Loss of electrical feedback detector

Details Loss of electrical feedback detector Loss of electrical feedback detector

1985-07-29

1987-09-22

Smith, Jerry

Boots, shoes, and leggings

364176, 364184, 36443111, 318565, G05B 1302

Patent

active

046959416

ABSTRACT:
To detect any abnormal loss of a feedback signal in an electric power system wherein a plurality of feedback signals are respectively derived from various system quantities, such as voltage and current, and are used as inputs to a controller that regulates the output of a controllable source of power, the controller is arranged to estimate the desired value of the system quantity from which a first feedback signal is derived, to compare the estimated desired value with the actual value of the same quantity (as indicated by the first feedback signal), and to signal a malfunction if this comparison reveals that the first feedback signal is faulty.

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patent: 4587615 (1986-05-01), Takahashi

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