Simulation Based Analysis of Two Different Control Strategies for PMSM
Journal Title: INTERNATIONAL JOURNAL OF ENGINEERING TRENDS AND TECHNOLOGY - Year 2013, Vol 4, Issue 4
Abstract
—In low power application generally permanent magnet synchronous motor (PMSM) are used. Because of their high performance/cost ratio, the attention toward PMSM in variable speed application, is greater. Control of torque, rotation speed and position for four quadrants and low speed operation, with high-performance dynamic behaviour, are often required in industrial applications but they are sensitive from the standpoint of the control strategies reliability. Vector control based on fieldoriented control (FOC) is one of the methods most investigated and discussed by many researcher and now it is an industry standard. Traditional control methods based on FOC use position sensors result to be very expensive in electrical drive with low power. The aim of this paper is to show that sensorless control strategy based on MRAS approach can be applied successfully in PMSM drives with low cost. The results are obtained from comparison of two algorithms of vector control of PMSM: traditional FOC using position sensor and model reference adaptive system (MRAS) approach based on sensorless vector control .Based on results obtained, advantages and disadvantages of the proposed control structures will be discussed
Authors and Affiliations
Lindita Dhamo
Keywords
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