Control of the Thermally Induced Vibration of Space Structures by Using Heaters

Junhui Zhang; Zhihai Xiang; Yinghua Liu

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Control of the Thermally Induced Vibration of Space Structures by Using Heaters

机译：利用加热器控制空间结构的热致振动

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摘要

Thermally induced vibration of large and flexible space structures is possible. To suppress this kind of adverse response, this paper proposes an active vibration control method by using heaters bonded on the structural surface. In this way, the control forces are generated within the structure by the temperature gradients caused by controlling the heat fluxes of these heaters. To obtain the magnitude of the control heat flux of each heater, the state-space form of the thermal-dynamic formulation is derived, and the linear quadratic regulator optimal control method is adopted. In addition, the Fourier finite element is used to facilitate the thermal-dynamic calculation of space structures subject to thermal radiation. And the placement of these heaters is optimized by an efficient heuristic method with local search operations to minimize the control energy. Numerical examples are presented to demonstrate the capability and efficiency of the proposed method to suppress the vibration induced by solar heating.

机译：大型灵活的空间结构的热感应振动是可能的。为了抑制这种不良反应，本文提出了一种通过使用结合在结构表面上的加热器的主动振动控制方法。以这种方式，通过在控制这些加热器的热通量时引起的温度梯度在结构内产生控制力。为了获得每个加热器的控制热通量的大小，推导了热力学公式的状态空间形式，并采用线性二次调节器最优控制方法。此外，傅立叶有限元用于促进热辐射作用下空间结构的热力学计算。这些加热器的位置是通过一种有效的启发式方法进行优化的，该方法具有局部搜索操作，以最大程度地减少控制能量。数值算例表明了该方法抑制太阳加热引起的振动的能力和效率。

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来源
《Journal of Spacecraft and Rockets》 |2014年第5期|1454-1463|共10页
作者
Junhui Zhang; Zhihai Xiang; Yinghua Liu;
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作者单位

North China University of Technology, 100144 Beijing, People's Republic of China;

Tsinghua University, 100084 Beijing, People's Republic of China;

Tsinghua University, 100084 Beijing, People's Republic of China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
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专利

1. SUPPRESSING THE THERMALLY INDUCED VIBRATION OF LARGE-SCALE SPACE STRUCTURES VIA STRUCTURAL OPTIMIZATION [J] . Fan Li-Jia, Xiang Zhi-Hai Journal of thermal stresses . 2015,第1a3期

机译：通过结构优化抑制大型空间结构的热感应振动
2. Thermally-induced bending-torsion coupling vibration of large scale space structures [J] . Xue MD, Duan J, Xiang ZH Computational Mechanics: Solids, Fluids, Fracture Transport Phenomena and Variational Methods . 2007,第4期

机译：大型空间结构的热致弯扭耦合振动
3. Thermally-induced bending-torsion coupling vibration of large scale space structures [J] . Ming-De Xue, Jin Duan, Zhi-Hai Xiang Computational Mechanics . 2007,第4期

机译：大型空间结构的热致弯扭耦合振动
4. An Experimental Investigation of Thermally Induced Vibrations of Spacecraft Structures [C] . Richard S. Foster, Earl A. Thornton AIAA/ASME/ASCE/AHS/ASC, structures, structural dynamics, and materials conference . 1994

机译：热诱导的航天器结构振动的实验研究
5. Thermally induced vibrations of spacecraft booms. [D] . Foster, Richard Stuart. 1998

机译：航天器吊臂的热感应振动。
6. Controlled growth of hexagonal gold nanostructures during thermally induced self-assembling on Ge(001) surface [O] . B. R. Jany, N. Gauquelin, T. Willhammar, -1

机译：Ge（001）表面热诱导自组装过程中六角形金纳米结构的受控生长
7. A Study on Thermally-Induced Vibration of Flexible Space Structures [O] . 2003

机译：柔性空间结构热诱导振动研究

Control of the Thermally Induced Vibration of Space Structures by Using Heaters

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