Jun Zhou

State Key Laboratory of Digital Medical Engineering

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Huimin Qian

Beijing Transportation Research Center

Xinbiao Lu

Hohai University

Tomomichi Hagiwara

Kyoto University

Haoqian Huang

Hohai University

Zhaoxia Duan

Hohai University

Buzhi Qin

Nanjing Polytechnic Institute

Ketian Gao

Lanzhou University of Technology

Yasuharu Ohsawa

Kyoto University

Mituhiko Araki

National Institute of Technology, Matsue College

Jianfeng Chen

China University of Geosciences (Beijing)

Cooperative Institutions

Hohai University

Southeast University

Zhejiang University

Chinese Academy of Sciences

Shanghai Jiao Tong University

Nanjing University of Science and Technology

Huazhong University of Science and Technology

Beihang University

Ministry of Education of the People's Republic of China

Wuhan University of Technology

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Unoriented Laplacian maximizing graphs are degree maximal

Linear Algebra and its Applications (2008)

Bit-Shun Tam Yi-Zheng Fan Jun Zhou

Spectral Radius

10.1016/j.laa.2008.04.002

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Citations (37)

STATIC CHARATERISTICS ANALYSIS OF POWER SYSTEMS THROUGH A HERMITIAN APPROACH

IFAC Proceedings Volumes (2006)

Jun Zhou Yasuhara Ohsawa

Singular value

10.3182/20060625-4-ca-2906.00066

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Feedback Stabilization for a Class of Linear Systems with Structure Disturbances Based on LMI Method

Gongcheng shuxue xuebao (2006)

Jun Zhou

We discussed the stabilizing problem of neutral systems with structure disturbances and unknown delay. Based on the design of memoryless state feedback controller, a LMI condition is given, which remain the stability of the neutral systems without disturbances by using the Lyapunov stability theory. The stabilizing condition of the neutral systems with structure disturbances is further obtained. An example is provided to illustrate the feasibility of the result.

Lyapunov stability

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Distributed Stabilization of Multi-Machine Power Systems via Multi-Agent Flocking Control

IFAC-PapersOnLine (2017)

Jun Zhou Cui Wang

In this paper, stabilization in terms of power swing reduction and angular frequency synchronism in multi-machine power systems is addressed by adopting the multi-agent flocking technique that is implemented through distributed static VAR compensators (SVC) as controllers. More precisely, power swing reduction and angular frequency synchronism in a multi-machine power system are re-formulated as stabilization on a related multi-agent state-space network. By inducing multi-agents collision under the suggested control algorithms, all the synchronous generators achieve angular frequency synchronism while power angles are specified to a same desired power angle. Numeric examples illustrate efficacy of the suggested technique.

Synchronism

Flocking (texture)

10.1016/j.ifacol.2017.08.1079

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Citations (2)

Stability analysis for complicated sampled-data systems via descriptor remodelling

IMA Journal of Mathematical Control and Information (2018)

Jun Zhou Ketian Gao Xinbiao Lu

Abstract A new stability analysis technique is developed in this paper for complicated sampled-data systems with both analogue and digital controllers, by frequency-domain equivalence in the continuous-time sense and time-delayed descriptor (or singular) state-space realization remodelling. The technique is independent of the lifting technique and thus employs neither structural nor spectral features of any discrete-time transfer functions of continuous-time plants. The suggested criteria are stated with frequency-domain conditions, involving neither open-loop unstable poles nor contour/locus-orientation-related encirclements counting. The criteria are implementable graphically with locus plotting or numerically tractable without locus plotting. The descriptor remodelling advantages are further exploited in surmounting infinite dimensionality and structural/spectral features unavailability in multi-rate and time-delayed sampled-data systems. Numerical examples are included to illustrate the main results.

Unavailability

10.1093/imamci/dny031

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Citations (7)

Complex‐domain stability criteria for fractional‐order linear dynamical systems

IET Control Theory and Applications (2017)

Jun Zhou

This paper proposes stability criteria claimed in complex domains for dynamical systems that are described by fractional commensurate order linear time-invariant (FCO-LTI) state-space equations (thus endowed with FCO transfer functions) by means of the argument principle in complex analysis. Based on appropriate Cauchy integral contours or their shifting ones, the stability conditions are necessary and sufficient, without inter-domain transformation and independent of pole/eigenvalue computing and distribution testing. The proposed criteria are implementable graphically with locus plotting as using Nyquist-like criteria or numerically without locus plotting. The criteria apply to a variety of FCO-LTI systems, which can be single and multiple in fractional calculus, scalar and multivariable in input/output dimensionality. The criteria can also be exploited in regular-order systems without modification. Case studies are included to illustrate the main results.

Fractional-order system

10.1049/iet-cta.2016.1578

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An efficient Sinc-collocation method via the DE transformation for eighth-order boundary value problems

Journal of Computational and Applied Mathematics (2022)

Wenlin Qiu Da Xu Jun Zhou Jing Guo

Sinc function

Collocation (remote sensing)

Ode

10.1016/j.cam.2022.114136

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Citations (6)

Finite frequency filter design for nonlinear 2-D continuous systems in T–S form

Journal of the Franklin Institute (2017)

Zhaoxia Duan Jun Zhou Jian Shen

BIBO stability

10.1016/j.jfranklin.2017.09.035

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Citations (18)

Robust video stabilization based on motion vectors

Journal of Shanghai University (English Edition) (2005)

Song Li Yuanhua Zhou Jun Zhou

Image stabilization

Motion vector

Basis (linear algebra)

Quarter-pixel motion

10.1007/s11741-005-0103-1

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Citations (2)

Equilibrium-pinning control for complex networks with inter-node coupling strength saturation improvement

International Journal of Modern Physics C (2019)

Chen Huang Xinbiao Lu Jun Zhou Huimin Qian Haoqian Huang

In most conventional complex network equilibrium-pinning control, all the network nodes are usually balanced by attaching at least one controller to each node of the concerned network. When the node number is huge and the inter-node connections are complex, this control strategy requires the ability to manipulate the inter-node coupling strength to grow rapidly and intensively. In practical applications, however, the inter-node coupling strength cannot be increased unlimitedly; as a matter of fact, the coupling strength cannot be further changed after reaching some saturation threshold. In this paper, by exploiting the improved coupling strength saturation function, we suggest a new pinning control strategy that makes the network reach its equilibrium-pinning point more effectively than the network with saturated coupling strength. Numerical examples are illustrated to show the effectiveness of the main results.

Coupling strength

Saturation (graph theory)

10.1142/s0129183120500138

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Citations (4)