Global stabilization via sampled-data output feedback for large-scale systems interconnected by inherent nonlinearities

• Autores: Zhi-gang Su, Chunjiang Qian, Yong-sheng Hao, Ming Zhao
• Localización: Automatica: A journal of IFAC the International Federation of Automatic Control, ISSN 0005-1098, Vol. 92, 2018, págs. 254-258
• Idioma: inglés
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• Resumen

  • This paper aims to solve the decentralized sampled-data control problem for a class of large-scale systems interconnected by inherent nonlinearities, which violate the linear growth condition. Under a homogeneous growth condition, a set of decentralized sampled-data output feedback controllers are constructed with scaling gains and a sampling period. By the output feedback domination approach, the scaling gains are firstly correlated and then selected to dominate the nonlinearities. Finally, by developing and applying a useful tool to estimate trajectory growth, global stabilization is achieved for the closed-loop system under an appropriate sampling period.