Results 21 to 30 of about 2,654,552 (198)

Optimal control for a mathematical model for chemotherapy with pharmacometrics [PDF]

open access: yesMathematical Modelling of Natural Phenomena, 2020
An optimal control problem for an abstract mathematical model for cancer chemotherapy is considered. The dynamics is for a single drug and includes pharmacodynamic (PD) and pharmacokinetic (PK) models. The aim is to point out qualitative changes in the structures of optimal controls that occur as these pharmacometric models are varied. This concerns (i)
Urszula Ledzewicz   +3 more
openaire   +2 more sources

Optimal Strategies for Control of COVID-19: A Mathematical Perspective [PDF]

open access: yesScientifica, 2020
A deterministic ordinary differential equation model for SARS-CoV-2 is developed and analysed, taking into account the role of exposed, mildly symptomatic, and severely symptomatic persons in the spread of the disease. It is shown that in the absence of infective immigrants, the model has a locally asymptotically stable disease-free equilibrium ...
openaire   +4 more sources

Canonical Form of Lyapunov Second Method in Mathematical Modelling and Control Design [PDF]

open access: yesarXiv, 2021
The objective of the paper is to put canonical Lyapunov function(CLF), canonizing diffeomorphism (CD) and canonical form of dynamical systems (CFDS), which have led to the generalization of the Lyapunov second method, in perspective of their high efficiency for Mathematical Modelling and Control Design.
arxiv  

Hybridization of multi-objective deterministic particle swarm with derivative-free local searches [PDF]

open access: yes, 2020
The paper presents a multi-objective derivative-free and deterministic global/local hybrid algorithm for the efficient and effective solution of simulation-based design optimization (SBDO) problems.
Diez, M.   +5 more
core   +2 more sources

Mathematical Model and Analysis of Corruption Dynamics with Optimal Control [PDF]

open access: yesJournal of Applied Mathematics, 2022
In this study, a deterministic mathematical model that explains the transmission dynamics of corruption is proposed and analyzed by considering social influence on honest individuals. Positivity and boundedness of solution of the model are proved and basic reproduction number
Abayneh Kebede Fantaye   +1 more
openaire   +2 more sources

Algorithms for optimal control of stochastic switching systems [PDF]

open access: yes, 2016
© 2016 Society for Industrial and Applied Mathematics. Optimal control problems of switching type with linear state dynamics are ubiquitous in applications of stochastic optimization.
Hinz, J, Yap, N
core   +1 more source

Control hubs of complex networks and a polynomial-time identification algorithm [PDF]

open access: yesarXiv, 2022
Unveiling the underlying control principles of complex networks is one of the ultimate goals of network science. We introduce a novel concept, control hub, to reveal a cornerstone of the control structure of a network. The control hubs of a network are the nodes that lie in the middle of a control path in every control scheme of the network. We present
arxiv  

Quantum control in infinite dimensions [PDF]

open access: yesPhysics Letters A 322 (2004) 282-285, 2003
Accurate control of quantum evolution is an essential requirement for quantum state engineering, laser chemistry, quantum information and quantum computing. Conditions of controllability for systems with a finite number of energy levels have been extensively studied.
arxiv   +1 more source

A Comparison between Fixed-Basis and Variable-Basis Schemes for Function Approximation and Functional Optimization [PDF]

open access: yes, 2012
Fixed-basis and variable-basis approximation schemes are compared for the problems of function approximation and functional optimization (also known as infinite programming).
Gnecco, Giorgio
core   +3 more sources

A Note on Low-Pass Filter Conditioning for Current-Mode Control [PDF]

open access: yesarXiv, 2022
The low-pass filter is a classic control conditioning approach for high-frequency current-mode control. However, no existing literature discusses the large-signal stability criterion for the current-mode control with low-pass filters. This paper provides a mathematically rigorous large-signal stability criterion.
arxiv  

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