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Study on Multi-PM Motor Synchronous Drive System for Spinning

Author: LiShunZhi
Tutor: FengGuiHong
School: Shenyang University of Technology
Course: Motor and electrical
Keywords: Multi-motor Permanent magnet synchronous motors SVPWM Fuzzy PID
CLC: TM351
Type: Master's thesis
Year: 2010
Downloads: 59
Quote: 0
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Abstract


Chemical fiber spinning system is a multi- motor synchronous drive system , the synchronization system performance directly affects the quality of the fiber products . Through the analysis of the structure of the existing spinning system , replaced with a permanent magnet synchronous motor the original asynchronous motor as a spinning drive motor to improve the synchronization performance of the system at the same time , save energy and improve the overall efficiency of the system ; against chemical fiber spinning the wire system synchronization and speed fluctuation this paper based on the fuzzy PID motor synchronous master-slave control strategy to ensure synchronization between the multi-motor to meet the requirements of the chemical fiber spinning system . First, the calculation procedure of the preparation of a permanent magnet synchronous motor electromagnetic spinning 0.2kW rare earth permanent magnet synchronous motor inductance , reactance , the flux density parameter rational design , draw the electromagnetic energy efficient computing solutions . Magnetic field and then spinning permanent magnet synchronous motor design , analysis of the distribution of the magnetic field , the counter electromotive force and flux density , to verify the rationality and feasibility of the electromagnetic program . Secondly, spinning permanent magnet synchronous motor using space vector pulse width modulation technology to control various parts of the control of the modular design of each algorithm , and simulation studies , the simulation results show that the control method has fast response, the advantages of a small torque fluctuation , in line with the requirements of the fiber spinning system . Finally, we designed a fuzzy PID controller the PID parameters based on changes in the state of the system in real time , to build a fuzzy PID controller - based multi-motor synchronous drive system model , according to the actual situation of the system developed a fuzzy controller membership functions and fuzzy rules. In order to verify the performance of the control system with traditional PID controller based multi-motor synchronous control system compared simulation . The simulation results show that the fuzzy PID multi-motor synchronous control system to shorten the response time of the system , to improve the static and dynamic properties of the system , to improve the synchronization accuracy between the motor , to meet chemical fiber spinning system requirements .

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CLC: > Industrial Technology > Electrotechnical > Motor > A special motor > Permanent magnet motor
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