SYSTEM AND METHOD FOR TESTING A SECONDARY SERVO CONTROL CIRCUIT IN A REDUNDANT CONTROL CONFIGURATION

A system, apparatus and method are provided for testing a secondary servo control circuit in a redundant control configuration. A first circuit is configured to receive a control signal and to control an attribute of an actuator based on the control signal using a first control input of the actuator...

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Bibliographische Detailangaben
Hauptverfasser:	SUNDARESH, Nagaraja, INGAWALE, Sunil M, KN, Dinesh Kumar, RAJAGOPAL, Srinivasan, JAGANNATHAN, Sai Krishnan, NAIR, Rakesh Damodaran, KUMAR, Sachin, KINAGE, Amol, GIRITHARAN, Karthik
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MECHANICAL ENGINEERING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TESTING WEAPONS
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Beschreibung
Zusammenfassung:	A system, apparatus and method are provided for testing a secondary servo control circuit in a redundant control configuration. A first circuit is configured to receive a control signal and to control an attribute of an actuator based on the control signal using a first control input of the actuator. A second circuit is configured to test operation of an actuator circuit using a test signal. The actuator circuit includes at least part of the second circuit and a second control input of the actuator. The test signal is selected to avoid causing independent motion of the actuator. The actuator could be a dual coil servo valve, and the test signal could be a current (such as a DC current, an AC current, or a pulsed current) having a magnitude less than a bias current of the actuator.