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This is also the case if any of the system components are subsequently changed e.g. in the event of rotating the tires, changing sensors, replacing the ECU etc. [4] This process requires the activation of the direct TPMS sensor using low frequency (LF) radio and the capture of the UHF data transmitted. This data includes the direct TPMS ID, the ...
An active rollover protection (ARP), is a system that recognizes impending rollover and selectively applies brakes to resist. [1] ARP builds on electronic stability control and its three chassis control systems already on the vehicle – anti-lock braking system, traction control and yaw control. ARP adds another function: detection of an ...
A discharged battery means that the tire must be dismounted in order to replace it, so long battery life is desirable. To save energy and prolong battery life, many dTPMS sensors do not transmit information when parked (which eliminates spare tire monitoring) or apply a more power-expensive two-way communication which enables wake-up of the sensor.
There are four main components of ABS: wheel speed sensors, valves, a pump, and a controller. ABS speed sensors Speed sensors (Encoders) A speed sensor is used to determine the acceleration or deceleration of the wheel. These sensors use a magnet and a Hall effect sensor, or a toothed wheel and an electromagnetic coil to generate a signal. The ...
The most important sensors are as follows: A steering wheel angle sensor that determines where the driver wants to steer. This kind of sensor often uses AMR elements. A yaw rate sensor that measures the rotation rate of the car. The data from the yaw sensor is compared with the data from the steering wheel angle sensor to determine regulating ...
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This correction enables a larger maximum permissible air gap at the speed sensor. On a module m = 1 target wheel these new sensors can tolerate an air gap of 1.4 mm, which is wider than that for conventional speed sensors on module m = 2 target wheels. On a module m = 2 target wheel the new speed sensors can tolerate gap of as much as 2.2 mm.
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