AIMC Topic: Nonlinear Dynamics

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Event-triggered fault-tolerant control for input-constrained nonlinear systems with mismatched disturbances via adaptive dynamic programming.

Neural networks : the official journal of the International Neural Network Society May 6, 2023
In this paper, the issue of event-triggered optimal fault-tolerant control is investigated for input-constrained nonlinear systems with mismatched disturbances. To eliminate the effect of abrupt faults and ensure the optimal performance of general no...
Neural Networks, Computer Algorithms Nonlinear Dynamics
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Tree-structured neural networks: Spatiotemporal dynamics and optimal control.

Neural networks : the official journal of the International Neural Network Society Apr 25, 2023
How the network topology drives the response dynamic is a basic question that has not yet been fully answered in neural networks. Elucidating the internal relation between topological structures and dynamics is instrumental in our understanding of br...
Neural Networks, Computer Algorithms Feedback Nonlinear Dynamics Receptors, Enterotoxin
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Optimal H tracking control of nonlinear systems with zero-equilibrium-free via novel adaptive critic designs.

Neural networks : the official journal of the International Neural Network Society Apr 20, 2023
In this paper, a novel adaptive critic control method is designed to solve an optimal H tracking control problem for continuous nonlinear systems with nonzero equilibrium based on adaptive dynamic programming (ADP). To guarantee the finiteness of a c...
Neural Networks, Computer Algorithms Learning Feedback Nonlinear Dynamics
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Dynamic event-triggered controller design for nonlinear systems: Reinforcement learning strategy.

Neural networks : the official journal of the International Neural Network Society Apr 19, 2023
The current investigation aims at the optimal control problem for discrete-time nonstrict-feedback nonlinear systems by invoking the reinforcement learning-based backstepping technique and neural networks. The dynamic-event-triggered control strategy...
Neural Networks, Computer Algorithms Computer Simulation Feedback Nonlinear Dynamics
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A Prediction Model Based on Gated Nonlinear Spiking Neural Systems.

International journal of neural systems Apr 12, 2023
Nonlinear spiking neural P (NSNP) systems are one of neural-like membrane computing models, abstracted by nonlinear spiking mechanisms of biological neurons. NSNP systems have a nonlinear structure and can show rich nonlinear dynamics. In this paper,...
Neural Networks, Computer Forecasting Time Factors Neurons Nonlinear Dynamics
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Stable isotope and trace element analyses with non-linear machine-learning data analysis improved coffee origin classification and marker selection.

Journal of the science of food and agriculture Mar 25, 2023
BACKGROUND: This study investigated the geographical origin classification of green coffee beans from continental to country and regional levels. An innovative approach combined stable isotope and trace element analyses with non-linear machine learni...
Machine Learning Trace Elements Nonlinear Dynamics Isotopes Coffee
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Improved disturbance observer-based fixed-time adaptive neural network consensus tracking for nonlinear multi-agent systems.

Neural networks : the official journal of the International Neural Network Society Mar 17, 2023
This paper is concerned with the problem of fixed-time consensus tracking for a class of nonlinear multi-agent systems subject to unknown disturbances. Firstly, a modified fixed-time disturbance observer is devised to estimate the unknown mismatched ...
Neural Networks, Computer Computer Simulation Feedback Consensus Nonlinear Dynamics
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Nonlinear function-on-scalar regression via functional universal approximation.

Biometrics Feb 27, 2023
We consider general nonlinear function-on-scalar (FOS) regression models, where the functional response depends on multiple scalar predictors in a general unknown nonlinear form. Existing methods either assume specific model forms (e.g., additive mod...
Neural Networks, Computer Nonlinear Dynamics
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Neural-Network-Based Immune Optimization Regulation Using Adaptive Dynamic Programming.

IEEE transactions on cybernetics Feb 15, 2023
This article investigates optimal regulation scheme between tumor and immune cells based on the adaptive dynamic programming (ADP) approach. The therapeutic goal is to inhibit the growth of tumor cells to allowable injury degree and maximize the numb...
Neural Networks, Computer Computer Simulation Feedback Models, Theoretical Nonlinear Dynamics
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A computational framework for physics-informed symbolic regression with straightforward integration of domain knowledge.

Scientific reports Jan 23, 2023
Discovering a meaningful symbolic expression that explains experimental data is a fundamental challenge in many scientific fields. We present a novel, open-source computational framework called Scientist-Machine Equation Detector (SciMED), which inte...
Machine Learning Algorithms Regression Analysis Nonlinear Dynamics
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