Part I: Modeling of a One-Degree-of-Freedom Active Hydraulic Mount-Reference-Cited by-同舟云学术

Part I: Modeling of a One-Degree-of-Freedom Active Hydraulic Mount

Published:1996-09-01 Issue:3 Volume:118 Page:439-442
ISSN:0022-0434
Container-title:Journal of Dynamic Systems, Measurement, and Control
language:en
Short-container-title:

Author:

FitzSimons P. M.¹,Palazzolo J. J.¹

Affiliation:

1. Department of Mechanical Engineering, Michigan State University, East Lansing, MI 48824-1226

Abstract

There is a diverse range of applications for active hydraulic mounts such as vibration absorbers, flight simulators, and industrial test rigs. The purpose of the mount considered here is to make a mass that is driven by an external force and a hydraulic actuator behave as if it were a prescribed mechanical impedance driven solely by the external force. We develop a model of this mount that includes the effects of servovalve dynamics and fluid compressibility and will be used in the future design of a robust control system. Then the conic sector bound method, which is readily amenable to the application of established robust control methodologies, is used to describe a family of linear time-varying plants that could be used to represent the nonlinear behavior of the system.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/dynamicsystems/article-pdf/118/3/439/5484608/439_1.pdf

Reference4 articles.

1. FitzSimons P. M. , and ChaoC. P., “Choosing the Best Conic Sector Bounds to Capture System Nonlinearity,” Proceedings of the 1994 ASME IMECE, DSC-Vol. 55-1, pp. 61–69.

2. Jinghong Y. , ZhaonengC., and YuanzhangL., 1994, “The Variation of Oil Effective Bulk Modulus with Pressure in Hydraulic Systems,” ASME JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL, Vol. 116, No. 1, pp. 146–150.

3. Palazzolo, J. J., 1994, “Design of an Active Hydraulic Mount with Programmable Mechanical Impedance,” Master of Science Thesis, Department of Mechanical Engineering, Michigan State University, East Lansing, MI.

4. Watton, J., 1989, Fluid Power Systems—Modeling, Simulation, and Microcomputer Control, Prentice-Hall, NJ.

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