Modeling and Simulation of Electromechanical Coupling Dynamics for Permanent Magnet Synchronous AC Servomotor

Xiang Xin He; Jian Guo Li; Yue Hua Pang

doi:10.4028/www.scientific.net/AMR.418-420.2106

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 418-420Modeling and Simulation of Electromechanical...

Modeling and Simulation of Electromechanical Coupling Dynamics for Permanent Magnet Synchronous AC Servomotor

Abstract:

Lagrange-Maxwell equations and Park transform are adopted based on electrical and mechanical energy equations consisting of servomotor parameters. Lagrange-Maxwell equations are transformed from three-phase stator reference coordinates to two-phase rotor reference coordinates. Electromechanical coupling dynamics equations of permanent magnet synchronous servomotor in two-phase reference coordinates are obtained. In this dynamical modeling method of electromechanical coupling system, to establish dynamical differential equations needs to measure amplitude of the flux induced by the permanent magnets and the winding's inductance in dq0 reference of the motor but needs not to measure the size of magnetic circuit. The equations deduced is terse, efficient, and the equations easy to use. Electromechanical coupling dynamics system, servomotor is simulated. Simulation results show that the electromechanical coupling dynamics equations deduced for servomotor are correct, and current control schemes are reasonable.

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Materials Processing Technology, ICAMMP2011

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Periodical:

Advanced Materials Research (Volumes 418-420)

Pages:

2106-2109

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.418-420.2106

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Online since:

December 2011

Authors:

Xiang Xin He, Jian Guo Li, Yue Hua Pang

Keywords:

Dynamic, Electromechanical Coupling System, Permanent Magnet Synchronous Motor (PMSM)

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