منابع مشابه
Observers for linear time-varying systems
In a general sense, observation is the problem of finding estimates for the current values of a set of signals given the current and the past values of another set of signals, where both signal sets are interconnected by the action of a dynamical system. In the work of Luenberger [6, 7] a method is described how this can be done in the context of linear time-invariant control systems, where the...
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The paper deals with the minimum case where the order of the observer and the number of observed variables are equal. The results are deduced from the analysis of the necessary and sufficient existence conditions for an asymptotic observer. A constructive procedure for the design of a minimum linear functional observer for a linear time-varying linear system is given. As a specific feature, the...
متن کاملNonlinear Observers for Perspective Time-Varying Linear Systems
Perspective dynamical systems arise in machine vision problems, in which only perspective observation is available, and the essential problem is to estimate the state and /or unknown parameters for a moving rigid body based on the observed information. This paper proposes and studies a Luenberger-type observer for perspective time-varying linear systems. In particular, assuming a given perspect...
متن کاملInterval Observers for Linear Systems with Time-Varying Delays
This paper considers linear observed systems with time-varying delays, where the state as well as the observation of the state is subject to delays. It is assumed that the delays are unknown but stay below a certain bound. Similar to the case of uncertainties in the systems parameters we aim to derive upper and lower estimates for the state of the system under consideration. A pair of estimator...
متن کاملOn the Approximation of Pseudo Linear Systems by Linear Time Varying Systems (RESEARCH NOTE)
This paper presents a modified method for approximating nonlinear systems by a sequence of linear time varying systems. The convergence proof is outlined and the potential of this methodology is discussed. Simulation results are used to show the effectiveness of the proposed method.
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ژورنال
عنوان ژورنال: Linear Algebra and its Applications
سال: 2007
ISSN: 0024-3795
DOI: 10.1016/j.laa.2007.01.015