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2013
Conference Paper
Titel
Tracking control of a balancing robot
Abstract
This paper presents a control concept for a single-axle mobile robot which moves on the horizontal plane. After introducing the nonholonomic mechanical system, a mathematical model is derived using Hamel's equations of motion. Subsequently, a concept for a tracking controller is described in detail. This controller keeps the mobile robot on a given reference trajectory while maintaining it in an upright position. The control objective is reached by a cascade control structure. By an appropriate input transformation, we are able to utilize a partial linearization of the system. For the remaining dynamics a linear set-point control law is presented. Finally, the performance of the implemented control law is illustrated by simulation results.