Stable Learning-Based Tracking Control of Underactuated Balance Robots

Stable Learning-Based Tracking Control of Underactuated Balance Robots
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欠驱动平衡机器人的基于学习的稳定跟踪控制

DOI:
10.1109/lra.2021.3056324
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发表时间:
2021
影响因子:
5.2
通讯作者:
Yi, Jingang
Yi, Jingang
中科院分区:
计算机科学2区
文献类型:
--
作者:
Han, Feng;Yi, Jingang

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我们提出了一种基于高斯过程(GP)的欠驱动平衡机器人的跟踪控制,其中驱动子系统需要遵循期望的轨迹,而非驱动,不稳定的子系统需要保持平衡。GP模型被用来捕捉驱动/非驱动子系统之间的耦合效应,通过构造的平衡平衡流形(BEM)。基于优化的算法被用来获得边界元估计。控制设计利用机器人动力学的结构特性,并建立在GP模型与数据选择算法。稳定性分析,以保证跟踪控制性能。通过在旋转摆上的实验,证明了控制设计和与其他控制器的比较。
We present a Gaussian process (GP)-based tracking control of underactuated balance robots in which an actuated subsystem is required to follow a desired trajectory, while an unactuated, unstable subsystem needs to be kept balanced. The GP models are used to capture the coupling effects between the actuated/unactuated subsystems through a constructed balance equilibrium manifold (BEM). Optimization-based algorithm is used to obtain the BEM estimation. The control design takes advantage of the structural property of the robot dynamics and is built on the GP models with a data selection algorithm. Stability analysis is given to guarantee the tracking control performance. The control design and comparison with other controllers are demonstrated through experiments on a rotary pendulum.
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发表时间: 2004
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