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Mixed controller (IRC+NSC) involved in the harmonic vibration response cantilever beam model

机译:混合控制器(IRC + NSC)涉及谐波振动响应悬臂梁模型

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摘要

This manuscript aims for improving the vibrational behaviors of a cantilever beam model through an intermediate lumped mass via offering a new control methodology to suppress for such high oscillations of the system. The equation of the considered cantilever beam structure is gained applying Euler–Lagrange technique. Accordingly, the considered model is modified by mixing Integral Resonant Control (IRC) along with the Nonlinear Saturation Controller (NSC) as anew controller to the considered system. Due to the recommended control technique, the modified system model is studied and analyzed by the perturbation technique. Time histories figures of the measured system plus the new controller are involved to display the response before and after control. The frequency response figures of the modified model before and after new controller near simultaneous condition ( Ω ≈ ω 1 , ω 1 ≈ 2 ω 2 ) are gained. Each frequency-response curves have stable and unstable regions are determined numerically. Numerical results show the vibrations of the system are eliminated when adding combined IRC and NSC controllers. Finally, numerical outcomes are performed that illustrated an excellent agreement with the analytical ones. Comparison between this paper and recent papers of the cantilever beam are done.
机译:这个手稿目的用于经由提供一个新的控制方法,以抑制对系统的这种高振荡通过中间集中质量改善的悬臂梁模型的振动行为。所考虑的悬臂梁结构的方程等于得到应用欧拉 - 拉格朗日技术。因此,所考虑的模型是通过混合与非线性饱和控制器(NSC)作为重新控制器所考虑的系统沿着积分谐振控制(IRC)改性。由于推荐的控制技术中,修改后的系统模型进行了研究,并通过摄动技术进行分析。所测量的系统加上新控制器的时间历程图参与以显示前和控制后的响应。之前和之后几乎同时条件新的控制器经修饰的模型的频率响应的数字(Ω≈ω1,ω1≈2ω2)获得的。每个频率响应曲线具有稳定的和在数值上确定不稳定区域。数值结果表明加入组合IRC和NSC控制器时系统的振动被消除。最后,数值结果所执行的示出与所述分析那些优异的协议。本文和最近悬臂梁论文的比较完成。

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