Optimal Motion Stabilization Control Of An Electro-Optical Sight System

William J. Bigley; Steven P. Tsao

doi:10.1117/12.977974

26 September 1989 Optimal Motion Stabilization Control Of An Electro-Optical Sight System

William J. Bigley, Steven P. Tsao

Proceedings Volume 1111, Acquisition, Tracking, and Pointing III; (1989) https://doi.org/10.1117/12.977974
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

Development of precision, unmanned mobile tracking and pointing systems subjected to rough vehicular disturbances requires the use of robust, wideband, optimal-adaptive-intelligent motion stabilization control systems. Practical implementation of such theory is impeded by hardware induced constraints such as mechanical resonance, noise, and plant uncertainties. Several techniques for overcoming these hardware constraints have been demonstrated in Lockheed's long term Controls R&D Program for developing advanced mobile tracking and pointing systems. This paper presents the findings of a recent study to determine the applicability of the Linear-Quadratic-Gaussian/Loop-Transfer-Recovery (LQG/LTR) design methodology to the development of wideband gyro stabilization control of mobile electro-optical sight systems. In the presence of high order plant dynamics and uncertainties, LQ control methods are normally confined to low bandwidth loops. The ability of the LQG/LTR methodology to generate robust, wideband, optimal motion stabilization control of plants containing high frequency dynamics and random base motion disturbances is described. An overview of the LQG/LTR design procedure is presented for background knowledge. Use of the LQG/LTR design technique to modify control of an existing gyro stabilized EO sight system is discussed and study findings are reviewed.

Citation Download Citation

William J. Bigley and Steven P. Tsao "Optimal Motion Stabilization Control Of An Electro-Optical Sight System", Proc. SPIE 1111, Acquisition, Tracking, and Pointing III, (26 September 1989); https://doi.org/10.1117/12.977974

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