Auto-Calibration Based Control for Independent Metering of Hydraulic ActuatorsReportar como inadecuado


Auto-Calibration Based Control for Independent Metering of Hydraulic Actuators


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This paper describes a novel auto-calibration state-trajectory-based control method and its application to electronic flow control for independent metering systems. In this paper, the independent metering architecture that is considered uses five Electro-Hydraulic Poppet Valves EHPV’s. The proposed control method is applied to four of these valves, arranged in a Wheatstone bridge configuration, to regulate the flow of hydraulic oil coming into and out of an actuator. For simplicity, the fifth valve is operated via open-loop to control the supply pressure. Experimental data presented herein demonstrate that the control method learns the valve’s conductance characteristics i.e. the inverse input-state dynamic map of the valve while simultaneously controlling the motion of the hydraulic actuator.



Intelligent Machine Dynamics Laboratory - Intelligent Machine Dynamics Laboratory Publications -



Autor: Opdenbosch, Patrick - Sadegh, Nader - Enes, Aaron R. - Book, Wayne John - -

Fuente: https://smartech.gatech.edu/







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