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What is the function of a wheel speed sensor?

1 Answers

OZoey

07/29/25 8:44pm

Wheel speed sensors are used to measure the rotational speed of a vehicle's wheels. For modern vehicles, wheel speed information is essential, as systems such as Vehicle Dynamic Control (VDC), Electronic Stability Program (ESP), Anti-lock Braking System (ABS), and automatic transmission control systems all require wheel speed data. Therefore, wheel speed sensors are one of the most critical sensors in modern vehicles. Below is relevant information about wheel speed sensors: 1. All speed sensors can function as wheel speed sensors, but considering practical factors such as the working environment and space constraints of the wheels, the commonly used wheel speed sensors are mainly: magnetic wheel speed sensors and Hall-effect wheel speed sensors. 2. Magnetic wheel speed sensors are characterized by their simple structure, low cost, and resistance to dirt and mud. 3. Hall-effect wheel speed sensors feature output signal voltage amplitude that is unaffected by rotational speed, high frequency response, and strong resistance to electromagnetic interference.

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