Issue |
MATEC Web of Conferences
Volume 40, 2016
2015 International Conference on Mechanical Engineering and Electrical Systems (ICMES 2015)
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Article Number | 08001 | |
Number of page(s) | 6 | |
Section | Mechatronics and electrical system | |
DOI | https://doi.org/10.1051/matecconf/20164008001 | |
Published online | 29 January 2016 |
The Effect of the Rotor Static Eccentricity on the Electro-Mechanical Coupled Characteristics of the Motorized Spindle
College of Electromechanical Engineering, Lanzhou University of Technology, Lanzhou, China
High-speed motorized spindle is a multi-variable, non-linear and strong coupling system. The rotor static eccentricity is inevitable because of machining or assembling error. The rotor static eccentricities have an important effect on the electromechanical coupled characteristics of the motorized spindle. In this paper, the electromechanical coupled mathematical model of the motorized spindle was set up. The mathematical model includes mechanical and electrical equation. The mechanical and electrical equation is built up by the variational principle. Furthermore, the inductance parameters without the rotor static eccentricity and the inductance parameters with rotor static eccentricity have been calculated by the winding function method and the high speed motorized spindle was simulated. The result show that the rotor static eccentricity can delay the starting process of the motorized spindle, and at steady state, the rotor circuit currents are still large because of the rotor static eccentricity.
© Owned by the authors, published by EDP Sciences, 2016
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