Fluidic antiskid circuit

Details Fluidic antiskid circuit Fluidic antiskid circuit

1975-04-08

1976-10-12

Kunin, Stephen G.

Fluid-pressure and analogous brake systems

Inertia control

137805, 188181A, 244111, B60T 804

Patent

active

039853985

ABSTRACT:
A pneumatic wheel speed sensor provides pulse frequency signal proportional to wheel speed, the signal is converted to DC signal and differentiated and compared to commanded deceleration, error which causes modulation of brake pressure. Excessive deceleration causes a digital amplifier to switch into the system an integrator resulting in rapid brake pressure signal decrease. A second order lead protects against undesirable landing gear oscillation in aircraft applications.

REFERENCES:
patent: 3495881 (1970-02-01), Harned et al.
patent: 3545817 (1970-12-01), Yarber
patent: 3576351 (1971-04-01), Collins
patent: 3600043 (1971-08-01), Kasselmann
patent: 3608572 (1971-09-01), Hass
patent: 3669508 (1972-06-01), Attri
patent: 3689120 (1972-09-01), Sumiyoshi et al.
patent: 3716273 (1973-02-01), Beyerlein
patent: 3717384 (1973-02-01), Harned
patent: 3850480 (1974-11-01), Atkins

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