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Active vibration control of flexible beam system using proportional control scheme in finite difference simulation platform

机译:有限差分仿真平台中基于比例控制方案的柔性梁系统主动振动控制

摘要

This paper presents the development of dynamic model of flexible beam structure using finite difference method. The simulated model is validated by comparing the resonance modes with the theoretical values. Simple proportional control scheme is used as active vibration control (AVC) algorithm for the system. Simulation study of the control system is done by gradually increasing the proportional gain until it reaches the optimum value. The effectiveness of this control scheme is observed based on its capability to suppress unwanted vibration of the beam. The attenuation of the beam is validated through time and frequency responses. The effect of proportional gain on the dynamic behavior of the actuator is also reported. Simulation is done using LabVIEW graphical programming environment. Results of the study clearly reveal the effectiveness of proportional control scheme in reducing the vibration of the beam.
机译:本文介绍了利用有限差分法开发柔性梁结构动力学模型的方法。通过将共振模式与理论值进行比较来验证仿真模型。简单的比例控制方案用作系统的主动振动控制(AVC)算法。通过逐渐增加比例增益直到达到最佳值,可以对控制系统进行仿真研究。基于该控制方案抑制光束有害振动的能力,可以观察到其有效性。光束的衰减通过时间和频率响应进行验证。还报告了比例增益对执行器动态行为的影响。使用LabVIEW图形化编程环境进行仿真。研究结果清楚地表明了比例控制方案在减少光束振动方面的有效性。

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