Analysis of influence of Master INS acceleration quantization error on rapid transfer alignment

Kui Li; Wei Wang

doi:10.1117/12.807489

13 October 2008 Analysis of influence of Master INS acceleration quantization error on rapid transfer alignment

Kui Li, Wei Wang

Proceedings Volume 7129, Seventh International Symposium on Instrumentation and Control Technology: Optoelectronic Technology and Instruments, Control Theory and Automation, and Space Exploration; 71291F (2008) https://doi.org/10.1117/12.807489
Event: Seventh International Symposium on Instrumentation and Control Technology, 2008, Beijing, China

Abstract

Alignment of carrier-based aircraft inertial navigation system (slave inertial navigation system, SINS for short) on moving carrier needs velocity and attitude information from carrier inertial navigation system (MINS). If velocity and angular rate of the carrier are compensated, SINS alignment will be the same to static alignment. However, acceleration quantization in MINS will cause velocity error, which will influence the rapidity and accuracy of SINS alignment. This paper analyzes the influence of acceleration quantization error on SINS rapid alignment. Numerical simulations are performed, and the results show that if the quantization frequency of MINS accelerator is 24 KHz, and the correspondent alignment error of SINS is within 0.003° / h, the alignment time can not be less than 300s.

Citation Download Citation

Kui Li and Wei Wang "Analysis of influence of Master INS acceleration quantization error on rapid transfer alignment", Proc. SPIE 7129, Seventh International Symposium on Instrumentation and Control Technology: Optoelectronic Technology and Instruments, Control Theory and Automation, and Space Exploration, 71291F (13 October 2008); https://doi.org/10.1117/12.807489

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KEYWORDS

Quantization

Error analysis

Gyroscopes

Inertial navigation systems

Numerical simulations

Data acquisition

Optical alignment

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