Results 11 to 20 of about 177 (64)

The $H^{\infty}$-control problem for parabolic systems with singular Hardy potentials

open access: yes, 2023
We solve the $H^{\infty}$-control problem with state feedback for infinite dimensional boundary control systems of parabolic type with distributed disturbances and apply the results to equations with Hardy potentials with the singularity inside or on the
Marinoschi, Gabriela
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Robust and Gain Scheduled Flight Control of Fixed-wing UAVs in Wind and Icing Conditions [PDF]

open access: yes, 2021
Inspirert av de stadig voksende bruksområdene for droner, fokuserer denne oppgaven på robust og "gain scheduled" regulering av fastvingedroner i vind- og isforhold.
Kleiven, Ruben
core  

Towards a Theoretical Foundation of Policy Optimization for Learning Control Policies

open access: yes, 2022
Gradient-based methods have been widely used for system design and optimization in diverse application domains. Recently, there has been a renewed interest in studying theoretical properties of these methods in the context of control and reinforcement ...
Başar, Tamer   +5 more
core  

Data-Driven H-infinity Control with a Real-Time and Efficient Reinforcement Learning Algorithm: An Application to Autonomous Mobility-on-Demand Systems

open access: yes, 2023
Reinforcement learning (RL) is a class of artificial intelligence algorithms being used to design adaptive optimal controllers through online learning. This paper presents a model-free, real-time, data-efficient Q-learning-based algorithm to solve the H ...
Aalipour, Ali, Khani, Alireza
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Robust optimal control for uncertain wheeled mobile robot based on reinforcement learning: ADP approach [PDF]

open access: yes
This paper presents a robust optimal control approach for the wheel mobile robot system, which considers the effects of external disturbances, uncertainties, and wheel slipping. The proposed method utilizes an adaptive dynamic programming (ADP) technique
Doan, Hoa Van, Thi-Thuy Vu, Nga
core   +2 more sources

Robust Control of a Multi-phase Interleaved Boost Converter for Photovoltaic Application using µ-Synthesis Approach [PDF]

open access: yes, 2020
The high demand of energy efficiency has led to the development power converter topologies and control system designs within the field of power electronics.
Alharbi, Badur Mueedh
core   +1 more source

On the Regret of $\mathcal{H}_{\infty}$ Control

open access: yes, 2022
The $\mathcal{H}_{\infty}$ synthesis approach is a cornerstone robust control design technique, but is known to be conservative in some cases. The objective of this paper is to quantify the additional cost the controller incurs planning for the worst ...
Iannelli, Andrea   +2 more
core   +1 more source

Bat optimization of hybrid neural network-FOPID controllers for robust robot manipulator control [PDF]

open access: yes
The position and trajectory tracking control of rigid-link robot manipulators suffers from problems such as poor accuracy, unstable performance, and response caused by unidentified loads and outside disturbances.
Ahmad Taher Azar   +7 more
core   +1 more source

Integrative high-throughput study of arsenic hyper-accumulation in Pteris vittata [PDF]

open access: yes, 2014
Arsenic is a natural contaminant in the soil and ground water, which raises considerable concerns in food safety and human health worldwide. The fernPteris vittata (Chinese brake fern) is the first identified arsenic hyperaccumulator[1]. It and its close
Wu, Qiong
core   +1 more source

Modelação e Controlo Robusto da Dinâmica da Atitude de Quadrotores [PDF]

open access: yes, 2018
A inspeção de linhas elétricas é uma atividade essencial para o bom funcionamento e fornecimento de energia aos seus consumidores. Esta inspeção é efetuada por veículos aéreos tripulados, sobretudo helicópteros mas tem como desvantagens estes serem ...
Brum, Adriano Jorge
core  

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