A review of integer order PID and fractional order PID controllers using optimization techniques for speed control of brushless DC motor drive. - Vanchinathan Kumarasamy; Valluvan KarumanchettyThottam Ramasamy; Gokul Chandrasekaran; Gnanavel Chinnaraj; Padhmanabhaiyappan Sivalingam; Neelam Sanjeev Kumar (Int. J. Syst. Assur. Eng. Manag., 2023)