Results 301 to 310 of about 945,100 (334)
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Analysis and Control of Nonlinear Systems
Journal of Dynamic Systems, Measurement, and Control, 1993This paper describes my work on nonlinear analysis and control over the last twenty years. The first part of the paper concerns the development of nonlinear analysis tools for predicting stability and forced response characteristics of high speed ground vehicles.
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Strong Controllability of Nonlinear Systems
SIAM Journal on Control and Optimization, 1986Affine control systems defined by analytic vector fields are considered. The author individuates a subset of the Lie algebra associated to the system: the set of semicontrolled vector fields, which characterizes the strong controllability of the system. A method is given to determine some semicontrolled vector fields.
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A controllability condition for nonlinear systems
IEEE Transactions on Automatic Control, 1972It is shown that a control system characterized by a differential equation of the form \dot{x}(t) = A(t)x(t) + B(t)u(t) + f(t,x(t)) , whose linear part is controllable, is itself controllable provided the nonlinear function f satisfies a condition amounting to stating that its "dc gain" approaches zero as \parallelx\parallel \rightarrow \infty .
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Controllability of general nonlinear systems
Mathematical Systems Theory, 1978Consider the nonlinear system $$\dot x(t) = f(x(t)) + \sum\limits_{i = 1}^m {u_i (t)g_i (x(t)), x(0) = x_0 \in M}$$
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Invertibility of Nonlinear Control Systems
SIAM Journal on Control and Optimization, 1979This paper gives necessary and sufficient conditions for the invertibility of nonlinear control systems of the form $\dot x = A(x) + uB(x)$; $y = c(x)$, where the state space is a real analytic manifold. For invertible systems we construct nonlinear inverse systems.
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Controllability of Perturbed Nonlinear Systems
IMA Journal of Mathematical Control and Information, 1989Summary: Sufficient conditions for complete controllability of perturbed nonlinear systems with implicit derivative are given. The results are a generalization of the previous results of the author [IEE Proc., Part D 132, 14-17 (1985; Zbl 0554.93012)], \textit{G. Anchini, G. Conti} and \textit{P. Zecca} [Note Mat. 6, 99-111 (1986; Zbl 0612.93008)], and
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Cervical cancer prevention and control in women living with human immunodeficiency virus
Ca-A Cancer Journal for Clinicians, 2021Philip E Castle, Vikrant V Sahasrabuddhe
exaly