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    Article

    A modified Hammerstein modeling by the differential evolution algorithm

    This paper focuses on the nonlinear system modeling based on using a modified Hammerstein system model. The proposed Hammerstein structure is composed of a bilinear neural network (BNN) and a recursive digital...

    Wei-Der Chang in Signal, Image and Video Processing (2024)

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    Article

    Identification of nonlinear discrete systems using a new Hammerstein model with Volterra neural network

    For identifying nonlinear discrete systems, a new Hammerstein model consisting of Volterra neural network (VNN) and infinite impulse response (IIR) digital system is developed in this paper. The nonlinear stat...

    Wei-Der Chang in Soft Computing (2022)

  3. Article

    Open Access

    An efficient context-aware screening system for Alzheimer's disease based on neuropsychology test

    Alzheimer's disease (AD) and other dementias have become the fifth leading cause of death worldwide. Accurate early detection of the disease and its precursor, Mild Cognitive Impairment (MCI), is crucial to al...

    Austin Cheng-Yun Tsai, Sheng-Yi Hong, Li-Hung Yao, Wei-Der Chang in Scientific Reports (2021)

  4. Article

    Open Access

    Parameter Identification of A Four-dimensional Chaotic System Using Real-valued Immune Algorithms

    This paper presents a new immune algorithm to solve the parameters identification problem of the four-dimensional chaotic system. The proposed algorithm is directly to utilize the real-value operation to fulfi...

    Wei-Der Chang in International Journal of Computational Intelligence Systems (2015)

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    Article

    PID Controller Design for MIMO Processes Using Improved Particle Swarm Optimization

    This paper aims at the PID control system design for multivariable input and multivariable output (MIMO) processes. An improved version of a particle swarm optimization (PSO) algorithm is utilized to design PI...

    Wei-Der Chang, Chih-Yung Chen in Circuits, Systems, and Signal Processing (2014)

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    Article

    Recurrent neural network modeling combined with bilinear model structure

    In this paper, we propose a neural network modeling scheme for nonlinear systems. The proposed architecture is a new combination of neural network and bilinear system model in which the terms of cross-products...

    Wei-Der Chang in Neural Computing and Applications (2014)

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    Chapter and Conference Paper

    A Strict LMI Condition for ESPR Property of Continuous-Time Descriptor Systems

    In this paper, a new strict linear matrix inequality (LMI) condition for extended strictly positive real (ESPR) characterization of continuous-time descriptor systems is addressed. Compared with existing nonst...

    Jian Liung Chen, Wei-Der Chang, Chia-Hung Lin, Meei-Ling Hung, Yen-Lon Chen in AsiaSim 2007 (2007)

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    Chapter and Conference Paper

    A Multi-crossover Genetic Algorithm for Parameters Estimation of a Two-link Robot

    In this paper, we propose a novel multi-crossover genetic algorithm (GA) to identify the system parameters of a two-link robot. It is well known that the ordinary form of GA used for solving a given optimizati...

    Jian Liung Chen, Wei-Der Chang in Systems Modeling and Simulation (2007)