Comment on "Robust Delay-Dependence Stability for Linear Systems with Nonlinear Parameter Perturbations
对“具有非线性参数振动的线性系统的时滞相关鲁棒稳定性”一文的评论(英文)

In a recent paper (Xu and Liu, Control Theory & Applications, vol.15, no.4, pp. 501 506, 1998), a sufficient condition is reported for robust delay dependence stability in terms of a bound on spectral radius of a prescribed nonnegative matrix. It seems to be fairly powerful, but we argue here that their result may be incorrect. A corrected result is presented in this paper also.