Mehdi Nasri and  Hossein Nezamabadi-pour and  Malihe Maghfoori,  A PSO-Based Optimum Design of PID Controller for a Linear Brushless DC Motor.   journal   = {International Journal of Electrical and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2007, vol. 2(2). 179 - 183
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10876.