Results 31 to 40 of about 1,277,746 (294)

On the Convergence of Constrained Particle Filters

open access: yesIEEE Signal Processing Letters, 2017
The power of particle filters in tracking the state of nonlinear and non-Gaussian systems stems not only from their simple numerical implementation but also from their optimality and convergence properties. In particle filtering, the posterior distribution of the state is approximated by a discrete mass of samples, called particles, that stochastically
Nesrine Amor   +3 more
openaire   +1 more source

On n-Convergence of Filters

open access: yesAl-Qadisiyah Journal of Pure Science, 2021
In this work, we have present a new form of sets named - open sets. We have study and described some of the properties and  relationships between these sets. We have obtained some results and relationships between by the theories inferring through the style set (n-open).
openaire   +2 more sources

A Variable Step-size CLMS Algorithm and Its Analysis [PDF]

open access: yesRadioengineering, 2020
In this paper, a hyperbolic tangent variable step-size convex combination of the least mean square (HTVSCLMS) algorithm is proposed and analyzed. This work avoids the compromise between the convergence speed and the steady-state error for two filters in ...
X. Fan, Z. Tan, P. Song, L. Chen
doaj  

Attitude Estimation for Rigid Aircraft with Time-Varying Gyro Bias: A Finite-Time Complementary Filtering Approach

open access: yesGuidance, Navigation and Control
This paper proposes a novel finite-time complementary filtering approach for attitude estimation of rigid-body aircraft subject to time-varying gyro bias.
Guanghui Wen   +4 more
doaj   +1 more source

Estimation of Power System and Electrical Transient Status Based on Particle Filter

open access: yesChemical Engineering Transactions, 2017
In order to improve the accuracy and convergence speed of the transient estimation of the power system, taking into account the nonlinearity of the system, the Kalman filter (EKF) algorithm which is mainly used in the current status estimation of the ...
Fengling Fang
doaj   +1 more source

Newton-Based Extremum Seeking for Dynamic Systems Using Kalman Filtering: Application to Anaerobic Digestion Process Control

open access: yesMathematics, 2023
In this paper, a new Newton-based extremum-seeking control for dynamic systems is proposed using Kalman filter for gradient and Hessian estimation as well as a stochastic perturbation signal with time-varying amplitude.
Yang Tian   +6 more
doaj   +1 more source

Abstract Theorems on Exchange of Limits and Preservation of (Semi)continuity of Functions and Measures in the Filter Convergence Setting

open access: yesJournal of Function Spaces, 2016
We give necessary and sufficient conditions for exchange of limits of double-indexed families, taking values in sets endowed with an abstract structure of convergence, and for preservation of continuity or semicontinuity of the limit family, with respect
Antonio Boccuto, Xenofon Dimitriou
doaj   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

open access: yesFEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee   +7 more
wiley   +1 more source

A Generalized Gradient Projection Filter Algorithm for Inequality Constrained Optimization

open access: yesJournal of Applied Mathematics, 2013
A generalized gradient projection filter algorithm for inequality constrained optimization is presented. It has three merits. The first is that the amount of computation is lower, since the gradient matrix only needs to be computed one time at each ...
Wei Wang, Shaoli Hua, Junjie Tang
doaj   +1 more source

A BASIC CONVERGENCE RESULT FOR PARTICLE FILTERING

open access: yesIFAC Proceedings Volumes, 2007
The basic nonlinear filtering problem for dynamical systems is considered. Approximating the optimal filter estimate by particle filter methods has become perhaps the most common and useful method in recent years. Many variants of particle filters have been suggested, and there is an extensive literature on the theoretical aspects of the quality of the
Xiao-Li Hu   +2 more
openaire   +3 more sources

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