Universiti Teknologi Malaysia Institutional Repository

Range and bearing-based simultaneous localization and mapping of unmanned ground vehicle using unscented Kalman filter

Tang, S. H. and Yeong, Che Fai and Su, Eileen Lee Ming and Subramaniam, Yuvarajoo and Chin, P.J.H. (2016) Range and bearing-based simultaneous localization and mapping of unmanned ground vehicle using unscented Kalman filter. Journal of Telecommunication, Electronic and Computer Engineering, 8 (11). pp. 119-123. ISSN 2180-1843

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Abstract

This study deals with simultaneous localization and mapping problem by using unscented Kalman filter to compensate for observation outliers. In solving simultaneous localization and mapping problem using algorithms such as EKF or UKF, robot observations play a crucial part in determining its position estimation in any environment. If the robot observations obtained unexpected or fault values, the accuracy of the estimation will be deteriorated. In this research, an enhanced method based on UKF is developed to overcome the fault observation by assigning a weights to the observations. By comparing the observation values with its own estimate to detect the fault observations and then the weights of these observations are determined. Simulations were carried up to investigate the performance of the new method by comparing it with EKF-SLAM, UKF-SLAM and H∞ SLAM. The algorithms are compared in terms of parameters such as the RMSE and the runtime of the algorithm by using MATLAB. Results show that proposed method can performed better compared to other in dealing with observation outliers.

Item Type:Article
Uncontrolled Keywords:Mobile robot, Particle filter
Subjects:T Technology > T Technology (General)
Divisions:Malaysia-Japan International Institute of Technology
ID Code:71325
Deposited By: Siti Nor Hashidah Zakaria
Deposited On:20 Nov 2017 08:30
Last Modified:20 Nov 2017 08:30

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