lira annual seminar in-vehicle sensor data: a close view
TRANSCRIPT
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
In-vehicle sensor data: a close view
LiRA annual seminar
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
In-vehicle data
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Installation of IoT device
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AutoPi
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Can bus raw data
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1F8#0204FFEFFE00000D
5DE#0000000001000040
17A#FFFFFFAA00F031A3
42E#4E3FD0DC6405C039
17E#FFFFFF00FF4000FF
130#00486FFE009FFEAD
186#00003203200020
12E#C77FFC7FD0FFFF00
242#0200FFEFFE000C
ID
(hex) startBit endBit resolution offset decimals unit
options
(hex see MainActivity for definitions)
0c6 0 15 1 32768 1 ° ff Steering Position
0c6 16 31 1 32768 1 °/s ff Steering Acceleration
0c6 32 47 1 32768 1 ° ff SteeringWheelAngle_Offset
12e 0 7 1 198 0 ff LongitudinalAccelerationProc
12e 8 23 1 32768 0 ff TransversalAcceleration
12e 24 35 0.1 2047 1 deg/s ff Yaw rate
130 20 31 1 4094 0 Nm ff ElecBrakeWheelsTorqueRequest
130 44 55 -3 4094 0 Nm ff DriverBrakeWheelTq_Req
17a 48 63 0.5 12800 1 Nm ff Estimated Wheel Torque
186 0 15 0.125 0 2 rpm ff Engine RPM
186 16 27 0.5 800 1 Nm ff MeanEffectiveTorque
• More than 350 parameters currently available on https://github.com/fesch/CanZE
• 50 parameters selected for first phase of LIRA
• Sensor location and configuration not always known
LibraryRaw data stream
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view 5
• 2.5 km section
in the City of
Copenhagen
• Three GM cars
driving as a
platoon behind
the P79
profilometer
• External
sensors for
validation and
analysis
GPS track - GM car no. 2
Car data collection
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Selecting sensors
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Location Weather
VibrationsTire
pressure,
weight,
consumption
, torque,
RPM, speed
etc.
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Road profile and vertical acceleration
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Road profile and vertical acceleration vs. speed
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2-4 m/s 3-6 m/s 5 m/s
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
3-axis accelerometer
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
GPS sensor
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Can bus data1/2
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Can bus data2/2
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view 13
Does it make
sense?
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Accelerations (AutoPi versus Can)
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Can versus Can data
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Sensor sampling rates
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DTU Civil Engineering9 December 2020 In-vehicle sensor data: a close view
Thank you!
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