Abstract

Implementation of proportional-integral (PI) controller for speed control of direct current (DC) servomotor drive is an emerging trend in recent years. PI controller is a simple effective method and it needs tuning of the control parameters to improve the performance of the converters. The local treatment of the parameter tuning is no longer possible and it is thus essential to design a suitable topology for flyback converters that has to reduce the overshoot and settling time. Here an advanced PI control algorithm has been framed that optimize the PI controller parameters using ant colony optimization and cuckoo search algorithm. The PI control algorithm is implemented in FPGA to drive the DC servomotor drive. Framing the conventional system with optimized PI control algorithm shows significant reduction of overshoot and settling time and works effectively for DC servomotor drive.

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