ABS Speed Sensor: Wheel Speed Data Matters for Safe Braking
Автор: A-Premium
Загружено: 2026-02-13
Просмотров: 37
Описание:
An ABS speed sensor (also called a wheel speed sensor or abs or wheel sensor) is a critical input for the anti lock braking system. It measures wheel speed and sends a signal to the ABS computer so the system can detect rapid deceleration, predict wheel lockup, and regulate brake pressure during hard braking. When the sensor’s signal output performance is stable, the ABS can keep the wheels from locking, helping you maintain steering control and improving stability on wet, dusty, or uneven roads.
Most sensors rely on a magnetic circuit and a changing magnetic field as a target wheel (tone ring/reluctor) passes the sensor tip. Correct air gap and proper mounting are essential: even small variations in installation height or alignment can affect output wave form, output voltage, and pulse width, which directly impacts ABS response.
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