DISCRETE TIME DC MOTOR MODEL FOR LOAD TORQUE ESTIMATION FOR PID-IMC SPEED CONTROL

被引：5

作者：

Arenas-Rosales, Filemon ^{[1
]}

Martell-Chavez, Fernando ^{[2
]}

Sanchez-Chavez, Irma Y. ^{[3
]}

机构：

[1] Ctr Invest Opt AC, Aguascalientes, Aguascalientes, Mexico

[2] Ctr Invest Opt AC, Technol Dev Dept, Aguascalientes, Aguascalientes, Mexico

[3] Univ Politecn Aguascalientes, Grad Acad Dept, Aguascalientes, Aguascalientes, Mexico

来源：

MECHATRONIC SYSTEMS AND CONTROL | 2022年 / 50卷 / 02期

关键词：

Euler backward differences; adaptive PID control; DC motor speed control; internal modelling control IMC;

D O I：

10.2316/J.2022.201-0265

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This study explores the direct current (DC) motor load torque calculation using an effective discretization of the motor dynamics and the proper choice of sample time. The Euler backward differences and the bilinear transform methods are compared considering an adequate sampling time that is not usually specified in discretization methods. The Euler backward differences discretization of a reduced order motor model was solved and computed for the load torque. The real-time estimation of the motor load can be used in an internal model control-based proportional integral derivative control strategy. Results show that the proposed control scheme has robust performance for variable load and variable speed for motor control applications.

引用

页码：102 / 108

页数：7

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