引用本文:WANG Hui,ZHU Dao-yang,CHENG Yuan-ji.[en_title][J].Journal of Chongqing University (English Edition),2018,17(1):27~38
WANG Hui,ZHU Dao-yang,CHENG Yuan-ji.Design of fuzzy adaptive washout algorithm based on the novel tilt coordinate[J].Journal of Chongqing University (English Edition),2018,17(1):27~38
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Design of fuzzy adaptive washout algorithm based on the novel tilt coordinate
WANG Hui1, ZHU Dao-yang2,3, CHENG Yuan-ji1
1.College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, P. R. China;2.1.College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, P. R. China;3.2.School of Mechanic and Electrical Engineering, Wuhan Technical College of Communications, Wuhan 430000, P. R. China
摘要:
Motion simulator usually appears the phenomenon of false cues and the workspace is limited in the process of washout. The proposed washout algorithm combines fuzzy logic control with the vestibular system to design the tilt coordination fuzzy adaptive filter, in order to minimize the vestibular sensory error below the human perception threshold. Owing to tilt coordination angular velocity limiter, the loss of low-pass acceleration must be compensated by the acceleration transform model. The translational channel decreases the possibility of the workspace beyond limitation and expands the scope of motion platform simulating input acceleration by using third-order filter. The simulation results show that the proposed algorithm can effectively overcome the phase retardation of classical washout algorithm, and then prevent the produce of false cues, decrease the displacement of motion platform simultaneously; in addition, white Gaussian noise simulates large variations in acceleration. The proposed washout algorithm can have maximal extreme value of acceleration and accurate simulating performance in general. It also proves that the proposed washout algorithm has a strong adaptability and reliability, which can effectively improve the dynamic fidelity for motion simulator.
关键词:  classical washout algorithm  fuzzy control  false cues  tilt coordinate  washout filter  vestibular system
DOI:10.11835/j.issn.1671-8224.2018.01.003
分类号:
基金项目:Funded by the National Natural Science Foundation of China (U1233107) and Civil Aviation Science and Technology Innovation Project of China (MHRD20140210).
Design of fuzzy adaptive washout algorithm based on the novel tilt coordinate
WANG Hui1, ZHU Dao-yang2,3, CHENG Yuan-ji1
1.College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, P. R. China;2.1.College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, P. R. China;3.2.School of Mechanic and Electrical Engineering, Wuhan Technical College of Communications, Wuhan 430000, P. R. China
Abstract:
Motion simulator usually appears the phenomenon of false cues and the workspace is limited in the process of washout. The proposed washout algorithm combines fuzzy logic control with the vestibular system to design the tilt coordination fuzzy adaptive filter, in order to minimize the vestibular sensory error below the human perception threshold. Owing to tilt coordination angular velocity limiter, the loss of low-pass acceleration must be compensated by the acceleration transform model. The translational channel decreases the possibility of the workspace beyond limitation and expands the scope of motion platform simulating input acceleration by using third-order filter. The simulation results show that the proposed algorithm can effectively overcome the phase retardation of classical washout algorithm, and then prevent the produce of false cues, decrease the displacement of motion platform simultaneously; in addition, white Gaussian noise simulates large variations in acceleration. The proposed washout algorithm can have maximal extreme value of acceleration and accurate simulating performance in general. It also proves that the proposed washout algorithm has a strong adaptability and reliability, which can effectively improve the dynamic fidelity for motion simulator.
Key words:  classical washout algorithm  fuzzy control  false cues  tilt coordinate  washout filter  vestibular system
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