This article describes how on/off valves can be used in the closed loop control. After studying different industrial hydraulic applications typical requirements will be compiled. From these requirements a basic on/off valve architecture will be derived. In this article the number of parallel connected on/off valves per control edge is limited to one valve. So the typical digital hydraulics with a high number of parallel connected valves is not considered. The on/off valves could not be controlled like normal directional valves. To control on/off valves digital control methods are common to use. The digital control methods are not optimized for the hydraulic on/off valves, because the origins of the digital control methods will be found in the electrical engineering. The novel idea for the digital control methods is the optimized pulse control which eliminates the disadvantages of the common digital control methods. How the optimized pulse control works is described in this article.
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ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control
October 31–November 2, 2011
Arlington, Virginia, USA
Conference Sponsors:
- Dynamic Systems and Control Division
ISBN:
978-0-7918-5476-1
PROCEEDINGS PAPER
Optimized Pulse Modulation: A Novel Idea of a Digital Control Method for On/Off Valves Available to Purchase
Ingo Schepers,
Ingo Schepers
Bosch Rexroth AG, Lohr am Main, Germany
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Daniel Weiler,
Daniel Weiler
Bosch Rexroth AG, Lohr am Main, Germany
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Juergen Weber
Juergen Weber
Dresden University of Technology, Dresden, Germany
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Ingo Schepers
Bosch Rexroth AG, Lohr am Main, Germany
Daniel Weiler
Bosch Rexroth AG, Lohr am Main, Germany
Juergen Weber
Dresden University of Technology, Dresden, Germany
Paper No:
DSCC2011-6007, pp. 363-366; 4 pages
Published Online:
May 5, 2012
Citation
Schepers, I, Weiler, D, & Weber, J. "Optimized Pulse Modulation: A Novel Idea of a Digital Control Method for On/Off Valves." Proceedings of the ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control. ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control, Volume 2. Arlington, Virginia, USA. October 31–November 2, 2011. pp. 363-366. ASME. https://doi.org/10.1115/DSCC2011-6007
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