Gravity based brake stroke sensor methods and systems

Details Gravity based brake stroke sensor methods and systems Gravity based brake stroke sensor methods and systems

2008-07-07

2011-12-13

Trammell, James (Department: 3667)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

C701S071000, C701S029000, C188S00111E, C340S453000

Reexamination Certificate

active

08078375

ABSTRACT:
Methods and systems for measuring a brake stroke of an air brake assembly utilize a sensor, such as an accelerometer, mountable on a movable component, such as a brake cam shaft, of the air brake assembly that is external of the brake chamber of the air brake assembly for detecting an acceleration of the movable component during a braking event. The sensor generates an output signal that depends on a magnitude of the detected acceleration, which is sent to a microcontroller coupled to the sensor. The microcontroller translates the sensor output signal to a value corresponding to a displacement of the movable component of the brake assembly during the braking event and calculates a brake stroke distance based on said value.

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