基于神经网络的移动机器人前馈控制方案

K. Koh, H. Cho
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引用次数: 3

摘要

研究了一种基于神经网络的两轮移动机器人跟踪控制算法。设计神经网络产生前馈控制输入,消除输出与期望轨迹之间的误差。将神经网络控制器与局部数字PD控制器相结合,对每个车轮位置进行控制。采用反馈误差学习方法作为学习机制,使学习与控制同时进行。为了评估所提出的控制方案的有效性,对移动机器人的动力学模型进行了一系列的跟踪仿真。
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A neural net-based feedforward control scheme for mobile robots
A neural-net based control algorithm for the tracking control of a two-wheeled mobile robot is considered. The neural network was designed to generate feedforward control input to nullify the error between output and desired trajectory. The neural network controller was combined with local digital PD controllers for each wheel position control. The feedback-error learning methods is used as the learning mechanism such that the learning and control can be performed simultaneously. To evaluate the effectiveness of the proposed control scheme, a series of tracking simulations were performed for the dynamic model of the mobile robot.<>
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