Monopropellant-Driven Free Piston Hydraulic Pump for Mobile Robotic Systems

[+] Author and Article Information
Timothy G. McGee, Justin W. Raade, H. Kazerooni

Human Engineering and Robotics Laboratory, Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720

J. Dyn. Sys., Meas., Control 126(1), 75-81 (Apr 12, 2004) (7 pages) doi:10.1115/1.1649972 History: Received March 05, 2003; Revised July 08, 2003; Online April 12, 2004
Copyright © 2004 by ASME
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Operation of Free Piston Hydraulic Pump
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Free Body Diagram of FPA
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Control Volume for Hot Gas Cylinder
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Model of Monopropellant Flow Through Valve
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Simulation Results for FPA Velocity and Position
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Simulation Results for Hot Gas Pressure
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Photo of the Experimental Power Source
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Experimental Hot Gas Pressure with 500 ms Injection Time
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Experimental Hot Gas Pressure Over Single Stroke
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Diagram of Solenoid Valve/Catalyst Interface
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Comparison of Experimental Data with Modified Simulation




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