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http://hdl.handle.net/10397/94614
Title: | Triaxial fast tool servo using hybrid electromagnetic-piezoelectric actuation for diamond turning | Authors: | Zhu, Z Chen, L Niu, Y Pu, X Huang, P To, S Zhu, L Zhu, Z |
Issue Date: | Feb-2022 | Source: | IEEE transactions on industrial electronics, Feb. 2022, v. 69, no. 2, p. 1728-1738 | Abstract: | A high-performance tri-axial fast tool servo (FTS) with the hybrid electromagnetic-piezoelectric actuation and the hybrid parallel-serial-kinematic structure is reported. Featuring the balanced and uniform actuation, a novel axis-symmetric linearized reluctance actuator is proposed to generate the planar motion in parallel, and the piezo-actuated vertical motion is then serially carried by the planar motion within a limited space. Verified by the finite element analysis, a two-stage design strategy is developed to optimally determine the multi-physical system parameters for the tri-axial FTS, assisted by an analytical model of the electromagnetic circuit as well as the mechanical mechanism. As for the trajectory tracking, the loop-shaping tuned PID controller with a feedforward compensator is employed for each axis, and a damping controller is additionally designed for the planar motion. Finally, both open-loop and closed-loop performance of the prototype are carefully demonstrated. IEEE | Keywords: | Bandwidth Electromagnetics Fast tool servo Force Hybrid parallel-serial-kinematic Linearized reluctance actu-ator Magnetic circuits Multi-physical parameter optimization Piezoelectric actuator Servomotors Tools Turning |
Publisher: | Institute of Electrical and Electronics Engineers | Journal: | IEEE transactions on industrial electronics | ISSN: | 0278-0046 | EISSN: | 1557-9948 | DOI: | 10.1109/TIE.2021.3060635 | Rights: | © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The following publication Zhu, Z. H., Chen, L., Niu, Y., Pu, X., Huang, P., To, S., ... & Zhu, Z. (2021). Triaxial Fast Tool Servo Using Hybrid Electromagnetic–Piezoelectric Actuation for Diamond Turning. IEEE Transactions on Industrial Electronics, 69(2), 1728-1738 is available at https://doi.org/10.1109/TIE.2021.3060635. |
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To_Triaxial_Fast_Tool.pdf | Pre-Published version | 12.27 MB | Adobe PDF | View/Open |
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