Application of Flexible Link Manipulators in Control Engineering Courses

Minling Ding, Jie Huang, Jiahui Ye
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Abstract

Flexible link manipulators are excellent platform to teach control engineering courses. The flexible link exhibits large vibrational amplitudes and low frequencies, which benefit student's observation and understanding of control performance. Dynamics of flexible link consist of infinite vibrational modes, while the first mode is fundamental to overall system. Students design a control system to suppress first-mode linearized vibrations for demonstrating the basic idea. Moreover, control of coupled-oscillators dynamics and infinite modes is suitable for advanced study. Both the laboratory facilities and curriculum are described in this paper. In addition, the online lectures and remote experiments for control engineering courses by using flexible link manipulators during the COVID-19 pandemic are also presented.
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柔性连杆机械手在控制工程课程中的应用
柔性连杆机械臂是讲授控制工程课程的良好平台。柔性连杆的振动幅度大,频率低,有利于学生对控制性能的观察和理解。柔性连杆的动力学由无限模态组成,其中第一模态是整个系统的基础。学生设计一个控制系统来抑制第一模线性化振动,以演示基本思想。此外,耦合振子动力学和无限模态的控制也适合深入研究。本文介绍了实验设施和课程设置。此外,还介绍了新型冠状病毒大流行期间使用柔性连杆机械臂进行控制工程课程的在线讲座和远程实验。
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