A. N. K. Nasir and M. A. Ahmad and R. M. T. Raja Ismail, The Control of a Highly Nonlinear Two-wheels Balancing Robot: A Comparative Assessment between LQR and PID-PID Control Schemes. journal = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology. October 2010, vol. 46(10). 942 - 947 [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/15128.