Results 71 to 80 of about 28,299,233 (201)

Atmospheric Constituent Data Assimilation in NASA's Goddard Earth Observing System

Earth and Space Science, Volume 13, Issue 8, August 2026.
Abstract Many of today's most significant and urgent scientific questions, including those about the impact of human activity on air quality and radiative forcing, require the synthesis of observations of atmospheric constituents and scientific theory.
B. Weir, K. Wargan, C. A. Keller, K. E. Knowland, P. A. Wales, V. Shah, B. M. Karpowicz, N. Balashov, L. E. Ott, R. Todling, S. E. Cohn, S. Pawson   +11 more
wiley   +1 more source

Measured‐State Conditioned Recursive Feasibility for Stochastic Model Predictive Control

International Journal of Robust and Nonlinear Control, Volume 36, Issue 11, Page 5964-5981, 25 July 2026.
ABSTRACT In this paper, we address the problem of designing stochastic model predictive control (SMPC) schemes for linear systems affected by unbounded disturbances. The contribution of the paper is rooted in a measured‐state initialization strategy. First, due to the nonzero probability of violating chance‐constraints in the case of unbounded noise ...
Mirko Fiacchini, Martina Mammarella, Fabrizio Dabbene   +2 more
wiley   +1 more source

NGMV control of delayed piecewise affine systems [PDF]

, 2010
A Nonlinear Generalized Minimum Variance (NGMV) control algorithm is introduced for the control of piecewise affine (PWA) systems. Under some conditions, discrete-time PWA systems can be transferred into an equivalent state-dependent nonlinear system ...
Pang, Y., Grimble, Michael
core   +2 more sources

Control Optimization of a Dual-Stage Cable Robot with Redundancy Using ‎State Dependent Riccati Equation Approach [PDF]

International Journal of Industrial Engineering and Production Research
The purpose of this paper is to optimal control a dual-stage cable robot in a predefined path and to determine the maximum load-carrying capacity of this robot as a tower crane. Also, to expand the workspace of the robot two stages are employed.
mohsen Nourizadeh, Moharram Habibnejad Korayem, Hami Tourajizadeh   +2 more
doaj  

Photonic Doping of Epsilon‐Near‐Zero Bragg Microcavities

Nanophotonics, Volume 15, Issue 13, 13 July 2026.
Photonic doping of an epsilon‐near‐zero (ENZ) Bragg microcavity at optical frequencies induces strong magnetic responses from dielectric inclusions, enabling intense field localization, Purcell enhancement, and tunable hybrid Bragg–Mie modes. The platform supports perfect magnetic conductor and epsilon‐and‐mu‐near‐zero regimes, offering opportunities ...
Ali Panahpour, Jussi Kelavuori, Mikko Huttunen   +2 more
wiley   +1 more source

Control with Fault Detection of the DC Microgrids Using SDRE-Controller-Observer

Journal of Applied Science and Engineering
In the present work, using the State-Dependent Riccati Equation approach, the optimal optimizer-controller is designed for a small DC network isolated from the network. The objectives are to control the output voltage of the solar cell, as well as output
Linchao Ma, Jingkui Mao
doaj   +1 more source

Research on Control Method of Keeping Flight Formation by Using SDRE on the Sun-Earth Libration Points

Advances in Astronomy, 2017
Keeping the flying formation of spacecraft is a key problem which needs to be solved in deep space exploration missions. In this paper, the nonlinear dynamic model of formation flying is established and a series of transformations are carried out on this
He Zhenqi, Zhang Ke, Lv Meibai
doaj   +1 more source

Synthesizing Interacting Model‐Based Optimal Control and Model‐Free Learning Approaches for Nonlinear Systems

International Journal of Robust and Nonlinear Control, Volume 36, Issue 10, Page 5619-5634, 10 July 2026.
ABSTRACT In this paper, we consider the optimal control problem for an unknown continuous‐time nonlinear system, and present a framework that integrates model‐based and model‐free methods to solve it. Each approach offers distinct advantages: model‐based techniques provide offline synthesis and data efficiency, while model‐free procedures excel at ...
Surabhi Athalye, Kyriakos G. Vamvoudakis, Panos J. Antsaklis   +2 more
wiley   +1 more source

Optimized discrete-time state dependent Riccati equation regulator

, 2005
The state dependent Riccati equation was originally developed for the continuous time systems. In the paper the optimality of a discrete time version of the state dependent Riccati equation is considered. The derivation of the optimal control strategy is
Dutka, A., Grimble, M.J., Ordys, A.W.
core   +4 more sources

An adaptive fuzzy sliding mode controller for the depth control of an underactuated underwater vehicle

International Journal of Advanced Robotic Systems, 2019
An adaptive fuzzy sliding mode controller is proposed for the depth control of an underactuated underwater vehicle based on the state-dependent Riccati equation.
Yuan Chen, Yinpo Yan, Kangling Wang, Shuqi Liu   +3 more
doaj   +1 more source