Balancing control of a cubical robot balancing on its corner
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Aiming at the problem of balancing control of a cubical robot, this paper makes a research on the balancing control of a cubical robot balancing on its corner. Using the physical prototype of cubical robot we designed as the research object, the dynamic model is derived with Lagrangian method. A balancing controller is proposed base on a nonlinear control method - active disturbance rejection control (ADRC). There are three ADRC controllers in pitch, roll and yaw direction. The internal and external disturbance of the system are regarded as the total disturbances of the ADRC controller. The effectiveness of the controller is verified in the comparison with PID algorithm with the obtained expect effect. The controller developed can provide a base for further study for balancing control of a physical prototype cubical robot.