AUTO CALIBRATING ELECTRO-HYDRAULIC SERVO DRIVER

An electro-hydraulic positioning system, which has automatic calibration capabilities, includes a microprocessor (52) which accesses calibration parameters stored in a non-volatile memory unit (56). The microprocessor (52) adjusts a position demand according to the stored calibration parameters. The...

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Bibliographische Detailangaben
Hauptverfasser:	ANDREW D. GAVRILOS, RICHARD EUGENE BENSON, RONALD J. WALKO, SCOTT M. SHAW, JOEL WADE SPAFFORD, ROBERT SAMUEL RAND
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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Beschreibung
Zusammenfassung:	An electro-hydraulic positioning system, which has automatic calibration capabilities, includes a microprocessor (52) which accesses calibration parameters stored in a non-volatile memory unit (56). The microprocessor (52) adjusts a position demand according to the stored calibration parameters. The system may be placed in an automatic calibration mode, in which case updated calibration parameters are automatically determined and stored. The system includes a microcontroller (32) which monitors system operating variables and reports deviations of the variables from expected values thereof.