Ibrahim F. Jasim and  Najah F. Jasim,  Robust Adaptive Control of a Robotic Manipulator with Unknown Dead Zone and Friction Torques.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2010, vol. 44(8). 669 - 676
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10494.