TAILIEUCHUNG - Summary of engineering doctoral thesis: Research and develop the control algorithms using artifical neural network to estimate motor parameters and control ac motors

The objectives of the thesis: Propose algorithms for controlling speed and flux of AC motors; propose rotor speed and flux estimation algorithms for speed sensorless controlller of AC motors. | VIETNAM ACADEMY OF SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITY SCIENCE AND TECHNOLOGY . . LE HUNG LINH RESEARCH AND DEVELOP THE CONTROL ALGORITHMS USING ARTIFICAL NEURAL NETWORK TO ESTIMATE MOTOR PARAMETERS AND CONTROL AC MOTORS Major Control Engineering and Automation Code 62 52 02 16 SUMMARY OF ENGINEERING DOCTORAL THESIS Hanoi - 2016 This thesis is accomplished at Graduate University of Science and Technology Vietnam Academy of Science and Technology Supervisors 1 Assoc. Prof. DSc Pham Thuong Cat Supervisors 2 Dr. Pham Minh Tuan Examiner 1 . Examiner 2 . Examiner 3 . The thesis is to be presented to the Defense Committee of the Graduate University of Science and Technology - Vietnam Academy of Science and Technology At Date Month Year 2016 The complete thesis is availabe at the library - Graduate University of Science and Technology - Vietnam National Library 1 INTRODUCTION 1. A thesis statement necessary Nowadays AC motor is widely used both in industrial applications and in domestics ones because of perfective technique specifications such as impact high power economic convinient design control and maintenance. AC motor is used in pumps compressors oil and gas industry industrial or domestic fan elevator crane in construction industry robotic etc. Therefore the three last decades AC motor is used instead of DC motor because of eleminating the disadvantages of dc motor such as high maintenance cost for brush -commutator system vibration environments iginite flammable environments. Consequently AC motor is widely applied. However there are still some control problems of AC motor when it can be more applied. Many researches want to improve the effective operation reduce the production price but the results are still drawbacks. For example the effect of control methods using Kalman filter nonlinear filters or observers using sliding mode control to estimate rotor speed and flux depends on control algorithm estimation of some parameters and the accuracy of the motor

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