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Position Sensorless Speed Control System Permanent Magnet Synchronous Motors Based on the Armature Resistance Identification

Author: HeLiChao
Tutor: XuJianYing
School: Liaoning University of Science and Technology
Course: Power Electronics and Power Drives
Keywords: Permanent magnet synchronous motor the armature resistance observer position sensorless position estimation Vector control
CLC: TM341
Type: Master's thesis
Year: 2012
Downloads: 64
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Abstract


Permanent magnetic synchronous motor (PMSM) has been attached great importance in theoretically study and practical use due to its incomparable advantages, such as high power density, high efficiency, and high performance etc. Permanent magnet synchronous motor and its driving control circuit of the system has been widely used in CNC machine tools, robots, and aviation, aerospace and marine fields. In some special application of motor drive, the reliability of the system is particularly important, sensorless permanent magnet synchronous motor system is a research hot spot in motor control technology. This thesis mainly focuses on the interior permanent magnet synchronous motor ( IPMSM ) position sensorless speed control system study.Presented with the armature resistance observer sensorless interior permanent magnet synchronous motor position and velocity estimation method, targeted for motor rotor position and speed estimation of motor parameters online, on-line detection and motor control strategies and problems are studied.Introduction of the permanent magnet synchronous motor model and the vector control principle, and illustrates the space vector pulse width modulation ( SVPWM ) technology theory. Derivation of the permanent magnet synchronous motor in two phase still coordinates motor model, design of sensorless permanent magnet synchronous motor vector control system. In Matlab / Simulink simulation test, results showed that the parameter variations and load disturbances is robust, armature resistance observer and composed of the position sensorless speed control system with excellent performance.

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CLC: > Industrial Technology > Electrotechnical > Motor > AC motor > Synchronous motor
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