Fractional Order Modeling of 1,2,3 DOF Robot Dynamic

Abstract

<p class="15">The fractional order modeling method of robot dynamics with one, two and three degrees of freedom is introduced. The stability of the fractional order model is proved by using the second-order Lyapunov method. A basic physical parameter is considered, that is, the inertial mass of the connecting rod. Freecad software is used for mechanical design. The dynamic models of 2-<span style="font-family: 'Times New Roman';">DOF</span> and 3-<span style="font-family: 'Times New Roman';">DOF</span> robots are established, and their motion trajectories are given in plane (x, y) and space (x, y, z) respectively. The model is programmed on the development card based on microcontroller. The advantage of the development card lies in its peripheral output<span style="font-family: 'Times New Roman';">,</span> <span style="font-family: 'Times New Roman';">because</span> it has two analog output channels<span style="font-family: 'Times New Roman';">,</span> <span style="font-family: 'Times New Roman';">which are sent</span> to the oscilloscope. The results are consistent with the proposed model.</p>