Class-8 Heavy Truck Duty Cycle Project Final Report - Center for ...

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e) Alter the id, mask, value, etc. as necessary. Descriptions of these values follow. NOTE: The length of the mask must be the same as the length of the value or the eDAQ will crash. 4) When finished click Save File and close the web browser. The database will be listed as a configuration option the next time the hardware is queried. General Explanation of Database Setup id – the eDAQ’s 12-character identification; may include a-z, A-Z, 0-9, and _, but must start with a letter interface – should be the appropriate connection depending on what is used; for example: VBOX CAN AirWeigh J1708 mask – often 0x87FF; keep previous values if adding a row; if starting “from scratch” (as with AirWeigh), the use of 0xFFFF is recommended; this value must be the same length as the value value – identifies which “row” in the data stream (view data in text file) is being used for the data; first four hexadecimal characters (e.g., 0x0301 for some VBOX parameters, 0xE1FE for some AirWeigh parameters, etc.) description – a brief description assigned to the channel, up to 64 characters bitpos – the starting bit for the data bitlength – the number of bits assigned to that data units – the units that will be displayed for the value offset – the offset value for the data; often 0 scale – the number the data sent must be multiplied by in order to get the value that the data represents min – the minimum value that data will represent max – the maximum value that data will represent dataformat – options: signed most significant byte (MSB), unsigned most significant byte (UMSB), signed least significant byte (SLSB), unsigned least significant byte (ULSB) request – the message sent by the eDAQ to request specified information from the instrument, usually in the format 0xAC____; D-70
AirWeigh_Alone.txt J1708 Database File id interface mask value description bitpos bitlength units offset scale min max dataformat request SterAWID J1708 0xFFFFFFFF 0xE1EA1138 Steer AirWeigh Serial Number - 16 LS bits 128 16 NA 0 1 0 100000000 ULSB 0xF580EAE1 DrivAWID J1708 0xFFFFFFFF 0xE2EA1138 Drive Air Weigh Serial Number 128 24 NA 0 1 0 100000000 ULSB 0xF580EAE2 TrlrAWID J1708 0xFFFFFFFF 0xE3C009F3 Trailer AirWeigh Serial Number - 16 LS bits 64 16 NA 0 1 0 100000000 ULSB 0xF580F3E3 SterAxWt J1708 0xFFFFFF 0xE1FF99 Steer Axle Weight 24 16 lbs 0 4 0 300000 ULSB 0xAC001F DrivAxWt J1708 0xFFFFFF 0xE2FF99 Drive Axle Weight 24 16 lbs 0 4 0 300000 ULSB 0xAC001F TrailrWt J1708 0xFFFFFF 0xE3FF99 Trailer Axle Weight 24 16 lbs 0 4 0 300000 ULSB 0xAC001F NOTES 1) For the request fields for the serial numbers, the eDAQ is obtaining the information from the AirWeigh unit by mimicking the display. 2) The request fields for the weights are irrelevant, serving only as placeholders; weight data is automatically sent to the display. 3) The AirWeigh manual cautions that values should not be queried at rates greater than 10 Hz. VBOX_and_Volvo.txt J1939 Database File id interface mask value description bitpos bitlength units offset scale min max dataformat receivers packetname bytecount transmitter Lateral_acce CAN 0x87FF 0x0304 Lateral_acceleration 64 16 G 0 0.01 -327.68 327.67 SMSB VBOX_II VBOX_4 8 VBOX_II D-71
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Class-8 Heavy Truck Duty Cycle Proj
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Vehicle Systems Program ORNL/TM-200
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2.7 LAUNCH OF THE FOT (OCTOBER 23,
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40 Connection and Support Structure
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LIST OF TABLES Table Page 1 Pilot T
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ACKNOWLEDGEMENTS The Oak Ridge Nati
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Sixty channels of data were collect
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xviii
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The data analyses performed in Phas
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Fig. 2. HHDDT Transient Mode In add
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vehicle; 3) a transit bus; 4) a nei
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payload and accessory load would al
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Data # Performance Measure Benefit
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Data # Performance Measure Benefit
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Fig. 10. NGK NOx/O2 Sensors Fig. 11
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1.3.4 De-instrumentation: Following
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Fig. 16. Pilot Test North-South Rou
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GPS information collected with the
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2.1 REVIEW OF PERFORMANCE MEASURE R
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2.3.2 Performance Measures Fig. 18.
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Signal Sensor 53 Road Grade Calcula
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2.3.6 Tractor and Trailer Details F
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determined that the particular CANo
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Cable runs to and from sensors were
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2.8 CONDUCTION OF FOT The FOT laste
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3. INTERNET DATA ACCESS TOOL The HT
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Fig. 30. Search Results The file se
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When the button “Extract Data”
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Data Fig. 33. Segment Merging In ad
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Fig. 36 shows the synthetic cycle g
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Fig. 39. A Synthetic Duty Cycle wit
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tractors) as well as the maximum to
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vehicle was carrying a heavy load o
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Vehicle Speed [mph] Vehicle Speed [
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5.2 REAL-WORLD DUTY CYCLES Informat
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Vehicle Speed [mph] 70 60 50 40 30
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Given the size and complexity of th
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data or out-of-range data. Therefor
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6.1.1 Spatial Information Using the
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For those cases in which an instrum
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Fig. 56. DCGenT Prototype Search Cr
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at constant speed. Parameters m, b,
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weight. Notice that, as expected, m
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the loss of information, and conseq
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consumption per unit of distance tr
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q q ( − ) ( feb'− feb) 100 '
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Table 15. General Statistics: Total
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70% 60% 50% 40% 30% 20% 10% 0% Idli
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Fig. 68. All Trips with Dual Tires
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The almost 700,000 miles logged dur
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Frequency 300 250 200 150 100 50 0
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Speed [mph] 80 70 60 50 40 30 20 10
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vehicle is hauling light or heavy l
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Frequency 350 300 250 200 150 100 5
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A summary of the statistics describ
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analysis controlling for the type o
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6.3.2.4 Summary of Fuel Efficiency
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Lesson Learned: A technology progre
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Lesson Learned: Adding external sen
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know if the vehicle was “filled u
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8. SUMMARY OF RESULTS AND CONCLUSIO
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9. FUTURE DIRECTIONS The Heavy Truc
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Appendix A PILOT TEST LETTER REPORT
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1.0 BACKGROUND 2.0 PROJECT OVERVIEW
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ACKNOWLEDGEMENTS The authors wish t
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evaluate the data collection system
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performance of their next generatio
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March and provided to the ORNL Prog
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Between January, 2005 and May, 2005
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Figure 4: NGK Sensor Figure 5: Omeg
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o Date and Time o Wind Speed o Wind
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Figures 28 through 31 show the ball
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Figure 22: Airweigh System Figure 2
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DVD. Figures 35 and 36 show some of
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3.3.7.1 Pre-Analysis Efforts: As th
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Task 1: Identification of Fleet(s)
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Data # Performance Measure Performa
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Sensor or eDaq Performance Performa
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45 46 47 48 49 50 51 52 53 Measure
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Data # 62 63 64 65-67 68-69 70-71 7
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Data # Performance Measure 87 Headi
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Appendix A-B Final Pilot Test Plan
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• DAS/sensor suite/cabling operab
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9 10 11 12 13 14 15 Lateral Velocit
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34 Rain Intensity 35 36 37 38 39 40
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59 60 61 62 63 64 65-67 68-69 70-71
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85 Longitude 86 Velocity 87 Heading
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3.2 Sensors The PMs listed in Table
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vehicles will be dedicated to the p
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DATE TEST ENGINEER: DRIVER: DEPARTI
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Jim Ridge, Dana Product Engineer, w
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Table 5.1 October Route and Schedul
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Table 5.2 December Route and Schedu
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Appendix A-C Field Test Signals 64
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9 Performance Measure Performance M
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Performance Measure 25 Rain Duratio
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Letter Report SUMMARY OF RELEVANT H
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Sensor or Performance Data Sensor o
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GAWR 44 lb AirWeigh 5800 Road Surfa
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Appendix B SCHRADER MEMORANDUM OF U
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MOU-UTB-2007001 Schrader Trucking C
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MOU-UTB-2007001 Schrader Trucking C
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Appendix C FIELD OPERATIONAL TEST P
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Collection, Analysis, and Archiving
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4.0 APPROACH Phases 2 and 3 of the
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Signal Sensor 60 Tractor-Trailer Ma
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Schrader Trucking will provide six
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Sensitive Information] [Partner Sen
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4.6 Sensor and DAS Integration to T
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5.5 Vehicle Deployment Methodology
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Start address: 2360 Cherahala Blvd
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Figure 6.2: Schrader Shop, Far Left
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Figure 6.7: eDAQ Lite with two Vehi
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6.5 Safety Information For Student
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Appendix D SYSTEM DESIGN AND OPERAT
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TABLE OF CONTENTS Collection, Analy
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9.1.2. Shutdown Procedure 9.1.3. SI
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Signal Sensor 26 Cruise Control Acc
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Figure 4.1: Air-Weigh System Compon
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4.5. EDAQ The eDAQ Lite is connecte
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the equipment inside from overheati
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5.4. Weather Station Connections Fi
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Figure 5.5.3: VBOX Cable Table 5.5.
Page 264 and 265: Figure 6.3: Weather Station Locatio
Page 266 and 267: 6.6 Power Supply Use a second cable
Page 268 and 269: can also be changed from this windo
Page 270 and 271: on and the yellow light should begi
Page 272 and 273: Figure 7.1.3-1: Weather Station and
Page 274 and 275: Speed unit: m/s Sampling frequency:
Page 276 and 277: iii) Click on Browse to find and op
Page 278 and 279: c) Power Controller (Power) - no co
Page 280 and 281: 1) Select the Transducer and Messag
Page 282 and 283: Figure 7.2.4-2: Adding Transducer C
Page 284 and 285: Figure 7.2.4-3: Editing DIO Vehicle
Page 286 and 287: A. Changing Units - Converting tran
Page 288 and 289: C. Coordinates - Assign correct sig
Page 290 and 291: switch) Table 7.2.5: Contents of Ti
Page 292 and 293: Trigger Delay Setup: Check Enable d
Page 294 and 295: Figure 7.2.5-6: Time Base Shifter S
Page 296 and 297: Units: Full Scale Estimate - Min: 0
Page 298 and 299: Figure 7.2.6-2: Burst History Data
Page 300 and 301: Press Ctrl+3 (or click Run in the T
Page 302 and 303: 8.2. Procedures for Heavy Truck Dut
Page 304 and 305: d) Turn on the ignition. e) Turn on
Page 306 and 307: 4) Change the IP address field to t
Page 308 and 309: 5) Check to see that the computer c
Page 310 and 311: e) When all SIC files have been sav
Page 312 and 313: 4) To verify the time setting, go t
Page 316 and 317: Longitudinal CAN 0x87FF 0x0304 Long
Page 318 and 319: ULSB 0x98EAFFFBC1FE00 MaxVehSpLm CA
Page 320 and 321: Figure 9.1.6-2: Performing a ColdSt
Page 322 and 323: Table 9.2.2-1: Descriptions and Uni
Page 324 and 325: Channel ID Sensor Format Integer? P
Page 326 and 327: Channel ID eDAQ Invalid Data Value
Page 328 and 329: Channel ID Resolution Accuracy Note
Page 330 and 331: 9.3. Appendix C: Additional DAS Not
Page 332 and 333: e replicated and saved as five iden
Page 334 and 335: 2) Type in “cmd” 3) Type “ipc
Page 336 and 337: Producing multiple setup files 1) G
Page 338 and 339: 9.4. Appendix D: Checklists and For
Page 340 and 341: D-96
Page 342 and 343: 9.5. Appendix E: References and Web
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Page 349 and 350: E-7
Page 351 and 352: E-9
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E-23
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E-25
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E-27
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E-29
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E-31
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E-33
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E-35
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E-37
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E-39
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E-41
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