基于动态输出反馈的时滞系统鲁棒容错控制

考虑参数不确定时滞系统的鲁棒容错控制问题。为设计输出动态反馈控制器,使得闭环系统在传感器发生故障时仍能保持渐近稳定。基于一种传感器故障模型,通过在解析过程中使用非线性变换和锥补线性化方法,得到了与时滞相关的动态输出反馈鲁棒容错控制器存在的充分条件,并给出了控制器参数的显式表示。通过仿真算例验证了结论的正确性和有效性。

Robust fault-tolerant control for time-delay systems via dynamical output feedback

T o design the output feedback co nt rol ler w hich guar antes the asymptot ically stability of the clo sed-lo op system w ith senso r failures, the fault-tolerant contr ol fo r time-delay systems w ith par ameter uncertainties and sensor failures was consider ed. Based on the sensor model o f failure, the nonlinear t ransfo rmat ion and the cone-complementary linearizat ion iterat ive alg orithm w ere int ro duced in the computatio n. T he delay-dependent suff icient criterion fo r the so lvability w as established in terms of LMIs, from w hich the desired cont roller could be explicit ly formulated. Final ly, a numerical ex ample w as presented to illust rate the ef fect iveness of the pro posed appro ach