A STUDY OF MRAS BASED SPEED ESTIMATION OF SENSORLESS INDUCTION MOTOR USING MATLAB AND SIMULINK MODELLING

Q3 Social Sciences

Journal of Urban and Environmental Engineering Pub Date : 2019-02-27 DOI:10.4090/juee.2019.v13n2.246256

Surya Prakash Pattanayak, Divya Prakash Pattanayak

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引用次数: 0

Abstract

Model reference adaptive system(MRAS) based techniques are one of the best method to estimate the rotor speed due to its performance and straight forward stability approach.These techniques use two different models which have made the speed estimation a reliable scheme especially when the variations.The scheme use the stator equation and rotor equation as the reference model and the adjustable model respectively.The output error from both models is tuned using a PI controller yielding the estimated rotor speed.It presents the identification and parameter estimation of an induction motor model with parameters varying as functions of the operating conditions. A Sensorless torque control system for induction motors is developed. The system allows for fast and precise torque tracking over a wide range of speed.The induction motor is controlled through field orientation techniques that require knowledge of the rotor speed.Since speed sensors decrease the reliability of a drive system (and increase its price), a common trend in motor control is to use an observer to estimate speed.

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基于MRAS的无传感器感应电动机速度估计的MATLAB和SIMULINK建模研究

基于模型参考自适应系统(MRAS)的技术由于其良好的性能和直接的稳定性方法而成为估计转子转速的最佳方法之一。这些技术使用了两种不同的模型，这使得速度估计成为一种可靠的方案，特别是当变化时。该方案分别采用定子方程和转子方程作为参考模型和可调模型。两个模型的输出误差使用PI控制器产生估计的转子转速进行调谐。研究了参数随工况变化的异步电动机模型的辨识和参数估计问题。研制了一种异步电动机无传感器转矩控制系统。该系统允许在广泛的速度范围内快速和精确的扭矩跟踪。感应电机通过需要转子速度知识的磁场定向技术进行控制。由于速度传感器降低了驱动系统的可靠性(并增加了其价格)，因此电机控制的一个共同趋势是使用观测器来估计速度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Urban and Environmental Engineering Social Sciences-Urban Studies

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

24 weeks

期刊介绍： Journal of Urban and Environmental Engineering (JUEE) provides a forum for original papers and for the exchange of information and views on significant developments in urban and environmental engineering worldwide. The scope of the journal includes: (a) Water Resources and Waste Management [...] (b) Constructions and Environment[...] (c) Urban Design[...] (d) Transportation Engineering[...] The Editors welcome original papers, scientific notes and discussions, in English, in those and related topics. All papers submitted to the Journal are peer reviewed by an international panel of Associate Editors and other experts. Authors are encouraged to suggest potential referees with their submission. Authors will have to confirm that the work, or any part of it, has not been published before and is not presently being considered for publication elsewhere.