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On the Stability of Positive Difference Equations

机译:关于正差分方程的稳定性

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In this chapter, we are interested with stability of linear continuous-time difference equations. These equations involve delays, which can be non commensurable. Spectrum analysis comes down to the zeros analysis of an exponential polynomial. From previous results on stability dependent or independent of delays, we focus on the particular case of positive difference equations. It is proved that the stability of linear difference equations with positive coefficients is robust with respect to variations of the delays, and are given exponential bounds for the solution.
机译:在本章中,我们对线性连续时间差分方程的稳定性感兴趣。这些等式涉及延迟,这是不可估量的。频谱分析可归结为指数多项式的零点分析。根据先前关于依赖于稳定性或不依赖于延迟的稳定性的结果,我们将重点放在正差分方程的特殊情况上。证明了具有正系数的线性差分方程的稳定性对于时延的变化具有鲁棒性,并且给出了求解的指数界。

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