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A Trajectory Planning Based Controller to Regulate an Uncertain 3D Overhead Crane System

机译:基于轨迹规划的控制器,用于调节不确定的3D架空起重机系统

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摘要

We introduce a control strategy to solve the regulation control problem, from the perspective of trajectory planning, for an uncertain 3D overhead crane. The proposed solution was developed based on an adaptive control approach that takes advantage of the passivity properties found in this kind of systems. We use a trajectory planning approach to preserve the accelerations and velocities inside of realistic ranges, to maintaining the payload movements as close as possible to the origin. To this end, we carefully chose a suitable S-curve based on the Bezier spline, which allows us to efficiently handle the load translation problem, considerably reducing the load oscillations. To perform the convergence analysis, we applied the traditional Lyapunov theory, together with Barbalat’s lemma. We assess the effectiveness of our control strategy with convincing numerical simulations.
机译:从轨迹规划的角度来看,我们介绍了解决法规控制问题的控制策略,以实现不确定的3D架空起重机。所提出的解决方案是基于自适应控制方法开发的,该方法利用这种系统中发现的被动性质。我们使用轨迹规划方法保留了现实范围内的加速度和速度,以使有效载荷动作保持尽可能接近原点。为此,我们仔细选择了基于Bezier样条的合适的S曲线,这使我们能够有效地处理负载翻译问题,显着降低了负载振荡。为了执行收敛分析,我们将传统的Lyapunov理论应用于Barbalat的雷姆玛。我们评估了我们控制策略的有效性与令人信服的数值模拟。

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