Vehicle Data Logger User Manual A Sponsored
Contents
1. 1362 002 006 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 16 0 01 0 16 1362 002 006 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 16 0 02 0 16 1362 006 006 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 18 0 03 0 17 1362 006 006 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 18 0 03 0 19 1362 006 006 04 19 2007 08 32 03 28 24 7507990 N 081 14 465100 w 19 0 04 0 20 1362 006 006 O4 19 2007 08 32 03 28 24 750799 N OBL e w 255 p 0 20 1412 006 OOR 04 16 2007 08 32 03 28 24 750799 N 081 14 465100 w 4 O 4 0 20 1412 006 006 Figure 6 A Proper Data Log Fie In an instance where the date and time cannot be retrieved from the GPS due to no connection or lack of a GPS lock a random four digit number will be created from the four most significant digits of the microcontroller s timer This number will be prefaced with either DLOG data log or PLOG picture log Below is an example of such a file DLOG1078 Notepad PE UTC Time UTC PositiontfLat Lon vaw Accel x y OBDCRPM Speed Throttle A 00 00 0000 00 00 00 00 00 000000 0 000 00 000000 0 00 0 00 0 00 0000 000 000 E 00 00 0000 00 00 00 00 00 000000 0 000 00 000000 0 00 0 01 0 01 0000 000 000 00 00 0000 00 00 00 00 00 000000 0 000 00 000000 0 00 0 01 0 01 0000 000 000 00 00 0000 00 00 00 OO 00 000000 0 000 00 000000 0 00 0 01 0 012. the accelerometer The VDL will remain in standby only monitoring the accelerometer until a jump in acceleration is detected If detected the system will reset itself and begin from the boot sequence and begin the cycle anew 6 Data Output Data polled from the different sensors is constantly off loaded to a file which is created on the SD card upon VDL boot up One file is created strictly for sensor data and the other for picture data The end user can differentiate between the two by the file name s prefix DL for data log and PL for picture log Following this prefix are three sets of numbers The first set is the day of the month the second set is the hour of the day and the last set is minutes Both files will have the same six digit number Below is a sample of a data log taken during testing PB DL190831 Notepad Sel File Edit Format View Help UTC Time UTC PositionfLat Lon vaw accelcx y a AI 04 19 2007 08 32 02 28 24 749908 N 081 14 453700 w 06 0 03 0 09 135 002 006 04 19 2007 08 32 02 28 24 749008 N 081 14 453700 w 10 0 02 0 10 1362 002 006 04 19 2007 08 32 02 28 24 749998 N 081 14 463700 w 10 0 02 0 12 1362 002 006 5 04 19 2007 08 32 02 28 24 749998 N 081 14 463700 w 12 0 01 0 13 1362 002 006 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 12 0 00 0 14 1362 002 006 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 15 0 00 0 14
3. 0000 000 000 00 00 0000 00 00 01 OO 00 000000 0 000 00 000000 0 00 0 01 0 01 0000 000 000 00 00 0000 00 00 01 OO 00 000000 0 000 00 000000 0 00 0 01 0 01 0000 000 000 00 00 0000 00 00 01 00 00 000000 0 000 00 000000 0 00 0 01 0 01 0000 000 000 00 00 0000 00 00 01 00 00 000000 0 000 00 000000 0 00 0 01 0 01 0000 000 000 00 00 0000 00 00 01 00 00 000000 0 000 00 000000 0 00 0 01 0 01 0000 000 000 00 00 0000 00 00 01 00 00 000000 0 000 00 000000 0 00 0 01 0 01 0000 000 000 00 00 0000 00 00 01 00 00 000000 0 000 00 000000 0 00 0 01 0 00 0000 000 000 00 00 0000 00 00 01 DA 00 000000 0 000 00 000000 0 00 0 01 0 00 0000 000 000 00 00 0000 00 00 01 00 00 000000 0 000 00 000000 0 00 0 01 0 01 0000 000 000 00 00 0000 00 00 02 00 00 000000 0 000 00 000000 0 00 0 01 0 00 0000 000 000 00 00 0000 00 00 02 00 00 000000 0 000 OO 000000 00 0 a 0 00 0000 000 000 00 00 0000 00 00 02 00 00 000000 0 000 00 000000 0 00 0 0 00 0000 000 000 Figure 6 B Data Log File without GPS lt should also be noted without GPS data the UTC Time column of the data log will be filled with a second timer The picture log file is formatted with a time stamp followed by a variable amount of hex digits representing the jpeg image taken by the camera module As you can see below the format of the picture log is not meant to be reader friendl
4. 0987 008 005 pF13E32336 04 19 2007 08 32 06 28 24 749102 N 081 14 471101 w 21 0 07 0 25 0987 008 000 MS 06442384 04 19 2007 08 32 07 28 24 746901 N O81 14 471601 w 21 0 07 0 25 0987 008 000 900211031 04192007073342 pg 04 19 2007 08 32 07 28 24 746901 N O81 14 471601 w 21 0 07 0 25 0987 008 000 pLBEAE 7204 04 19 2007 08 32 07 28 24 746901 N 081 14 471601 w 20 0 07 0 25 0987 009 000 EA 04 19 2007 08 32 07 28 24 746901 N 081 14 471601 w 20 0 07 0 25 0987 009 000 Pee 04 19 2007 08 32 07 28 24 746901 N 081 14 471601 w 21 0 07 0 25 0987 009 000 506070800 04 19 2007 08 32 07 28 24 746901 N 081 14 471601 w 20 0 07 0 25 0987 009 000 PD517866 04 19 2007 08 32 07 28 24 746901 N 081 14 471601 w 20 0 07 0 25 1037 009 000 DD154A06d 04 19 2007 08 32 07 28 24 746901 N O81 14 471601 w 21 0 07 0 25 1037 009 000 S7AFAGGB3 04 19 2007 08 32 07 28 24 746901 N O81 14 471601 w 21 0 07 0 25 1037 009 000 5524 DDCOC 04 19 2007 08 32 08 28 24 744699 N O81 14 470799 w 20 0 07 0 25 1037 009 000 DC3AF507FA4 04 19 2007 08 32 08 28 24 744699 N 081 14 470799 w 20 0 07 0 26 1037 009 001 01020304 04 19 2007 08 32 08 28 24 744699 N 081 14 470799 w 20 0 07 0 26 1037 009 001 04 19 2007 08 32 08 28 24 744699 N 081 14 470799 w 20 0 07 0 26 1037 009 001 04 19 2007 08 32 08 28 24 74
5. 4699 N 081 14 470799 w 20 0 07 0 26 1037 009 001 04 19 2007 08 32 08 28 24 744699 N 081 14 470799 w 20 0 08 0 27 1037 011 001 04192007073346 tpg 04 19 2007 08 32 08 28 24 744699 N 081 14 470799 w 20 0 08 0 27 1037 011 001 04 19 2007 08 32 08 28 24 744699 N 081 14 470799 w 21 0 08 0 28 1037 011 001 Dona 04 19 2007 08 32 08 28 24 744699 N 081 14 470799 w 21 0 08 0 28 1049 011 001 04 19 2007 08 32 09 28 24 743101 N 081 14 468600 w 22 0 08 0 29 1049 011 001 04 19 2007 08 32 09 28 24 743101 N 081 14 468600 w 22 0 08 0 29 1049 011 001 04 19 2007 08 32 09 28 24 743101 N 081 14 468600 w 22 0 08 0 29 1049 011 001 04 19 2007 08 32 09 28 24 743101 N 081 14 468600 w 23 0 08 0 30 1049 011 001 04 19 2007 08 32 09 28 24 743101 N 081 14 468600 w 24 0 08 0 32 1049 011 001 04 19 2007 08 32 10 28 24 742701 N 081 14 465800 w 24 0 08 0 34 1049 011 001 04 19 2007 08 32 10 28 24 742701 N 081 14 465800 w 23 0 08 0 34 1099 011 001 04 19 2007 08 32 10 28 24 742701 N 081 14 465800 w 24 0 07 0 33 1099 011 003 04 19 2007 08 32 10 28 24 742701 N 081 14 465800 w 24 0 08 0 33 1099 011 003 lt Table of Contents 1 Device Overview nennen 3 2 Placement esses nnns 3 3 Removable Media eene 4 4 Enclosure eese HR m
6. 59EB568024091 55D60C4B024FD3D44F42723D04F 54051488595 64B11E07F54E1059D04 305 5DB0D ADCFDAS4BE amp AFFUOBBAIESA7 ZUE BBDA4BCIB2BEFC3A7 ZBDDFABLFF7DOAF AB 20934 AAD14 F4 R15 F DAE SLOGRD4I ELA I AAC FBBOOS ATE BSesBOs 0960 FEB 704 7504 53B0EC53501081029955666520336E4 544 50C5E70484FE14 4048841 2FBEABSFA SASF IASBDLCASO6 5382 04 30112121216161630141 43 0644 2384264646464 64 64 64 64 64 64 64 AA AA 64 hd 4 A4 AA Ed 4d 5d Ad Ed Ed Ad ed hd AA Ad hd hd AA Ed Ad 64 i 1101031101FFDAD00cCO03010002110311003FO00ES5G6DADD542BBF24FOFAAES d4D52CA 5A CBFSACUSDB FBSCEAFD2BG34F67242FF F Figure 6 C Picture Log File To convert the picture log file into a set of time stamped jpeg images quickly reviewable use the following web application http kfiducia com SDP07 index php Simply use the browse button and select the location of the file requiring processing and click submit query The user will be notified when the file is successfully uploaded and a new link with the files name will be added to the list selecting process images next to your file will convert the text file into multiple jpegs for the user The figures below show the end result of the web application Mozilla Firefox E eyes File Edit View History Bookmarks Tools Help File Edit View History Bookmarks Tools Help n vm ad M e as LL http kfiducia com SDPO7 im v De Cl gator host 4 lt a x e ne http gt B Gl bg LU Pi Y p Lj Mahaz B W3 SunTrust Wacho
7. 7200 w 20 0 05 0 21 1412 006 006 Based 04 19 2007 08 32 04 28 24 751200 N 081 14 467200 w 20 0 05 0 23 1412 006 003 RADE 04 19 2007 08 32 04 28 24 751200 N O81 14 467200 w 21 0 06 0 22 1412 006 003 b2arazeszik 04192007073324 jpg 04 19 2007 08 32 04 28 24 751200 N O81 14 467200 w 21 0 07 0 20 1412 006 003 030204 03d 04 19 2007 08 32 04 28 24 751200 N O81 14 467200 w 22 0 08 0 19 1412 006 003 D D74B4 Boc d 04 19 2007 08 32 04 28 24 751200 N O81 14 467200 w 22 0 08 0 22 1412 008 003 D5A6F37EE 04 19 2007 08 32 04 28 24 751200 N O81 14 467200 w 22 0 08 0 24 1412 008 003 P3F98AaF 306 04 19 2007 08 32 04 28 24 751200 N O81 14 467200 w 22 0 08 0 25 1412 008 003 D36319FC24 04 19 2007 08 32 04 28 24 751200 N 081 14 467200 w 22 0 07 0 25 1412 008 003 D7CBOBlDC 04 19 2007 08 32 05 28 24 750601 N 081 14 469399 w 20 0 07 0 24 1462 008 003 50101010 04 19 2007 08 32 05 28 24 750601 N 081 14 469399 w 20 0 05 0 24 1462 008 005 BS67COFA74 04 19 2007 08 32 05 28 24 750601 N 081 14 460390 w 21 0 05 0 24 1462 008 005 DF9D7351F4 04 19 2007 08 32 06 28 24 749102 N 081 14 471101 w 21 0 05 0 25 1462 008 005 h4 DECCA EB 04 19 2007 08 32 06 28 24 749102 N 081 14 471101 w 21 0 07 0 26 0987 008 005 FA824E7DF 04 19 2007 08 32 06 28 24 749102 N 081 14 471101 w 21 0 07 0 26
8. BF5ACO3 04 19 2007 08 32 02 749998 N 081 14 463700 w 06 0 03 0 09 1362 002 006 ICCD131DCQ 04 19 2007 08 32 02 28 24 749998 N 081 14 463700 w 10 0 02 0 10 1362 002 006 Biaiaesee4 04192007073315 pg 04 19 2007 08 32 02 28 24 749998 N O81 14 463700 w 10 0 02 0 12 1362 002 006 57162198 04 19 2007 08 32 02 28 24 749998 N O81 14 463700 w 12 0 01 0 13 1362 002 006 58E488C7 24 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 12 0 00 0 14 1362 002 006 l SBB53CDFE 04 19 2007 08 32 03 28 24 750799 N O81 14 465100 w 15 0 00 0 14 1362 002 006 AD2D3D4D 50 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 16 0 01 0 16 1362 002 006 CFCADB3EG 04 19 2007 08 32 03 28 24 750799 N O81 14 465100 w 16 0 02 0 16 1362 006 006 BFAS 2 08DCF 04 19 2007 08 32 03 28 24 750799 N O81 14 465100 w 18 0 03 0 17 1362 006 006 PFFODAEA E 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 18 0 03 0 19 1362 006 006 R5 70l73ElF 04 19 2007 08 32 03 28 24 750799 N O81 14 465100 w 19 0 04 0 20 1362 006 006 PF BCAA 84 68 04 19 2007 08 32 03 28 24 750799 N O81 14 465100 w 19 0 04 0 20 1412 006 006 ee EE 04 19 2007 08 32 03 28 24 750799 N 081 14 465100 w 20 0 05 0 20 1412 006 006 EE 04 19 2007 08 32 04 28 24 751200 N 081 14 46
9. Kyle Fiducia Joshua Mal Graham Smith P PL190831 Notepad AE File Edit Format View Help 04 19 2007 08 31 56 FFDBFFEQ00114 Ad 64 9460001020304 050607 08090AFFDB004 300100COCOEOCOA100EO0EOE1212101418 9546364 65666768696A73 74 75767778797A8283 84 85 868788898492 93 94 95 969798999002 43 Ad A5A6A7ABA9AAB2B3B4B5B6B7B8E 6945 7EESEFEB58765367280F06B7EDE 564 87DBB1A604 FOCFB7724 BA3E51LF2D4 9E6054 2EBSDF8CO1 59D 99374 6D9C8E4D5CB 850BL3COF6ACF95D8895CE4 5B4 9F 363 53BO1L1CFE869816EEC4 388799E20FFO07B1CE F3AECG6CE3 894 ESC52E56B4 31654 ODODBBEGGEAF 3 54 DCF34 AD2 96F4 GF 706A32F 5601AC63640C6OBD3AF 54334904054 en OEFBFFEBD6C921294 5F530EDB4C96E6 544 89704 D7 51AGF87AO0B43BESC3BFA7ATEB5A36D6515ABF90 C803AE28F223F291C4 EACCD9CA007 2 BF 5E31CFB6697CB9A48E59950B2460176ECB93814C52F27COC6G OCOCOEOCOALOOEOEOE1212101418281A181616183224261E283A343E3C3A3438384 0485C4 E4044 584 A4ASAGA7ABADAAB2B3BAB5BGB7BBBOBAC2C3CACSCOC7CBCOCAD2D3D4D5D6D7D8DODAE2E3EAESEGE7E File Edit View History Bookmarks Tools Help AA AOENNANAREARSO D BOE NA O RANA N BAARAREA REA AL amp DFD6BD2D2dG na zm AB29B7B98 lt a s di P L http De IG 4 P DL190831 Notepad SAL B89578ABL Gl File Edit Format View Help 4813FDAE5 B87172F6EA I i UTC Time UTC Position Lat Lon yaw Accel x y OBDCRPM Speed Throttle Afac4646464 Lj Mahaz Mj w3 L SunTrust EE Wachovia L New BookmarkMC a a EE e ee mm ee OR eee ee eee PC
10. ecommended cable routing guide Cable Routing Guide Camera Module GPS Module Obdil Connector CPU Module Figure 2 A Cable Routing Guide 3 Removable Media The VDL uses a secure digital SD card to store data for the user The size of the SD card is up to the user but 2 GB is recommended to ensure at least fifty hours of data recording before the card reaches maximum capacity Refer to the image below for the SD modules location Microcontroller pe gt gt gt regs 4 Enclosure There are a few important notes on the VDL enclosure First the power switch for the enclosure keeps the device cool and prevents malfunctions Make sure this is switched on during device operation Second note the camera module power switch This is used to shut down the camera and stop picture logging to triple the amount of time the device can log other sensor data Third note the commonality of the camera module connector and OBD connector Never plug the OBD connector directly into the camera module This will result in permanent damage to the CMOS camera within the module See the following two figures for the locations of the discussed items Camera Power Switch Camera LED o a 4 System LED Figure 4 A Enclosures 5 User Interface For our user interface seven light emitting diodes LED are used One LED corresponds to each device The GPS yaw rate gyro accelerometer ELM327 uALFAT and camera LED s
11. s 5 User Interface sese HH 5 6 Data Output annen eenen enen 1 Device Overview Dr Papelis purpose in sponsoring this project was to provide real world data for his research His research is motivated by the 45 000 automobile accident deaths each year of which 90 involve driver error The device he requested us to design logs extensive amounts of data for studying driver behavior and developing metrics for driver performance The device is able to log GPS data OBDII data video acceleration and yaw rate All polled data is then off loaded to a secure digital SD card for the user to interpret Below is an image of the vehicle data logger VDL with the components that will be discussed in this manual Enclosure BD Connector A wu Device Motherboard Figure 1 A Component Overview 2 Placement To increase the accuracy of the VDL a low amp level center of gravity is required This minimizes invalid accelerometer data caused by automobile suspension play The device must also be close to the OBD port which is positioned a few inches from the steering wheel on a majority of vehicles Also the GPS on the device must be able to reach the roof of the vehicle and the camera housing needs to be attached to the driver s head rest Taking this into consideration the floor behind the driver s seat was chosen as the best location for running the GPS OBD connector and camera module Below is the r
12. twice to mark the end of the device check The boot sequence continues in this manner checking the yaw rate gyro accelerometer GPS and camera Last the VDL tests the uALFAT if no secure digital SD card is detected the system and uALFAT LED will flash repeatedly until a SD card is inserted With all devices checked and LEDs off each LED flashes one after the other to allow the user to ensure all LEDs are operational Then the boot report is provided via illuminating solid the LED of any device that failed testing Common Causes of Boot Errors GPS A Unplug and reconnect GPS module B Ensure GPS module has a clear unobstructed view of the sky Camera Module A Unplug and reconnect camera module B Ensure camera module power switch is set to on 1 ELM327 amp OBD A Unplug and reconnect OBD cable B Ensure vehicle is on UALFAT A Insert SD card Post boot sequence the VDL will enter its normal polling mode gathering data from all of its sensors and store that data to the SD card The VDL will proceed in this manner until either its power cable is unplugged from the OBD or the vehicle is shut off Since all of the devices are powered d by the vehicle s battery through the OBD connection unplugging it will shut down the VDL To prevent excessive power drain the VDL will detect the vehicle has been shut off from the RPM drop and in turn will put the device into standby This is indicated to the user by all but LEDs shutting off except
13. via New BookmarkMC AmEx Lj Mahaz B ws Lj SunTrust Wachovia Mew BookmarkMC gt gt MI com _ My Accou HOSTGAT P cPanel x Lj htt hp C AS 7 3 aaa e 04192007073315 jpg MIA gt gt 1 Boe Submit Query not running uploaded files view images size PLOG1039 TXT process images 59601 04192007073324 ipg PLOG1078 TXT process images 331743 PL190732 TXT process images 113936 3432 04192007073342 jpg Figure 6 D Web Application Process
14. will go solid if a hardware failure is encountered or flash rapidly during proper device usage The last LED is mounted with the camera in a separate housing and acts as an overall system indicator This was added so the driver can check the status of the device while driving All of the other LED s will be hidden from view while the device is behind the driver s seat during operation The system LED will flash during system boot to indicate the completion of each devices test If any device fails test the LED goes solid to indicate a non critical error if the SD module fails it will repeatedly flash till the SD card is inserted or enough room is made on the SD card If no error is encountered the indicator will turn off post boot up If during polling the SD card becomes full the system indicator will begin to blink repeatealy The device signals system status through its seven light emitting diodes LED Five reside on the motherboard and are dedicated to the GPS yaw rate gyro accelerometer ELM327 uALFAT and system with the last two located on the camera module and are dedicated to the camera and system Upon device power up the system will enter its boot sequence marked by the system LED blinking four times Next the connection with the ELM327 and vehicles on board diagnostic OBD system is checked The LED will flash during its boot up After completion of the ELM327 and OBD the corresponding LED will shut off and the system LED will flash
15. y but easy for a web based application to crunch the data quickly and easily into jpegs B PL190831 Notepad EE File Edit Format View Help FO4 18 2007 O8 37 56 FFOSFFE000114 44 64 9460001020304050607050590A4FFD6004 3001 00C0C0E0C041 O0E0E061 12101418 A 9546304065055 586596473 4 7576 PPR POP ARS RS Bd BOOK PRB ISAS AS Ad 95909 9899940203044 450460 ABADA B2B3B4B5B6B B8E 604E5EESEFEBI8765367280FOGB EDE 5648 DBBLASO4 FOCFBE 7 24 BAS ES1F2D40E6054 2EB80F8C01 590713259053 740D0C8E4D5CB 870B13C0F64C0F95D088950E4 SB49F 353 13BUL1LCFEBAOAS1AEEC4 3BB ABE2UFFOUFBLCEFFSAECBCES 89401 6E0904824 773504457 ER ESC 5265664 316 54 ADADBBEBBE4F 3 540CFS4 402 96F45F 06435 2F 691 Ah 64 DOCBABDSAF SAS 34 904054201 5506EE 2 SOAEBDA AT AS QOEFSFFEBDSC921 294 SF A3DEDBA4CAGEb 4489 0407 51 45FR 4064 3BEICSBFAAEBIASBDOI1 IAAF AD SEBSSSR6F R133 9DR441005 CSOSAEABF223F2A1CAEAFCDACADDOABFIESLCFEEEO CBAAA GES 9950824601 BECB93614C0 52 FL FCC E Sd BS DCUBALFE4S ZFAEAGAO cOCcOEQOCOATO0O0ED0EQ0ETl212101418281A181616183224261E283A343E3C3A3438384048504 EA 044 584 653838506E5258605268586t AdASA5A ABAGAABZ2B3BIBSBOB BSBOSBACZ2CSCACSC C CBSCBDCADZ2DS3DADSDASDZDSDGDAEZESEMESEGE ESEDEAFZF3FAJFS5FBF7FBFBF AA3AGEQDADJSFABS5O2SFDFl2AC ZBUEDdAS5CS528258ADAIE 35D 335BJABSFAC 7BFAAEdMAFTICODFDGBD2D2CADOEAC2 6864017 73311E511 CE3SIS8l4BB8B8A32E GCSEBCESOZEEEBA555 G32 01 EEA2BBSD2G8A4 B25 GlSlDDDOOlSCS 0FAS2GB BOBSC2356DCEAJOE2AFDBFSSOEST t A50F140E459F74446691505D880C 54
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