Title

Fully Digital Control of a Pre-Isolator for Gravitational Wave Detection

Document Type

Conference Proceeding

Publisher

National University of Singapore

Faculty

Computing, Health and Science

School

Computer and Information Science

RAS ID

1798

Comments

This article was originally published as: Zhao, C., Li, D., & Watson, A. C. (2003). Fully digital control of a pre-isolator for gravitational wave detection. Proceedings of The Second International Conference on Computational Intelligence, Robotics and Autonomous Systems. Singapore: National University of Singapore.

Abstract

An ultra-low frequency Pre-Isolator (PI) has been built for micro-seismic noise isolation and the excitation reduction of suspension chain resonant mode amplitudes, A multidimensional control system, based on Digital Signal Processing (DSP), has been developed for position control and normal mode damping of the PI. In this paper we demonstrate the successful control of the suspension system.

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