Integrated Design and PD Control of High-Speed Closed-loop Mechanisms
- 1 December 2002
- journal article
- Published by ASME International in Journal of Dynamic Systems, Measurement, and Control
- Vol. 124 (4), 522-528
- https://doi.org/10.1115/1.1513179
Abstract
The performance of an electromechanical system not only depends on its controller design, but also on the design of its mechanical structure. In order to achieve the excellent performance of the four-bar-link mechanism by employing the simple PD control, we redesign the structure of the four-bar-link mechanism by a mass-redistribution scheme to simplify the dynamic model. Theoretically, we analyze the stability of the closed-loop system consisting of the PD controller and several kinds of four-bar-link mechanisms, and discuss the relations between the performance of the PD controller and its gains and the mechanical design. The obtained results show that the performance of the PD controller may be significantly improved by using the methodology of Design For Control (DFC). The effectiveness of the proposed methodology has also been verified by some simulation studies.Keywords
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