Duty cycle translator for adaptive braking control circuit

Details Duty cycle translator for adaptive braking control circuit Duty cycle translator for adaptive braking control circuit

1974-12-09

1976-04-27

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Inertia control

303 20, 303 21A, B60T 800

Patent

active

039530833

ABSTRACT:
An adaptive braking system for a vehicle having fluid-pressure operated brakes which includes a skid detecting circuit and a signal modifying circuit. The signal modifying circuit responds to the output of the skid detecting circuit to drive a duty cycle translator to generate a control signal which controls actuation of a modulating relay valve adapted to control fluid communication to the brake actuators. The duty cycle translator includes a pseudo-pressure-feedback control circuit which generates a signal approximating the response characteristics of the modulating relay valve and the brake actuators. The pseudo-pressure-feedback control enhances response of the system without requiring a pressure transducer to be used in the modulator or brake actuators to sense a feedback pressure.

REFERENCES:
patent: 3507542 (1970-04-01), Cannella
patent: 3671081 (1972-06-01), Jania et al.

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