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Vehicle braking system

  • US 4,743,072 A
  • Filed: 05/30/1986
  • Issued: 05/10/1988
  • Est. Priority Date: 05/30/1985
  • Status: Expired due to Term
First Claim
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1. A closed loop vehicle deceleration control system, comprising:

  • (a) means for generating a driver'"'"'s demand signal representing a deceleration requirement;

    (b) a plurality of pressure control channels for controlling the application of the vehicle brakes;

    said pressure control channels being themselves controlled by said driver'"'"'s demand signal fed forward thereto;

    (c) means for measuring the vehicle deceleration;

    (d) a closed loop feedback circuit which is adapted to produce a deceleration error signal representative of the difference between a deceleration level demanded by the driver and the actual vehicle deceleration;

    (e) means for producing a correction signal for the driver'"'"'s demand signal in dependence upon an integral function of the deceleration error; and

    (f) means for adjusting the driver'"'"'s demand signal in accordance with said correction signal.

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