Actuator grouping optimization on flexible space reflectors

Jeffrey R. Hill; K. W. Wang; Houfei Fang; Ubaldo Quijano

doi:10.1117/12.880086

27 April 2011 Actuator grouping optimization on flexible space reflectors

Jeffrey R. Hill, K. W. Wang, Houfei Fang, Ubaldo Quijano

Proceedings Volume 7977, Active and Passive Smart Structures and Integrated Systems 2011; 797725 (2011) https://doi.org/10.1117/12.880086
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2011, San Diego, California, United States

Abstract

With the rapid advances in deployable membrane and mesh antenna technologies, the feasibility of developing large, lightweight reflectors has greatly improved. In order to achieve the required accuracy, precision surface control is needed on these lightweight reflectors. While studies have shown that domain control of space reflectors via Polyvinylidene Fluoride (PVDF) actuators is promising, the challenge is to realistically control a large number of distributed actuators with limited number of power supplies. In this research, a new En Mass Elimination method is synthesized to determine the optimal grouping of actuators when the actuator number exceeds the number of power supplies available. An analytical model is developed and the methodology is demonstrated numerically through system simulation on the derived model.

Citation Download Citation

Jeffrey R. Hill, K. W. Wang, Houfei Fang, and Ubaldo Quijano "Actuator grouping optimization on flexible space reflectors", Proc. SPIE 7977, Active and Passive Smart Structures and Integrated Systems 2011, 797725 (27 April 2011); https://doi.org/10.1117/12.880086

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