Majority voted two fault tolerant power switch

Details Majority voted two fault tolerant power switch Majority voted two fault tolerant power switch

1993-10-04

1996-03-12

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Plural switches

326 11, 371 26, G06F 1108

Patent

active

054989124

ABSTRACT:
A majority voted two-fault tolerant power switch for delivering power from a system to an intended load. The power switch comprises a voter, two fault tolerant power switching apparatus, and testing apparatus. The voter comprises a command interface for receiving voter input commands from the system and, two fault tolerant voting logic for selecting a voter output as determined from a majority of the voter input commands. The two fault tolerant power switching apparatus receives power input from the system. The power switching means is controlled by the voter output. An output from the power switching apparatus is connected to the intended load. The testing apparatus receives test signals from the system. It provides test status outputs to the system of the voter and the power switching apparatus.

REFERENCES:
patent: 4644498 (1987-02-01), Bedard et al.
patent: 4697093 (1987-09-01), Sutherland et al.
patent: 4799140 (1989-01-01), Dietz et al.
patent: 4857762 (1989-08-01), Gaebel
patent: 4868826 (1989-09-01), Smith et al.
patent: 5280202 (1994-01-01), Chan et al.
patent: 5386424 (1995-01-01), Driscoll et al.

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