نتایج جستجو برای: bifurcation control
تعداد نتایج: 1347635 فیلتر نتایج به سال:
Related DatabasesWeb of Science You must be logged in with an active subscription to view this.Article DataHistorySubmitted: 1 June 2021Accepted: 21 September 2021Published online: 05 January 2022Keywordsbifurcation analysis, shape optimization, Moore--Spence systemAMS Subject Headings65P30, 65P40, 37M20, 65K10Publication DataISSN (print): 1064-8275ISSN (online): 1095-7197Publisher: Society for...
The first order optimality conditions of optimal control problems (OCPs) can be regarded as boundary value for Hamiltonian systems. Variational or symplectic discretisation methods are classically known their excellent long term behaviour. As posed on intervals fixed, moderate length, it is not immediately clear whether profit from structure preservation in this context. When parameters present...
Abstract Analytical determination of the bifurcation thresholds is of important interest for practical electrical machine design and analysis control. This paper presents mathematical investigation of the qualitative behavior of indirect filed oriented control induction motor based on bifurcation theory. In this context, steady-state responses analysis of the motor model is discussed and an ana...
We consider diierential equations _ x = f (x;) where the parameter = "t moves slowly through a bifurcation point of f. Such a dynamic bifurcation is often accompanied by a possibly dangerous jump transition. We construct smooth scalar feedback controls which avoid these jumps. For transcritical and pitchfork bifurcations, a small constant additive control is usually suucient. For Hopf bifurcati...
An intrinsic characteristic of musical sounds is the qualitative evolution their timbre (tone colour). In this paper, we interpret each change by a bifurcation. We employ spectral and temporal envelopes as two most salient features tone colour. Fourier analysis note generates its n-leading harmonic partials an amplitude n-vector A for n?2. introduce manifolds associated with vectors. This to ac...
We review some properties of dynamical systems with slowly varying parameters, when a parameter is moved through a bifurcation point of the static system. Bifurcations with a single zero eigenvalue may create hysteresis cycles, whose area scales in a nontrivial way with the adiabatic parameter. Hopf bifurcations lead to the delayed appearance of oscillations. Feedback control theory motivates t...
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