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Using LSM method to identify parameters according to the example of BLDC motor

Abstract

Using LSM method to identify parameters according to the example of BLDC motor

Schagin A. V., Nguyen Thanh Duong

Incoming article date: 29.07.2020

This article illustrates specifically how to use least squares method (LSM) and sensitivity function to cope with parametric identification problems. The object of this task is BLDC motor. The example of BLDC can justify the application of LSM and sensitivity function method for estimating nonlinear dynamic objects’ parameters, and the application for motor controlling system in particular. The model in the article is conducted by Matlab. The output is a proof to convey that the method used in solving the problem is accurate, and proves the possibility of its application in scientific and engineering field.

Keywords: parametric identification, least squares method, sensitivity function, BLDC motor, electric drive