Valve-controlled electro-hydraulic actuators in a Stewart platform configuration have become established as a good way of meeting the performance required for flight simulator motion systems. However, valve-controlled actuators are very inefficient, and thus an electrohydrostatic motion system, controlled using servomotor driven pumps, has been developed by Thales, and is now in production. This paper presents a simulation study of a multi-axis controller which can improve the dynamic response of the new motion system. A modal control approach is used — i.e. the modes of vibration of the system are controlled individually. These modes are dependent on the inertial properties of the platform and the compliance of the actuators. The modes change as the motion system moves throughout its workspace, and so the controller has to adapt to the current operating point. Simulation results are presented based on a partially validated model of the motion system.
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ASME 2009 Dynamic Systems and Control Conference
October 12–14, 2009
Hollywood, California, USA
Conference Sponsors:
- Dynamic Systems and Control Division
ISBN:
978-0-7918-4893-7
PROCEEDINGS PAPER
Modal Control of an Electrohydrostatic Flight Simulator Motion System
Andrew R. Plummer,
Andrew R. Plummer
University of Bath, Bath, UK
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Paulo Serena Guinzio
Paulo Serena Guinzio
Politecnico di Torino, Torino, Italy
Search for other works by this author on:
Andrew R. Plummer
University of Bath, Bath, UK
Paulo Serena Guinzio
Politecnico di Torino, Torino, Italy
Paper No:
DSCC2009-2608, pp. 345-352; 8 pages
Published Online:
September 16, 2010
Citation
Plummer, AR, & Guinzio, PS. "Modal Control of an Electrohydrostatic Flight Simulator Motion System." Proceedings of the ASME 2009 Dynamic Systems and Control Conference. ASME 2009 Dynamic Systems and Control Conference, Volume 2. Hollywood, California, USA. October 12–14, 2009. pp. 345-352. ASME. https://doi.org/10.1115/DSCC2009-2608
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