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Proceedings Paper

Six DOF high-frequency motion simulator phase II
Author(s): Robert Peterson; Michael Novokov; Jeffrey Hsu; Herb Gass; Michael Benson
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Paper Abstract

The objective of the HFMS Program Phase II is to finalize the development and produce a '6 DOF High Frequency Motion Simulator' (HFMS). This system is a continuation of a Phase I Conceptual Design study completed in 2000. The introduction of a unique non-cascaded gimbal configuration offers the ability to increase the closed-loop frequency response of this motion simulator to the 1000 Hz region. The motion base is based on a variant of a hexapod configuration. Unique joints are utilized to provide low friction coupling between the platform and actuators. The high modal frequency is achieved by using a beryllium-aluminum alloy for the platform structure and actuator extensions. A multi-variable feedback system, which uses the actuator position and platform inertial accelerations, provides a control system directly related to the airframe coordinate frame. A unique Forward Kinematics filter has been developed to permit a real time solution of the platform variables by a measurement of the leg extensions. The system provides control of the three angular rotations and three linear displacements, each control loop exhibiting a 1000 Hz bandwidth.

Paper Details

Date Published: 12 July 2002
PDF: 12 pages
Proc. SPIE 4717, Technologies for Synthetic Environments: Hardware-in-the-Loop Testing VII, (12 July 2002); doi: 10.1117/12.474707
Show Author Affiliations
Robert Peterson, Carco Electronics (United States)
Michael Novokov, Carco Electronics (United States)
Jeffrey Hsu, Carco Electronics (United States)
Herb Gass, Carco Electronics (United States)
Michael Benson, Carco Electronics (United States)

Published in SPIE Proceedings Vol. 4717:
Technologies for Synthetic Environments: Hardware-in-the-Loop Testing VII
Robert Lee Murrer Jr., Editor(s)

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