Michael Garstenauer, Rudolf Scheidl,
"High-Speed Switching Valves Actuated by Parametrically Excited Structures"
: Bath Workshop on Power Transmission and Motion Control (PTMC 99), Seite(n) 137-150, 9-1999, ISBN: 1-86058-205-2
High-Speed Switching Valves Actuated by Parametrically Excited Structures
Sprache des Titels:
Bath Workshop on Power Transmission and Motion Control (PTMC 99)
In this article we describe a new concept for high speed, low power hydraulic switching valves that achieve transition times below 1 ms. Key element is a parametrically excited elastic structure that serves both as energy storage and displacement magnifier. Experimental results for a hydraulically controlled prototype are presented, and design studies for a future prototype with piezoelectic actuators are discussed. Applications for such valves are the implementation of energy efficient switching techniques in hydraulic drives and the replacement of servo valves by lower cost, very high speed switching valves for servo-controlled drives.