Boots – shoes – and leggings
Patent
1980-09-22
1983-09-06
Gruber, Felix D.
Boots, shoes, and leggings
307 19, 307 29, 307 71, G05B 1502, G06F 1556
Patent
active
044032927
ABSTRACT:
A control for an electrical generating and distribution system utilizing a plurality of interconnected microprocessors. An electrical system, for an aircraft for example, may have two engine driven generators and an auxiliary power unit generator with loads connected to each of the engine driven generators through generator circuit breakers. An electrical distribution bus connected through bus tie breakers interconnects the load circuits and the auxiliary generator so that any one generator can power either or both loads. Each generator has a microprocessor generator control unit responsive to the associated generator conditions to control generator operation. A microprocessor bus power control unit is responsive to distribution circuit conditions and correlates information from the generator control units, contributing to operation of the bus tie breakers, controlling distribution of power from the generators to the loads. Serial data links between the bus power control unit and each of the generator control units provide for communication of input and control information and enable comparison of redundant circuit information enhancing reliability of the system operation. A generator voltage regulator utilizes the microprocessor of the generator control unit to develop an error voltage which is added to the average phase voltage of the generator, controlling the generator field current. In the event of a phase failure the generator control unit senses an abnormally high phase voltage condition, disables the average phase voltage circuit and the regulator continues to operate with the error voltage.
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patent: 3996507 (1976-12-01), Chambers
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patent: 4161027 (1979-07-01), Russell
Geyer et al.: Automatic Control of Aircraft Electrical System Reduces Wiring and Improves Reliability, Westinghouse Eng., Jul. 1971.
Dickey et al.: Solid State Switching for Aircraft Electric Systems, IEEE Spectrum, Nov. 1970, pp. 73-79.
Eckenfelder: Airborne Display and Electric Management System, Hescou Proceedings, Aug. 1970, 17/4, pp. 1-5.
Ejzak Richard P.
Glennon Timothy F.
Peterson William J.
Thom James B.
Gruber Felix D.
Sundstrand Corporation
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