Design and Analysis of Magnetic Encondor

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Nikzad, Mahdi | 2023

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 56449 (05)
University: Sharif University of Technology
Department: Electrical Engineering
Advisor(s): Nasiri Gheidari, Zahra
Abstract:
Measuring the speed and position of the rotating part and using the speed and position information in the closed loop control of electric machines is very important. Various sensors are available for this purpose, including resistive sensors, capacitive sensors, encoders, synchros, resolvers, Halleffect sensors, and etc. Common encoders include optical and magnetic types. There are two main problems in using an encoder as a sensor: determining/maintaining accuracy during change of rotational direction and determining the absolute position. Both of the mentioned challenges have been investigated in the case of optical encoders and some solutions have been provided to overcome them. Although magnetic encoders are widely used in the industry, the researches related to them are limited and few scientific studies have been done on them; Therefore, in this project, the design and modeling of this type of sensors has been considered with the aim of finding solutions for their challenges
Keywords:
Optimization ; Finite Element Simulation ; Speed Sensor ; Magnetic Encoder ; Position Sensor ; Velocity Measurment ; Close Loop Control

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