Operation at low speed and high torque can lead to the generation of strong ripples in
the speed, which can deteriorate the system. To reduce the speed oscillations when operating a
five-phase asynchronous motor at low speed, in this article, we propose a control method based on
Gray Wolf optimization (GWO) algorithms to adjust the parameters of proportional–integral (PI)
controllers. Proportional–integral controllers are commonly used in control systems to regulate the
speed and current of a motor. The controller parameters, such as the integral gain and proportional
gain, can be adjusted to improve the control performance. Specifically, reducing the integral gain
can help reduce the oscillations at low speeds. The proportional–integral controller is insensitive to
parametric variations; however, when we employ a GWO optimization strategy based on PI controller
parameters, and when we choose gains wisely, the system becomes more reliable. The obtained
results show that the hybrid control of the five-phase induction motor (IM) offers high performance in
the permanent and transient states. In addition, with this proposed strategy controller, disturbances
do not affect motor performance
Citation
HEMZA Mekki ,
Malika FODIL ,
ALI Djerioui ,
Mohamed Ladjal ,
FOUAD Berrabah ,
SAMIR Zeghlache ,
Azeddine Houari, Mohamed Fouad Benkhoris, , (2023-05-22), Optimization of PI Controller Parameters by GWO Algorithm for Five-Phase Asynchronous Motor, Energies,
Vol:16, Issue:10, pages:1-14, Licensee MDPI, Basel, Switzerland.