Controlled fluid recirculation for efficient hydraulic actuation of conservative loads
Book, Wayne John
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Hydraulic actuators have traditionally found application in servo systems requiring high bandwidth, high power per unit mass, and permitting low overall energy efficiency, the presence of hydraulic oil, and a rather bulky power supply. This paper presents a theoretical, analytical and experimental study of controlled fluid recircultion around an actuator to provide a more energy efficient hydraulic servo system for motion control while retaining the traditional advantages.