Adaptive air braking system with correction for second order tra

Details Adaptive air braking system with correction for second order tra Adaptive air braking system with correction for second order tra

1990-09-13

1991-10-15

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Automatic

Equalizing valves

303 20, 303 70, 303 86, 303 28, 303 66, B60T 1522

Patent

active

050568736

ABSTRACT:
Method and apparatus for compensating for transient effects in pneumatically operated air brake system for a railway vehicle. A look up table or experimentally determined second order correction values is stored in a memory. Based on the magnitude of a previous application of the brakes, a correction value is selected from the look up table having a magnitude to compensate for transient errors in the system. The correction value is then diminished by fixed decrements at fixed intervals. Upon a subsequent application of the brakes, the diminished correction value is used to adjust the pressure communicated to braking mechanisms located on the train cars.

REFERENCES:
patent: 4859000 (1989-08-01), Deno et al.

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