空间控制技术与应用 ›› 2013, Vol. 39 ›› Issue (1): 27-33.doi: 10.3969/j.issn.1674-1579.2013.01.005
摘要: 主要研究了挠性太阳帆板的闭环驱动控制问题.利用挠性结构的模态恒等式,获得了广义状态空间形式的挠性太阳帆板驱动动力学方程.基于Lyapunov方法,设计了基于输出反馈的PD控制器,并根据广义系统理论讨论了闭环系统的正则性和无脉冲性,以确保控制系统是允许的.数值仿真验证了闭环控制算法的有效性并与开环控制进行了比对.最后进行了总结并提出新的研究问题.
Abstract:This paper is mainly concerned with the closedloop drive control of flexible solar arrays. Based on a modal identity of the flexible structure, the generalized statespace formalism of the flexible solar array drive system is derived. By the Lyapunov’s method, an outputfeedbackbased PD control is developed, and the regularity and impulsefreeness of the closedloop system are investigated in the framework of generalized system theory, followed which the admissibility of the control system is guaranteed. The effectiveness of the closedloop control algorithm is verified by the numerical simulations and comparison with the openloop algorithm. Finally, conclusions are drawn and a possible research topic is proposed.