Multiple loop control system

Details Multiple loop control system Multiple loop control system

1981-02-17

1984-03-13

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

91509, F15B 903, F15B 909

Patent

active

044360185

ABSTRACT:
A redundant, dual-fail/operate fly-by-wire control system actuates a redundant tandem piston actuator (10) to provide a single composite output evidenced by movement of a piston rod (12). The basic fault-tolerate actuation system consists of dual hydraulic primary actuators, quadruplex electrical control loops (14-17), and control servo valves (22-25). A failure management system connects to the actuation system by means of lines (18-21) to control the servo valves (22-25). The four control loops (14-17) connect to a pilot controller that provides pilot individual input signals to amplifiers (26-29) for each of the control loops.

REFERENCES:
patent: 3462660 (1966-06-01), Barltrop
patent: 3496836 (1970-02-01), Jenny
patent: 3665809 (1972-05-01), Walker et al.
patent: 3898916 (1975-08-01), Renner et al.
patent: 4143583 (1979-03-01), Bauer et al.

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