Virtual Corset™ Instruction Manual :: MicroStrain® Inclinometer
Contents
1. To stop sampling e Click lt Data gt e Click lt Sample gt The check to the left of the menu item will disappear indicating sampling has stopped To save data to a file e Click lt Data gt e Click lt Save gt 41 MicroStrain Inc A common dialog box named Save As will appear You may create a new name for the data file in the File Name textbox and select a file type in the Save As Type textbox or you may select an existing file as the data file Click the Save button The common dialog will disappear A check will now appear to the left of the lt Save gt menu item indicating that a file is in place to receive data anytime sampling 1s active To stop saving data to a file Click lt Data gt Click lt Save gt The check to the left of the menu item will disappear indicating saving has stopped To tare untare X or Y axis Refer to the Tare section in the Virtual Corset User Manual before proceeding Click lt Data gt Click lt Sample gt The application will start sampling the Virtual Corset for X and Y angles and the lt Tare X gt and lt Tare Y gt buttons will be enabled The current tare of either angle is read out in the Tare frame By clicking lt Tare X gt or lt Untare X gt and or lt Tare Y gt and lt Untare Y gt the user can add or remove tare to the Virtual Corset To return to Main screen Click lt Data gt Click lt Return gt 42 MicroStrain Inc Calibrat2. To open a downloaded bin file Ensure that you have downloaded a data file from the Virtual Corset using the method described in the Download section elsewhere in this manual Click lt File gt Click lt Open gt An Open box will appear Select a downloaded File Name from any that appear in the list by clicking its icon or by typing its name in the File Name text box Click lt Open gt The file will be loaded into the graph and the first bin of data in the file will be displayed You may also click lt Cancel gt at this point to stop the transaction Using the Next and Previous buttons contained in the Scroll Data Bins frame on the right hand side of the screen scroll back and forth through each bin of data contained in the file Each click of the scroll buttons will advance or regress the 51 MicroStrain Inc pointer in the downloaded file and will display its X data in the upper graph and its Y data in the lower graph If you reach the end of the file a message box will appear to alert you To open a downloaded linear file Ensure that you have downloaded a data file from the Virtual Corset using the method described in the Download section elsewhere in this manual Click lt File gt Click lt Open gt An Open box will appear Select a downloaded File Name from any that appear in the list by clicking its icon or by typing its name in the File Name text box Click lt Open gt The file will be lo
3. Support section MicroStrain Inc 64 MicroStrain Inc Support Overview e MicroStrain is committed to providing timely knowledgeable world class support to its customers We are open 24 X 7 through our web portal We make every attempt to respond to your email the same business day We are always available by telephone during business hours We provide in depth FAQs manuals and technical notes Firmware and software upgrades are made available on line as they become available Code samples in several languages are posted to aid your development e We support our customers as we would want to be supported Web Our home page is at URL www microstrain com Our support page is at URL www microstrain com support aspx Email MicroStrain s Support Engineers make every attempt to respond to emails requesting product support within the same business day The more detail you can provide the quicker we will be able to understand your issues and find solutions Data files pictures screen grabs etc are all very helpful in generating a well thought out solution Please email us at support microstrain com Telephone MicroStrain s Support Engineers are available by phone Monday through Friday 9 00AM to 5 00PM local time When calling MicroStrain indicate to the receptionist that you are calling for product support and you will be promptly routed to a Support Engineer Please have your equipment ready to test Every attempt will
4. 61 MicroStrain Inc packages will be shipped to the customer via UPS Ground or any common carrier selected by MicroStrain with shipping charges prepaid Expedited shipping 1s available if shipping charges are prepaid by the customer and upon request v Return Merchandise 1s to be shipped to MicroStrain Inc at the address indicated below vi MicroStrain may reject or return any Product that is not packaged and shipped in strict compliance with the foregoing requirements or for which an RMA number is not visible from the outside of the package The Product owner agrees to pay MicroStrain s reasonable handling and return shipping charges for any Product that is not packaged and shipped in accordance with the foregoing requirements or that is determined by MicroStrain not to be defective or nonconforming 14 What Is Not Covered This limited warranty provided by MicroStrain does not cover Products if in MicroStrain s judgment have been subjected to abuse accident alteration modification tampering negligence misuse faulty installation lack of reasonable care repair or service in any way that is not contemplated in the documentation for the Product or if the model or serial number has been altered tampered with defaced or removed Initial installation installation and removal of the Product for repair and shipping costs Operational adjustments covered in the operating manual for the Product and normal maintenance Da
5. Click lt OK gt Calibration is now complete Exit the Virtual Corset Software Disconnect your adapter cable from the Virtual Corset and your PC PTOA awal ACTA TIN LATERAL Fle yE ED ie SG MTL PLANE EDAD 28 Diagram 5 MicroStrain Inc 29 MicroStrain Inc Power The Virtual Corset is powered by a replaceable AA battery The Virtual Corset is shipped with a Tadiran 3 6 Volt AA Lithium Battery Under normal conditions the battery should last approximately 600 hours Technical Data Typical values 25 C for batteries stored for one year or less Nominal capacity 2 mA to 2V 17 6g 0 62 oz Volume sd BC Operating temperature range 55 C to 85 C Certification U L Component Recognition MH 12193 Note Any presentations in this data sheet concerning performance are for information purpose only and are not construed as warranties either expressed or implied of future performance 30 MicroStrain Inc Connectors Cables The Virtual Corset is shipped with the RS 232 communication cable pictured below The bayonet end connects to the Virtual Corset and the DB 9 end connects to your PC Important Note This cable 1s used by several MicroStrain devices The power connector pigtail on the DB 9 end should never be powered when using the Virtual Corset The Virtual Corset receives its power from the battery inserted in the Virtual Corset
6. MicroStrain cannot provide credit for a return without confirming its receipt we recommend that you use a delivery service that can be tracked and or insured Normal turn around for RMA items is 7 days from receipt of item by MicroStrain 66 MicroStrain Inc 30 Day Return Policy All stock product orders from MicroStrain may be returned within 30 days for a full refund In order to return or exchange all or part of your order you must contact us for a Return Merchandise Authorization number RMA Call toll free 800 449 3878 to obtain an RMA from a MicroStrain representative All returned merchandise must be in the original packaging including manuals accessories cables etc with the authorization RMA clearly printed on the outside of the package Return requests must be made within 30 days of the receipt date All free items must be returned together with purchased items in order to receive a full refund Any shipping and or handling charges on the original order cannot be refunded At our discretion we may levee a restocking fee of 15 of the cost of items returned MicroStrain is not responsible for shipping costs or damage on returned items Units to be returned should be packed carefully Please be advised that packages sent by normal US Postal Service cannot be tracked to ensure delivery Since MicroStrain cannot provide credit for a return without confirming its receipt we recommend that you use a delivery service that
7. lt Cancel gt at this point to stop the transaction To return to Main screen e Click lt File gt Click lt Return gt 53 MicroStrain Inc Main The Main screen allows the user to navigate through all functions of the application including connect download and erase graph configuration launch angles accelerometers about and exit A MicroStrain Virtual Corset Main File Tools Display Help ZA MicroStrain Virtual Corset ss Start E E C A MicroStrain virtual Co To connect e Click lt File gt e Click lt Connect gt The Connect screen will appear To launch e Click lt Tools gt Click lt Launch gt A confirming message box will appear with a Yes No choice N B All data on board the Virtual Corset will be erased during launch Click lt Yes gt to proceed with launch Click lt No gt to cancel launch If lt Yes gt is clicked a message box will appear indicating the maximum duration of the session based on the Update Time Increment parameter on board the Virtual Corset Click lt OK gt e The application will issue the erase command and a message box will appear indicating that the user should disconnect the serial cable and begin the datalogging session Click lt OK gt and disconnect 54 MicroStrain Inc To configure e Click lt Tools gt e Click lt Configuration gt The Configuration screen will appear To download and erase e Click lt Tools gt e Click lt Downloa
8. or to manually select a serial port to communicate with the Virtual Corset MicroStrain Virtual Corset Main Y MicroStrain Virtual Corset Connect select Comm Port Auto Detect a Start A MicroStrain virtual Co To auto detect e Click lt Auto Detect gt The application will search for the Virtual Corset from comm to comm 16 e Ifthe Virtual Corset is found a message box will appear indicating that the Virtual Corset was found Click the message box lt OK gt The radio button of the comm port will automatically be selected e Click lt OK gt The application will read the Virtual Corset for certain on board parameters and if successful the Connect screen will disappear and the user may proceed with the application e If unsuccessful a message box will appear indicating that the Virtual Corset was not found on any comm port Click lt OK gt on the message box e Click lt OK gt A message box will appear indicating no comm port has been selected or a communication failure has occurred Click lt OK gt and troubleshoot the problem 47 MicroStrain Inc To manually select a serial port e Select the radio button of the comm port connected to the Virtual Corset e Click lt OK gt The application will read the Virtual Corset for certain on board parameters and if successful the Connect screen will disappear and the user may proceed with the application e If unsuc
9. If any provisions within these terms and conditions are found to be invalid by any court having competent jurisdiction the invalidity of such provisions shall not affect the validity of the remaining provisions of these terms and conditions which shall remain in full force and effect 2004 MicroStrain Inc All rights reserved The Products Software and Embedded Software may be protected by U S patents with other patents pending in the U S A and elsewhere MICROSTRAIN MICROSTRAIN and Logo DVRT AIFP STRAINLINK FAS G FAS E FAS A 3DM 3DM G 3DM GX1 MICRO SENSORS BIG IDEAS V LINK G LINK SG LINK TC LINK AGILE LINK STRAIN WIZARD and other marks indicated on our website and the logo forms of the foregoing marks are trademarks and or service marks of MicroStrain Inc and may be registered in the United States or in other jurisdictions including internationally MicroStrain Inc s trademarks service marks and trade dress may not be used in connection with any product or service that is not affiliated with MicroStrain Inc in any manner that is likely to cause confusion among customers or in any manner that disparages or discredits MicroStrain Inc All other trademarks not owned by MicroStrain Inc that appear on MicroStrain s website or in product literature or in manuals are the property of their respective owners who may or may not be affiliated with connected to or sponsored by MicroStrain Inc 63 Section 5
10. S TANS Or PCLT CG 5 occ E pd th E E 21 FUL CPS TATA PATAS e el neaoes 22 ELECTRICAL AND MECHANICAL SPECIFICATIONS AND DRAWINGS ssscccccccecesseeeccceeecauseeeccceeessaaaeeeees 24 Special ons 1 GDIC vais rani ol ae lab ei eee sla eer eae ata amet 24 COMMONCIE TVA WI 3 Siesta ls E o ea 23 FUN CON ALDO ELMO A A A E E E ar ee ae 26 CATIBRA TION Sater shee ces nce E A EE T A O 27 FOOT CONTRATO AA A A A ek acces Dane ee ae 21 CTD ATOM VDOT TMCS curettage oe Esa on ck tech gs tae ee elas nana A EN 2d PL CUE CONV OU OM AAA A A A a Male 28 POWER A A A A AS 30 CONNECTORS CABLE Sardina me 31 A A A sich a ma en eaten 32 MARKER BULION ult dde 33 FN Cl OS OBE ratita dada 34 SECTION Sii iii 35 E 36 standard OTT ea dde 36 SVS REGUIT CINCHIS td e a da a a 36 DO EWAN SUI OOM dd a de dae 36 SELENA COST A SOWAT OO CREMA OS AA 37 DATE OMIT COMONS AO A alain eee 56 SECTION Fos aia aa doi 57 TERMS AND CONDITIONS ri ic ic 58 SECTION lea emer ere ree rs Ste We A E A ER ANS A A 64 A a a a S E a ae Gece 65 PNE a a TSUN Ree RET Be eT SNE eR ee eee eet Re oe SNE Rec ee etey 66 SO TDA RETURN POLIC VA EST EAN TO EA IEA 67 MicroStrain Inc Section 1 Welcome section MicroStrain Inc Message from the President Steve Arms President and CEO MicroStrain Welcome to MicroStrain Inc We make tiny sensors that are used in a wide range of applications including knee implants civil structures advanced manufacturing unmanned military vehicles
11. The Virtual Corset comes calibrated from the factory and normally there 1s no requirement to calibrate the device in the field However if the need arises to calibrate the Virtual Corset in the field this can be accomplished as follows Place the Virtual Corset on your desktop in an upright position label facing away Connect the adapter cable to the Virtual Corset and to your PC Launch the Virtual Corset Software as you normally would Go to the Calibrate screen Click lt Data gt Click lt Sample gt A check will appear to the left of the menu item indicating sampling is in progress Slowly pickup the Virtual Corset maintaining its relative position to you Slowly rotate the device fully 360 degrees forward with the top of the device turning down and returning to its upright position Refer to diagram 5 to better understand the rotation axis Do the same maneuver again slowly Now slowly rotate the device fully 360 degrees laterally with the top of the device turning right and returning to its upright position Refer to diagram 5 to better understand the rotation axis Do the same maneuver again slowly Slowly place the device back on your desktop in the upright position first described Click lt Data gt Click lt Sample gt The check to the left of the menu item will disappear indicating that sampling has stopped Click lt Data gt Click lt Write gt A message box will appear indicating write has completed
12. and automobile engines Our sensors have won numerous awards and we pride ourselves on being both innovative and responsive to our customer s unique requirements MicroStrain is based in Williston Vermont and is a privately held corporation Founded in 1987 our early development focused on producing micro displacement sensors for strain measurement in biomechanics research applications Our first sensors were designed for arthroscopic implantation on human knee ligaments since then we expanded our product line through continual product improvement We introduced a broader line of micro displacement sensors that could withstand extreme temperatures hundreds of millions of cycles and complete submersion in saline The aerospace and automotive industry found our sensing systems met their requirements and we ve worked on many groundbreaking projects As our customer base expanded we continued to innovate by combining multiple sensors along with advanced micro controllers to enhance system performance We were one of the first sensor companies to add wireless capability so that low power miniature digital sensors could communicate easily with personal computers and send data to the internet Our inclinometer product line was initially developed to measure angles of limbs to help re animate the limbs of paralyzed individuals The tiny lightweight gyro enhanced orientation modules that resulted from this effort found immediate acceptance for navi
13. disclaimed 18 Force Majeure Except for the obligations to make payments neither party shall be bound to meet any obligation if prevented from doing so as a 62 MicroStrain Inc consequence of force majeure If a situation of force majeure lasts for more than ninety 90 days the Parties shall be entitled to terminate this Agreement by canceling it in writing without any rights to compensation of damages or refunds 19 No Assignment This License or the Software may not be assigned sublicensed leased sold or otherwise transferred without prior written consent from Sybari and any unauthorized transfer 1s null and void This license 1s personal to you and can be used for personal or internal business use only and may not be used on behalf of a client or customer 20 Notice All notifications and communications relating to this License shall be made by the parties to the other party in writing and shall be signed by a person duly authorized to provide such notice 21 Entire Agreement This agreement shall constitute the entire Agreement between buyer and MicroStrain and shall not be modified or rescinded except in writing signed by buyer and MicroStrain The provisions of this Agreement supersede and precede all prior oral and written quotations communications agreements and understandings of the parties Products and services rendered by MicroStrain are done so only in accordance with these Terms and Conditions of Sale
14. the Virtual Corset in space Let s assume we install Virtual Corsets on two different subjects and have them stand side by side in comfortable erect postures Theoretically as explained in the Understanding X and Y Angles section of this manual the X and Y angular readings coming from both subjects would be hovering around 0 degrees Let s further assume though that one of the subjects has a spinal defect which causes the subject to naturally hunch forward 5 degrees The FLEXION EXTENSION BENDING angle would then in this case be hovering around 5 degrees If we choose we can remove this hunch from the data equations by employing TARE Tare works by initially capturing the X and or Y angles of a static subject calculating the difference between those angles and 0 degrees and from then on continuously applies the resultant offsets to angles generated by the Virtual Corset In order to tare a subject follow these steps e Install the Virtual Corset on the subject Connect the adapter cable to the subject s Virtual Corset and to your PC Launch the Virtual Corset software as you normally would Go to the Tare screen Click lt Tare X gt The Virtual Corset will now compensate for X tare Click lt Tare Y gt The Virtual Corset will now compensate for Y tare Exit the Virtual Corset software Remove the adapter cable from the subject Tare will now automatically by applied to the X and or Y angles
15. 20 MicroStrain Inc Understanding Other Features Shaker The Virtual Corset carries an on board vibrator just like a pager that can be enabled and disabled by the user The user may also set a range of motion for both the X angle and the Y angle beyond which the subject will feel the vibration See the Help Manual for Virtual Corset software for procedure to set the shaker Battery The Virtual Corset is powered by an extended life battery The battery also acts as an ON OFF switch The moment that the battery is inserted into the Virtual Corset data will be continuously logged If the battery is removed the Virtual Corset stops logging data Please also be aware that every time the battery is removed and re inserted the Virtual Corset will begin logging data where it left off and therefore will not overwrite any data previously logged Note The battery must be installed in order to communicate with the Virtual Corset software Non volatile memory available for data logging The Virtual Corset contains 2048 pages of data storage Each page can contain up to 264 datapoints depending on whether the device is in bin or linear mode Ifa session continues to a point where all of the pages are used up the Virtual Corset will stop writing data even though the battery is installed and will not overwrite any data already written Please plan the duration of your session with this in mind when you set th
16. 4 unique datapoints If X angles are being logged each page contains 264 consecutive X angle datapoints If Y angles are being logged each page contains 264 consecutive Y angle datapoints If X and Y angles are being logged each page contains 132 X angle datapoints and 132 Y angle datapoints The datapoints alternate so that point 1 is an X angle point 2 is a Y angle point 3 is X point 4 1s Y and so forth Linear mode does not have a programmable sample rate The sample rate is fixed on board the Virtual Corset As is the case in Bin mode Linear mode continues to log data until the Virtual Corset is turned off or the memory capacity is reached Once again the data and programming parameters are saved in non volatile memory and will not be lost in the event of power down or low battery capacity 16 MicroStrain Inc Understanding X and Y Angles As you now seen the Virtual Corset software presents you with angular data generically termed X and Y X is the angle developed by what we term LATERAL BENDING If the person shown in picture bends his trunk laterally to his left side the X angle will be reported as a positive angle 1 e 10 degrees 20 degrees etc If the person bends his trunk laterally to his right side the X angle will be reported as a negative angle 1 e 10 degrees 20 degrees etc Y is the angle developed by what we term FLEXION EXTENSION BENDING If the person shown in pict
17. AUSE A FALSE ALARM OR FALSE READING FROM MICROSTRAIN S PRODUCTS AND THAT MICROSTRAIN DOES NOT WARRANT AGAINST SUCH FALSE RESULTS 9 Limited Software Warranty MicroStrain warrants that the software portion of the Product Software where applicable will substantially conform to MicroStrain s then current functional specifications for the Software as set forth in the applicable documentation from the date of original retail purchase of the Software for a period of ninety 90 days Software Warranty Period provided that the Software 1s properly installed on approved hardware and operated as contemplated in its documentation MicroStrain further warrants that during the Software Warranty Period the magnetic media on which MicroStrain delivers the Software will be free of physical defects MicroStrain s sole obligation shall be to replace the non conforming Software or defective media with software that substantially conforms to MicroStrain s functional specifications for the Software or to refund at MicroStrain s sole discretion Except as otherwise agreed by MicroStrain in writing the replacement Software is provided only to the original licensee and is subject to the terms and conditions of the license granted by MicroStrain for the Software Software will be warranted for the remainder of the original Software Warranty Period from the date or original purchase If a material non conformance is inca
18. In case the return policy period has expired and the Product 1s within warranty the customer shall submit a claim to MicroStrain as follows 1 The customer must submit with the Product as part of the claim a written description of the Hardware defect or Software nonconformance in sufficient detail to allow MicroStrain to confirm the same 11 The original Product owner must obtain a Return Material Authorization RMA number from MicroStrain and if requested by MicroStrain provide written proof of purchase of the Product such as a copy of the dated purchase invoice for the Product before the warranty service is provided 111 After an RMA number is issued the defective Product must be packaged securely in the original or other suitable shipping package to ensure that 1t will not be damaged in transit and the RMA number must be prominently marked on the outside of the package Do not include any manuals or accessories in the shipping package MicroStrain will only replace the defective portion of the Product and will not ship back any accessories 1v The customer is responsible for all in bound shipping charges to MicroStrain No Cash on Delivery COD is allowed Products sent COD will either be rejected by MicroStrain or become the property of MicroStrain Products shall be fully insured by the customer MicroStrain will not be held responsible for any packages that are lost in transit to MicroStrain The repaired or replaced
19. RE PARTS OR REPLACEMENT PARTS AND SPARE KITS FOR A PERIOD OF NINETY 90 DAYS WHICH ARE MANUFACTURED BY MICROSTRAIN SHALL BE FREE FROM MATERIAL DEFECTS IN WORKMANSHIP AND MATERIALS FROM THE DATE OF DELIVERY TO THE CUSTOMER THIS WARRANTY EXTENDS ONLY TO THE ORIGINAL CUSTOMER OF MICROSTRAIN AND IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED WHETHER OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR USE AND OF ALL OTHER OBLIGATIONS AND LIABILITIES OF ANY KIND OR CHARACTER WHICH MAY OTHERWISE APPLY EXCEPT FOR THE WARRANTY DESCRIBED HEREIN MICROSTRAIN EXPRESSLY DISCLAIMS ALL WARRANTIES OF MERCHANTABILITY OF THE GOODS OR OF FITNESS FOR ANY PURPOSE THERE ARE NO OTHER WARRANTIES EXPRESS OR IMPLIED EXCEPT THOSE SPECIFICALLY PROVIDED FOR HEREIN BY ACCEPTING THE PRODUCTS FROM MICROSTRAIN THE BUYER ACKNOWLEDGES AND AGREES i THAT THE INHERENT VALUE OF THE PRODUCTS ARE UNRELATED TO THE VALUE OR 59 MicroStrain Inc COST OF ANY PROPERTY IN CONNECTION WITH WHICH THE PRODUCTS MAY BE USED AND THAT MICROSTRAIN MAKES NO WARRANTY THAT THE PRODUCTS WILL AVERT DETECT OR PREVENT OCCURRENCES OR THE CONSEQUENCES THEREFROM WHICH THE PRODUCTS ARE DESIGNED TO DETECT OR AVERT OR THAT THE PRODUCTS MAY NOT BE COMPROMISED DISABLED OR CIRCUMVENTED 11 THAT MICROSTRAIN HAS MADE NO CONTRARY REPRESENTATIONS OR WARRANTIES OF ANY KIND EXPRESS OR IMPLIED TO OR FOR THE BENEFIT OF CUSTOMER and 111 THAT ANY NUMBER OF CAUSES MAY C
20. TZ 11111 j DEl Tn C MICROSTRAIN INC 1998 ALL RIGHTS RESERVED THIS DRAWING AND SPECIFICATIONS ARE THE PROPERTY OF MICROSTRAIN INC AND SHALL NOT BE REPRODUCED WITHOUT PERMISSION FROM MICROSTRAIN INC A U m 1 PIN GREEN PIN 1 BLACK PIN 3 NOTES UNLESS OTHERWISE SPECIFIED ALL 1 1 1 DB9 FEMALE CONNECTOR P N 209F ND AND SHELL P N DIMENSIONS ARE IN INCHES 3 310 Hurricane Lane Suite 4 909GM ND TOLERANCES UOS P Micro Strain Williston VT 05495 2 COONER WIRE CABLE P N NMUF4 30 4046SJ be OA 802 862 6629 3 LEMO CONNECTOR P N FGG 00 304 CLAD27Z as ee ITLE 4 CUI JACK P N PJ 005A ANGLES 0 5 DEGREES SURFACE FINISH 63 MICROINCHES 3DM GX 1 CABLE DRAWN BY SIZE CAGE CODE DWG NO REV Steven Mundell A OXYZO 400 5 00 l 3 C ZN Lo APPROVED BY z A od ke g SCALE 1 1 0 DEC 2001 sHeeT OF 1 Diagram 6 31 MicroStrain Inc LEDs The Virtual Corset circuit board contains two surface mounted LEDs The LED s are highlighted in the picture below The LED on the right is functional and should be blinking about 2 times a second anytime the Virtual Corset is powered This is primarily a heartbeat LED meaning the device is operating The LED on the left has no current implemented function Picture 3 32 MicroStrain Inc Ma
21. Version 3 2 3 W4 MicroStrain Virtual Corset Manual MicroStrain Inc 2005 by MicroStrain Inc 310 Hurricane Lane Suite 4 Williston VT 05495 Phone 802 862 6629 Fax 802 863 4093 www microstrain com support microstrain com REVISED 15 May 2005 FIRMWARE 1 310 and higher Information in this document is subject to change without notice and does not represent a commitment on the part of MicroStrain Inc While MicroStrain Inc makes every effort as to the accurateness of this manual 1t assumes no responsibility for errors or omissions MicroStrain Inc Table of Contents SECTION Voip ASA AS TEARS AAA OO rrr errr 4 MESSAGE FROM THE PRESIDENT io Oat DES oe cecal 5 MESSAGE FROM THE VP OPERATIONS ccccecccccsscccsccesccscccsccesccseccsscescsseccssceccsseccsscescsscecsscescssecossaecessccees 6 SECTION Zaid 7 BRIEF PRODUC DESCRIPTION droits 8 PRODUCE LAR TER ITA ta rote a ocios nee een ere 9 PRODUCTO ION e 10 PRODUCT ASSEMBLY INSTALLATION AND SET UP ooooccnnnccnnnccnnnoccnnorononccnnncononocononccnnnccnnnoccnnaronanccnanicnnnos 1 LA A A AEA E AE A E 11 OA O ia EE a ad aia adas 12 OUR STAR Toia a a a di 13 DETAILED PRODUCT DESCRIPTION sce see ie E E E EEE ni eae en ees 15 Operational OVEnMIe Wi reales topless 15 DIU VLOGS AEE cress shape i on a e ls 15 LC VIO dE a ed le di ed ltda 16 Understandinea Land Y ANO TOS dd ld edi lll a as 17 Understandine Bin Update TIME td added nel lol 18 A O E E EET 20 LCP
22. aded into the graph and the entire session will be displayed You may also click lt Cancel gt at this point to stop the transaction To return to Main screen Click lt File gt Click lt Return gt 52 MicroStrain Inc Graph Button Pushes From Main screen click lt Tools gt click lt Graph Button Pushes gt The Graph Button Pushes screen allows the user to visualize linear Virtual Corset datalogging sessions with a red X applied wherever the Marker Button was pushed during the session A linear download will graph the entire session to the screen A MicroStrain Virtual Corset Graph Button Pushes File Data File C Documents and Settings Administrator Desktop B Projects irtual Corset er3234 B eta Data Files test myc Mumber lt Scrall gt Point k 0 F lt gt Show All l l l s000 25000 90000 p F re tg Start A MicroStrain Virtual Co RNE z 6 43 PM To open a downloaded linear file e Ensure that you have downloaded a data file from the Virtual Corset using the method described in the Download section elsewhere in this manual e Click lt File gt e Click lt Open gt e An Open box will appear Select a downloaded File Name from any that appear in the list by clicking its icon or by typing its name in the File Name text box e Click lt Open gt The file will be loaded into the graph and the entire session will be displayed e You may also click
23. antially equivalent or superior in all material respects to the defective Hardware Repaired or replacement Hardware will be warranted for the remainder of the original Warranty Period from the date of original purchase If a material defect is incapable of correction or if MicroStrain determines in its sole discretion that it is not practical to repair or replace the defective Hardware the price paid by the original purchaser for the defective Hardware will be refunded by MicroStrain upon return to MicroStrain of the defective Hardware All Hardware or part thereof that is replaced by MicroStrain or for which the purchase price 1s refunded shall become the property of MicroStrain upon replacement or refund 12 Non Applicability of Warranty The Limited Warranty provided hereunder for hardware and software of MicroStrain s Products will not be applied to and does not cover any refurbished product and any Product purchased through an inventory clearance or liquidation sale or other sales in which MicroStrain the sellers or the liquidators expressly disclaim their warranty obligation pertaining to the Product and in that case the Product is being sold As Is without any warranty whatsoever including without limitation the Limited Warranty as described herein notwithstanding anything stated herein to the contrary 13 Submitting A Claim The customer shall return the Product to the original purchase point based on its return policy
24. be made to solve issues while you are on the line 1 800 449 DVRT 3878 Toll Free 1 802 862 6629 telephone 1 802 863 4093 fax Local time GMT 05 00 Eastern Time US amp Canada 65 MicroStrain Inc RMA Warranty Return As described in our 1 Year Warranty contained in the Terms and Conditions stated elsewhere in this manual MicroStrain will incur for its own account any cost to repair replace a MicroStrain product covered under the warranty Non warranty Return All non warranty repairs replacements will receive a minimum charge The minimum charge for wireless products is US 150 00 The minimum charge for displacement and orientation products is US 75 00 If the repair replacement charge exceeds the minimum the minimum is folded into the total repair replacement cost General Instructions In order to return any MicroStrain product you must contact us for a Return Merchandise Authorization number RMA Call toll free 800 449 3878 to obtain an RMA from a MicroStrain representative All returned merchandise must be in the original packaging including manuals accessories cables etc with the authorization RMA clearly printed on the outside of the package MicroStrain is not responsible for shipping costs from and to the customer or damage on returned items Units to be returned should be packed carefully Please be advised that packages sent by normal US Postal Service cannot be tracked to ensure delivery Since
25. can be tracked and or insured A 30 Day Return must be initiated by receiving an RMA from MicroStrain 67
26. cessful a message box will appear indicating that a communication failure has occurred Click lt OK gt and troubleshoot the problem 48 MicroStrain Inc Download and Erase From Main screen click lt Tools gt click lt Download and Erase gt A MicroStrain Virtual Corset Download Data Downloading page 117 O Hode Channels Timer Advance Buffer Len Linear 3 122 bd RG A 445 PM S ta Start Beta PC AL MicroStrain virtual Co To download the data on the Virtual Corset e Click lt Data gt e Click lt Get Download Parameters gt The application will retrieve certain parameters on board the Virtual Corset e If successful a message box will appear indicating that the parameters have been retrieved Click lt OK gt Click lt Data gt Click lt Save gt A common dialog box named Save As will appear You may create a new name for the data file in the File Name textbox and select a file type in the Save As Type textbox or you may select an existing file as the data file Click the Save button The common dialog will disappear e Acheck will now appear to the left of the lt Save gt menu item indicating that a file is in place to receive data download e Click lt Data gt e Click lt Download gt 49 MicroStrain Inc The application will proceed to download all data in the Virtual Corset M into the data file When the download is complete a message box will appear indicating downl
27. d and Erase gt The Download and Erase screen will appear To graph e Click lt Tools gt e Click lt Graph gt The Graph screen will appear To sample accelerometers e Click lt Display gt e Click lt Accelerometers gt The Accelerometers screen will appear To sample angles e Click lt Display gt e Click lt Angles gt The Angles screen will appear To view About e Click lt Help gt e Click lt About gt The About screen will appear To exit the application e Click lt File gt e Click lt Exit gt The application will terminate 55 MicroStrain Inc Data Communications Protocol MicroStrain does not normally provide Data Communications Protocol documentation with the Virtual Corset However customers and or developers wishing to customize the Virtual Corset are encouraged to contact MicroStrain sales engineers with their interest 56 Section 4 Terms and Conditions section MicroStrain Inc 57 MicroStrain Inc Terms and Conditions 1 Acceptance of MicroStrain Inc s Terms and Conditions By placing an order with MicroStrain Inc MicroStrain Buyer agrees to be bound by these Terms and Conditions of Sale and Software License if applicable MicroStrain will not be bound by any of other terms and conditions regardless of whether Buyer tenders terms and conditions with an order or otherwise and these terms and condition of sale prevail over any conflicting or additio
28. damaged please immediately contact MicroStrain Support at the location given elsewhere in this manual V CORSET M 1 RS 232 Communication Cable 3DM GX1 CBL 22 13 6 Volt Lithium Battery TL 5903 1 CDcontaining Software and User Manual CD V CORSET The Virtual Corset also can be purchased as a demo kit The demo contains the following items Part Number V CORSET M RS 232 Communication Cable 3DM GX1 CBL 3 6 Volt Lithium Battery TL 5903 CD containing Software and User Manual CD V CORSET MicroStrain Inc Product Options Several product options and replacement parts are available for the Virtual Corset V CORSET M RS 232 Communication Cable 3DM GX1 CBL 3 6 Volt Lithium Battery TL 5903 Virtual Corset Link Cable link 2 VCs V CORSET LINK Custom Engineering MicroStrain offers specialized engineering on all its standard products MicroStrain has a full compliment of engineers with many years of experience in physics electronics software and mechanical design MicroStrain will be happy to discuss your further customization of this product 10 MicroStrain Inc Product Assembly Installation and Set Up Hardware It is suggested that you initially layout the Virtual Corset on your desktop before you proceed with use of the device in your specific structure or environment This will insure that all components hardware and software are working correctly Please follow these steps to complete initial lay
29. date Time to 2 meaning 2 minutes and we have 1024 bins available and each 2 minutes consumes bin for X angles and bin for Y angles then we can have a Virtual Corset session that lasts 2048 pages 2 bins 60 minutes per hour 2 17 hours 18 MicroStrain Inc If we set the Update Time to 3 meaning 3 minutes and we have 1024 bins available and each 2 minutes consumes 1 bin for X angles and 1 bin for Y angles then we can have a Virtual Corset session that lasts 2048 pages 2 bins 60 minutes per hour 3 25 6 hours If we set the Update Time to 60 meaning 60 minutes and we have 1024 bins available and each 2 minutes consumes bin for X angles and bin for Y angles then we can have a Virtual Corset session that lasts 2048 pages 2 bins 60 minutes per hour 60 512 hours Now we finally need to understand resolution If we collect data generated by our subject on a minute by minute basis by setting the Update Time to 1 we will have a sharper view of his activities but we can only gather for about 8 hours before datalogging stops If we collect data generated by our subject over an 8 day period by setting the Update Time to 60 we will be able to gather for many days but we won t have as sharp a view of his activities 19 MicroStrain Inc Tare The Virtual Corset allows the user to account for variations in a subject s posture and or anatomy by zeroing the relative position of
30. e Update Time parameter on the Parameter screen in the Virtual Corset Software Sample Session Here are the general steps one might follow to conduct a Virtual Corset session e Install the Virtual Corset on a subject Connect the Virtual Corset to the PC Launch the Virtual Corset Software Erase stored inclinometer data Tare the subject Set the Update Time Exit the software Disconnect the cable from the Virtual Corset Allow the subject to go about his activities for the specified duration Retrieve the Virtual Corset from the subject at the appropriate point Connect the Virtual Corset to the PC Launch the Virtual Corset Software Download the data file from the Virtual Corset View the data in the software s graphing function 21 MicroStrain Inc Understanding Parameters The Virtual Corset allows the user to read the settable parameters of the Virtual Corset view the default settable parameters program the settable parameters enable disable the tare function enable disable the shaker function etc The use of each of these parameters 1s explained below Please also refer to the Configuration screen in the Software section for further details X Offset Value represents a calibrated offset to the X accelerometer It is recommended that you use the Calibration function to set this value not manual input Y Offset Value represents a calibrated offset to the Y acceler
31. e Connect screen will appear Click lt Auto Detect gt The application will poll each of the available serial ports on your computer and find any Virtual Corset that is connected to the computer e Ifa Virtual Corset is located a message box will appear indicating a Virtual Corset has been found on a particular port Click lt OK gt to close the message box and set the radio button of the found Comm Port e Ifa Virtual Corset is not located a message box will appear indicating that no device was detected Click lt OK gt to close the message box Check your adapter cable connections your serial port your battery or anything else that might be impeding communications After checking these items run Auto Detect again e After a successful Auto Detect click the lt OK gt button on the Connect screen and you will be returned to the Main screen Step 3 Test Sample Angles Go to Main screen Click lt Display gt Click lt Angles gt The Angles screen will appear Click lt Data gt Click lt Sample gt A check will appear to the left of the menu item The X and Y angles will begin continuous display in the text boxes and on the aircraft dials Click lt Data gt e Click lt Sample gt The check will disappear from the left of the menu item and sampling will stop 13 MicroStrain Inc Congratulations You re off and running Refer to the Software section of this manual to discover all the functions t
32. ed to you by us shall be F O B our distribution center with risk of loss passing to you upon our delivery of the Products to a common carrier MicroStrain will arrange payment for shipping and insurance with the carrier but such costs are the responsibility of Buyer Delivery times quoted are estimates only and MicroStrain shall not be liable for delays in delivery 5 Acceptance amp Returns Shipments shall be deemed to have been accepted by the buyer upon receipt of shipment Any discrepancy in shipment quantity must be reported within five 5 days of receipt of shipment Buyer may return Products for any reason within thirty 30 days of the date of shipping from MicroStrain To qualify for credit or refund excluding shipping duties or taxes Buyer must contact MicroStrain for a Return Merchandise Authorization RMA All Product returns shall comply with MicroStrain s Return Merchandise Authorization RMA policies Custom Products and modifications of standard Products are not eligible for return 58 MicroStrain Inc 6 Export Regulations Products sold may be exported from the United States of America only in accordance with US Export Administration Regulations and diversion contrary to US law is prohibited Buyer acknowledges that it 1s eligible to receive Products under US law and agrees to abide by all export or re export restrictions 7 Software License The following terms and conditions are applicable to either M
33. ees lateral bending axis 360 degrees flexion extension axis Bin angle increment Programmable parameters Bin frequency sample rate Bin save interval data segment Alarm threshold inclination angle Memory storage capacity 75 days with 1Hz bin frequency 1 hour bin save interval 24 Component Drawing Diagram 3 MicroStrain Inc U7 SHAKER MOTOR BATTERY 25 Functional Block Diagram Triaxial accelerometers EEPROM Sensor calibration coefficients and digital filter parameters Sensor signal Microprocessor with embedded conditioners software algorithms to calculate multiplexer and 10 bit flexion and extension pitch and A D roll Shaker to provide proprioceptive feedback Computer or host system Diagram 4 MicroStrain Inc 26 MicroStrain Inc Calibration Factory Calibration The Virtual Corset is calibrated in the factory using internally designed calibration techniques and equipment Normally there is no need to calibrate the device in the field Calibration Documents Each Virtual Corset 1s shipped with its own set of calibration documents which detail the state of the device as it left the factory These documents can be useful to return the device to its original state if the calibration values are changed either through field calibration or some other event Please contact MicroStrain support in such cases 27 MicroStrain Inc Field Calibration
34. gation amp control of unmanned systems in military and exploratory robotics applications Sensors are literally changing our world we re inspired to work with our customers to introduce advanced sensing technology that will enable the next generation of smarter and safer machines civil structures and implanted devices Thank you for purchasing a MicroStrain sensor MicroStrain Inc Message from the VP Operations Steve Mundell VP Operations MicroStrain MicroStrain operates a state of the art design and manufacturing facility in Williston Vermont USA MicroStrain employs skilled engineers and manufacturing personnel who have a commitment to Quality and Customer Service MicroStrain operates its manufacturing facility in compliance with the International Organization for Standardization ISO 9000 standard ISO 9000 1s a mandate for quality management to fulfill the customer s quality requirements and applicable regulatory requirements while aiming to enhance customer satisfaction and achieve continual improvement of its performance in pursuit of these objectives MicroStrain builds its sensors from the ground up Every sensor is engineered in house using sophisticated CAD and FEA software These designs are tested and manufactured using multiple environmental chambers and modern fabrication techniques After assembly each sensor is inspected using high powered microscopes and calibrated using our internally designed calibra
35. hat Virtual Corset software provides You are also welcomed to contact our technical support staff on any matter see Support section of this manual It is highly recommended that you read on through the following sections in this manual before you apply the Virtual Corset to your particular needs Bin Mode Linear Mode Understanding X and Y Angles Understanding Update Time Tare Understanding Other Features Sample Session Understanding Parameters 14 MicroStrain Inc Detailed Product Description Operational Overview The Virtual Corset provides biofeedback to enhance one s awareness of their trunk inclination while simultaneously logging inclination data for future interpretation The Virtual Corset operates in either of two data logging modes Bin or Linear Bin Mode E Ze E i lho wee som Data are logged as histograms each histograms sum represents the total count of trunk inclination angles measured at the programmed sample rate binning frequency Binned data are very useful in reducing the datalogger s requisite memory once collected these histogram data are easily downloaded over the serial port for analysis The Virtual Corset logs inclination in 1 degree increments factory set over 180 in the flexion extension axis and 70 degrees on the lateral bending axis The sample rate for data collection 1s termed the binning frequency as data 1s collected the unit builds a histogram of i
36. icroStrain software delivered with a Product the software portion of the Product Software or software which is embedded in a Product Embedded Software MicroStrain grants to Buyer a non exclusive paid up license to use one copy of the Software on one computer subject to the following provisions Except as otherwise provided in this Software License applicable copyright laws shall apply to the Software and Embedded Software Title to the medium on which the Software 1s recorded or stored is transferred to Buyer but not title to the Software or the Embedded Software Buyer may use Software on a multi user or network system only if either the Software is expressly labeled to be for use on a multi user or network system or one copy of the Software is purchased for each node or terminal on which Software is to be used simultaneously Buyer shall not use make manufacture or reproduce copies of Software or Embedded Software Buyer may use a copy of the Software on one computer and is permitted to make additional copies of the Software only for backup or archival purposes Customer 1s expressly prohibited from disassembling or reverse engineering the Software or Embedded Software All copyright notices shall be retained on all copies of the Software and Embedded Software 8 Limited Warranty MICROSTRAIN WARRANTS i ALL PRODUCTS EXCEPT SPARE PARTS OR REPLACEMENT PARTS AND SPARE KITS FOR A PERIOD OF ONE 1 YEAR AND ii ALL SPA
37. ion From Main screen click lt Tools gt click lt Calibrate gt The Calibration screen allows the user to calibrate the Virtual Corset M in the field Please refer to the Field Calibration section of this manual for a step by step instruction MicroStrain Virtual Corset Calibrate Data Accelerometers Current Bits Min Bitz Max Bits Offset Ace X les 839 a68 853 5 AccY 556 1619 1656 637 5 AccZ sog os 1542 525 5 Write Progress c a ts Start ar Beta jo AL MicroStrain Virtual Co i 12M w 45 PM To start sampling e Click lt Data gt e Click lt Sample gt A check will occur to the left of the menu item indicating sampling is in progress e A message box will appear indicating the shaker will be disabled prior to the start of sampling Click lt OK gt e The application will start sampling the Virtual Corset and will display its X Y and Z accelerometer bits Each accelerometer s lowest and highest output bits will be captured and gains and offsets will be automatically calculated To stop sampling e Click lt Data gt e Click lt Sample gt The check to the left of the menu item will disappear indicating sampling has stopped 43 MicroStrain Inc To write calibration to Virtual Corset EEPROM e Click lt Data gt e Click lt Write gt The calibration gains and offsets will be written to EEPROM e A message box will appear indicating that the write was completed Clic
38. k lt OK gt To return to Main screen e Click lt File gt e Click lt Return gt 44 MicroStrain Inc Configuration From Main screen click lt Tools gt click lt Configuration gt The Configuration screen allows the user to read the settable parameters on board the Virtual Corset view the default minimum maximum settable parameters and write the settable parameters to the Virtual Corset MicroStrain Virtual Corset Configuration Fie Tools EEPROM Address Value Parameter Progress 2 3 531 Offset 4 5 524 Y Offset 647 512 Z Offset 7 A rae a ale me Incremen 8 9 5 XGain P EEPROM Address Yalue Parameter En aa Y Gain 31 i Averages al eg 2 Gain 32 o Shaker Enable l m Tare zj Lue Y Tare are Enable E EN X Low Alam 4 i Bin 0 Linear 1 Mode E 43 Linear Channels f or X High Alarm 7 5 Hz Linear Update Rate 450 eow Alam 15 Hz Linear Update Rate f Y High Alarm iag DACI J502 DAC2 Iq77 DAC3 i2 DACA pa MicroStrain Virtual Co To read parameters e Click lt File gt e Click lt Read gt The application will read the Virtual Corset and display a message box indicating the read has completed Click lt OK gt e The current parameters on board the Virtual Corset will be displayed in the various value scroll boxes on the screen To view default parameters e Click lt Tools gt e Click lt Show Defaul
39. k lt Save gt e A common dialog box named Save As will appear e You may create a new name for the data file in the File Name textbox and select a file type in the Save As Type textbox or you may select an existing file as the data file Click the Save button The common dialog will disappear e Acheck will now appear to the left of the lt Save gt menu item indicating that a file is in place to receive data anytime sampling 1s active To stop saving data to a file e Click lt Data gt e Click lt Save gt The check to the left of the menu item will disappear indicating saving has stopped To return to Main screen e Click lt Data gt e Click lt Return gt 40 MicroStrain Inc Angles From Main screen click lt Display gt click lt Angles gt The Angles screen allows the user to visualize an X and Y angles sampling session The screen allows the user to start a session record a session and stop a session A MicroStrain Virtual Corset Angles Data Angles A Axis 03 00 Y Axis bes Tare 2 AXIS F Y xis F Untare Untare Y Raw ord X Axis EN Y Axis 18307 i te Start mr Beta WE A MicroStrain virtual Co ii Jes ea 4 42PM To start sampling e Click lt Data gt e Click lt Sample gt A check will occur to the left of the menu item indicating sampling is in progress e The application will start sampling the Virtual Corset and will display its X and Y angles
40. l Corset software from the Virtual Corset CD onto your hard drive you cannot run the program from the CD Please follow the on screen installation instructions For more detailed information see the Readme file on the CD 36 MicroStrain Inc Virtual Corset Software This section provides step by step instructions for each screen in the Virtual Corset software For ease of reference this section is laid out by the screen name that you see above the menu bar in the software Screens include e About Accelerometers Angles Calibrate Configuration Connect Download and Erase Graph Graph Button Pushes Main A MicroStrain Virtual Corset Main File Tools Display Help ZA MicroStrain Virtual Corset A MicroStrain virtual Co z if 3 Ll w 4 41 PM 37 MicroStrain Inc About From Main screen click lt Help gt click lt About gt The About screen is for information purposes only and relates 1 the software name and version 2 the copyright and 3 the company name address email web site and telephone A MicroStrain Virtual Corset Main o Belg Wirt Virtual Corset Software Yersion 3 2 3 Beta Copyright 2003 by MicroStrain Inc 310 Hurricane Lane Williston YT 05495 USA supportiaimicrostrain com Www microstrain com Phone 602 862 6629 Warming This computer program is protected by copyright law and international treaties Unauthorized reproduction or distributi
41. lways remember to keep the X Alarm Low value lower than this value Y Low Alarm Value represents the low value in degrees of the Y angle beyond which the shaker will trigger Always remember to keep the Y Alarm High value higher than this value Y High Alarm Value represents the high value in degrees of the Y angle beyond which the shaker will trigger Always remember to keep the Y Alarm Low value lower than this value 22 MicroStrain Inc Enables or disables shaker function Filter Level Value sets the low pass filtering on board the Virtual Corset M the higher the value the more the filtering Tare Enable Enables or disables tare function Bin Linear Mode Value represents the mode in which the Virtual Corset operates and saves data 0 Linear 1 Bin Linear Channels Value represents number of channels activated during Linear operation of the Virtual Corset 1 X angle 2 Y angle 3 X and Y angles 23 MicroStrain Inc Electrical and Mechanical Specifications and Drawings Specifications Table Enclosure pager type 67mm long 50mm wide 20mm thick Total weight including battery High energy lithium 3 6 volts AA size 3 6 volts approx 900 microamps total Memory capacity type 1 MB non volatile electrically erasable programmable read write Serial computer interface RS 232 19200 Baud Rate Alarm Silent vibrating programmable trunk inclination angle on and off 70 degr
42. mage that occurs in shipment due to act of God failures due to power surge and cosmetic damage Any hardware software firmware or other products or services provided by anyone other than MicroStrain or Products that have been purchased from inventory clearance or liquidation sales or other sales in which MicroStrain the sellers or the liquidators expressly disclaim their warranty obligation pertaining to the Product Repair by anyone other than MicroStrain will void this Warranty 15 Copyright Statement No part of this publication or documentation accompanying this Product may be reproduced in any form or by any means or used to make any derivative such as translation transformation or adaptation without permission from MicroStrain as stipulated by the United States Copyright Act of 1976 as amended Contents are subject to change without prior notice Copyright 2004 by MicroStrain Inc All rights reserved 16 Choice of Law These terms and any agreement between MicroStrain and buyer shall be interpreted in accordance with the laws of the State of Vermont USA but with regard to its choice of law provisions Any action to enforce any such terms shall be in the courts of Chittenden County Vermont Any legal action between MicroStrain and buyer shall be decided by a court acting without a jury 17 Disclaimer of U N Sale of Goods The United Nations Convention on Contracts for the International Sale of Goods is specifically
43. minute we are setting the Virtual Corset to gather 60 seconds 1 minute X 4 samples per second 240 samples per bin for the X angle bin and the same 60 seconds 1 minute X 4 samples per second 240 samples per bin for the Y angle bin If we set the Update Time to 2 meaning 2 minutes we are setting the Virtual Corset to gather 120 seconds 2 minutes X 4 samples per second 480 samples per bin for the X angle bin and the same 120 seconds 2 minutes X 4 samples per second 480 samples per bin for the Y angle bin If we set the Update Time to 3 meaning 3 minutes we are setting the Virtual Corset to gather 180 seconds 3 minutes X 4 samples per second 720 samples per bin for the X angle bin and the same 180 seconds 3 minutes X 4 samples per second 720 samples per bin for the Y angle bin If we set the Update Time to 60 meaning 60 minutes we are setting the Virtual Corset to gather 3600 seconds 60 minutes X 4 samples per second 14400 samples per bin for the X angle bin and the same 3600 seconds 60 minutes X 4 samples per second 14400 samples per bin for the Y angle bin Now we need to understand bin consumption by example If we set the Update Time to 1 meaning 1 minute and we have 1024 bins available and each minute consumes 1 bin for X angles and 1 bin for Y angles then we can have a Virtual Corset M session that lasts 2048 pages 2 bins 60 minutes per hour 8 5 hours If we set the Up
44. nal terms of any quote order previous agreement acknowledgment or similar communications between the parties These Terms and Conditions supersedes all prior or contemporaneous oral or written communications proposals and representations with respect to its subject matter The term Products includes collectively all physical products Software and Embedded Software as defined herein 2 Pricing All prices are quoted in US dollars unless otherwise explicitly stated and are valid for ninety 90 days You shall be responsible for the payment of all shipping charges costs of freight taxes import fees insurance duties value added taxes and the like Our minimum order is one hundred 100 00 dollars excluding all additional charges including shipping taxes and the like 3 Payment Payment shall be made in advance in U S dollars by credit card bank draft or letter of credit unless otherwise agreed in writing by MicroStrain At the sole discretion of MicroStrain credit terms of net 30 days up to a pre approved limit may be offered to buyer A late payment charge of one and a half 1 5 percent per month or the maximum percentage rate permitted by law if lower shall be charged on all past due balances Buyer agrees to pay all costs incurred by MicroStrain including but not limited to collection fees court costs and legal fees associated with collection of past due balance 4 Shipping Terms All Products deliver
45. nclination over specified time intervals bin save interval and then saves this histogram to memory The process is repeated until the Virtual Corset is turned off or the memory capacity is reached Note that the data and programming parameters are saved in non volatile memory and will not be lost in the event of power down or low battery capacity The bin save interval can be programmed for any amount of time however longer intervals provide lower resolution of the wearer s activity For example if the bin save interval were set at one hour at the end of the day there would be 24 histograms showing the wearer s trunk inclination angle at the period of the binning frequency This would show a histogram of inclination for each hour over the course of a day If the bin save interval were set at 12 hours at the end of a day there would be only 2 histograms of inclination Longer bin save intervals use less memory than shorter bin save intervals but longer bin save intervals provide less information about daily activities 15 MicroStrain Inc Linear Mode Linear Mode provides a data logging function which records the actual angle of inclination in a continuous stream from beginning to end of a session The Virtual Corset can be programmed to record just the X angle just the Y angle or both the X and Y angles As is the case in Bin mode 2048 pages of data are available and in the case of the Linear mode each page contains 26
46. oad has completed Click lt OK gt N B The download will treat all data on board the Virtual Corset as either bin or linear based on the current parameter setting To erase all data on the Virtual Corset Click lt Data gt Click lt Erase gt A confirming message box will appear with a Yes No choice Click lt Yes gt to proceed with erase Click lt No gt to cancel the erase If Yes is clicked the application will proceed to erase all data on board the Virtual Corset A confirming message will appear indicating erase is completed Click lt OK gt To return to Main screen Click lt Data gt Click lt Return gt 50 Graph MicroStrain Inc From Main screen click lt Tools gt click lt Graph gt The Graph screen allows the user to visualize both bin and linear Virtual Corset datalogging sessions A bin download will allow the user to scroll through and see the graph of each data bin in a session A linear download will graph the entire session to the screen A MicroStrain Virtual Corset Graph File Data File C ADocuments and Settings Administrator iDesktopAYE ProjectsWWYirtual Corset er323 BetatD ata Files test myc l 0 Scroll Data Bins x oO yl 1 pp l l 15000 20000 90000 l l l 004 10000 15000 20000 25000 30000 14 Ejes O o Eo Mo Al 5 Sa pem dide Df ts Start E beta my AL MicroStrain Virtual Co x a a 4 46 PM
47. ometer It is recommended that you use the Calibration function to set this value not manual input Z Offset Value represents a calibrated offset to the Z accelerometer It 1s recommended that you use the Calibration function to set this value not manual input X Gain Value represents a calibrated gain to the X accelerometer It is recommended that you use the Calibration function to set this value not manual input Y Gain Value represents a calibrated gain to the Y accelerometer It is recommended that you use the Calibration function to set this value not manual input Z Gain Value represents a calibrated gain to the Z accelerometer It is recommended that you use the Calibration function to set this value not manual input Tare X Value represents the difference in degrees between the actual X angle and 0 zero when the Virtual Corset was tared It 1s recommended that you use the Tare function to set this value not manual input Tare Y Value represents the difference in degrees between the actual Y angle and 0 zero when the Virtual Corset was tared It 1s recommended that you use the Tare function to set this value not manual input X Low Alarm Value represents the low value in degrees of the X angle beyond which the shaker will trigger Always remember to keep the X Alarm High value higher than this value X High Alarm Value represents the high value in degrees of the X angle beyond which the shaker will trigger A
48. on of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law OF ie start A MicroStrain virtual Co To return to Main screen e Click lt OK gt 38 MicroStrain Inc Accelerometers From Main screen click lt Display gt click lt Accelerometers gt The Accelerometers screen allows the user to visualize a bits sampling session of the three on board accelerometers The screen allows the user to start a session record a session and stop a session A MicroStrain Virtual Corset Accelerometers Data IN rs Acc X Acc X Acc Y Acc Z peo Acc Y 1000 1000 4 1000 1649 Acc Z 508 300 300 300 s00 o00 a00 00 00 00 E00 E00 E00 500 500 500 400 400 400 300 300 300 200 200 200 100 100 100 o q g A MicroStrain Virtual Co RIE Moa 4 41 PM To start sampling e Click lt Data gt e Click lt Sample gt A check will occur to the left of the menu item indicating sampling is in progress e The application will start sampling the Virtual Corset and will display its X Y and Z accelerometer bits To stop sampling e Click lt Data gt e Click lt Sample gt The check to the left of the menu item will disappear indicating sampling has stopped To save data to a file e Click lt Data gt 39 MicroStrain Inc e Clic
49. out Step 1 e Slide the battery cover off the Virtual Corset e Insert the battery into the Virtual Corset battery slot being careful to observe the polarity indicators embossed in the slot e Slide the battery cover back in place BEY SIZE BATTERY s E me COVER LOCK V BACK SIDE OF VIRTUAL CORSET Y SLIDE COVER 2EMOV Diagram 1 11 MicroStrain Inc Step 2 e Insert the RS 232 end of the adapter cable into any available serial port on your PC e Insert the male LEMO end of the adapter cable into the female LEMO connector on the Virtual Corset N vA ed Qs S 23e CUNNECTS pe O BACK F E y on y 3 PC E4 i N NN o aa pl 7 A 4 LEMO PLUGS INTO i SIDE OF VIRTUAL CORSET Diagram 2 Software You must install Virtual Corset software from the Virtual Corset CD onto your hard drive you cannot run the program from the CD Please follow the on screen installation instructions For more detailed information see the Readme file on the CD 12 MicroStrain Inc Quick Start When you have completed the instructions in the Product Assembly Installation and Set Up section above proceed as follows Step 1 Run software e Double click the Virtual Corset software icon on your desktop Step 2 Auto Detect the Virtual Corset Go to Main screen Click lt File gt Click lt Connect gt Th
50. pable of correction or if MicroStrain determines in its sole discretion that it is not practical to replace the non conforming Software the price paid by the original licensee for the non conforming Software will be refunded by MicroStrain provided that the non conforming Software and all copies thereof is first returned to MicroStrain The license granted respecting any Software for which a refund 1s given automatically terminates 10 Limitation of Liability INNO EVENT SHALL THE MICROSTRAIN BE LIABLE FOR SPECIAL DIRECT INDIRECT INCIDENTAL OR CONSEQUENCIAL DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OF PROFIT OR OPPORTUNITY OR SIMILAR DAMAGES WHICH MAY ARISE IN CONNECTION WITH ANY OF MICROSTRAIN S PRODUCTS BUYER S SOLE AND EXCLUSIVE REMEDY SHALL IN NO EVENT EXCEED THE REPAIR REPLACEMENT OR COST OF THE SPECIFIC PRODUCT PURCHASED FROM MICROSTRAIN AS PROVIDED IN THE WARRANTY PERIOD 60 MicroStrain Inc 11 Warranty Repair MicroStrain s sole obligation shall be to repair or replace the defective Hardware during the Warranty Period at no charge to the original owner or to refund at MicroStrain s sole discretion Such repair or replacement will be rendered by MicroStrain The replacement Hardware need not be new or have an identical make model or part MicroStrain may in its sole discretion replace the defective Hardware or any part thereof with any reconditioned Product that MicroStrain reasonably determines 1s subst
51. rker Button The Virtual Corset contains a button as highlighted in the picture below The button is used in conjunction with a linear mode session During a linear mode any push of the button will be recorded in the data flow and will be retrieved and viewable in the linear event data Picture 4 33 MicroStrain Inc Enclosure The Virtual Corset and its battery are contained in a clear hard plastic pager type enclosure with a removable spring loaded belt clip The Virtual Corset enclosure measures 67mm long x 50mm wide x 20mm thick Picture 5 Picture 6 34 MicroStrain Inc Section 3 Software section 35 MicroStrain Inc Software Standard Offering The Virtual Corset is shipped with a CD containing Virtual Corset software This software supports the full capability of the Virtual Corset including auto detect configuration EEPROM read write data download data file saving real time display of accelerometers and angles launching erasing and other features System Requirements To use the Virtual Corset software your computer must have the following minimum specifications 300 MHz microprocessor Microsoft Windows 98 Second Edition operating system CD ROM drive Video resolution 800 X 600 16MB video card Minimum of 16MB of memory Minimum of 15MB of free hard disk space for application Microsoft compatible mouse Software Installation You must install Virtua
52. tion systems Quality assurance is applied at every stage We stand behind our product From pre sale consulting to installation and training to support repair and recalibration MicroStrain is there throughout the life of the product Finally if you are not completely satisfied with your MicroStrain sensor we offer a No Questions Asked 30 day return warranty Thank you for purchasing a MicroStrain sensor MicroStrain Inc Section 2 Hardware section MicroStrain Inc Brief Product Description The Virtual Corset has been described as a gentle reminder to stand up straight A more erect posture can reduce trunk muscle activity and may reduce the loads borne by the spinal column By combining an inclinometer datalogger and silent vibrating alarm in a tiny pager enclosure the Virtual Corset keeps track of trunk inclination and warns the wearer when a prescribed inclination angle limit has been reached The clinician or therapist sets the unit s inclination limits sample frequencies and data logging intervals using the serial port of a personal computer PC once programmed the Virtual Corset may be disconnected from the PC In the field 1t performs its pre programmed datalogging and biofeedback tasks while worn anywhere during work play exercise and rest Picture 1 MicroStrain Inc Product Starter Kit The standard Virtual Corset starter kit contains the following items If an item is missing or
53. ts gt e The default parameters programmed in this software will be displayed in the various value scroll boxes on the screen To view minimum parameters 45 MicroStrain Inc Click lt Tools gt Click lt Show Min gt The minimum allowable parameters programmed in this software will be displayed in the various value scroll boxes on the screen To view maximum parameters Click lt Tools gt Click lt Show Max gt The maximum allowable parameters programmed in this software will be displayed in the various value scroll boxes on the screen To write parameters Refer to the Understanding Parameters section of the Virtual Corset User Manual for details on the function of each parameter Good practice dictates that you first perform the read function described above so that you are sure you are viewing current values on board the Virtual Corset Enter the appropriate new value in the value scroll box of the parameter you are setting You may set one or more parameters at any time Click lt File gt Click lt Write gt The parameters will be written to the on board memory of the Virtual Corset A message box will appear indicating the write has completed Click lt OK gt To return to Main screen Click lt File gt Click lt Return gt 46 MicroStrain Inc Connect From Main screen click lt File gt click lt Connect gt The Connect screen allows the user to auto detect the Virtual Corset
54. ure 1 bends his trunk forward the Y angle will be reported as a negative angle 1 e 10 degrees 20 degrees etc If the person bends his trunk backward the Y angle will be reported as a positive angle 1 e 10 degrees 20 degrees etc By way of further explanation if the person is standing erectly as shown 1n picture 1 the X angle will be hovering around 0 degrees and the Y angle will be hovering around 0 degrees LATERAL BENDING can be accurately measured between 70 degrees and 70 degrees by the Virtual Corset FLEXION EXTENSION BENDING can be accurately measured through 360 degrees of rotation by the Virtual Corset Please note that the label on the Virtual Corset is always facing forward when installed on the subject as shown in the picture Picture 2 17 MicroStrain Inc Understanding Bin Update Time In bin mode each angle is sampled and calculated four times a second Once calculated a counter in a bin is incremented There are 132 bins for each angle for the 90 range each bin represents an angle range of 180 132 for the 180 degree range each bin represents an angle range of 360 132 After the number of minutes defined by the update time has expired the stored bins are saved to non volatile memory Each set of bins represent one page of data and there are 2048 pages of data What Let s use the salient points to construct some examples If we set the Update Time to 1 meaning 1
Download Pdf Manuals
Related Search