Results 31 to 40 of about 1,327 (197)

Model Predictive Control Based on Intelligent Model for Low Earth Orbit Satellite [PDF]

open access: yesفناوری در مهندسی هوافضا, 2021
In this paper, an orbit control algorithm is implemented for low earth orbit (LEO) satellites, using artificial neural networks (ANN), model-based predictive control (MPC), and linear quadratic regulator (LQR).
Taha Yasini   +2 more
doaj  

An MPC-LQR-LPV Controller with Quadratic Stability Conditions for a Nonlinear Half-Car Active Suspension System with Electro-Hydraulic Actuators

open access: yesMachines, 2022
The active suspension system of a vehicle manipulated using electro-hydraulic actuators is a challenging nonlinear control problem. In this research work, a novel Linear Parameter Varying (LPV) State-Space (SS) model with a fictional input is proposed to
Daniel Rodriguez-Guevara   +4 more
doaj   +1 more source

Controlador Híbrido Robusto PI-LQG Para Melhoria da Performance do STATCOM

open access: yesEletrônica de Potência, 2020
Este trabalho propõe uma técnica de controle híbrida Proporcional Integral - Linear Quadratic Gaussian (PI-LQG) para o Static Synchronous Compensator (STATCOM).
P. Robson M. Costa   +3 more
doaj   +1 more source

Control of longitudinal flight dynamics of a fixedwing UAV using LQR, LQG and nonlinear control [PDF]

open access: yesE3S Web of Conferences, 2019
This paper aim is to present a comparative study between Linear Quadratic Regulator (LQR), Linear Quadratic Gaussian (LQG) and nonlinear controllers for pitch control of a fixed-wing Unmanned Aerial Vehicle (UAV).
Ingabire Aline, Sklyarov Andrey A.
doaj   +1 more source

Model-free optimal anti-slug control of a well-pipeline-riser in the K-Spice/LedaFlow simulator [PDF]

open access: yesModeling, Identification and Control, 2015
Simplified models are developed for a 3-phase well-pipeline-riser and tested together with a high fidelity dynamic model built in K-Spice and LedaFlow. These models are developed from a subspace algorithm, i.e.
Christer Dalen   +2 more
doaj   +1 more source

Tuning of a Linear-Quadratic Stabilization System for an Anti-Aircraft Missile

open access: yesAerospace, 2021
A description is given of an application of a linear-quadratic regulator (LQR) for stabilizing the characteristics of an anti-aircraft missile, and an analytical method of selecting the weighting elements of the gain matrix in feedback loop is proposed ...
Witold Bużantowicz
doaj   +1 more source

Perbaikan Kestabilan Dinamik Sistem Tenaga Listrik Multimesin dengan Metoda Linear Quadratic Regulator

open access: yesJurnal Nasional Teknik Elektro, 2013
System stability is an inportant part in the planning and operation of electric power systems, especially dynamic stability. The ability of a power system to maintain stability under small disturbances defined as dynamic stability.
Aidil Danas   +2 more
doaj   +1 more source

About the loss of robustness of the LQG/LTR compensator [PDF]

open access: yesINCAS Bulletin
It is known that the optimal LQR regulator (Linear Quadratic Regulator) with full state feedback has remarkable robustness properties, defined by gain margins of (1/2, ) and phase of at least ± 60 degrees.
Ioan URSU, Adrian TOADER
doaj   +1 more source

Modeling and control for a magnetic levitation system based on SIMLAB platform in real time

open access: yesResults in Physics, 2018
Magnetic Levitation system becomes a hot topic of study due to the minimum friction and low energy consumption which regards as very important issues.
Mundher H.A. Yaseen, Haider J. Abd
doaj   +1 more source

Neural-Assisted Synthesis of a Linear Quadratic Controller for Applications in Active Suspension Systems of Wheeled Vehicles

open access: yesEnergies, 2023
This article presents a neural algorithm based on Reinforcement Learning for optimising Linear Quadratic Regulator (LQR) creation. The proposed method allows designing such a target function that automatically leads to changes in the quality and resource
Mateusz Kozek   +2 more
doaj   +1 more source

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