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| 1 | Decentralized model reference adaptive sliding mode control based on fuzzy model显示文摘A new design scheme of decentralized model reference adaptive sliding mode controller for a class of MIMO nonlinear systems with the high-order interconnections is proposed. The design is based on the universal approximation capability of the Takagi-Seguno (T-S) fuzzy systems. Motivated by the principle of certainty equivalentcontrol, a decentralized adaptive controller is designed to achieve the tracking objective without computation of the T-S fuzz ymodel. The approach does not require the upper bound of the uncertainty term to be known through some adaptive estimation.By theoretical analysis, the closed-loop fuzzy control system is proven to be globally stable in the sense that all signalsinvolved are bounded, with tracking errors converging to zero. Simulation results demonstrate the effectiveness of the approach. | Gu Haijun Zhang Tianping Shen Qikun | 2006 | Journal of Systems Engineering and Electronics2006，17，1： | 4 |
| 2 | Global exponential stability of almost periodic solution for a large class of delayed dynamical systems显示文摘Research on delayed neural networks with variable self-inhibitions, interconnection weights, and inputs is an important issue. In this paper, we discuss a large class of delayed dynamical systems with almost periodic self-inhibitions, inter-connection weights, and inputs. This model is universal and includes delayed systems with timevarying delays, distributed delays as well as combination of both. We prove that under some mild conditions, the system has a unique almost periodic solution, which is globally exponentially stable. We propose a new approach, which is independent of existing theory concerning with existence of almost periodic solution for dynamical systems. | LU Wenlian CHEN Tianping | 2005 | Science China Mathematics2005，48，8： | 3 |
| 3 | Influence of cosmic radiation on lymphocyte micronucleus,serum lipid peroxide and antioxidation capacity in aircrew members显示文摘This study looks into the influence of cosmic radiation at high altitudes on human bodies. Results reveal that the cytokinesis-block micronuclei (CBMN) and conventional cultured micronuclei in peripheral blood lymphocytes, serum levels of lipid peroxide, superoxide dismutase, and the total antioxidation capacity by chemical colorimetry all increased significantly in aircrew members. There exists a linear relationship between the CBMN and the average annual effective doses of radiation received or the average annual flying hours. With both of them, a trend shows that the serum lipid peroxide levels increase as well. Either the lipid peroxide or CBMN can sensitively reflect the recent changes in flight load. These findings indicate that cosmic radiation impairs the stability of chromosomes and genome, and induces lipid oxidative damage in aircrews; Lymphocyte CBMN and serum lipid peroxide can be used as monitoring indicators in the cosmic radiation protection for aircrew members. | CHEN Weiru FENG Yingjin LIU Jiangkuang ZHANG Haili GUO Ying ZHANG Yan DUAN Shiying PENG Xintao SUN Tianping JIA Baoshan ZHAO Junxian LI Hua | 2002 | Chinese Science Bulletin2002，47，8： | 3 |
| 4 | Multi-objective PID control for non-Gaussian stochastic distribution system based on two-step intelligent models显示文摘A new method for controlling the shape of the conditional output probability density function (PDF) for general nonlinear dynamic stochastic systems is proposed based on B-spline neural network (NN) model and T-S fuzzy model. Applying NN approximation to the measured PDFs, we transform the concerned problem into the tracking of given weights. Meanwhile, the complex multi-delay T-S fuzzy model with exogenous disturbances, parametric uncertainties and state constraints is used to represent the nonlinear weight dynamics. Moreover, instead of the non-convex design algorithms and PI control, the improved convex linear matrix inequality (LMI) algorithms and the generalized PID controller are proposed such that the multiple control objectives including stability, robustness, tracking performance and state constraint can be guaranteed simultaneously. Simulations are performed to demonstrate the efficiency of the proposed approach. | YI Yang ZHANG TianPing GUO Lei | 2009 | Science in China(Series F)2009，52，10： | 3 |
| 5 | A necessary and sufficient condition of convexity for SOC reformulation of trust-region subproblem with two intersecting cuts显示文摘We consider the extended trust-region subproblem with two linear inequalities. In the 'nonintersecting' case of this problem, Burer and Yang(2015) have proved that its semi-definite programming relaxation with second-order-cone reformulation(SDPR-SOCR) is a tight relaxation. In the more complicated 'intersecting' case, which is discussed in this paper, so far there is no result except for a counterexample for the SDPR-SOCR. We present a necessary and sufficient condition for the SDPR-SOCR to be a tight relaxation in both the 'nonintersecting' and 'intersecting' cases. As an application of this condition, it is verified easily that the 'nonintersecting' SDPR-SOCR is a tight relaxation indeed. Furthermore, as another application of the condition, we prove that there exist at least three regions among the four regions in the trust-region ball divided by the two intersecting linear cuts, on which the SDPR-SOCR must be a tight relaxation. Finally, the results of numerical experiments show that the SDPR-SOCR can work efficiently in decreasing or even eliminating the duality gap of the nonconvex extended trust-region subproblem with two intersecting linear inequalities indeed. | YUAN JianHua WANG MeiLing AI WenBao SHUAI TianPing | 2016 | Science China Mathematics2016，59，6： | 2 |
| 6 | Decentralized direct adaptive neural network control for a class of interconnected systems显示文摘The problem of direct adaptive neural network co ntrol for a class of large-scale systems with unknown function control gains a nd the high-order interconnections is studied in this paper. Based on the prin ciple of sliding mode control and the approximation capability of multilayer neu ral networks, a design scheme of decentralized direct adaptive sliding mode cont roller is proposed. The plant dynamic uncertainty and modeling errors are adapt ively compensated by adjusted the weights and sliding mode gains on-line for ea ch subsystem using only local information. According to the Lyapunov method, the closed-loop adaptive control system is proven to be globally stable, with trac king errors converging to a neighborhood of zero. Simulation results demonstrate the effectiveness of the proposed approach. | Zhang Tianping Mei Jiandong | 2006 | Journal of Systems Engineering and Electronics2006，17，2： | 2 |
| 7 | Pinning complexnetworks by a single controller 显示文摘 | Chen Tianping Liu Xiwei Lu Wenlian | 2007 | IEEE Transctions onCircuits and Systems2007，54，6： | 1 |
| 8 | New approach to synchronization analysis of linearly coupled ordinary differential systems 显示文摘 | Lu Wenlian Chen Tianping | 2006 | Physica D : Nonlinear Phenomena2006，213，2： | 1 |
| 9 | On the k -Power Number Free Number Sequence 显示文摘 | Zhang Tianping | 2004 | Smarandache Notion Journal2004，，14： | 1 |
| 10 | Cluster synchronization indirected networks via intermittent pinning control 显示文摘 | Liu Xiaoyang Chen Tianping | 2011 | IEEE Transactions on Neural Networks2011，22，7： | 1 |
| 11 | Internal breakers for viseoe显示文摘 | Crews J B Huang Tianping | 2007 | SPE2007，，： | 1 |
| 12 | Performance enhancements of viscoelastic surfactant stimulation fluid with nanoparticles显示文摘 | James B Crews Tianping Huang | 2008 | SPE 1135332008，，： | 1 |
| 13 | R+^n-global stability of a Cohen-Grossberg neural networks system with no-negative equilibria 显示文摘 | LU Wenlian CHEN Tianping | 2007 | Neural Networks2007，20，： | 1 |
| 14 | A Brief Statement on Educational Principle of the People's Republic of China显示文摘 | Tianping Yang | 2005 | 美中教育评论2005，2，3： | 1 |
| 15 | Approximation capability to function of several variables, nonlinear functionals, and operators by radial basis function neural function 显示文摘 | CHEN Tianping CHEN Hong | 1995 | IEEE Trans on NN1995，6，4： | 1 |
| 16 | Global convergence of delayed dynamical systems显示文摘 | Lu Wenlian Rong libin Chen Tianping | 2003 | International Journal of Neural Systems2003，13，1： | 1 |
| 17 | Multistability and complete convergence analysis on high-order neural networks with a class of nonsmooth activation functions显示文摘 | Wang Lili Chen Tianping | 2015 | Neurocomputing2015，152，： | 1 |
| 18 | On the k-power free number sequence显示文摘 | Zhang Tianping | 2004 | Smarandache Notions Journal2004，14，： | 1 |
| 19 | Adaptive variable structure control for large-scale time-delayed systems with unknown nonlinear dead-zone显示文摘The problem of adaptive fuzzy control for a class of large-scale, time-delayed systems with unknown nonlinear dead-zone is discussed here. Based on the principle of variable structure control, a design scheme of adaptive, decentralized, variable structure control is proposed. The approach removes the conditions that the dead-zone slopes and boundaries are equal and symmetric, respectively. In addition, it does not require that the assumptions that all parameters of the nonlinear dead-zone model and the lumped uncertainty are known constants. The adaptive compensation terms of the approximation errors are adopted to minimize the influence of modeling errors and parameter estimation errors. By theoretical analysis, the closed-loop control system is proved to be semi-globally uniformly ultimately bounded, with tracking errors converging to zero. Simulation results demonstrate the effectiveness of the approach. | Shen Qikun Zhang Tianping | 2007 | Journal of Systems Engineering and Electronics2007，18，4： | 1 |
| 20 | Nanotechnology applications in viscoelastic-surfactant stimulation fluids 显示文摘 | Tianping Huang James B Crews | 2007 | SPE 1077282007，，： | 1 |
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