Control of pre-isolators for gravitational wave detection

C.Y. Lee, C. Zhao, E. Chin, J.S. Jacob, D. Li, David Blair, Carlo Bradaschia (Editor)

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Web of Science)


    An ultra-low frequency pre-isolator (PI) has been built by ACIGA for microseismic noise isolation and reduction of suspension chain resonant mode amplitudes. A multidimensional control system, based on digital signal processing, 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.
    Original languageEnglish
    Pages (from-to)S1015-S1022
    JournalClassical and Quantum Gravity
    Issue number5
    Publication statusPublished - 2004


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