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Adaptive Neural Network-Based Observer Design for Switched Systems With Quantized Measurements

Liheng Chen, Yanzheng Zhu, Choon Ki Ahn

2021IEEE Transactions on Neural Networks and Learning Systems67 citationsDOI

Abstract

This study is concerned with the adaptive neural network (NN) observer design problem for continuous-time switched systems via quantized output signals. A novel NN observer is presented in which the adaptive laws are constructed using quantized measurements. Then, persistent dwell time (PDT) switching is considered in the observer design to describe fast and slow switching in a unified framework. Accurate estimations of state and actuator efficiency factor can be obtained by the proposed observer technique despite actuator degradation. Finally, a simulation example is provided to illustrate the effectiveness of the developed NN observer design approach.

Topics & Concepts

Control theory (sociology)Observer (physics)Dwell timeActuatorState observerComputer scienceArtificial neural networkSeparation principleControl engineeringControl (management)EngineeringArtificial intelligenceQuantum mechanicsMedicineNonlinear systemPhysicsClinical psychologyAdaptive Control of Nonlinear SystemsStability and Control of Uncertain SystemsNeural Networks Stability and Synchronization