Active control of persistent disturbances in large precision aerospace structures

Mark J. Balas

doi:10.1117/12.21519

1 October 1990 Active control of persistent disturbances in large precision aerospace structures

Mark J. Balas

Proceedings Volume 1303, Advances in Optical Structure Systems; (1990) https://doi.org/10.1117/12.21519
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

Precision Aerospace structures must be actively controlled to achieve stringent operating specifications; however, persistent disturbances will drastically reduce the benefits of active structure control unless the controller can be designed to counteract such disturbances. We present a scheme for reduced-order model based disturbance accommodating controllers for precision structures using the idea of a disturbance generator from Johnson. We show that closed-loop stability can be achieved using a compensation technique known as the residual mode filter from Balas3 for spillover-induced instabilities due to model reduction.

Citation Download Citation

Mark J. Balas "Active control of persistent disturbances in large precision aerospace structures", Proc. SPIE 1303, Advances in Optical Structure Systems, (1 October 1990); https://doi.org/10.1117/12.21519

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