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An Efficient Insertion Control Method for Precision Assembly of Cylindrical Components
Liu, Song1; Li, You-Fu1; Xing, Deng-Peng2; Xu, De2; Su, Hu2; Liu S(刘松)
Source PublicationIEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
2017-12-01
Volume64Issue:12Pages:9355-9365
SubtypeArticle
AbstractIn this paper, an efficient insertion control strategy is presented for precision assembly of cylindrical components with interference fit. It has two inherent advantages compared with existing insertion methods in the domain of precision assembly. First, it does not need preparatory actions dedicated for horizontal forces before insertion actions, which is realized by integrating the preparations into the insertion step. Second, instead of inserting with fixed incremental depth, it estimates the insertion depth for every action to be as large as possible with a probabilistic approach. Specifically, the insertion of components is modeled as a stochastic state transition process with the uncertainty described by Gaussian distribution. The state transition function is well defined based on analysis of the historical assembly data and the universal mechanical properties of the components. An assessment function is also elaborately designed to evaluate the performance of the state transition function in order to stimulate the control strategy to behave progressively or conservatively. Finally, the action to be taken for the current state is decided by iterative calculations in N steps estimation manner. An automatic assembly system is developed to verify the effectiveness of the proposed control method. Experimental results show that the assembly process with the proposed insertion control strategy can finish within 30 steps, which is at least four times more efficient than the process with the traditional method.
KeywordAssessment Function Discount Factor Insertion Control Strategy Insertion Depth Estimation Precision Assembly Stochastic State Transition
WOS HeadingsScience & Technology ; Technology
DOI10.1109/TIE.2017.2711551
WOS KeywordPARTS
Indexed BySCI
Language英语
WOS Research AreaAutomation & Control Systems ; Engineering ; Instruments & Instrumentation
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS IDWOS:000413946800018
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/19816
Collection精密感知与控制研究中心_精密感知与控制
Corresponding AuthorLiu S(刘松)
Affiliation1.City Univ Hong Kong, Kowloon, Hong Kong, Peoples R China
2.Chinese Acad Sci, Inst Automat, Res Ctr Precis Sensing & Control, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, Song,Li, You-Fu,Xing, Deng-Peng,et al. An Efficient Insertion Control Method for Precision Assembly of Cylindrical Components[J]. IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS,2017,64(12):9355-9365.
APA Liu, Song,Li, You-Fu,Xing, Deng-Peng,Xu, De,Su, Hu,&刘松.(2017).An Efficient Insertion Control Method for Precision Assembly of Cylindrical Components.IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS,64(12),9355-9365.
MLA Liu, Song,et al."An Efficient Insertion Control Method for Precision Assembly of Cylindrical Components".IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 64.12(2017):9355-9365.
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