M. Almeshal and  M. O. Tokhi and  K. M. Goher,  Stabilization of a New Configurable Two- Wheeled Machine Using a PD-PID and a Hybrid FL Control Strategies: A Comparative Study.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2012, vol. 70(10). 2032 - 2039
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/3753.