Design and implementation of an adaptive extended Kalman filter with interval type-3 fuzzy set for an attitude and heading reference system

IF 3.4 2区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Javad Faraji , Jafar Keighobadi , Farrokh Janabi-Sharifi
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引用次数: 0

Abstract

There are various techniques for estimating dynamic systems. Two of the most commonly used filters are the linear Kalman filter and the extended Kalman filter. However, these methods have some limitations since both the dynamic equations and the measurement equations need to be linearized. In addition, uncertainties in the dynamic equations and noise in the measurement equations must be considered when implementing these algorithms, which can be seen in the accurate determination of the covariance matrix of the process and measurement noise. This study focuses on improving the accuracy of the attitude and heading reference system through improved extended Kalman filter performance. This improvement is achieved by adjusting the covariance matrix with respect to the measurement noise using the interval type-3 fuzzy set in conjunction with the covariance matching technique. The novel algorithm is tested on a ground vehicle in an urban environment and its effectiveness compared to the traditional extended Kalman filter is demonstrated.
姿态航向参考系统区间3型模糊自适应扩展卡尔曼滤波器的设计与实现
有各种各样的技术来估计动态系统。两种最常用的滤波器是线性卡尔曼滤波器和扩展卡尔曼滤波器。然而,这些方法都有一定的局限性,因为动态方程和测量方程都需要线性化。此外,在实现这些算法时,必须考虑动态方程中的不确定性和测量方程中的噪声,这可以从精确确定过程和测量噪声的协方差矩阵中看出。本文的研究重点是通过改进扩展卡尔曼滤波性能来提高姿态和航向参考系统的精度。这种改进是通过使用区间3型模糊集结合协方差匹配技术来调整相对于测量噪声的协方差矩阵来实现的。在城市环境下的地面车辆上进行了实验,验证了该算法与传统扩展卡尔曼滤波相比的有效性。
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来源期刊
Signal Processing
Signal Processing 工程技术-工程:电子与电气
CiteScore
9.20
自引率
9.10%
发文量
309
审稿时长
41 days
期刊介绍: Signal Processing incorporates all aspects of the theory and practice of signal processing. It features original research work, tutorial and review articles, and accounts of practical developments. It is intended for a rapid dissemination of knowledge and experience to engineers and scientists working in the research, development or practical application of signal processing. Subject areas covered by the journal include: Signal Theory; Stochastic Processes; Detection and Estimation; Spectral Analysis; Filtering; Signal Processing Systems; Software Developments; Image Processing; Pattern Recognition; Optical Signal Processing; Digital Signal Processing; Multi-dimensional Signal Processing; Communication Signal Processing; Biomedical Signal Processing; Geophysical and Astrophysical Signal Processing; Earth Resources Signal Processing; Acoustic and Vibration Signal Processing; Data Processing; Remote Sensing; Signal Processing Technology; Radar Signal Processing; Sonar Signal Processing; Industrial Applications; New Applications.
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