PI controller for speed control of separately excited DC motor supplying from dual buck converter
DOI:
https://doi.org/10.15588/1607-6761-2025-4-2Keywords:
dc-dc buck converter, separately excited dc motor, speed control, dualAbstract
Purpose. The primary objective of this revision is to adjust the speed and overall performance of a separately excited direct current motor by implementing a traditional controller route that incorporates a Proportional-Integral (PI) controller. The objective of the present scheme is to verify the precise functionality of the motor by means of the dynamic regulation of the two input currents, which are sourced from two separate direct current (DC) power supplies. The objective of the present study is to apply the PI controller to achieve stable and effective performance, especially under variable load conditions, thereby reducing oscillations in speed and enhancing the motor's response to dynamic vagaries. This tactic has been demonstrated to enhance the motor's flexibility, rendering it particularly well-suited for scenarios that demand high-precision motion control. The research demonstrates the efficacy of the PI controller in preserving optimal operational parameters, thereby enhancing energy efficiency and system dependability.
Methodology. The design methodology of the Proportional-Integral (PI) controller is based on exact principles, with the aim of improving motor operation by defining the model controller parameters. This method guarantees the optimal system performance by means of successful adjustment of current inputs, with the objective of minimizing fluctuations and enhancing response stability. The tuning procedure involves the selection of appropriate proportional and integral gains, with a view to maintaining a balance between speed control and dynamic flexibility. The efficacy of the PI controller is enhanced by systematic parameter optimization, resulting in improved efficiency, reduced steady-state error, and enhanced transient response. Consequently, the controller is well-suited for applications that demand precise motor control.
Findings. The PI controller design increases separately the excited dc motor stability and regulates its speed.
Originality. This research introduces a modified control routine for a dual buck DC-DC converter, whereby one converter supplies power to the armature motor circuit, while the second provides power to the flux circuit. The originality of the work lies in the application of a devoted control system on the second converter, which has been built to adjust the flux current. It is evident that by controlling the flux current, the controller enhances the magnetic field stability.
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