The present paper deals with hardware-in-the-loop (HIL) simulation of hydraulic components and systems. The main idea is to develop hydraulics by using a simulation model of it as a part of the machine. The interface between the real and simulated parts is defined by means of pressures and flows. The proposed idea makes it possible to test a variety of design parameters of a hydraulic system or single component on-line while running the practical experimental machine. The method is demonstrated in its application to a single-stage pressure relief valve in a simple hydraulic circuit. The real valve is replaced in the circuit by a HIL simulator mimicking the dynamic behavior of the valve. Finally the dynamic responses of original pressure relief valve and the HIL simulator are compared.
Real-Time Simulated Pressure Relief Valves in Physical Hydraulic Circuits
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Eskola, T, Handroos, H, & Nishiumi, T. "Real-Time Simulated Pressure Relief Valves in Physical Hydraulic Circuits." Proceedings of the ASME 2005 International Mechanical Engineering Congress and Exposition. Fluid Power Systems and Technology. Orlando, Florida, USA. November 5–11, 2005. pp. 171-174. ASME. https://doi.org/10.1115/IMECE2005-80842
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