AIMC Topic: Nonlinear Dynamics

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Classification of ECG heartbeats using nonlinear decomposition methods and support vector machine.

Computers in biology and medicine Jun 16, 2017
Classifying electrocardiogram (ECG) heartbeats for arrhythmic risk prediction is a challenging task due to minute variations in the amplitude, duration and morphology of the ECG signal. In this paper, we propose two feature extraction approaches to c...
Heart Rate Nonlinear Dynamics Electrocardiography Support Vector Machine Humans
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Approximation-Based Adaptive Neural Tracking Control of Nonlinear MIMO Unknown Time-Varying Delay Systems With Full State Constraints.

IEEE transactions on cybernetics Jun 12, 2017
This paper deals with the tracking control problem for a class of nonlinear multiple input multiple output unknown time-varying delay systems with full state constraints. To overcome the challenges which cause by the appearances of the unknown time-v...
Time Factors Signal Processing, Computer-Assisted Nonlinear Dynamics Neural Networks, Computer Computer Simulation
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A biologically inspired controller to solve the coverage problem in robotics.

Bioinspiration & biomimetics Jun 5, 2017
The coverage problem consists on computing a path or trajectory for a robot to pass over all the points in some free area and has applications ranging from floor cleaning to demining. Coverage is solved as a planning problem-providing theoretical val...
Robotics Motion Computer Simulation Animals Problem Solving Household Work Bombs Biomimetics Nonlinear Dynamics
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Indirect adaptive fuzzy wavelet neural network with self- recurrent consequent part for AC servo system.

ISA transactions Jun 2, 2017
This paper proposes a novel indirect adaptive fuzzy wavelet neural network (IAFWNN) to control the nonlinearity, wide variations in loads, time-variation and uncertain disturbance of the ac servo system. In the proposed approach, the self-recurrent w...
Algorithms Fuzzy Logic Neural Networks, Computer Equipment Design Computer Simulation Wavelet Analysis Artificial Intelligence Uncertainty Nonlinear Dynamics
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Master-slave exponential synchronization of delayed complex-valued memristor-based neural networks via impulsive control.

Neural networks : the official journal of the International Neural Network Society May 25, 2017
This paper investigates master-slave exponential synchronization for a class of complex-valued memristor-based neural networks with time-varying delays via discontinuous impulsive control. Firstly, the master and slave complex-valued memristor-based ...
Transistors, Electronic Neural Networks, Computer Nonlinear Dynamics
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Tonic regulation of stationary asynchronous firing of a neural network.

Journal of computational neuroscience May 16, 2017
The impact of tonic conductance upon population activity was investigated. An extra tonic transmembrane current through GABA-activated extrasynaptic GABA -receptors was found to control stationary asynchronous firing both quantitatively and qualitat...
gamma-Aminobutyric Acid Nerve Net Neural Inhibition Neurons Nonlinear Dynamics Models, Neurological Humans Action Potentials Computer Simulation Animals Neural Networks, Computer
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Continuous uniformly finite time exact disturbance observer based control for fixed-time stabilization of nonlinear systems with mismatched disturbances.

PloS one Apr 13, 2017
This paper presents a continuous composite control scheme to achieve fixed-time stabilization for nonlinear systems with mismatched disturbances. The composite controller is constructed in two steps: First, uniformly finite time exact disturbance obs...
Finite Element Analysis Neural Networks, Computer Computer Simulation Feedback Nonlinear Dynamics
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An improved chaotic fruit fly optimization based on a mutation strategy for simultaneous feature selection and parameter optimization for SVM and its applications.

PloS one Apr 3, 2017
This paper proposes a new support vector machine (SVM) optimization scheme based on an improved chaotic fly optimization algorithm (FOA) with a mutation strategy to simultaneously perform parameter setting turning for the SVM and feature selection. I...
Support Vector Machine Mutation Humans Animals Algorithms Nonlinear Dynamics Drosophila Databases, Factual Diagnosis, Computer-Assisted Feeding Behavior
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Adaptive Neural Tracking Control for Switched High-Order Stochastic Nonlinear Systems.

IEEE transactions on cybernetics Mar 31, 2017
This paper deals with adaptive neural tracking control design for a class of switched high-order stochastic nonlinear systems with unknown uncertainties and arbitrary deterministic switching. The considered issues are: 1) completely unknown uncertain...
Stochastic Processes Cybernetics Neural Networks, Computer Nonlinear Dynamics
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Autoassociative Memory and Pattern Recognition in Micromechanical Oscillator Network.

Scientific reports Mar 24, 2017
Towards practical realization of brain-inspired computing in a scalable physical system, we investigate a network of coupled micromechanical oscillators. We numerically simulate this array of all-to-all coupled nonlinear oscillators in the presence o...
Models, Theoretical Neural Networks, Computer Nonlinear Dynamics Oscillometry Computer Simulation Pattern Recognition, Automated Physical Phenomena Memory
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