分体型COIL谐振腔支撑致稳系统设计与仿真分析
Design and simulation of supporting stabilizing system for separated COIL resonator cavity
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摘要: 采用工字型光学平台、调平支腿与钢丝绳弹簧进行有机组合，设计了一种分体型COIL光学谐振腔支撑致稳系统。首先建立了工字型光学平台的有限元分析模型，以提高系统的第一阶固有频率、最大化材料利用率为目标，开展结构优化分析与设计，并对光学平台优化设计结果进行了验证，结果表明，优化设计是有效的，提高了光学平台的第一阶固有频率，优化了材料的分布情况。进一步，建立了支撑减振致稳系统的动力学模型，对平台系统的减振致稳性能进行了评估，分析了钢丝绳弹簧大阻尼比特性对平台系统减振致稳性能的影响，结果表明，钢丝绳弹簧较大程度上提高了平台系统的减振致稳性能。Abstract: A kind of separated COIL resonant cavity using the I-shaped structure, a supporting system and wire-rope isolators is designed. Through simulation, the structure of the supporting system is optimized with the target of increasing its first natural frequency and maximizing its material utilization ratio. Its performance of vibration supression and stabilization is assessed by analysing how the large damping ratio of wire cable isolator influences the performance of the vibration supression and stabilization of the system. The result of the analysis reveals that the wire rope isolators enhance the performance of the vibration supression and stabilization.
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