Anti-skid brake control system with operational mode control and

Details Anti-skid brake control system with operational mode control and Anti-skid brake control system with operational mode control and

1984-04-17

1987-07-21

Chin, Gary

Boots, shoes, and leggings

303 95, 361238, B60T 834

Patent

active

046822950

ABSTRACT:
An anti-skid brake control system controls the operation mode of a pressure control valve in a hydraulic brake circuit for increasing the fluid pressure in its application mode, for decreasing the fluid pressure in its releasing mode and for holding the fluid pressure at a constant value in its holding mode. The control system has a predetermined operation pattern in which the operation modes of the pressure control valve cycle through a predetermined schedule. Measured wheel acceleration and slip rate values dictate which operation modes are to be selected next and when the change from mode to mode should be performed. When the operation mode is to be changed, the next operation mode selected is checked to see if it is consistent with that scheduled. When the selected operation mode is different from the scheduled one, the selected operation mode is modified to perform the operation according to the scheduled operation mode which would otherwise be skipped.

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