期刊
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
卷 32, 期 5, 页码 1896-1905出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNNLS.2020.2995396
关键词
Time-varying systems; Neural networks; Mathematical model; Optimization; Real-time systems; Numerical models; Nonlinear equations; Seven instant discretization formula; time-varying nonlinear equation system (TVNES); time-varying problems; unified model; zeroing neural network
类别
资金
- National Natural Science Foundation of China [61906164]
- Natural Science Foundation of Jiangsu Province of China [BK20190875]
This article investigates nine types of time-varying problems using the zeroing neural network, proposing a unified model to solve these problems based on their connections and a newly developed discretization formula.
Many time-varying problems have been solved using the zeroing neural network proposed by Zhang et al. In this article, nine types of time-varying problems, namely time-varying nonlinear equation system, time-varying linear equation system, time-varying convex nonlinear optimization under linear equalities, unconstrained time-varying convex nonlinear optimization, time-varying convex quadratic programming under linear equalities, unconstrained time-varying convex quadratic programming, time-varying nonlinear inequality system, time-varying linear inequality system, and time-varying division, are investigated to better understand the essence of zeroing neutral network. Discrete-form time-varying problems are studied by considering the nature of unknown future and the requirement of real-time computation for time-varying problems. A unified model is proposed in the frame of zeroing neural network to uniformly solve these time-varying problems on the basis of their connections and a newly developed discretization formula. Theoretical analyses and numerical experiments, including the tracking control of PUMA560 robot manipulator, verify the effectiveness and precision of the proposed unified model.
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