Method and apparatus for pump activation during ABS/TCS control

Details Method and apparatus for pump activation during ABS/TCS control Method and apparatus for pump activation during ABS/TCS control

1998-05-21

2000-12-05

Graham, Matthew C.

Fluid-pressure and analogous brake systems

With pump

Pressure control

3031161, 30312213, 303DIG3, B60T 1368

Patent

active

06155653&

ABSTRACT:
A method and apparatus for controlling activation of a brake pump during controlled braking conditions include a controller for determining pump activation conditions based on four empirically obtained tables stored in the controller: a pressure series table, volume consumption table, pressure gradient table, and a pump output table. The four tables are used to determine when the brake pump is activated as well as at what capacity the pump should be operated in order to achieve optimal braking performance with least amount of driver discomfort.

REFERENCES:
patent: 5197787 (1993-03-01), Matsuda et al.
patent: 5498070 (1996-03-01), Inagawa et al.
patent: 5613740 (1997-03-01), Kawamoto et al.
patent: 5788337 (1998-08-01), Eckert
patent: 5791745 (1998-08-01), Sakakibara

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