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26 January 2016 Optimization design about gimbal structure of high-precision autonomous celestial navigation tracking mirror system
Wei Huang, Xiao-xu Yang, Jun-feng Han, Yu Wei, Jing Zhang, Mei-lin Xie, Peng Yue
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Proceedings Volume 9796, Selected Papers of the Photoelectronic Technology Committee Conferences held November 2015; 97961S (2016) https://doi.org/10.1117/12.2229022
Event: Selected Proceedings of the Chinese Society for Optical Engineering Conferences held November 2015, 2015, Various, China
Abstract
High precision tracking platform of celestial navigation with control mirror servo structure form, to solve the disadvantages of big volume and rotational inertia, slow response speed, and so on. It improved the stability and tracking accuracy of platform. Due to optical sensor and mirror are installed on the middle-gimbal, stiffness and resonant frequency requirement for high. Based on the application of finite element modality analysis theory, doing Research on dynamic characteristics of the middle-gimbal, and ANSYS was used for the finite element dynamic emulator analysis. According to the result of the computer to find out the weak links of the structure, and Put forward improvement suggestions and reanalysis. The lowest resonant frequency of optimization middle-gimbal avoid the bandwidth of the platform servo mechanism, and much higher than the disturbance frequency of carrier aircraft, and reduces mechanical resonance of the framework. Reaching provides a theoretical basis for the whole machine structure optimization design of high-precision of autonomous Celestial navigation tracking mirror system.
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Wei Huang, Xiao-xu Yang, Jun-feng Han, Yu Wei, Jing Zhang, Mei-lin Xie, and Peng Yue "Optimization design about gimbal structure of high-precision autonomous celestial navigation tracking mirror system", Proc. SPIE 9796, Selected Papers of the Photoelectronic Technology Committee Conferences held November 2015, 97961S (26 January 2016); https://doi.org/10.1117/12.2229022
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KEYWORDS
Navigation systems
Finite element methods
Magnesium
Structural design
Aluminum
Analytical research
Shape analysis
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