Results 91 to 100 of about 3,032,055 (192)
Optimal Control Strategies in an Alcoholism Model
Abstract and Applied Analysis, 2014 This paper presents a deterministic SATQ-type mathematical model (including susceptible, alcoholism, treating, and quitting compartments) for the spread of alcoholism with two control strategies to gain insights into this increasingly concerned about ...
Xun-Yang Wang +3 more
doaj +1 more source
Analysis of the minimum required coefficient of sliding friction at brachistochronic motion of a nonholonomic mechanical system [PDF]
FME Transactions, 2014 The paper analyzes the problem of brachistochronic motion of a nonholonomic mechanical system, using an example of a simple car model. The system moves between two default positions at an unaltered value of the mechanical energy during motion ...
Radulović Radoslav D. +2 more
doaj
Optimal control of a social epidemic model with media coverage
Journal of Biological Dynamics, 2017 A new social epidemic model to depict alcoholism with media coverage is proposed in this paper. Some fundamental properties of the model including existence and positivity as well as boundedness of equilibria are investigated. Stability of all equilibria
Hai-Feng Huo +3 more
doaj +1 more source
Maximum principle and optimal control
, 2011 76 σ.Στη διπλωματική εργασία αυτή περιγράφουμε την Αρχή Μεγίστου του Pontryagin, ένα από τα πιο σημαντικά εργαλεία του Βέλτιστου Έλγχου. Βλέπουμε αναλυτικά την απόδειξη της Αρχης Μεγίστου καθώς και κάποιες γενικεύσεις της.
Παλιμέρης-Θεοδόσης, Διονύσης Π. +1 more
core +1 more source
, 2020 In this paper we study the degeneracy phenomenon in optimal control problems with state constraints. It is shown that this phenomenon occurs because of the incompleteness of the standard variants of Pontryagin's maximum principle for problems with state ...
Arutyunov A.V., Aseev S.M.
core +2 more sources
A Dynamic Model for Fishery Resource with Reserve Area and Taxation
Journal of Applied Mathematics, 2012 The present paper deals with a dynamic reaction model of a fishery. The dynamics of a fishery resource system in an aquatic environment consists of two zones: a free fishing zone and a reserve zone.
Hai-Feng Huo +2 more
doaj +1 more source
Pontryagin's Minimum Principle for output-feedback systems: A compact overview
Pontryagin's Maximum Principle is one of two famous results towards characterization of solutions of optimal control problems. Due to a shift in the desire from maximizing gain or profit to minimizing costs it is nowadays more often and henceforth in ...
Kallies, Christian
core +1 more source
Discrete Dynamics in Nature and Society, 2016 This paper presents a singular prey-predator fishery model, where maturation delay for prey and gestation delay for predator are considered. Fishing efforts are introduced to harvest prey and predator population, which are developed as control ...
Chao Liu, Longfei Yu, Qingling Zhang
doaj +1 more source
, 1998 International audienceThis paper deals with optimal control problems governed by semilinear parabolic equations with pointwise state constraints and unbounded controls.
Raymond, Jean-Pierre, Zidani, H.
core +1 more source
Geometry of Optimal Control for Control-Affine Systems
Symmetry, Integrability and Geometry: Methods and Applications, 2013 Motivated by the ubiquity of control-affine systems in optimal control theory, we investigate the geometry of point-affine control systems with metric structures in dimensions two and three.
Jeanne N. Clelland +2 more
doaj +1 more source