Shirley Wong - School of Engineering Science
Contents
1. Figure 6 Sensory Input and Decoding Unit Functional Diagram Copyright 1999 Smart Sense Innovations D SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification a Signal Acquisition T he first stage of the sensory input and decoding stage is the signal acquisition The signal coming from the car alarm car ignition or the headlights will be fed to one of the three sensors after the user activates the enable disable switch Figure 7 demonstrates the functional block diagram for this stage Alarm Sensor D etector Analogue input O utput signal to signal from the car Headlights signal conditioning sensor Detector Ignition Sensor D etector Figure 7 Functional Block Diagram of Signal Acquisition The sensors used to acquire the input signal for this stage have the following specifications The required sensor be activated once the user activates the enable disable switch Able to detect the activation of the car alarm Able to detect the activation of the ignition system Able to detect the state of the car headlights Have a high signal to noise ratio Pass the acquired signal to the signal conditioning stage VVVVV NV Copyright 1999 Smart Sense Innovations 6 SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification b Signal Conditioning T he second stage of the sensory input and decoding unit is signal conditioning It s composed of signal am2. et pr pare Vous pouvez laisser votre place outre de votre alarme le syst me de MAPSS imm diatement composera votre num ro de pagineuret vous laissera un message Le message composertroistiret qui dire vous message MAPSSet pas hottie dans premier paragraphe suivi un simple chiffre quel indiquer vous pourquoi MAPSS produire unalerte voirtable Code SQgnificaion t lanc d marn lumi res sont allum es Garantie Cette unit est offerte COMME EST et aucune garantie exprim e ou implicite except selon les exigences de la loi ne sera foumie Danstouslescasla responsabilit sera limit e pourr parerou remplacement de l unit de MAPSS DES INNOVATIONS FUT ES DE SENS NE SERONT PAS UG EES RESPONSABLES DES PERTES DIREC TES OU INDIREC TES ENC OURUES EN RAISON D C Utiliser C E PRO DUIT Copyright 1999 et nousla partie l aiment Innovations Fut es De Sens Texte et conception de R et productions de R une division de C ble de Kola
3. UE URI School of E ngineering Science e Burnaby BC e V 5A 1S6 inorations http ssi qb net e ssi enso sfu ca February 16 1999 Dr Andrew Rawicz School of Engineering Science simon Fraser University Burnaby BC V5A 156 Re EN SC 370 Project MAPSS Functional Specifications D ear Dr Rawicz T he attached document MA PSS Mobile A larm Paging Security System Functional Spedtication outlines the requirements of our ENSC 370 project Our goal is to design and implement an automobile feedback information center The device alerts the car owner in the occurrence of a car alarm the activation of the ignition system and if the headlights have been left on The module shall deliver a unique mobile page for each such event T his document highlights the desired functionality of the entire system and the specifications of the various components within the system The functional components include the sensor input and decoding unit page encoding and dialing unit and the programmable user interface unit Smart Sense Innovations consists of four motivated innovative and talented third year engineering students May Huang Shirley Wong Caroline D ayyani and Frederick Ghahramani If you have any questions or concerns about this document Please feel free to contact me by phone at 604 941 0629 or by e mail Sincerely Shirley Wong Shirley Wong President and CEO Smart Sense Innovations Enclosure MAPSS Functional Specif
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5. Smart Sense Innovations is now developing the next generation of alarm systems This new product informs the car owner through a mobile page of the state of various systems in the car The device known as MAPSS is a micro controller and mobile telephone based apparatus Sensors are attached to the car security system the car ignition system and the car headlights Upon activation the module senses if the car alarm has been activated or if the headlights have been left on or if the car is turned on The device then pages the car owner accordingly informing the owner of the specific event In designing and delivering this product Smart Sense Innovations is establishing new foundations for car security systems G one are the days when car alarms would activate at random in hopes of scaring away criminals SSI s next generation of auto security systems aim to act as an interactive mobile information center constantly feeding back vital statistics about the state of the car to it s owner This document introduces the various functional components of the MAPSS system outlining the product s different operating stages and states Some potential future improvements and feature adjustments are also discussed Copyright 1999 Smart Sense Innovations ji SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification TABLE OF CONTENTS DR TAE TRAN LULU AL LA ER TT TTE TTD ii Lane OF CON T Sa
6. Specification T he above functional blocks will combine to satisfy the following system functional requirements The MA PSS system shall Interface with the existing car security system car ignition system and the car s headlights Provide an LCD display screen and keypad for the user to program the desired pager number Utilize the existing car battery for a power supply Have a power switch for the user to enable disable the system Have a response time of no more than 45 seconds the response time for this system is the time required for the system to process the input from the car s subsystems and generate and deliver a mobile page Deliver unique alphanumeric pages for each of the 3 sensory inputs Be encompassed in a non descript black box for ideal stealth integration into any car security system VVVV WV YN Copyright O 1999 Smart Sense Innovations 3 SMART SENSE innovations Mobile Alarm Paging Security System Functional Specification PROGRAMMABLE USER INTERFACE T he first stage of the MAPSS system is responsible for interfacing with the user In specific this stage is responsible for obtaining and storing the telephone number which will be called at the output stage Figure 3 demonstrates the context with which this stage fits into the entire MA PSS system Car Input Signal Sensory Input and Decoding Page Encoding and Dialling Page D elivered to Car O wner Programmable User Interfa
7. switch ison the top panel of the MAPSS unit see figure 1 2 WaitforyourMAPSS system to powerup the green light will come on and watch forthe welcome message on the display screen Welcome to MAPSS Enter pager number 3 Enteryourpagernumberusing the MAPSS keypad It will accept 7 digits When you have typed the last digit it will display a right amow atthe end of the number You re done The MAPSS system is armed and ready You can leave yourcar If an intruder comes by and sets off your alarm the MAPSS system will instantly dial your pagernumber and leave you a message The message will consist of three dashes which tell you the message is from MAPSS and not from the hottie in the first paragraph followed by a single digit which tells you why MAPSSis generating an alert see table Alarm Code Meaning Caralam hasbeen activated started Figure 1 MAPSS control panel Display Screen SSI MAPSS Display Screen Contrast Power On Light Green Warranty This unit is offered AS IS and no warranty expressed orimplied except as required by law shall be provided In all cases lia bility shall be limited to repairorreplacement of the MAPSS unit SMART SENSE INNO VATIONS WILL NOT BE HELD RESPONSIBLE FOR DIRECTOR INDIRECT LO SSES INCURRED AS A RESULT OF USING THIS PRODUCT Copyright 1999 and we party like it Smart Sense Innovations Text and D esign by R amp R Productions a
8. D OT OO adi 11 DU LU LOT uiii Op PIRE EM EPI IK UI NAMEN NM M mM EDI nM MM dM E M IM D MM EUM 12 bg PR tase diestacetusttavevioseucstesttaceeuoseacees 12 Potential Syslem EUMUQLIONS NC 12 COCO ad a a HR 13 Copyright 1999 Smart Sense Innovations jii SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification INTRODUCTION Car owners have several options in attempting to counter the recent rise in auto theft and vandalism Many third party after market systems have been developed and marketed These products range from physical preventative devices that lock the steering wheel to alarm driven deterrent systems that sound a siren alerting passersby of illegal activity However traditional anti theft alarm based systems are unreliable annoying persistently going off and provide little feedback to the car owner as to the state of the car MAPSS aims to address this shortcoming in current auto security systems by incorporating a telephony device into the system The inclusion of a communication framework between the car and its owner serves to best inform the owner of the current conditions of the car MA PSS is a standalone programmable module that monitors the state of the car security system the ignition system and the car s headlights Upon sensing input from the various car subsystems MA PSS encodes and delivers a unique mobile page to the car owner This page is displayed in an alphanumeric
9. IREMENTS The overall enclosure and casing of the MAPSS system will be portable and pose minimal disturbances to the user The system is intended to be concealed in the trunk of a car it will be designed to be mounted internally with mounting brackets and screws Furthermore the device will be encased to occupy as little of the trunk space as possible The physical requirements are highlighted in Table 1 Table 1 MAPSS System Physical Requirements Height 15 cm maximum Length 0 Width 20 cm maximum Weight 2 5 kg maximum ENVIRONMENTAL REQUIREMENTS The MAPSS system will meet the environmental requirements listed in Table 2 Table 2 MAPSS System Environmental Requirements Operating Temperature Shipping Temperature 30C to 70C Heat Dissipation Minimal pW range Full range of ATM humidity Copyright O 1999 Smart Sense Innovations 9 SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification ELECTRICAL REQUIREMENTS The MAPSS system will meet the electrical requirements listed in Table 3 Table 3 MAPSS System Electrical Requirements Voltage 15 V maximum SAFETY REQUIREMENTS The MAPSS system will meet the following safety requirements a Enclosure T he enclosure will not possess sharp corners or edges that would pose a danger to the user The enclosure will not contain protrusions or odd extensions of any form b Electrical Isolation T he exte
10. PSS system will be designed based on the functional specifications described in this document The technology that is applied in the MA PSS system will also serve to act as a fundamental precursor to future feature developments These could include the addition of a Global Positioning System embedded in the CD MA based mobile telephone A voice recorded messaging system and the alteration to allow the user to dial into the car to deactivate the various subsystems In designing and delivering this product Smart Sense Innovations is establishing new foundations for car security systems Gone are the days when car alarms would activate at random in hopes of scaring away crooks SSI s new generation of auto security systems aim to act as an interactive mobile information center Constantly feeding back vital statistics about the state of the car to its owner Y our car was stolen and theres not much you can do It could happen again isn t it time you purchased a MA PSS Copyright 1999 Smart Sense Innovations 13 SMART SENSE imnova Nons Mobile Paging Car Security System Functional Specification Appendix User Manual Copyright 1999 Smart Sense Innovations 1 SENSE Innovations Mobile Alam Paging Securty System User Manual Welcome to a new way of protecting your vehicle Those wonderful folks at Smart Sense bring you a state of the art car security product like no other What is Mobile Alarm Paging With ordinar
11. ce Figure 3 Programmable User Interface Context Diagram Figure 4 demonstrates the Programmable User Interface functional diagram The User Interface module consists of the input process and visual output display The input is entered using a keypad e g telephone keypad The output is displayed on an alphanumeric LCD screen The screen will also have the capability to display other parameters such as the date time and activation duration Process Store Signal Displays signal via LCD Figure 4 Programmable User Interface Functional Diagram User keypad input Copyright 1999 Smart Sense Innovations 4 SMART SENSE innovations Mobile Alarm Paging Security System Functional Specification SENSORY INPUT AND DECODING UNIT T he second stage of the MA PSS system is responsible for sensory input and decoding In specific this stage is responsible for acquiring the input signal from the car security ignition and headlight systems Figure 5 demonstrates the context with which this stage fits into the entire MA PSS system Car Input Sensory Input Page Page Signal and Decoding Encoding D elivered to Car O wner Programmable User Interface Figure 5 Sensory Input and Decoding Unit Context Diagram Figure 6 demonstrates the system block diagram for the sensory input and decoding unit Signal Signal Actuating Output to Acquisition Conditioning Interface next MAPSS subsystem Input from User Interface
12. division of Wired Cola Failure Warning Adjustment Light Red S SENSE Innovations MAP Mr mA TA Peri PO CH PT PS PS Pa PQ ee Baa a a a d a a Manuel Mobile D Utlisateur De Syst me De S curit De Pagination D Alamrme Bienvenue une nouvelle voie de prot ger votre v hicule Cesgens merveilleux au sens fut vous apportent un produit de pointe de degr de s curit de voiture comme aucun autre Quelle est pagination mobile d alarme Avec les syst mesordinaires de degr de s curit de voiture une attaque sur l int grit de v hicule est annonc e parune sir ne d clatement deslumi res clignotantes ou peut tre un klaxon comant Ce hullaballo est cens pourattirer l attention la voiture mais de nos jours personne n observe une alarme de voiture Un plus mauvais distillateur que si vous tesunedate chaude et devezvous sortir de la distance de la voiture Avec un syst me d alarme conventionnel vous avez le choix de Hobson laissez votre voiture pertinemment non prot g e pensez le soin du gonna de votre voisin vosroues ou manque dehors sur peut tre le seul lovin vous aurezce mois Le syst me mobile de s curit de pagination d alarme MAPSS met un terme ces dilemmes en mettant le juste de s curit dans votre poche sassurant que la prochaine fois que vous revenez votre voiture vous serez heureux de la voir La volont de MAPSS vous indiquent m me que quel gen
13. ication LIRE OLA fons Functional Specification for a Mobile Alarm Paging Security System Project team Contact Personnel Submitted to Issued date Revision Caroline D ayyani Frederick G hahramani May Huang Shirley Wong Frederick G hahramani fghahram sfu ca Dr Andrew Rawicz ENSC 370 Steve Whitmore ENSC 305 School of Engineering Science Simon Fraser University February 16 1999 1 0 SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification EXECUTIVE SUMMARY Y our car was stolen W hat do you do CALL THE POLICE Y our car s gone T hey ll catch the crooks like they always do on television First they ll put out an all point s bulletin then find your car and fingerprint it for leads to find the punks wishful think ing Provincial auto crime has increased 750 in the past decade This staggering statistic has led to the inability of law enforcement officials to chase the crooks In most circumstances when the exact timing of the auto crime is unknown the police record the theft claim and description of the car for insurance purposes No investigation no fingerprints no car chases This predicament has forced consumers to purchase anti theft systems to better safeguard their automobile investments However traditional car alarm systems are unreliable annoying persistently going off and provide little feedback to the car owner as to the state of the car
14. ny device In specific this stage is responsible for encoding composing and delivering the appropriate mobile page Figure 10 demonstrates the context with which this stage fits into the entire MA PSS system Car Input Signal Page D elivered to Car O wner Sensory Input and Decoding Page Encoding and Dialling Programmable User Interface Figure 10 Page Encoding and Dialing Unit Context Diagram Figure 11 demonstrates the functional block diagram for this stage of the system Input from Sensory Input and Decoding Stage Message Selection gt and Encoding L gt 2 a Phone Number Encoding Mobile Page Delivered Uv Dialing and Telephony Interface Input from UI stage Figure 11 Page Encoding and Dialing Unit Functional Block Diagram Copyright O 1999 Smart Sense Innovations 8 SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification Upon the completion of this project the page encoding and dialing unit will possess the following functionality Detect input from the User Interface stage and encode the phone number Store this phone number in the Dialing and Telephony interface memory Detect input from the Sensory Input stage and select an appropriate message to encode Store the message in the D ialing and Telephony interface memory Dial into a pager network sending an alphanumeric page to the owner VVVV WV PHYSICAL REQU
15. plification and signal filtering Figure 8 demonstrates the functional block diagram of this stage Input from signal Output to actuator Acquisition Interface Amplification Filtering Stage Stage AJU Figure 8 Functional Block Diagram of Signal Conditioning The Signal Conditioning unit shall Receive the required signal from the signal acquisition unit Amplify the signal to the level required by the actuator interface unit Reduce the noise Provide the signal to the actuator interface unit Filter between the 2 types of car alarm activation impact non impact YYYVYVY c Actuator Interface The last stage of the sensory input and decoding unit is the actuation of the signal Figure 9 demonstrates the functional block diagram of this stage Input signal from signal conditioning Output to Actuator Page Encoding and Interface D ialing unit Hardware j Figure 9 Functional Block Diagram of Actuator Interface Copyright 1999 Smart Sense Innovations 7 SMART SENSE innovations Mobile Alarm Paging Security System Functional Specification T he actuator interface will receive the signal from the signal conditioning unit Through the use of high speed comparators and switches the actuator interface will then interpret the input signal It will send the output results to the page encoding and dialing unit PAGE ENCODING AND DIALING UNIT T he third stage of the MA PSS system is responsible for interfacing with the telepho
16. re d attaque est fait sur votre voiture ainsi vous pouvez enti rement valuerla situation voiture Si un intrus vient paret Il y a plus trop De MAPSS alertes galement vous quand vous avezlaiss vos pharesen fonction Apr s tout il n y a aucun plus grand humeur tueur que devant appelerun camion de remorquage Est ce qu ok ainsi je veuxla pagination mobile d alarme et j ont pay mes 699 95 ainsi comment je l utilise Assurez vous ont MAPSS professionnellement install ainsi vous pouvez avoiracc s notre protection de garantie et support technique Autre ment si quelque chose toume mal nous raccrocherons juste sur vous Une foisque l unit de MAPSS sest fix e et reside heureusement dans votre voiture il est tempsde la mettre pourtravailler Le fonctionnement de votre MAPSS est aussi facile que 1 2 3 Directions 1 allument votre syst me de MAPSS Le commutateur de puissance est sur le panneau sup rieur de l unit de MAPSS Voir le sch ma 1 sur pr c dente la page 2 attendent votre syst me de MAPSS pour mettre le feu vert avancera et montre pour le message bienvenu sur l cran de visualisation bienvenue MAPSS crivez le nombre de pagineur 3 crivent votre nombre de pagineuren utilisant le bloc de touches de MAPSS Il recevra 7 chiffres Quand vousaveztap le demier chiffre ilaffichera une fl che droite la fin du nombre Vous tes faits Le syst me de MAPSS est a m
17. representation thus informing the car owner in plain English of the state of the car The purpose of this document is to describe the functional requirements of the MA PSS device and to resolve Smart Sense Innovations April 1999 deliverables The intended audience for this document is Dr Andrew Rawicz Mr Steve Whitmore the design engineers of Smart Sense Innovations and various external third party design consultants Copyright 1999 Smart Sense Innovations 1 SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification SYSTEM OVERVIEW The MAPSS system will obtain input from the car security ignition and headlight systems and generate an output in the forms of an encoded mobile page Figure 1 shows the system context diagram The figure illustrates that the device will remain in a busy loop until an input signal triggers the system to encode and deliver a page At which point the system returns to the busy loop Figure 1 System Context Diagram Figure 2 demonstrates the MA PSS system block diagram A more in depth functional decomposition of each sub block is discussed in the subsequent sections Car Input Signal Page D elivered to Car O wner Sensory Input and Decoding Programmable User Interface Figure 2 System Block Diagram Page Encoding Copyright 1999 Smart Sense Innovations 2 SMART SENSE ENS Mobile Alarm Paging Security System Functional
18. rior casing of the system will ensure electrical isolation from the internal circuitry All sensory inputs will contain output protection circuitry to eliminate risks to the user All inputs and outputs to the system will be shielded and protected from external static voltage sources c Emission T he system will not emit or be affected by any form of electromagnetic radiation The system will not effuse carbon based emissions rendering it compliant with the 1997 Kyoto Summit on Global Warming Copyright 1999 Smart Sense Innovations 10 SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification RELIABILITY REQUIREMENTS The MAPSS system will meet the following reliability requirements a Accuracy Accuracy and response times are highly dependent on the performance and reliability of the underlying mobile paging and telephone networks According to 1997 CRTC regulations wireless service providers must limit their annual down time to less than 6 hours However this figure does not include the inability to compose a call when the mobile phone is physically outside of the network coverage area An independent MA PSS system operating within the coverage range of a functional wireless service will have a response of 90 This means 9 out of 10 times the unique page will be encoded correctly and delivered to the user accordingly b Durability The POO PO system will be robust enough to withstand dail
19. y car security systems an attack on vehicle integrity is announced by a blaring siren flashing lights orperhapsa honking hom This hullaballo is supposed to attract attention to the car butthese daysnobody heedsa car alarm Worse still what if you re on a hot date and you have to go outof earshot of the car With a conventional alarm system you have Hobson schoice leave yourcareffectively unprotected think your neighbours gonna care about your wheels or miss out on maybe the only lovin you ll get that month The Mobile Alarm Paging Security System MAPSS putsan end to these dilemmasby putting security right in your pocket making sure that the next time you come backto your car you ll be happy to see it MAPSS will even tell you what kind of attack isbeing made on your car so you can fully assessthe situation There s more too MAPSS also alerts you when you ve left your headlights on After all there s no greater mood killer than having to call a tow truck Okay so I want Mobile Alarm Paging and Ke paid my 699 95 so how do I use it Ensure you have MAPSS professionally installed so you can have accessto our warranty protection and technical support Otherwise if something goes wrong we ll just hang up on you Once the MAPSS unit has settled down and is happily residing in your car it stime to put it to work Operating yourMAPSS is as easy as 1 2 3 Directions 1 T m on your MAPSS system The power
20. y use for a minimum of two years Since the system will be stored and located in a car trunk it will be designed to withstand the vibrations that exist inside a non insulated trunk Copyright 1999 Smart Sense Innovations 11 SMART SENSE innovators Mobile Alarm Paging Security System Functional Specification STANDARDS The MAPSS system will comply with UL CSA and CE standards TRAINING The user of the POO PO system will be required to program the telephone number of the pager that Will be dialed For this purpose a simple manual will be written that will highlight the functionality and usage of the keypad interface A copy of this manual will also be made available on the World Wide Web for future reference POTENTIAL SYSTEM LIMITATIONS The MAPSS system will be limited by the following factors 1 Only one page can be delivered to the car owner at one time Multiple signals will be cued in a first in first out manner 2 Only one phone number can be programmed into the user interface module at one time Subsequently only one phone number can be dialed 3 Operation is physically limited to locations of cellular network coverage Copyright 1999 Smart Sense Innovations 12 SMART SENSE inmoraiiens Mobile Alarm Paging Security System Functional Specification CONCLUSION This document has discussed the functional considerations of building an operational prototype for a mobile paging car security system The MA
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