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1. Mouse pointer and tooltip reminder box about data format with memory jog that a _ sign allows use of a label at the data symbol see WSW for more details In case your software does not have a tooltip dialog box it may have been turned off To restore the tooltip go to the pull down menu icon Choose option I to restore the tooltip box Figure V6 WinSMITH Visual Tooltip Reminder Box Page 17 5 Make A Crow AMSAA Plot The Crow AMSAA plot in log log format produces a straight line for stable processes as a naturally occurring series of events the trend line models the process and just not the system The task of reliability engineering improvements is to put cusps on the trend lines by make improvements so as to reduce safety problems and reduce costs Thus some judgment is required in selected the trend lines and where line segments start stop Also note that MTBF and cumulative failure rate go with repairable systems and MTTF and instantaneous failure rate go with non repairable systems When line slopes on the C A plots of cumulative failures vs cumulative time is B 1 the process is called a homogenous Poisson process If B41 the process is called non homogenous The following explains how to interpret the Crow AMSAA plots under the C A icon with options C A data can only have suspensions at the end of the dataset where the data is entered with suspended time and the same number of failures as last repo2. amp Icon Tour Present Layout U___Tooltips Only N___No Information Displ lt e gt Icon Tour Former Lavout EEk Special gt Lile Data Analysis Wiad f Dl X Exit No Change ia aie Fle Gai Dovmark Options hep Mi enge PRODUCT INFORMA EEN Aetaoudedeamanis Best Practice Flow Chart tor Lite Data giatysis M Gema Acknowleagements Benchmarking Validatio mts ae Bap pappan TS sae a L i P Ti TTT alii muu Wen Inc an ie gr ia Copy Protection Felis imp Tos Product support Soe Bimini ii mone iiaa E TVk Ti i O References Start lt Click here to begin the Wizard Flow Chad Flow Chen Ken SuperSMITHIR WinShy The New Weibull Handb Play TIME TM Compute a Tells Revision Number Figure 6 SuperSMITH Help Files Weibull ls Shown The yellow finger pointing to the Icon Tour in Figure 6 provides hyperlinks to the active help icons from the front page for accessing detailed help files Page 8 SuperSMITH Weibull Software For Probability Plots Excerpts 1 Manual Data Input The spreadsheet becomes active when you click in the sheet Gust like occurs with Excel and it changes appearance to give you clues the sheet is active see Figure W1 For Cell Columns Cut Click this icon for 1 Click in spreadsheet Copy expanding the full 2 Enter data here in the S R screen spreadsheet active data entry box Press the Enter key Fpl ocd el cal Data NewSet Poiti Accept data entr
3. 262 446 6489x1 291 459 691 7x1 322 473 1154x1 353 486 9309x1 385 501 1501x1 417 515 7844x1451 530 8459x1 485 546 3474x1 520 562 3016x1 556 P value gt 10 OK vfa an 6 rer rpp Lambda Beta Fit p 0 00934 0 608 gt 10 IEC 1164 Best Practice Regression rgr Is Best Practice For Small Sets Click on the tab Statistic Tab Click To Enlarge If Enlarged Escape To Return 1 9 i Syn above the graph in Send Stats To Windows Clipboard z Figure V7 to get the ot 1 Of 2 Save Stats To File e statistics and the nuit Bade an a failure forecast as X Minimum 316 2 Y Minimum 1 Send Stats To Windows Printer 5 Maximum 5623 Maximum 10 shown 1n Figure V8 Total 27847 8 Total 55 Mu 2784 78 Mu 5 5 Sig 1803 Sig 3 028 4 Crow AMSAA Duane Results Lambda 0 00934 Fit p gt 10 Okay C 2 1 646674E 02 Beta 0 808 IEC Occurrence End gt M2 59 SEG Reliability Change Significance Growth Very Small 0 Last Occurrence Quantity 10 Total At Time x 5623 Total Occurrence Expected Next 1 At Time x 704 095 6327 Total The beta value of 0 8 is less than one This indicates failures are coming more slowly Use Slider For 2 Page Next 2 At Time x z 1424 7047 Total d li bili Next 3 At Time x 2157 7781 Tot
4. Server LAN use is completely acceptable given that the purchaser s network administration must limit access to one simultaneous user per purchased copy The software reads information from the command line can be different for each user to assist LAN operation Add cX XX to the comand line to store user specific configuration files into path XXX Add tYYY for temporary file storage location as path YYY Include a space between entries Please see the HELP file in the software for more command line examples See section 35 for an example Page 5 Getting Started After Software Is Loaded Here are a couple of tips about the appearance of the software differences For SuperSMITH Weibull the probability plotting and analysis software refer to Figure 1 lt SuperSMITH R Weibu 5 0AZ 32 gt ee IO x DBE gir The green box associates TCO a with WinSMITH Weibull Seti se DE a Pointi 1x1 FR en Point 2 2x1 Note the software version is numeric the Pointa tam revision is indicated by a alpha character and Panti 55 32 indicates the software is a 32 bit system OT ak TTT TTT RR Note the software name is SuperSMITH Weibull Age To Failure months Figure 1 SuperSMITH Weibull Figure 2 shows the icons for SuperSMITH Weibull Distribution Type Figure 2 Sup
5. gt Sixt Data 5 7 10 20 30 50 70 100 Age To Failure months Figure W3 SuperSMITH Weibull Probability Plot Enlarge the thumbnail plot by mouse click It will go to full screen as in Figure W4 Click Results To Minimize RESULTS AL AH al N Y Fank regression menoa 1 Aa eee fr A TON Fonoraaonste omm l Ae distribution PVE goodness oof 2 AR eo A 8 OOO function LA of fit 10 is OK Pe PT TT Ie a f ll BN TT 21 4 2 007 99 9 5 0 A dT Z 3 5 7 mj g gt 10 Line slope B Datum Units 5 data 0 suspension Figure W4 WinSMITH Weibull Full Scale Plot Remove the full screen plot by touching the ESCAPE key or left click with the mouse Page 10 3 How To Interpret The Weibull Probability Plot In Figure W4 notice It is a Weibull probability plot It uses rank regression calculations methods W RR Shape factor B line slope B is 2 007 it is literally the rise over run calculation for 1 1 graph paper which is obtained under the Zoom icon using Option O suggests a component wear out failure mode Shape factor B is dimensionless Location factor n characteristic life n is 21 4 using raw data units hours years months cycles etc occurs where the trend line crosses the 63 2 double line for the cumulative distribution function CDF The plot contains 5 pieces of data n and 0 suspensions
6. is on the spreadsheet a dialog box appears as a reminder concerning data format The dialog tells you the data should be in the format of Data x Quantity Datum Suspension The reminder dialog box is shown in Figure W8 Page 13 Mouse pointer and tooltip reminder box about data format The memory jogger says the data must be in Datum age x Quantity number of observations If the age is a suspension it must be preceded by a minus sign to signify a Suspension or censored data The allows labels on data points Fie Fx D Options Frys F r FH Weibull IE x SIS Salke Data Set tr isa Newf _ 4x1_ Smallest gt 5x1_1st Point 3 6x1 Largest Data Format Age To Failure x Quantity Datum Suspension _ Point Label Or ID eo 8 fF fi 4 BB A OA oo o A Point 14 r Beta p r s 35 3 719 100 3 1 Age To Failure months T E Figure W8 SuperSMITH Weibull Tooltip Reminder Box Notice Figure W8 contains labels in the data sheet by inputting data as age to failure then use of the underscore symbol for the label Also note the censored or suspended data is shown on the graph as gt These visual clues require use of the magnifying glass icon setting as shown in Figure W9 H Point Hide No 7 Select S Size
7. 1 5 How To Import Two Column Data From Excel With Suspensions In Excel make sure the left hand column contains age to failure and the right hand column contains the quantity number of occurrences of data Copy the data from Excel and paste into WinSMITH Weibull using the paste icon then the WinSMITH Weibull software will recognize the data requires some decisions and select the option that the two column data has quantities in the right hand using Option B to get the data shown in Figure W6 Step 1 Step 2 Paste data by use of the paste Icon and choose option B see note in Figure 9 Highlight Excel 2 column data and copy O T isis Pa E 1f Age To Failurd _Quantit o N ee P E ay ear i Data is Point4 2 automatically put Paint 5 gt 25 into rank order Suspended data sr 0 2 oo IE Figure W6 SSW Data 2 Column Import From Excel Figure W6 has suspended or censored data as evidenced by the minus sign in Excel which translates to the gt sign which means the item will fail beyond the time as shown in Figure W6 Thus WinSMITH Weibull handles the conversions automatically Complicated spreadsheets may have age and quantity in widely separate columns Consolidate multiple columns into one column for insertion into WSW using Excel s CONCATENATE function Data in column AA in the Excel spreadsheet is Age Quantity for import as a single column of d
8. 2 Second Edition First Printing October 2006 Third Edition First Printing August 2007 Fourth Edition First Printing April 2009 Trademark and Copyright Notice LaserJet HPGL and DeskJet are trademarks belonging to Hewlett Packard Inc PC XT AT PS2 are trademarks belonging to IBM Inc Windows MS DOS Excel Powerpoint and Word are trademarks belonging to Microsoft Corporation Lotus is a trademark belonging to Lotus Development Corporation The New Weibull Handbook is copyrighted by Robert Abernethy PlayTIME Fulton Findings Weibull NEWS WinSMITH and SuperSMITH are trademarks belonging to Wes Fulton All other trademarks and copyrights mentioned herein belong to their respective business units Page 2 Preface This manual is intended as a home study guide or a 1 to 2 day training class in how to use SuperSMITH Weibull and SuperSMITH Visual software for those who want more details about the common features of the software This manual does not include the more elaborated subjects and details offered in PlayTIME for SuperSMITH SuperSMITH Weibull SSW is a stand alone menu driven probability plotting analysis software program The program provides for best practice Weibull analysis including many techniques not available elsewhere SuperSMITH Weibull software is the defacto standard for life data analysis prediction and for evaluating variability and uncertainty in practically all industries Capabilities of SuperSMITH Weibull include
9. Excerpts From SuperSMITH Weibull And SuperSMITH Visual Instruction Manual and Guide Paul Barringer P E Barringer amp Associates Inc P O Box 3985 Humble TX 77347 3985 Phone 1 281 852 6810 FAX 1 281 852 3749 Email hpaul barringerl com Web http www barringerl com Simple Tools Strong Results Page 1 SuperSMITH Weibull and SuperSMITH Visual Software Instruction Manual and Guide Fourth Edition All rights reserved Reproduction or translation of any part of this work beyond that permitted by Section 107 or 108 of the 1976 United States Copyright Act without permission of the copyright author is unlawful Requests for permission should be addressed to the author s Weibull Methodology by Robert B Abernethy 536 Oyster Road North Palm Beach Florida 33408 4328 Phone 561 842 4082 FAX 561 842 4082 E mail weibull worldnet att net Software by Wes Fulton Presentation by Paul Barringer Fulton Findings TM Barringer amp Associates Inc 1251 W Sepulveda Blvd PMB 800 P O Box 3985 Torrance CA 90502 Humble TX 77347 3985 Phone 310 548 6358 Phone 281 852 6810 FAX 310 548 6358 FAX 281 852 3749 E mail wes weibullnews com E mail hpaul barringer l com Website http www weibullnews com Website http www barringerl com Distributed by Dr Abernethy Wes Fulton and Paul Barringer Printing History Every printing includes updated material First Edition First Printing February 200
10. Of Symbol Very Big Automatic Big Small Midsize ac Reset No Hide No Range Lock T Type Automatic Quantity Hide Set Sequence Point Sequence fointLaben ay For Add Set Line With Plot 2 Prec ee Add Set LineNwith Plot Select Click Drag No Point Label For Display D Data Delete Cut Sqpy Fit Find Intersection On Plot E Add Data On Plot Poet By Point Or Enter Delete Marker Point On Plot Range Y R ange Lock At Yalue G Range Y R ange Lock S5Mect On Plot H Range Y Range Lock ReseNlo Former L Start Lock No 7 Select Line Display Menu Line Delete Hide ize P Point Symbol Display Menu Point Hide 7 Point Label Size 7 Type l zik SLT Suspension Discovery U Plot Side opmbpor oepa 1 1 Plot Yes w No Scale Value Display Minimize w Maximize Y Scale Value Display w Minimize Maximize oom Symbol Legend Symbol Display Figure W9 SuperSMITH Display Point Labels And Suspensions _ Display On Plot vj Yes No ALTO MAtiC Page 14 SuperSMITH Visual Software Excerpts 1 Manual Data Input The spreadsheet becomes active when you click in the sheet just like occurs with Excel and it changes appearance to give you clues the sheet the sheet 1s active as shown in Figure V1 For Cell Columns Cut Click this icon for Copy Paste expanding the full Delete Data Spinal S Spreadsheet before click in
11. Weibull normal lognormal and Gumbel lower and upper distributions and variations of these as well as likelihood plotting confidence plotting design comparison probabilistic analysis outlier detection optimum replacement failure forecasting test substantiation planning accelerated testing and mixture analysis SuperSMITH Visual SSV is a general plotting analysis program with complimentary capability to WinSMITH Weibull Capabilities of SuperSMITH Visual include general function plotting transforms curve fitting aggregate cumulative hazard ACH plotting and Crow AMSAA Duane reliability growth plotting SuperSMITH Weibull and Visual software offer more useful options and capabilities than any other current life data analysis program although it is extremely compact in size This wide ranging usefulness is due to the many applications in industries including automotive components aerospace medical electronic electric power petrochemical nuclear rail transport dental materials analysis and others The compact program size allows easy transfer use over networks This training manual is intended to illustrate most of the frequently used capability and many of the applications Hopefully it is helpful for both novice and expert The reference book for all the material herein is The New Weibull Handbook authored and published by Dr Robert B Abernethy SuperSMITH Weibull and SuperSMITH Visual software are written by Wes Fulto
12. a cell Figure V1 SuperSMITH Visual Spreadsheet screen spreadsheet Click in spreadsheet Enter data here in the active data entry box Press the Enter key Nea Accept data entry or press the enter key Spreadsheet after click Data is enter into the plotting software in the format X scale Y scale Quantity the quantity feature is also used for a Z scale 3 dimensional plot and unless specified is by default 1 when the quantity is not specified then the default value of 1 is supplied by the X data Y data Quantity Z data if not otherwise specified the default Quantity 1 You cane add a label by use of 2 1 Data Use of the label feature requires you to go to the Magnifying Glass icon and use the Point Symbol Type to activate the Point leime Label capability Figure V2 SuperSMITH Visual Spreadsheet Data Entry Format Page 15 software Unlike the probability plotting software the data does not change after entry If data is input in the wrong format e g Y scale X scale a data transform icon is discussed below to unscramble the error without data re entry Use the active box on the spreadsheet to enter data 2x1 4x2 6x3 8x4 10x5 the data must be in the sequence your want it to appear on the plot following the format X data Y data Quantity Z data For data entry you can use the asterisk or the x or key to separate the data for use by the sof
13. al i n T 1 1 1 1 Next 4 At Time x 2905 8528 Total Failure g we a ty S Next 5 At Time x 3665 9289 Total Next 6 At Time x 4438 10061 Total RA mproving Future Next 7 At Time x 5222 10845 Total ata On Next 8 At Time x 6017 11640 Total failures are predicted Next 9 At Time x 6822 12446 Total Tab Behind Next 10 At Time x 7638 13261 Total 1n Figure V8 along Next 20 At Time x 16282 21905 Total Graph Next 50 At Time x 46035 51658 Total Next 100 At Time x 103762 109385 Total Figure V8 SuperSMITH Visual Crow AMSAA Failure Forecast with their timing Page 19 The lambda value of 0 01 is related to the system failure rate at time 1 Of course with beta lt 1 the failure rate A will be decreasing with time as the reliability improves and in turn the system mean time 1 X is growing from 100 at time 1 to 562 3 by the 10 failure If beta were 1 then the system would keep it s failure rate and display a constant mean time 100 Likewise if the system is deteriorating then B gt 1 and expect increasing failure rates and declining mean times to failure Click on Option E for extrapolate under the C A icon will show the failure trends for the graph in Figure V7 into the future which is the basis for a fearless forecast about failures which will occur unless action is taken to correct the trend line The extrapolated line is shown in Figur
14. ata for pasting directly into WSW An equivalent consolidation function involves use of the amp operator for concatenation For example concatenate cl q1 in Figure W7 is equivalent to c1 amp amp q1 where the parentheses are optional with the amp operator but are shown here for clarity just as might occur for clarity in an Excel spreadsheet Page 12 The concatenation function works well when many columns of data must be imported into WSW as columns of frequency data Datum x Quantity by copy and paste See Figure W7 Special note Depending upon the Excel language selected the concatenate function has different spelling for example in the German version concatenate VERKETTEN and may cause Excel to behave differently for this task The equivalent operator amp seems to overcome most of these compatibility problems Sometimes you may also need to use x rather than the asterisk Use the Excel consolidation function concatenate to produce a 1 column of data in Excel Highlight the Excel data and copy to the clipboard Insert the consolidated data into WinSMITH Weibull via the paste icon The Excel consolidation function in column AA Is concatenate c1 q1 the text function tells Excel the information is not a math function but rather a text symbol Figure W7 SuperSMITH Weibull Data Imported From Excel 6 Data Entry Reminder When the mouse pointer
15. e V9 Remember for Figure V9 the plot will always increase upward with more failures and the best you can hope for is Oo c pa en Q QO O gt E O O e MTBF Occurrence 109 Crow IEC A This trend line always rises Lambda Beta Fit p 0 00934 0 808 gt 10 200 300 500 700 1000 2000 3000 50007E 3 Cum Time x Crow AMSAA Plot Crow TEC A 3907 00 This trend line can rise with improvements or descend with degradations in performance Lambda Beta Fit p 0 00934 0 808 gt 10 300 200 LOOO 2000 3000 Cum Time x Figure V10 SuperSMITH Visual Crow AMSAA Cumulative MTBF Plot Page 20 a significant improvement which would incur large intervals between failures which would cause the line to break sideways If the trend line for Figure V9 moves upward rapidly it signifies bad news with deteriorating reliability and more failure s coming faster which is an unhappy situation Clicking on Option T for transform to MTBF under the C A icon transforms the Y axis from cumulative failures to cum failures cum time For this case of beta lt 1 the trend line will point upward the desired direction as shown in Figure V10 Option T s transform will allow he trend line to point upward or downward as indicated by _ the happy sad faces When no improvements occur the line will move horizontal The third option frequently us
16. e on the CD provided From Windows select START select RUN and enter D SETUP EXE after the path locating SETUP EXE Or you can use BROWSE to locate SETUP EXE on the CD and then run the SETUP EXE program Follow the on screen instructions given during SETUP Starting Instructions Start the software from the main Windows screen by first selecting START and then PROGRAMS Then select and run the appropriate SuperSMITH software program as listed either above the PROGRAMS selection or by first selecting PROGRAMS You should initially see the opening screen with one button displaying lt Y gt Yes I Agree To The Above and another button displaying lt X gt Exit Choose lt Y gt Yes I Agree To The Above to accept the usage disclaimers shown and continue to the main screen The main screen displays all of the options available in the software with icons and menu items for each choice plus a data spreadsheet and a results window Usage Instructions On line User Manual The use of the software is described in detail in the on line HELP file user manual that comes with the software To access the electronic user manual choose the HELP option from the main screen The New Weibull Handbook ISBN 0 9653062 3 2 by Dr Robert B Abernethy is the reference manual for the methodology in our Weibull related software This handbook is the standard reference used to describe Weibull technology and is available separately Server LAN Operation
17. ed for display of reliability growth involves the instantaneous failure rate which is obtained from Option T along with Option I for the instantaneous trend line The instantaneous line and the MTBF line will be concurrent if the condition of no change beta 1 occurs however if beta lt 1 the instantaneous line will lie above the MTBF trend line and likewise if beta gt 1 the instantaneous trend line will lie below the MTBF line The transformed MTBF line and the instantaneous trend line are shown in Figure V11 In Figure V11 projecting the trend line downward and to the left will show that at time 1 on the log scale the trend line will cross 100 which is equivalent to 0 01 for the failure rate Also since the system is improving the instantaneous failure rate is also growing as displayed above the MTBF trend line Crow AMSAA Plot Instantaneous Failure Rate Tells About Current Failure Rate MTBF Tells About Long Term Failure Rates HINT The instantaneous failure rate line is above MTBF for improvements on the MTBF line when B 1 with no deteriorations or no improvements and below the MTBF line when B gt 1 for performance deterioration Lambda Beta Fit p 0 00934 0 808 gt 10 Q Q c D ho ho 5 oO Q O LL aa 1000 10000 Time Total Cumulative Figure V11 SuperSMITH Visual Crow AMSAA Cumulative MTBF Plot With Instantaneous Failure Rate The faster the growth in reliability the greater is
18. erSMITH Weibull Icon Definitions Page 6 X Look at the differences for SuperSMITH Visual the general scientific graphing and Crow AMSAA plotting software in Figure 3 Notice the name Visual in the red box and fewer icons than for SuperSMITH Weibull SN N ge u P N lt SuperSMITH R Viswa 5 0AZ 3 2 gt Sein 4S Ld Pointi Point 3 316 2x1x1 f52 1x2x1 1248 6x3x1 Data Point 4 2364 4x5x1 Point 5 Point 6 Points Point 10 Point 11 Point 13 Point 16 Point 13 Ss Figure 3 WinSMITH Visual Figure 4 shows the icons for WinSMITH Visual 342 6985x1 KE 349 6632x1 083 356 7692x1 101 364 0198x1 119 af 1 41 FF x1 137 379 9659x1 155 396 66 76x1 174 394 5258x1 1931 402 5435x1 2131 410 7244x1232 419 0715x1 2521 427 _5883x1 2 731 436 27 79x1 2931 445 1444x1 3141 454 191x1 3359 463 4213x1 3571 472 8394x1 3791 Figure 4 SuperSMITH Visual Icon Definitions Page 7 WinSMITH Visual Free E T E ES ee Note the software version is numeric the revision is indicated by a alpha character and 32 indicates the software is a sa bit system The red box associates with Plotting Software Notice each software has a spreadsheet for data entry a thumb size graph and special icons for peforming the calculation or routine chores Traditional pull down menus are available Cut Applies To Copy Data Point
19. me This is Option T Option I superimposed for WinSMITH Visual The trend line slope is 1 B m t 1 AB t P 5 Cumulative failure rate vs cumulative time which is Option R for WinSMITH Visual The line slope is B 1 C t At Page 18 Most used features above are 1 2 and 3 Often you will see the term a 1 B in European literature Suppose we have the following data set Cumulative time 316 2 752 1 1248 6 1788 9 2364 4 2969 5 3600 6 4254 6 4929 5 5623 4 Cumulative failures 1 2 3 4 5 6 7 8 9 10 What are B A what do the symbols mean and when will failure number 11 12 15 and 20 occur Enter the data click on the C A icon view the plot interpret the data and click the ord tab for failures Figure V7 shows the main screen with a Crow AMSAA plot and the IEC61164 method results Crow AMSAA Icon BER lt SuperSMITH R Visual 5 0A7 32 gt oag FNS Data Set ts 1 Setzrim 1 BEER Point 1 Tab For Forecast amp Statistics 316 2x1x1 316 2 9773597 Point 2 752 1x2x1 325 4335x1 000 Point 3 1248 6x3x1 334 9365x1 0231 Point 4 1788 9x4x1 344 7172x1 047 Point 2364 4x5x1 354 7835x1 0721 Point 6 2969 5x6x1 365 1435x1 0971 Beta 0 808 3600 6x7x1 375 8063x1 123 4254 6x8x1 386 7804x1 150 Lam bda 0 0093 4929 5x9x1 398 075x1 1772 409 6992x1 204 421 6631x1 233 433 9763x1
20. n You can obtain the latest version of DEMO software for no charge downloads from Wes Fulton s website http www weibullnews com or from Paul Barringer s website http www barringer1 com See Barringer s website for general introduction to reliability in practice the latest Problems at http www barringerl com problem htm and details from Dr Abernethy s library posted as no charge downloadable files concerning Weibull Analysis Page 3 This page intentionally left blank Page 4 SSW SSV Get Software Ready Software Setup Details SuperSMITH Weibull and Visual are two different programs supplied on the same CD and provided as the SuperSMITH software Assume the installation CD is placed in the D drive Assume the program will be setup into the C SMITHW directory the setup program will make this directory or you can specify the location of the directory in a dialog box The programs are 32 bit Windows programs These 32 bit programs will Windows systems from Windows 95 through Windows VISTA on workstations or servers RAM requirements are modest and space required on the hard drive is also modest Note to LAN managers perform the entire setup on the machine you intend to use do not set it up on one machine and copy the files to another server Install these five OCX files on the client machines COMDLG32 0CX MSFLXGRD OCX PICCLP32 0CX SPIN32 0CX and THREED32 0CX For each program run its SETUP EXE fil
21. rSMITH Visual Spreadsheet Full Scale Plot Page 16 3 How to Import X Y data from Excel Make sure the data columns in Excel are X data in the left column and Y Data in the right column the highlight the cells and copy To paste the two data columns into WinSMITH Visual click on the paste pot icon DO NOT do a typical Windows paste into WSV because it won t work and select option B from the paste into the spreadsheet dialog box which tells the software how to handle the data The four steps are shown in Figure 5 lt SuperSMITH R Visual 5 0AZ 32 gt a oa Ao ay Select Copy From Excel A BI 1 SE i Use Option B For 2 column Source J Poir A New Column New Set lt Value x Paste Icon Figure V5 WinSMITH Visual Copy Paste From Spreadsheet You can also use the Excel concatenate function to take multiple columns of data and prepare a single column import using option A in Figure 5 during import the concatenate function is explained in the SuperSMITH Weibull section of this manual 4 Data Entry Reminder When the mouse pointer is on the SuperSMITH Visual spreadsheet a dialog box appears as a reminder concerning data format eremo l The dialog tells you the data should be in the format of X Data x Y Data x Quantity The reminder box is shown in Figure V6 SS ae B Tools H Help p
22. rted eg 1000 4 1050 4 The Crow AMSAA technique has three widely used methods and two less widely used rates each with cumulative time on the X axis and most produce straight lines for stable processes on log log plots 1 Cumulative failure events vs cumulative time this is the default method which produces a line slope of B if B lt 1 failures are occurring more slowly if B I no change in the failure rate and if P gt 1 then failures are occurring more quickly and which is the Y axis intercept identifying MTBF or MTTF 1 This is the WinSMITH Visual default method involving a nose count of events and time It is useful for predicting future failures and identifying cusps where significant events have occurred N t at 2 Cumulative MTBF or MTTF vs cumulative time which requires a transform of the Y axis and thus the actual line slope of the trend line is 1 B This is Option T for WinSMITH Visual This method requires a transform of the Y axis cumulative time cumulative failures The direction of the curve is a pointer for audiences with attention deficiencies up for improvements down for deterioration and sideways for no change in reliability M t 1t P 3 Instantaneous failure rate vs cumulative time which is Option R Option I superimposed for WinSMITH Visual The line slope is B 1 This method is often helpful for development activities c t Arpt 4 Instantaneous MTBF or MTTF vs cumulative ti
23. s Pve gt 10 show a good fit of trend line to data The coefficient of determination r 2 0 981 see tab behind graph is also a measure of goodness of fit and it suggests the straight line explains 98 1 of scatter in the data The graph was made on the date of October 9 2006 gt DOIM10YR2006 The small 1 in the upper right hand corner by the triangle symbol is the legend for the graph DSW graphs can contain up to 12 trend line data sets Ten percent Bio or Lio of the population is expected to fail in 7 units of time or less this means 90 of the population will exceed 7 units of time Ninety percent of the population will fail in 32 4 units of time or less Thus 90 10 80 of the population is expected to fail in the range of 7 units of time to 32 4 units of time 4 How To Import One Column Of Data From Excel To WSW A single column of Excel data can be imported into SuperSMITH Weibull in two steps as shown in Figure W5 Step 1 Step 2 Highlight single column of data in Excel and copy to clipboard Paste data into the spreadsheet by paste icon click the usual Windows paste command does not function because of the frequency table format las Data EH NewSet E Pointi Point 2 Point 3 4 d Spreadsheet after clicking paste icon Figure W5 SuperSMITH Weibull Data Import From Excel The pasted results will look like the data shown in the right hand side of Figure W5 Page 1
24. s Paste or Columns Delete Graph Tab Statistics Tab Graph or Statistics Click to Enlarge Spreadsheet More Columns Included When Data Added Figure 5 SuperSMITH Weibull And Visual Spreadsheet With Thumbnail Graph Both SSW and SSV have on board help files which address specific issues Access the search issues by clicking on the mark icon or clicking on the pull down help menu as shown in Figure 6 SSW s help file is more extensive than WSV lt SuperSMITH R Weibull 5 0A7 32 gt A Analysis B Tools ZZ WinSMITH TM Weibull amp Visual Help Fie Edit Bookmark Options Help lz Bes AO e Weibull Tonens Seach Got e e gt Eee 2 Ne ee ee E ite rmi Contents for SuperSMITH R dl aE exo e e es H Help Weibull and SuperSMITH Visual ee J Additional SuperSMITH R HE Select With lt ALT gt lt ALT gt lt TAB gt If Already Activ a7 Fa E SuperSMITH R Visual 4c SuperSMITH R YBath TM 1 Additional Path For SuperS fC Cc eT __ePe L__ Information Display Big Small T About SuperSMITH R lt F2 gt Data Wizard lt F3 gt Ninalysis Help Wizard The following Help Topics are available Information Display E xj Answers to Common Questions ae Select N r ii Fa Dats Gelect Pra Dele 1 ag I Background Introduction sm Whats New in SuperSMITH Revisions I nformation Display With rum a A Wifia
25. the involvement by the development team to introduce improvements and to keep them in place so the instantaneous failure rate plot clearly shows growth opportunities the gap between the lines derived from making improvements Other options under the C A icon allow you to have the display to fit your needs such as the rate of failure occurrences Option R the survival transform which is 1 Rate Option S which will produce a curved line of both survival and MTBF and other options to be discussed later End of excerpts from the SuperSMITH Weibull and Visual Training Manual Page 21
26. tware Input the data as 2 4 Enter 4 2 Enter 10 5 Enter The data will appear as shown in Figure V2 2 How to make a plot When you have finished data entry move the mouse over the thumbnail blank screen and the plot will appear in Figure V3 as data points and without trend lines You can connect the dots by use of the Plot Type icon bottom row left icon and choose curve type as point line line only or point only If you prefer you can fit the data to a variety of different math models found under the Curve Fit icon on the bottom row third from the left Interpretation of the plot requires no comment lt SuperSMITH R Visual 5 0AZ 32 gt DBE Visual TE Data Pind 4S as Enlarge the thumbnail plot in Figure V3 by mouse click and it will go full screen as shown in Figure V4 You have options under the Curve Type in Figure 4 of connecting the dot or you can have lines only etc The Plot Type Curve Type Icon Will Allow Symbols Only Lines Only Or Symbol amp Lines Together Under the options of Scale Type in Figure 4 you can The Plot Type Curve Type Icon configure each axis for a Will Also Allow Different X Y Scales Uniform Log Log Log X Only Log Y Only different type of transform Arrhenius X Only Arrhenius Y Only i as required for the specific data Figure V4 Supe
27. y or press the enter key Spreadsheet before click in a cell Spreadsheet after click Figure W1 SuperSMITH Weibull Spreadsheet Use the active data entry box to enter data 8 14 17 21 33 you do not need to order the data by use of the edit box such as 8 Enter 14 Enter 33 Enter Check for data input errors by viewing the data BEFORE you move the mouse over the thumbnail graph or return to the main screen When the mouse is moved over the graph the data are automatically ordered and you loose the input arrangement If the data entry is a suspension enter a minus sign before the number See Figure W2 for data appearance before and after entry Data lt Click in a cell and input this data as if 17 you were using an Excel spreadsheet 8 the input scheme can be a frequency 33 table for many quantities of the same data 14 24 Data quantity If not otherwise specified the default quantity of 1 is automatically added by the software Data in Data in rank entry sequence i order after the before mouse Point4 mouse pointer pointer is moved is moved over over graph i the graph Spreadsheet data as entered Data automatically ordered Figure W2 SuperSMITH Weibull Spreadsheet During And After Data Entry Page 9 2 Make A Probability Plot Using the spreadsheet data in Figure W2 move the mouse pointer to the small size plot The thumbnail plot appears as shown in Figure W3 lt SuperSMITH R Weibull 5 0AZ 32
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