EXTRACTING THE NON- OBSERVABLESTATES IN ALIGNMENT & CALIBRATION PROCESS FOR GIMBALLED INERTIAL NAVIGATION SYSTEMS

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SALEHI AMIRI S.M.; NIKKHAH A.A.; NOBAHARI H.

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Journal: Journal of Space Science and Technology Year:2014 | Volume:7 | Issue:3 Page(s): 1-8

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Title

EXTRACTING THE NON- OBSERVABLESTATES IN ALIGNMENT & CALIBRATION PROCESS FOR GIMBALLED INERTIAL NAVIGATION SYSTEMS

Author(s)

SALEHI AMIRI S.M. | NIKKHAH A.A. | NOBAHARI H. | Issue Writer Certificate

Keywords

INERTIAL NAVIGATIONQ2

GIMBALLEDQ1

INITIAL ALIGNMENTQ2

GENETIC HEURISTIC OPTIMIZATION ALGORITHMQ2

Abstract

This paper presents a method for calculation the non observable states in alignment and calibration process in GIMBALLED INERTIAL NAVIGATION system, using estimation method in static linear system and heuristic optimization algorithms. The non observable constant states in alignment process are horizontal accelerometers biases and azimuth gyroscope drift. In order to use the estimation method in static system, the observations are recorded in necessary time duration to convert the dynamic alignment process to static process. Simulation results show appropriate accuracy of purposed method for calculation the non observable states. Although the case study is the alignment process for GIMBALLED INERTIAL NAVIGATION system, the purposed method can be used for calibration and alignment of any INERTIAL NAVIGATION systems. In purposed method the GENETIC HEURISTIC OPTIMIZATION ALGORITHM is used.

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APA: Copy

SALEHI AMIRI, S.M., NIKKHAH, A.A., & NOBAHARI, H.. (2014). EXTRACTING THE NON- OBSERVABLESTATES IN ALIGNMENT & CALIBRATION PROCESS FOR GIMBALLED INERTIAL NAVIGATION SYSTEMS. JOURNAL OF SPACE SCIENCE AND TECHNOLOGY (JSST), 7(3 ), 1-8. SID. https://sid.ir/paper/149994/en

Vancouver: Copy

SALEHI AMIRI S.M., NIKKHAH A.A., NOBAHARI H.. EXTRACTING THE NON- OBSERVABLESTATES IN ALIGNMENT & CALIBRATION PROCESS FOR GIMBALLED INERTIAL NAVIGATION SYSTEMS. JOURNAL OF SPACE SCIENCE AND TECHNOLOGY (JSST)[Internet]. 2014;7(3 ):1-8. Available from: https://sid.ir/paper/149994/en

IEEE: Copy

S.M. SALEHI AMIRI, A.A. NIKKHAH, and H. NOBAHARI, “EXTRACTING THE NON- OBSERVABLESTATES IN ALIGNMENT & CALIBRATION PROCESS FOR GIMBALLED INERTIAL NAVIGATION SYSTEMS,” JOURNAL OF SPACE SCIENCE AND TECHNOLOGY (JSST), vol. 7, no. 3 , pp. 1–8, 2014, [Online]. Available: https://sid.ir/paper/149994/en

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