| 弹性力矩对光电平台稳定精度影响的定量研究北大核心CSCD |
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| 引用本文： | 嵇婷,刘宇,王亚伟,李磊,李思众,陈静,王本国.弹性力矩对光电平台稳定精度影响的定量研究北大核心CSCD[J].应用光学,2022,43(4):648-653. |
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| 作者姓名： | 嵇婷 刘宇 王亚伟 李磊 李思众 陈静 王本国 |
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| 作者单位： | 西安应用光学研究所 ，陕西 西安 710065 |
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| 基金项目： | 装备预研兵器工业应用创新项目（627010403） |
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| 摘 要： | 稳定精度是衡量光电平台性能的重要指标,干扰力矩是影响稳定精度的最主要因素,而线缆弹性力矩是扰动力矩的重要组成,因此减小线缆弹性力矩对提高光电平台的稳定精度具有重要意义。建立了光电稳定平台和线缆弹性力矩的数学模型,定量分析了弹性力矩对稳定精度的影响,并在该基础上提出了一种减小线缆弹性力矩的方法,通过将该方法应用于实际产品,证明了该方法可以使弹性力矩降低0.180 N·m,光轴角度变化减小了16.3%。
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| 关 键 词： | 光电平台 扰动力矩 稳定精度 线缆弹性力矩 |
| 收稿时间： | 2022-05-10 |
Quantitative study on influence of elastic moment on stabilization accuracy of electro-optical platform |
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| Affiliation: | Xi'an Institute of Applied Optics, Xi'an 710065, China |
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| Abstract: | The stabilization accuracy is the key indicator to measure the performance of electro-optical platform, the disturbance torque has the greatest influence on the stabilization accuracy, and the cable elastic moment is an important component of the disturbance torque. Therefore, reducing the cable elastic moment is of great significance to improve the stabilization accuracy of the electro-optical platform. The mathematical model of electro-optical stabilized platform and cable elastic moment were established and the influence of elastic moment on stabilization accuracy was quantitatively analyzed. On this basis, a method to reduce the cable elastic moment was proposed. By applying this method to actual products, the results prove that the method can reduce the elastic moment by 0.180 N·m and decrease the angle change of optical axis by 16.3%. |
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