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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/28100

Title: An Adaptive Fuzzy Strong Tracking Kalman Filter for GPS/INS Navigation
Authors: Dah-Jing Jwo;Cheng-Min Huang
Contributors: NTOU:Department of Communications Navigation and Control Engineering
Date: 2007-11-05
Issue Date: 2011-10-21T02:35:52Z
Publisher: The 33rd Annual Conference of the IEEE Industrial Electronics Society (IECON)
Abstract: Abstract:The Kalman filtering is a form of recursive optimal estimation, which has been widely applied to the navigation designs. Kalman filter requires that all the plant dynamics and noise processes are exactly known, and the noise process is zero mean white noise. If the theoretical behavior of a filter and its actual behavior do not agree, divergence problems will occur. The adaptive algorithm has been one of the approaches to prevent divergence problem of the Kalman filter when precise knowledge on the system models are not available. One of the adaptive methods called the strong tracking Kalman filter (STKF) properly employs a scaling factor, by monitoring the innovation information. Traditional approach for selecting the parameter in the STKF heavily relies on personal experience or computer simulation. In order to resolve this shortcoming, a novel scheme called the adaptive fuzzy strong
tracking Kalman filter (AFSTKF) is proposed. In the AFSTKF, the fuzzy logic reasoning approach is incorporated into the STKF. By monitoring parameters based on the innovation information, the fuzzy logic adaptive system (FLAS) is designed for dynamically adjusting the parameter according to the change in vehicle dynamics. Integrated navigation processing using the AFSTKF will be conducted to validate the effectiveness of the proposed strategy. The performance of the proposed AFSTKF scheme will be assessed and compared to those of conventional EKF and STKF.
Relation: pp.2266-2271
URI: http://ntour.ntou.edu.tw/handle/987654321/28100
Appears in Collections:[通訊與導航工程學系] 演講及研討會

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