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基于多变量自动控制理论,本文提出一种新的分析方法,用于研究带有复杂边界条件的并联多通道系统的密度波不稳定性问题.该方法克服了目前广泛采用的等效通道单变量方法不能考虑系统中耦合效应的重要缺点,将密度波不稳定性问题的分析研究从单变量推广到多变量.根据本文方法编制的计算机程序可用于预测系统的稳定性以及系统参数的变化对稳定性的影响,从计算和分析得到的结论与有关文献的实验观测结果相一致.
Based on multivariable automatic control theory, a new analytical method is proposed to study the density wave instability of parallel multi-channel systems with complex boundary conditions. This method overcomes the widely used equivalent channel univariate The method can not consider the important shortcomings of the coupling effect in the system and generalizes the analysis of the density wave instability problem from univariate to multivariable.The computer program prepared according to this method can be used to predict the stability of the system and the change of the system parameters to the stability The impact of the sex, calculated and analyzed, is consistent with experimental observations in the literature.