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第37届中国控制会议

作者： Dong-Yang Wang Jin-Liang Wang Shun-Yan Ren School of Computer Science and Software Engineering Tianjin Polytechnic University School of Mechanical Engineering Tianjin Polytechnic University

A network model with multiple derivative couplings and different dimensions of output and input vectors is investigated in this *** problem of passivity for the proposed network model is analyzed by utilizing some inequality techniques and Lyapunov functional ***,by employing adaptive feedback control strategy,some sufficient conditions for guaranteeing passivity of complex dynamical network with multiple derivative couplings（CDNMDC） are *** the end,we give an example to verify the effectiveness of the results.

关键词： passivity Adaptive Control Complex Networks Multiple Derivative Couplings

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passivity Approach to Stability Analysis for Nonlinear and Timevarying Dynamic Systems

Passivity Approach to Stability Analysis for Nonlinear and T...

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第二十四届中国控制会议

作者： Chunbo Feng, Kanjian Zhang(Research Institute of Automation, Southeast University, Nanjing, 210096)

Stability of nonlinear and time-varying systems is studied by using passivity analysis. For this purpose, a nonlinear composite differential operator d(x)=k(x)s and a nonlinear time-varying composite differential operator d(x, t)=k(x, t)sk(x, t) are introduced. Here s=d/dt is the ordinary differential operator and x denotes the state of the system under study. By using these composite differential operators, strictly passive nonlinear and/or time-varying systems are constructed. Then the conditions of asymptotic stability can be determined.

关键词： Stability composite differential operator nonlinear system time-varying system passivity

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Euler-Lagrange Modeling and passivity Based Control of Buck Converters with Input Filter

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Journal of Energy and Power Engineering 2013年第1期7卷 178-185页

作者： Akram Fayaz Charif Karimi Ali Jaafar Emmanuel Godoy Department of Automation Ecole Superieur d'Electrite (SUPELEC) Plateau de Moulon Gif-sur-Yvette 91192 France Department of Energy Ecole Superieur d 'Electricite(SUPELEC) Plateau de Moulon Gif-sur-Yvette 91192 France

In this paper, buck converters with input filter are modeled using the Euler Lagrange formalism and then build a PBC （passivity based controller）. The model is validated, by comparing its response with those of two switched circuits： sylnmetric and asymmetric. In the former, both switches are realized by MOSFETS while in the second one of them is realized by a diode. It is then showed by simulation and, explained with energy-based arguments why the obtained model thoroughly represents only the symmetric circuit. The model is then used to build a passivity-based control law. As this control law assumes the stability of the zero dynamic, conditions under which this hypothesis is satisfied, are first given. It is shown by simulation with switched circuits the robustness of the proposed controller against load variations. Then, a prediction of the source variations is included in the controller in order to render it robust against source variations.

关键词： Converters input filter passivity control.

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PCHD-Based passivity Control of VSC-HVDC Connected Large Wind Farm

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Energy and Power Engineering 2013年第4期5卷 1209-1214页

作者： Xinming Fan Lin Guan Chengjun Xia Jianming He Xiaolin Li Shukai Xu Electric Power Research Institute CSG Guangzhou China School of Electric Power South China University of Technology Guangzhou China

Concentrated integration of large scale wind power demands stronger robustness of VSC-HVDC transmission. Based on PCHD (Port Controled Hamiltonian with Dissipation) equation, the PCHD model of voltage source converter (VSC) in abc frame and d-q rotating frame are built and the strict passivity of VSC is proved. Desired energy function is constructed and used as Lyapunov function by assigning link matrix and damping matrix. Impact from VSC equivalent dc resistance is eliminated by additional damping matrix. The IDA-PB (Interconnection and Damping Assignment passivity-based) controller is designed based on desired equilibrium point and state variable. With different operation conditions, VSC-HVDC and its control system are simulated by software PSCAD/EMTDC, the results show the proposed control strategy has good performance and strong robustness.

关键词： VSC-HVDC passivity PCHD System Damping Assignment IDA-PB Control

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A notion of passivity for switched systems with state-dependent switching

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控制理论与应用（英文版） 2006年第1期4卷 70-75页

作者： Jun ZHAO David J. HILL School of Information Science and Engineering Northeastern University Liaoning Shenyang 110004 China Research School of Information Sciences and Eagiaeering Australian National University Canberra ACT 0200 Australia

A passivity concept for switched systems with state-dependent switching is presented. Each subsystem has a storage function to describe the ＂energy＂ stored in the subsystem. The passivity property of a switched system is given in terms of multiple storage functions. Each storage function is allowed to grow on the ＂switched on＂ time sequence but the total growth is bounded by a certain function. Stability is inferred from passivity and asymptotic stability is achieved under further assumptions of a detectivity property of a local form and boundedness of the total change of some storage function on its inactive intervals. A state-dependent switching law that renders the system passive is also designed.

关键词： Switched systems passivity Stability

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An Approach to Formation Maneuvers of Multiple Nonholonomic Agents using passivity Techniques

An Approach to Formation Maneuvers of Multiple Nonholonomic ...

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2009中国控制与决策会议

作者： Wu Fan,Geng Zhiyong The State Key Laboratory for Turbulence and Complex Systems, Department of Mechanics and Aerospace Engineering,Peking University,Beijing 100871

＜正＞This paper studies the problem of formation maneuver of multiple nonholonomic agents.A dynamic feedback linearization method is used to transform each agent’s dynamic model into two chains of 3rd order *** a decentralized discontinuous formation control law with inter-agent damping injection is *** stability of the overall system is proved by using Lyapunov *** proposed algorithm is applied to a nonholonomic multi-vehicles formation maneuver simulation,which shows the effectiveness of our strategy.

关键词： Multiple nonholonomic agents Formation Full-state linearization passivity

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Improved results on passivity analysis of discrete-time stochastic neural networks with time-varying delay

Improved results on passivity analysis of discrete-time stoc...

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2009年中国智能自动化会议

作者：于建江张侃健费树岷 School of Information Science and Technology Yancheng Teachers University School of Automation Southeast University School of Automation Southeast University

The problem of passivity analysis for a class of discrete-time stochastic neural networks(DSNNs) with time-varying interval delay was *** delay-dependent sufficient criteria were derived in terms of linear matrix inequalities(LMIs). The results are shown to be generalization of some previous results and are less conservative than the existing ***,the computational complexity of the obtained stability conditions is reduced because less variables are involved.A numerical example is given to show the effectiveness and the benefits of the proposed method.

关键词： passivity discrete-time stochastic neural networks(DSNNs) interval delay linear matrix inequalities(LMIs)

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PD Control for passivity of Coupled Reaction-Diffusion Neural Networks with Multiple State Couplings

PD Control for Passivity of Coupled Reaction-Diffusion Neura...

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第40届中国控制会议

作者： Rongguo Liang Shun-Yan Ren Jin-Liang Wang School of Computer Science and Technology Tiangong University School of Mechanical Engineering Tiangong University

This paper studies the passivity for coupled reaction-diffusion neural networks with multiple state couplings（CRDNNMSCs） by employing the proportional-derivative（PD） control method. Firstly, a PD control strategy is presented for the sake of ensuring the passivity of CRDNNMSCs. In addition, a synchronization condition is also given by utilizing the output-strict passivity of CRDNNMSCs. Lastly, the correctness of the obtained passivity and synchronization criteria for the proposed model is verified by a numerical example.

关键词： Coupled Reaction-Diffusion Neural Networks Multiple State Couplings passivity Proportional-Derivative Controller Synchronization

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Delay-Dependent passivity Analysis for Delayed Neural Networks with Markovian Jumping Parameters

Delay-Dependent Passivity Analysis for Delayed Neural Networ...

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第三十届中国控制会议

作者： LI Yongmin~(1,2),FEI Shumin~2,XIA Jianwei~2,CHU Yuming~1 1.School of Science,Huzhou Teachers College,Huzhou 313000,P.R.China 2.School of Automation,Southeast University,Nanjing 210096,P.R.China

＜正＞This paper deals with the problems of passivity analysis for a class of delayed neural networks whith Markovian jumping *** delay-dependent passivity critira conditions for the neural networks concerned are obtained by using a mode-dependent Lyapunov functional and introducing some slack *** conditions are expressed by means of linear matrix inequalities（LMIs） which are easy to *** from lierature[27],the time-varying delay interval is more general and the uncertainties are Markovian form,thus covers the system studied in[27]as a special case.

关键词： Delay-dependent Conditions Markovian Jumping Parameters passivity Time-varying Delays

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Delay-dependent and delay-independent passivity of a class of recurrent neural networks with impulse and multi-proportional delays

Delay-dependent and delay-independent passivity of a class o...

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第四届全国神经动力学学术会议

作者：周立群 School of Mathematics Science Tianjin Normal University

The problem for passivity of a class of recurrent neural networks(RNNs) with impulse and multi-proportional delays is investigated in this paper. Several delay-dependent and delay-independent passivity criteria for the given system are obtained by establishing appropriate Lyapunov-krasovskill functionals and applying matrix inequality approach. The passivity criteria here are presented in the form of linear matrix inequalities(LMIs), which can be easily verified by Matlab Toolbox. Simultaneously, the criteria obtained here include the existing relative passivity results of RNNs without impulse or without delays as special cases and can also be extended to other RNNs with more complicated impulsive noise. Finally,a numerical example with some simulations shows that the proposed results is effective.

关键词： Recurrent neural networks Proportional delay passivity Impulse effect Lyapunov-krasovskill functional Matrix inequality

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