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Title: Errors determination of the MEMS IMU
Authors: Luu, Manh Ha
Tran, Duc Tan
Nguyen, Thanh Long
Nguyen, Dinh Duc
Nguyen, Phu Thuy
Keywords: Errors determination;Micro-Electro-Mechanical-System (MEMS)
Issue Date: 2006
Publisher: H. : ĐHQGHN
Series/Report no.: Vol. 22;No. 4 (2006)
Abstract: The demand of navigation and guidance has been urgent for many years. In fact, INS is daily used in controlling flight dynamics. Nowadays, with the strong growth of Micro-Electro-Mechanical-System (MEMS) technology, the Inertial Navigation Systems (INS) is applied widely. However, there are existing errors in the accelerometer and gyroscope signals that cause unacceptable drifts. There are two kinds of noise in the INS: deterministic and stochastic errors. The deterministic noises are usually eliminated by the carefully calibration process but the stochastic noises are always difficult to treat. In this paper, we have determined successfully the characteristics of the MEMS sensors’ noise by analyzing the Power Spectrum Density (PSD) and the Allan variance of the experiment data. Combining these two methods will give us a reliable noise model that is applied directly to the Noise Eliminating Block (NEB),
Description: p. 6-14
ISSN: 2588-1124
Appears in Collections:Mathematics and Physics

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