期刊
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
卷 63, 期 1, 页码 177-184出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2013.2273595
关键词
Error resetting; inertial navigation systems (INS); localization error accumulation
Error accumulation is one of the critical factors that limit the effective use of low-cost inertial navigation systems (INS) in tracking applications, especially during prolonged time intervals. This paper proposes an improved method to reduce the error accumulation by automatically resetting it in the INS-based systems. This method does not require any additional external sensors and reference systems and therefore offers various advantages. Necessary calibration has been done to accurately evaluate the parameters used within the method. The performance of this proposed resetting method has been experimentally evaluated by tracking the moving vehicles both in indoor and outdoor environments. Results of the experiments demonstrate that the proposed method can significantly reduce the INS errors and successfully recover the trajectories of the moving vehicles with an adequate accuracy.
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