Abstract
In recent years, high-speed vision systems are increasingly used for robot control. However, robot systems developed to date have not sufficiently utilized rapid responses of high-speed vision due to poor performance of control methods. In order to realize high-speed robot operation, it is necessary to design a control method to use the maximum torque generated by the robot. In this paper, we propose a control method integrating high speed visual processing and real time optimum control. This control method is based on nonlinear model predictive control (NMPC), and optimizes the response of the position of the robot arm so as to accurately follow the target trajectory. In this paper, we describe system design to integrate high speed visual processing and NMPC, taking high-speed operation of air hockey robot as an example. Finally, we present experimental data and verify the effectiveness of the system.
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