Xizhen Hu

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The trajectory tracking problem of Wheeled Mobile Robots (WMRs) is studied considering both the kinematic and dynamic models. To deal with the unknown dynamic equations and external disturbances, a dual adaptive controller is proposed based on the Echo State Networks (ESNs), which are recurrent neural networks with dynamic reservoirs. The unknown nonlinear(More)
We present a noninterior-point predictor-corrector algorithm for variational inequality Problem with equality linear constraints based on Chen-Kanzow-Smale smoothing techniques. This method is based upon a modified predictor-corrector interior-point algorithm. It is established the global linear convergence. nierówności wariancyjnych z liniowym(More)
In the real traffic network, traffic flows usually consist of two or more kinds of vehicles, such as motor vehicle and non-motor vehicle running in a mixed way. In this paper, we present a bilevel optimization model of area traffic signal optimum timing control in mixed traffic flows. Finally we give an effective algorithm for the problems.
A power penalty approach has been proposed to linear complementarity problem but not to Horizontal Linear Complementarity Problem (HLCP) because the coefficient matrix is not positive definite. It is skillfully proved that HLCP is equivalent to a variational inequality problem and a mixed linear complementarity problem for the first time. A power penalty(More)
We consider a solution proposed for solving the fixed demand user optimized network equilibrium problem with asymmetric user costs. We give a solution algorithm for the Jacobian matrix of the costs is asymmetry which is equal to the user optimal one with a special cost whose Jacobian matrix is symmetry and at last we give solution algorithm analysis, derive(More)
This paper considers user equilibrium as a nonlinear complementarity problem when the Jacobian of arc travel cost function is symmetric and asymmetric. It shows solutions of user equilibrium exist and corresponding arc flow is unique. It also presents a novel modified FBLSA algorithm which makes full use of the advantage of dealing with large-size road(More)
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