This paper reports on an initial investigation of a switched inertance device (‘SID’). Using this device, flow and pressure can be varied by a means that does not rely on dissipation of power. The device can provide a step-up or step-down of pressure or flowrate, analogous to a hydraulic transformer. Simulated and experimental results on a prototype device show a promising performance. The device could potentially provide very significant reduction in power consumption over conventional valve-controlled systems, provided that noise issues and some other practical problems can be overcome.
- Dynamic Systems and Control Division
A Switched Inertance Device for Efficient Control of Pressure and Flow
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Johnston, DN. "A Switched Inertance Device for Efficient Control of Pressure and Flow." Proceedings of the ASME 2009 Dynamic Systems and Control Conference. ASME 2009 Dynamic Systems and Control Conference, Volume 1. Hollywood, California, USA. October 12–14, 2009. pp. 589-596. ASME. https://doi.org/10.1115/DSCC2009-2535
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