نتایج جستجو برای: nonlinear time
تعداد نتایج: 2059995 فیلتر نتایج به سال:
Abstract. In this paper, a high-order nonlinear integral-derivative observer is presented based on finitetime stability and singular perturbation technique. The proposed integral-derivative observer can not only obtain the multiple integrals of a signal, but can also estimate the derivatives. Conditions are given ensuring finite-time stability for the presented integral-derivative observer, and...
airplane in presence of asymmetric left-wing damaged. Variations of the aerodynamic parameters, mass and moments of inertia, and the center of gravity due to damage are all considered in the nonlinear mathematical modeling. The proposed discrete-time nonlinear MRAC algorithm applies the recursive least square (RLS) algorithm as a parameter estimator as well as the error between the real ...
Two-time-scale stochastic approximation, a generalized version of the popular has found broad applications in many areas including control, optimization, and machine learning. Despite its popularity, theoretical guarantees this method, especially finite-time performance, are mostly achieved for linear case while results nonlinear counterpart very sparse. Motivated by classic control theory sing...
In this paper, vibrations and bifurcation of a damped system consists of a mass grounded by linear and nonlinear springs and a nonlinear damper is studied. Nonlinear equation of motion is derived using Newton’s equations. Approximate analytical solutions are obtained using multiple time scales (MTS) method. For free vibration, the approximate analytical results are compared with the numerical i...
the concepts of structural optimization was introduced about sixty years ago. smiths from the university of los angeles (california) for the first time has offered the combination of finite element method and optimization techniques to design optimum structures (1960). at present time, this techniques are generally understood and many softwares for this perpose have been developed. in this pape...
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