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Blind spot indication system

Technical Articles July 19, 2018

Blind spot detection

Blind spot detection systems assist drivers by warning them when vehicles, pedestrians or cyclists are passing through areas where driver vision is restricted. This type of warning system is particularly useful when coupled with lane-keeping ADAS technology as it helps to prevent collisions when driving on multi-lane roads, but also has applications in city driving.

To test and develop blind-spot detection systems, it is necessary to accurately measure the position and trajectory of targets relative to the vehicle under test (VUT). Engineers can then evaluate the effectiveness of the system by defining areas of restricted visibility and measuring the system’s response as targets enter into it.

What the RT and RT-Range delivers

  • Relative accuracy 2 cmRT and RT-Range
  • Heading accuracy 0.1°
  • Free post-processing software
  • Ability to track multiple objects in real-time
  • Perfectly suited to open-road testing

Testing Blind Spot Detection systems with the RT-Range

Getting the measurements you need

To evaluate blind-spot detection systems, an RT inertial navigation system and RT-Range Hunter are installed in the vehicle under test. Additional RTs are installed in vehicle or pedestrian targets before multiple scenarios are tested. For real-time testing, range measurements from the RT-Range Hunter can be output via Ethernet or CAN or data can be logged internally and analysed back at base where it can be post-processed and exported in CSV format.

The measurements available from the RT-Range Hunter include bearing to targets, ranges, time-time collisions and distance to lane markings (these need to be surveyed and uploaded to the RT-Range Hunter). In after post-processing the measurements, it will be possible to evaluate the performance of the system based on the visibility of the target to the blind-spot detection systems.

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