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Online Dynamic Balance Technology for High Speed Spindle Based on Gain Parameter Adaption and Scheduling Control

College of Mechanical Engineering, Tianjin University of Technology and Education, Tianjin 300222, China
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Appl. Sci. 2018, 8(6), 917; https://doi.org/10.3390/app8060917
Received: 13 April 2018 / Revised: 5 May 2018 / Accepted: 21 May 2018 / Published: 3 June 2018
(This article belongs to the Section Mechanical Engineering)
Unbalance vibration is one of the main vibration forms of a high speed machine tool spindle. The overlarge unbalance vibration will have some adverse effects on the working life of the spindle system and the surface quality of the work-piece. In order to reduce the unbalance of a high speed spindle system, a pneumatic online dynamic balance device and its control system are presented in the paper. To improve the balance accuracy and adaptation of the balance system, the gain parameter adaption and scheduling control method are proposed first, and then the different balance effects of the influence coefficient method and the gain scheduling control method are compared through many dynamic balance experiments of the high speed spindle. The experimental results indicate that the gain parameters can be changed timely according to the transformation of the speed and kinetic parameters of the spindle system. The balance accuracy can be improved for a high speed spindle with time-varying characteristics, based on the adaptive gain scheduling control method. View Full-Text
Keywords: high speed spindle; online dynamic balance; gain scheduling control; parameter adaption; influence coefficient high speed spindle; online dynamic balance; gain scheduling control; parameter adaption; influence coefficient
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Zhang, S.; Wang, Y.; Zhang, Z. Online Dynamic Balance Technology for High Speed Spindle Based on Gain Parameter Adaption and Scheduling Control. Appl. Sci. 2018, 8, 917.

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