Vehicle Measurement System (VMS)


The A&D Vehicle Measurement System is a collection of embedded controllers and high-accuracy sensors acquiring synchronized vehicle dynamics test data under various real-world conditions. It is completely modular and scalable, and can be configured to include only the sensors required for a specific application. Third-party sensors can also be incorporated.

Some of the example sensors that can be included are as follows:

  • A&D Wheel Force Sensor (WFS) – obtain all three components of forces and moments acting on the wheels
  • A&D Wheel Position Sensor (WPS) – obtain the motion of the wheel in all six degrees of freedom
  • A&D Laser Ground Speed Sensor (LGS) – obtain dynamic pitch, camber angles, and side-slip angles
  • GPS Sensor - obtain latitude, longitude and altitude position of the vehicle
  • Inertial Sensor – obtain roll, pitch and yaw accelerations of the vehicle
  • Wind Sensor – obtain the direction of wind with respect to the vehicle, wind speed, wind temperature
  • In-vehicle Network – obtain information from vehicle ECU such as engine speed, throttle and brake information, current gear, coolant temperature, etc.
  • Temperature Sensors – obtain ambient, vehicle and tire temperatures

Example Applications

  • Calculation of road slope
  • Road coefficient of friction estimation
  • Road load coefficients estimation including on-road rolling resistance
  • Data for tire modeling
  • Vehicle parameter estimation
  • Vehicle benchmarking
  • Rapid control prototyping of vehicle controllers
  • Vehicle performance testing: torque vectoring, brake testing, hybrid powertrain testing, etc.

Image/Video Gallery

Vehicle Measurement System (VMS) Vehicle Measurement System (VMS) for HEV

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