Research on Dynamic Inclination Angle Identification of Monorail Transportation Robot Based on Fuzzy Entropy Weighted Fusion
LIU Zechao1,LI Jingzhao1,ZHENG Changlu2,WANG Guofeng3
1. School of Electrical and Information Engineering, Anhui University of Science and Technology, Huainan,Anhui 232001, China
2. Shanghai Shenchuan Electric Co., Ltd., Shanghai 201800, China
3. Huaihe Energy Holding Group Co., Ltd., Huainan, Anhui 232001, China
Abstract：For the problem of low identification accuracy in detecting the dynamic inclination angle of monorail robots, a precise identification method for the dynamic inclination angle of monorail transport robot based on fuzzy entropy weighted fusion is proposed. Firstly, based on the constructed dual model of orbit curvature and inclination angle change, the improved forgetting recursive least squares (IFFRLS) algorithm is used to calculate the dynamic change rate of orbit curvature and inclination angle respectively. Secondly, taking the orbit curvature value and the dynamic change rate of inclination angle as input values, the extended Kalman filter (EKF) and unscented Kalman filter (UKF) algorithms are used to iteratively update and calculate the dynamic angle of inclination angle respectively. Finally, the global fuzzy entropy weighted fusion (GFEWF) is used to deeply fuse the angle values to improve the detection accuracy of dynamic inclination angle. The experiments show that the global fuzzy entropy weighted fusion (GFEWF) algorithm based on double model improves the identified dynamic inclination accuracies in rail segment 1 and rail segment 2 by 10.38% and 25.60% on average, respectively, compared with the single model-based UKF or EKF algorithms.
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2024, Vol. 45 
