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1 November 2023 Optimization design and analysis for support structure of space camera
Shudong Men, Junli Shen, Yingzhong Shi, Zhongchao Liang, Zhaohui Li
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Proceedings Volume 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023); 129170F (2023) https://doi.org/10.1117/12.3011226
Event: 3rd International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 2023, Shanghai, China
Abstract
In order to address the lightweight problem of certain structures in the support components of space cameras, a topology optimization method is proposed for design of the support structures. A mathematical model based on the topology optimization theory of continuum structure is established. The NX topology optimization module is used to optimize the bottom support structure of a space camera. Moreover, the basic principle of random vibration analysis is expounded, and the mathematical model based on random vibration response analysis is established. Subsequently, the random vibration response analysis is conducted on the entire instrument, obtaining the root mean square response values of the acceleration of the weak part diaphragm. The results of design and analysis indicate that using topology optimization design methods can effectively reduce the weight of the bottom support structure and improve the performance of the support structure. Additionally, the finite element analysis method based on the basic principle of random vibration can calculate the root mean square response value of acceleration at weak parts, thereby validating compliance with requirements.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Shudong Men, Junli Shen, Yingzhong Shi, Zhongchao Liang, and Zhaohui Li "Optimization design and analysis for support structure of space camera", Proc. SPIE 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 129170F (1 November 2023); https://doi.org/10.1117/12.3011226
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KEYWORDS
Design and modelling
Vibration
Frequency response
Cameras
Finite element methods
Mathematical modeling
Mathematical optimization
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