Results 151 to 160 of about 556,588 (202)

An Update on the Model of Connectivity of the Hippocampal Formation (I): The Perforant Pathway to the Dentate Gyrus. [PDF]

Hippocampus
Arellano JI, Rakic P.
europepmc   +1 more source

Experimental investigation into friction reduction induced by normal vibration from frequency dependence to unified vibration velocity amplitude. [PDF]

Sci Rep
Lu J, Zhao Z, Zhao S, Liu C.
europepmc   +1 more source

LMI representation of the shifted Popov criterion

LMI representation of the shifted Popov criterion
openaire   +1 more source

On the Robust Popov Criterion for Interval Lur'e System

IEEE Transactions on Automatic Control, 1993
Summary: The classical Popov criterion is generalized to include problems with parametric uncertainty as well as nonlinear sector bounded perturbations. The parametric dependence is modeled by an interval plant description. A robust Popov criterion is obtained for a plant-controller configuration.
Alberto Tesi, Antonio Vicino, M Dahleh
exaly   +4 more sources

Lyapunov Functions for the Multivariable Popov Criterion With Indefinite Multipliers

Automatica, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Guang Li, W P Heath
exaly   +7 more sources

A Root-locus Interpretation of the Popov Criterion†

International Journal of Control, 1966
ABSTRACT A new method is developed for applying the Popov criterion to determine the stability of linear time-invariant systems with non-linear feedback by using root-locus. The method, in many cases, is easier to apply than the existing methods. A technique for stabilizing a given non-linear system using tandom compensator is also presented.
H. K. RAMAPRIYAN, M. D. SRINATH, M. A. L. THATHACHAR   +2 more
openaire   +2 more sources

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A Popov Criterion for Uncertain Linear Multivariable Systems

Automatica, 1995
A simplified proof of the multivariable Popov criterion is given for the case of one-sided, sector-bounded real parameter uncertainty. Whereas the Popov criterion is traditionally proved using a Lyapunov function and the positive real lemma, here the proof is based upon frequency-domain arguments.
Wassim Michael Haddad, Dennis S. Bernstein, Andrew G Sparks   +2 more
exaly   +4 more sources

Lyapunov Functions for Generalized Discrete-time Multivariable Popov Criterion

IFAC Proceedings Volumes, 2011
This paper shows the existence of Lur'e-Postkinov Lyapunov functions for the generalized multivariable discrete-time Popov criterion. The nonlinearities in the Lur'e system considered here are monotonic, sector- and slope-restricted. We discuss the cases where the nonlinearities are diagonal and non-diagonal.
Ahmad, N. Syazreen, Heath, W. P., Li, G.; id_orcid 0000-0003-1068-0479   +2 more
openaire   +3 more sources

The Popov criterion for strongly stable distributed parameter systems

International Journal of Control, 2001
In this article we generalize the Popov criterion to the class of strongly stable infinite-dimensional linear systems; the semigroup is strongly stable and the input to state, state to output and input to output maps are all bounded on the infinite-time interval.
Curtain, RF, Oostveen, JC
core   +4 more sources