Apparatus and method for diagnosing failures in control system

Details Apparatus and method for diagnosing failures in control system Apparatus and method for diagnosing failures in control system

1993-12-02

1996-08-20

Canney, Vincent P.

Excavating

371 36, G06F 1108

Patent

active

055486010

ABSTRACT:
An apparatus for diagnosing failures in a plurality of control units is provided in a control system. The apparatus has a detection device provided outside of the control units for comparing output data representing processing results of the control units to detect disparity of the output data of the control units, and a device for determining that a failure has occurred in at least one of the control units when the detection device detects the disparity of the output data.

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patent: 5231640 (1993-07-01), Hanson et al.
patent: 5249188 (1993-09-01), McDonald
patent: 5271023 (1993-12-01), Norman
Microprocessors and Programmed Logic, Second Edition by Kenneth L. Short .COPYRGT.1987 by Prentice-Hall Inc. pp. 73-77.

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