1. Malwiya, R. and Rai, V., Optimum tuning of PI controller parameter for speed control of induction motor, Int. J. Adv. Technol. Eng. Res., 2015, vol. 5, pp. 21–24.
2. Nayak, A. and Singh, M., Study of tuning of PID controller by using particle swarm optimization, Int. J. Adv. Eng. Res. Stud., 2015, pp. 346–350.
3. Vikhe, P.S., Punjabi, N., and Kadu, C.B., DC motor speed control using PID controller in lab view, Int. J. Innovative Sci. Mod. Eng., 2015, vol. 3, pp. 38–41.
4. Ali, H. and Wadhwani, S., Intelligent PID controller tuning for higher order process system, Int. J. u- e- Serv. Sci. Technol., 2015, vol. 8, pp. 323–330.
5. Rezaee, A. and Golpayegani, M.K., Intelligent control of cooling-heating systems by using emotional learning, Electron. Electr. Eng., 2012, vol. 18, no. 4, pp. 26–30.