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本文利用数字仿真技术来研究颤振主动抑制问题。将一个二元颤振主动抑制系统视为由若干个滞后环节组成的控制系统。提出了二元颤振主动抑制系统的数字仿真模型及其计算方法。采用龙格—库塔法确定系统的响应过程和采用Q-R法求解系统的全部特征值。通过算例计算,所得结果和其它方法所得结果相吻合。证明了采用数字仿真技术来研究颤振主动抑制问题是可行的,计算结果是准确的,使用是方便的。
In this paper, the use of digital simulation technology to study the active dither suppression problem. A dual chatter active suppression system is considered as a control system composed of several lagging components. A digital simulation model and its calculation method for active suppression system of binary flutter are proposed. The Runge-Kutta method was used to determine the response of the system and the Q-R method was used to solve all the eigenvalues of the system. The result of the calculation is in good agreement with that obtained by other methods. It proves that it is feasible to use digital simulation technology to study the active suppression of chatter. The calculation results are accurate and convenient to use.