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A mathematical model of a brushed DC motor system

Authors

  • N. N. A. Rahman Faculty of Manufacturing and Mechatronic Engineering Technology, College of Engineering Technology, 26600 Pekan, Pahang, Malaysia.
  • N. M. Yahya Faculty of Manufacturing and Mechatronic Engineering Technology, College of Engineering Technology, 26600 Pekan, Pahang, Malaysia.

DOI:

https://doi.org/10.15282/daam.v2i2.6830

Keywords:

DC motor, PI-PD controller, Transient response, Conveyor system, Trial-and-error method

Abstract

Mathematical model has been proposed for some system that involves a brushed DC motor and it is widely used in industry. Brushed DC motor ideals for applications with a low- torque, manage to change pace or speed and it is widely used in many applications such as x-y table positioning system, conveyor systems and other system that required to use the features that brushed DC motor have. Mathematical model of brushed DC motor in order to verify the performance of the DC motor. In this paper, mathematical model of brushed DC motor will be derived from a brushed DC motor circuit that consist of two parts that are electrical and mechanical part. To validate the functionality of mathematical model, the performance of the brushed DC motor without any controller will be compared with the brushed DC motor with the presence of PI-PD controller that will be tuned by trial-and-error method. Performances of both brushed DC motor with and without controller will be compared in terms of transient response which are, rise time, Tr, settling time, Ts, steady state error, ess and lastly percentage overshoot. At the end of the study, the brushed DC motor with PI-PD controller show a better performance compared to the brushed DC motor without any controller.

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Published

2021-12-06

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