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

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Signal Sensor 26 Cruise Control Accelerate Switch J1939 Vehicle Data Bus 27 Cruise Control Resume Switch J1939 Vehicle Data Bus 28 Cruise Control Coast Switch J1939 Vehicle Data Bus 29 Cruise Control Set Switch J1939 Vehicle Data Bus 30 Battery Electrical Potential (Voltage) J1939 Vehicle Data Bus 31 Tractor Drive Axles Weight Air-Weigh 32 Tractor Steer Axle Weight Air-Weigh 33 Trailer Weight Air-Weigh 34 Tractor Serial Number Air-Weigh 35 Trailer Serial Number Air-Weigh 36 Latitude VBOX 37 Longitude VBOX 38 Altitude VBOX 39 Vertical velocity VBOX 40 Velocity over ground VBOX 41 Longitudinal acceleration VBOX 42 Lateral acceleration VBOX 43 Heading VBOX 44 Satellites VBOX 45 Time UTC VBOX 46 Wind Speed Weather Station 47 Wind Direction Weather Station 48 Rain Intensity Weather Station 49 Barometric Pressure Weather Station 50 Air Temperature Weather Station 51 Relative Humidity Weather Station 52 Tire Flag Calculated from Air-Weigh data 53 Road Grade Calculated from VBOX data 54 Placeholder B none 55 Placeholder C none 56 Placeholder D none 57 Placeholder E none 58 Stationary Latitude Calculated from VBOX data 59 Stationary Longitude Calculated from VBOX data 60 Tractor-Trailer Marriage Calculated from Air-Weigh data 3. LIST OF EQUIPMENT The following equipment is used to acquire the data. Table 3.0: List of Equipment D-8
Equipment Quantity Product Name Air-Weigh Tractor Scale 6 Air-Weigh 5800 Series Tractor Scale Air-Weigh Trailer Scale 10 Air-Weigh 5800 Series Trailer Scale Weather Station 6 Vaisala Weather Transmitter WXT510 VBOX 6 Racelogic VBOX II Lite Truck with J1939 Data 6 2005 Volvo VNL Bus eDAQ 6 SoMat eDAQ-lite Laptop Computer 1 ACER TravelMate 4202WLMi Notebook 4. OVERVIEW OF SENSORS, LOCATION, AND COLLECTION METHODOLOGY Each of the six trucks is instrumented to access four sources of data (Air- Weigh, Weather Station, VBOX, and Vehicle Data Bus) connected to a central data storage unit - the eDAQ. Data is retrieved approximately biweekly from each eDAQ using a laptop computer. The following is an overview of each component of the system. 4.1. Air-Weigh The Air-Weigh system measures steer, drive, and trailer axle weights through pressure measurements in the vehicle suspension system. It also provides serial numbers for tractor and trailer identification. The data from the Air- Weigh follows the J1708 communication protocol and is accessed by tapping into the display wiring in the dashboard fuse panel. The instrumented tractors and trailers are part of a drop-and-hook operation in which the trailer that is paired with a particular tractor often changes. The Air-Weigh trailer scale sends data to the tractor over existing power cables, eliminating the need for additional wiring connections during a trailer change. The six instrumented tractors are paired with trailers from a pool of about 150. ORNL does not have control over which trailer is paired with which tractor. To increase the chances that an instrumented trailer is paired with an instrumented tractor, four more trailers than tractors are instrumented with Air-Weigh trailer scales. D-9
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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
Page 202 and 203: Letter Report SUMMARY OF RELEVANT H
Page 204 and 205: Sensor or Performance Data Sensor o
Page 206 and 207: GAWR 44 lb AirWeigh 5800 Road Surfa
Page 211: Appendix B SCHRADER MEMORANDUM OF U
Page 214 and 215: MOU-UTB-2007001 Schrader Trucking C
Page 216 and 217: MOU-UTB-2007001 Schrader Trucking C
Page 219: Appendix C FIELD OPERATIONAL TEST P
Page 222 and 223: Collection, Analysis, and Archiving
Page 224 and 225: 4.0 APPROACH Phases 2 and 3 of the
Page 226 and 227: Signal Sensor 60 Tractor-Trailer Ma
Page 228 and 229: Schrader Trucking will provide six
Page 230 and 231: Sensitive Information] [Partner Sen
Page 232 and 233: 4.6 Sensor and DAS Integration to T
Page 234 and 235: 5.5 Vehicle Deployment Methodology
Page 236 and 237: Start address: 2360 Cherahala Blvd
Page 238 and 239: Figure 6.2: Schrader Shop, Far Left
Page 240 and 241: Figure 6.7: eDAQ Lite with two Vehi
Page 242 and 243: 6.5 Safety Information For Student
Page 245: Appendix D SYSTEM DESIGN AND OPERAT
Page 248 and 249: TABLE OF CONTENTS Collection, Analy
Page 250 and 251: 9.1.2. Shutdown Procedure 9.1.3. SI
Page 254 and 255: Figure 4.1: Air-Weigh System Compon
Page 256 and 257: 4.5. EDAQ The eDAQ Lite is connecte
Page 258 and 259: the equipment inside from overheati
Page 260 and 261: 5.4. Weather Station Connections Fi
Page 262 and 263: 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
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8.2. Procedures for Heavy Truck Dut
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d) Turn on the ignition. e) Turn on
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4) Change the IP address field to t
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5) Check to see that the computer c
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e) When all SIC files have been sav
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4) To verify the time setting, go t
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e) Alter the id, mask, value, etc.
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Longitudinal CAN 0x87FF 0x0304 Long
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ULSB 0x98EAFFFBC1FE00 MaxVehSpLm CA
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Figure 9.1.6-2: Performing a ColdSt
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Table 9.2.2-1: Descriptions and Uni
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Channel ID Sensor Format Integer? P
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Channel ID eDAQ Invalid Data Value
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Channel ID Resolution Accuracy Note
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9.3. Appendix C: Additional DAS Not
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e replicated and saved as five iden
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2) Type in “cmd” 3) Type “ipc
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Producing multiple setup files 1) G
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9.4. Appendix D: Checklists and For
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D-96
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9.5. Appendix E: References and Web
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E-3
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E-5
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E-7
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E-9
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E-11
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E-13
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E-15
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E-17
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E-19
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E-21
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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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