| 精密离心机动态失准角测试系统的设计研究 |
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| 引用本文： | 袁峰,丁振良,陈中,房振勇.精密离心机动态失准角测试系统的设计研究[J].光电工程,2001,28(5):28-31. |
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| 作者姓名： | 袁峰 丁振良 陈中 房振勇 |
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| 作者单位： | 1. 哈尔滨工业大学自动化测试与控制系
2. 哈尔滨工业大学惯导测试设备研究中心 |
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| 基金项目： | “九五”国防重点预研项目(9.5.1/A966000-15.) |
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| 摘 要： | 分析了惯性导航用精密离心机动态失准角测量中存在的问题，提出以双轴光电自准直仪为核心测量仪器的失准角测量系统，在测量系统中采用真空光路进行光路气流屏蔽，减少了由于空气扰动带来的误差。对构成测量系统的各环节进行了误差分析与设计，理论分析与台面实验表明系统测量精度可达到0．2″。
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| 关 键 词： | 精密离心机 失准角测量 光电自准直仪 误差分析 |
| 文章编号： | 1003-501(2001)05-0028-04 |
| 修稿时间： | 2000年11月20 |
Study on the Design of Testing System for Dynamic Misalignment Angle in Precision Centrifuge |
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| YUAN Feng,DING Zhen-liang,CHEN Zhong,FANG Zhen-yong.Study on the Design of Testing System for Dynamic Misalignment Angle in Precision Centrifuge[J].Opto-Electronic Engineering,2001,28(5):28-31. |
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| Authors: | YUAN Feng DING Zhen-liang CHEN Zhong FANG Zhen-yong |
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| Affiliation: | YUAN Feng1,DING Zhen-liang1,CHEN Zhong2,FANG Zhen-yong2 |
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| Abstract: | The problems existed in the measurement of the dynamic misalignment angle in a precision centrifuge for inertial navigation is analyzed. A misalignment measuring system with dual-axis photo-electrical autocollimator as its core is proposed. A vacuum light path shielded from air stream is applied to the measuring system, thus the error caused by air disturbance is reduced. The error analysis and design have been carried out for various links of the measuring system. The theoretical analysis and the analogue experiments carried out on the platform show that the measuring accuracy of the system is less than 0.2. |
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| Keywords: | Precise centrifuge Misalignment angle measurement Photo-electrical autocollimator Optical path airflow shielding Error analysis |
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