نتایج جستجو برای: state feedback
تعداد نتایج: 985958 فیلتر نتایج به سال:
We analyze the feedback loop in Tele-Graffiti, a cameraprojector based remote sketching system which we recently developed. We derive the gain through the feedback loop and the final images that will be viewed by the users of the system. We then derive the “optimal gain” as the gain that results in the final viewed images being as close as possible to the sum of the images actually drawn on the...
Spoken language exists because of a remarkable neural process. Inside a speaker's brain, an intended message gives rise to neural signals activating the muscles of the vocal tract. The process is remarkable because these muscles are activated in just the right way that the vocal tract produces sounds a listener understands as the intended message. What is the best approach to understanding the ...
We consider the use of linear multivariable feedback control to achieve a nonovershooting step response. A method is given for designing an LTI state feedback controller to asymptotically track a constant step reference with no overshoot and arbitrarily small rise time. Results are given for both minimum phase and nonminimum phase multivariable LTI systems.
The concept of “strong stability” of LTI systems has been introduced in a recent paper [KHP2]. This is a stronger notion of stability compared to alternative definitions (e.g. stability in the sense of Lyapunov, asymptotic stability), which allows the analysis and design of control systems with no overshooting response in the phase-space for arbitrary initial conditions. Here, after a brief rev...
This paper deals with the state feedback control for linear systems in presence of delay using a direct numerical design methodology. The algorithm iteratively searches solution space controller parameters to find proper gain that guarantees delay-independent stability closed-loop system. divides some simplexes, selects one simplex and evaluates two checking methods on this simplex. first metho...
This paper presents new techniques for controlling the motion of an underactuated vehicle when disturbances are present and only imperfect state measurements are available for feedback. A state feedback controller is developed and then it is converted to an imperfect state measurement feedback controller. The state feedback tracking control law uses an H∞-optimal design and produces a locally e...
Feedback control is expected to considerably protect quantum states against decoherence caused by interaction between the system and environment. Especially, Markovian feedback scheme developed by Wiseman can modify the properties of decoherence and eventually recover the purity of the steadystate of the corresponding master equation. This paper provides a condition for which the modified maste...
We examine linear single-input single-output finite-dimensional systems. It is shown that a continuous time controllable and observable system can be nullified utilizing periodic sampling of the output with time-varying linear feedback. Almost any sampling rate can be used. The result relies on a characterization of linear output feedback nullification of discrete time observable and controllab...
The presented design method aim is to synthesize a state feedback control law in such way that with respect to the prescribed eigenvalues of the closed-loop system matrix the corresponding eigenvectors are as close as possible to a decoupled system eigenvectors. It is demonstrated that some degree of freedom existing in the control design, representing by the parametric vectors set as well as b...
An analytical investigation of a half-car model with passenger dynamics, subjected to random road disturbance, is performed. Two diierent methods of deening the performance index for optimal controller design are proposed. Nondeterministic inputs are applied to simulate the road surface conditions more realistically. Results obtained illustrate that using an optimal state-feedback controller, w...
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