Anti-skid brake control system for automotive vehicle with featu

Details Anti-skid brake control system for automotive vehicle with featu Anti-skid brake control system for automotive vehicle with featu

1989-04-25

1990-06-26

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303 97, 303104, 303106, B60T 832

Patent

active

049366360

ABSTRACT:
An anti-skid brake control system monitors wheel deceleration during a period from a timing at which vehicular braking operation is initiated to a timing at which anti-skid brake control becomes active. Because the magnitude of wheel deceleration during the period set forth above is approximately inversely proportional to a road friction, the difference of deceleration can be a road friction indicative data. A vehicle body deceleration gradient data for the first skid control cycle is approximated or projected on the basis of the road friction indicative data so as to derive a projected vehicle body speed indicative data and a target wheel speed indicative data for the first skid control cycle.

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