[1]
K. Orman, A. Basci, and A. Derdiyok, “Speed and Direction Angle Control of Four Wheel Drive Skid-Steered Mobile Robot by Using Fractional Order PI Controller”, ELEKTRON ELEKTROTECH, vol. 22, no. 5, pp. 14–19, Oct. 2016, doi: 10.5755/j01.eie.22.5.16337.