Design of orienting and aiming instrument based on fiber optic gyroscope

Zhijun Zhang; Limin Wang; Jiyu Sun

doi:10.1117/12.783692

27 November 2007 Design of orienting and aiming instrument based on fiber optic gyroscope

Zhijun Zhang, Limin Wang, Jiyu Sun

Proceedings Volume 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 67234Z (2007) https://doi.org/10.1117/12.783692
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

In order to improve the ground viability of missile weapon system, a quick orienting and aiming instrument is cried for the missile launching in modern war. The fiber optic gyroscope (FOG) based on Sagnac effect is a new type of all solid state rotation rate sensor that detects angular changes or angular rates relative to inertial space, which has many fine characteristics compared with traditional mechanical electronic gyro, such as low cost, light weight, long life, high reliability, wide dynamic range, etc. For the need of missile photoelectric aiming facility, It is necessary to design and manufacture a set of orienting and aiming instrument based on single axis FOG, to solve the close quarters aiming of missile launching, to measure the azimuth reference. Based on practical project, the principle of FOG orienting system and laser collimation theodolite aiming system is discussed and studied in this paper. Orienting and aiming system are constructed in the same basement. The influence of platform tilt on the precision of orientation is analyzed. An accelerator is used to compensate deviation caused by base tilt. The aiming precision affected by eccentricity of the encoders for laser collimation theodolite and the FOG orientation system are analyzed. The test results show that the aiming accuracy is 6' in three minutes. It is suitable for missile aiming in short range.

Citation Download Citation

Zhijun Zhang, Limin Wang, and Jiyu Sun "Design of orienting and aiming instrument based on fiber optic gyroscope", Proc. SPIE 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 67234Z (27 November 2007); https://doi.org/10.1117/12.783692

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KEYWORDS

Fiber optic gyroscopes

Missiles

Collimation

Signal processing

Computer programming

Digital signal processing

Signal detection

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