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Active and intelligent control onto thermal behaviors of a motorized spindle unit
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Zhang, Yifan, Wang, Ping, Liu, Teng, Gao, Weiguo, Chang, Wenfen, Tian, Yanling and Zhang, Dawei (2018) Active and intelligent control onto thermal behaviors of a motorized spindle unit. The International Journal of Advanced Manufacturing Technology, 98 (9-12). pp. 3133-3146. doi:10.1007/s00170-018-2425-8 ISSN 0268-3768.
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WRAP-active-intelligent-control-thermal-behaviors-motorized-spindle-unit-Tian-2018.pdf - Accepted Version - Requires a PDF viewer. Download (2825Kb) | Preview |
Official URL: http://dx.doi.org/10.1007/s00170-018-2425-8
Abstract
Motorized spindle unit is the core component of a precision CNC machine tool. Its thermal errors perform generally serious disturbance onto the accuracy and accuracy stability of precision machining. Traditionally, the effectiveness of the compensation method for spindle thermal errors is restricted by machine freedom degrees. For this problem, this paper presents an active, differentiated, and intelligent control method onto spindle thermal behaviors, to realize comprehensive and accurate suppressions onto spindle thermal errors. Firstly, the mechanism of spindle heat generation/dissipation-structural temperature-thermal deformation error is analyzed. This modeling conveys that the constantly least spindle thermal errors can be realized by differentiated and active controls onto its structural thermal behaviors. Based on this principle, besides, the active control method is developed by a combination of extreme learning machine (ELM) and genetic algorithm (GA). The aim is to realize the general applicability of this active and intelligent control algorithm, for the spindle time-varying thermal behaviors. Consequently, the contrasting experiments clarify that the proposed active and intelligent control method can suppress accurately and synchronously all kinds of spindle thermal errors. It is significantly beneficial for the improvements of the accuracy and accuracy stability of motorized spindle units.
Item Type: | Journal Article | ||||||||||||||||||
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Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Spindles (Machine-tools) -- Thermal properties -- Testing | ||||||||||||||||||
Journal or Publication Title: | The International Journal of Advanced Manufacturing Technology | ||||||||||||||||||
Publisher: | Springer-Verlag | ||||||||||||||||||
ISSN: | 0268-3768 | ||||||||||||||||||
Official Date: | October 2018 | ||||||||||||||||||
Dates: |
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Volume: | 98 | ||||||||||||||||||
Number: | 9-12 | ||||||||||||||||||
Page Range: | pp. 3133-3146 | ||||||||||||||||||
DOI: | 10.1007/s00170-018-2425-8 | ||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||
Reuse Statement (publisher, data, author rights): | This is a post-peer-review, pre-copyedit version of an article published in The International Journal of Advanced Manufacturing Technology. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00170-018-2425-8 | ||||||||||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||
Date of first compliant deposit: | 24 September 2018 | ||||||||||||||||||
Date of first compliant Open Access: | 30 July 2019 | ||||||||||||||||||
RIOXX Funder/Project Grant: |
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