An Outer Voltage-Loop Flux-Weakening Control Based on Over-Modulation of the Permanent Magnet Synchronous Motor

Researched on the permanent magnet synchronous motor (PMSM) for the electric-drive tracked bulldozer, an outer voltage-loop flux-weakening control strategy based on over-modulation, which is an organic combination of the traditional outer voltage-loop flux-weakening control and over-modulation algor...

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Bibliographic Details
Published in:2015 International Conference on Computer Science and Mechanical Automation (CSMA) pp. 285 - 291
Main Authors: Jiakun Lin, Qunzhang Tu, Xia Feng, Kejun Duan
Format: Conference Proceeding
Language:English
Published: IEEE 01.10.2015
Subjects:
experiment
flux-weakening control
outer voltage-loop
over-modulation
Permanent magnet motors
permanent magnet synchronous motor
simulation
Space vector pulse width modulation
Synchronous motors
Torque
Voltage control
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Summary:Researched on the permanent magnet synchronous motor (PMSM) for the electric-drive tracked bulldozer, an outer voltage-loop flux-weakening control strategy based on over-modulation, which is an organic combination of the traditional outer voltage-loop flux-weakening control and over-modulation algorithm, is presented in this paper. The simulation and the experiment of the control strategy are carried out. Compared to the general flux-weakening control strategy, this strategy can make the DC bus voltage be fully utilized, so that the motor can be maintained at the maximum linear modulation under the steady-state condition. The responsiveness of the motor is realized to improve effectively, and the efficiency of the motor control system is maintained in a high range. The feasibility of the strategy is verified through comparison. This paper provides the basis for the study of the high-performance control of the PMSM for the electric-drive tracked bulldozer.
DOI:10.1109/CSMA.2015.64