Wheel speed sensor system

Wheel speed sensor system

Traffic congestion continues to grow as do the number of more and more powerful motor vehicles entering the marketplace; these are just two features affecting the current situation on the road. This development is posing ever greater demands on both people and vehicles. While it may be more complicated to influence the “human” factor, there have been a host of so-called “driver assistance systems " integrated into the motor vehicle.

Especially in the area of braking systems and stability management systems, technical developments have advanced a long way. Systems like ABS and ESP have long become standard equipment in new vehicles. In many cases the customer can additionally choose radar-assisted automatic cruise control or adaptive steering systems for example. All of these systems have one thing in common; they need to have the vehicle’s speed or the rotating speed of the individual wheels as input variables.

To achieve this, wheel speed sensors are used to measure the speed of the individual wheels and transmit this data to the ABS control unit, for example. Since this sensor technology has also continued to advance, it is necessary to understand how the various systems differ and to learn system-neutral diagnostics strategies.

List of articles:
1
Course Automotive 28: Wheel Speed Sensor Technology
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