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Please use this identifier to cite or link to this item: http://hdl.handle.net/2014/30749

Title: Micro-Precision Interferometer: Pointing Control System
Authors: O'Brien, John
Issue Date: Jul-1995
Abstract: This paper describes the development of the wavefront tilt (pointing) control system for the JPL Micro-Precision Interferometer (MPI). This control system employs piezo-electric actuators and a digital imaging sensor with feedback compensation to reject errors in instrument pointing. Stringent performance goals require large feedback, however, several characteristics of the plant tend to restrict the available bandwidth. A robust 7th-order wavefront tilt control system was successfully implemented on the MPI instrument, providing sufficient disturbance rejection performance to satisfy the established interference fringe visibility.
URI: http://hdl.handle.net/2014/30749
Appears in Collections:JPL TRS 1992+

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