Design of state observers for interconnected time-delay systems via a coordinate transformation approach
Leong, Wei Yin and Trinh, Hieu 2015, Design of state observers for interconnected time-delay systems via a coordinate transformation approach, in ICINCO 2015 : Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics, SCITEPRESS (Science and Technology Publications), Setúbal, Portugal, pp. 86-93, doi: 10.5220/0005508500860093.
This paper considers the design of state observers for interconnected time-delay systems using a coordinate transformation method. Through such a transformation, the system that has interconnection and state delays is metamorphosed into a new system that injects time-delay information into its input and output terms, before reintroducing them back into the latter system, effectively coupling the delay terms into the IO injection terms and eliminating the delay values from the state variables. Next, full-order and reduced-order observers are designed based on the transformed system. Finally, the observed states of the transformed system that correspond to the original system is used to deduce the estimates of the original system. A numerical example is provided of an interconnected time-delay system.
010203 Calculus of Variations, Systems Theory and Control Theory 010204 Dynamical Systems in Applications 090602 Control Systems, Robotics and Automation
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