Research on the Vibration Control Algorithms for Large Space Truss Structure Based on Precise Integration Method

Research on the Vibration Control Algorithms for Large Space Truss Structure Based on Precise Integration Method
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基于精密积分法的大空间桁架结构振动控制算法研究

DOI:
10.1142/s0219876216410218
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发表时间:
2016-07
影响因子:
1.7
通讯作者:
Bingbing Jin
Bingbing Jin
中科院分区:
工程技术4区
文献类型:
--
作者:
Zhiqin Cai;Yibei Zhang;Xuefu Li;Bingbing Jin

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本文研究了大型空间桁架结构的振动控制算法。首先,采用精细积分法求解微分方程,保证了算法的有效性和效率。其次,在离散代数方程与分散控制理论相结合的基础上,改进了基于线性二次型(LQ)最优控制理论的控制力求解方法。第三,本文提出了一种新的控制方法--特征值控制方法,并讨论了它与LQ最优控制方法的关系。最后,将这两种控制方法应用于结构,分析其振动抑制效果。仿真结果表明,所提出的算法可以快速抑制大型空间桁架结构的振动。
In this paper, vibration control algorithms for a large space truss structure are investigated. First, a precise integration method is used to solve the differential equation such that the validity and efficiency of the algorithm are guaranteed. Second, on the basis of the discrete algebraic equation combined with the decentralized control theory, the solving method of the control force based on the linear quadratic (LQ) optimal control theory is improved. Third, a new control method, the eigenvalue control method, is proposed in this paper, and its relationship with the LQ optimal control method is discussed. Finally, these two control methods are applied to the structure to analyze the effectiveness of vibration suppression. The simulation results show that the proposed algorithms can quickly suppress the vibration of a large space truss structure.
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