Results 1 to 10 of about 3,712,155 (267)

Joint Allocation on Communication and Computing Resources for Fog Radio Access Networks

open access: yesIEEE Access, 2020
To improve the user experience, an increasing number of mobile applications offload their computing tasks to servers with powerful computing capabilities. The fog radio access network (F-RAN) incorporates the concept of “fog computing” into
Yingteng Ma   +4 more
doaj   +1 more source

A generic multi‐period optimal power flow framework for combating operational constraints via residential flexibility resources

open access: yesIET Generation, Transmission & Distribution, 2021
In low voltage networks, the majority of distributed energy resources are customer owned. As such, it is harder for the distribution system operator to control its system and maintain acceptable operating conditions.
Iason I. Avramidis   +2 more
doaj   +1 more source

Operational Optimization of Steam Turbine Systems for Time Series in Hourly Resolution: A Systematic Comparison of Linear, Quadratic and Nonlinear Approaches

open access: yesEnergies
Computer-aided modeling and mathematical optimization of energy systems are essential for improving operational efficiency and achieving emission reductions, particularly for steam turbine systems with part-load-dependent efficiency characteristics ...
Louisa Zaubitzer   +2 more
doaj   +1 more source

Time-Optimal Attitude Scheduling of a Spacecraft Equipped with Reaction Wheels

open access: yesInternational Journal of Aerospace Engineering, 2018
The time-optimal control problem of a spacecraft equipped with reaction wheels has been studied, in which the spacecraft is constrained to sequentially assume a set of attitudes, whose order is not specified.
Alberto Olivares, Ernesto Staffetti
doaj   +1 more source

Plantwide optimization of monoclonal antibody manufacturing platforms via mixed integer nonlinear programming [PDF]

open access: yesRoyal Society Open Science
Design variables of upstream and downstream process units play a significant role in the performance of monoclonal antibody (mAb) production platforms.
Wil Jones, Dimitrios I. Gerogiorgis
doaj   +1 more source

Global optimality conditions for mixed integer nonlinear programming problems

open access: yes四川大学学报. 自然科学版, 2017
In recent years, the application of mixed integer nonlinear programming problem has been extremely active and very extensive. In this paper, some necessary conditions for a given global minimizer applied to mixed integer nonlinear programming problem ...
QUAN Jing, LI Guo-Quan
doaj  

A hybrid imperialist competitive algorithm for solving economic lot and delivery scheduling problem in a four-stage supply chain

open access: yesAdvances in Mechanical Engineering, 2017
In this article, we study the economic lot and delivery scheduling problem for a four-stage supply chain that includes suppliers, fabricators, assemblers, and retailers.
Hamidreza Kia   +2 more
doaj   +1 more source

A Mixed Discrete PSO Algorithm for Synthesis of Mass Exchange Network with Incompatible Multicomponent

open access: yesChemical Engineering Transactions, 2017
A new mixed discrete particle swarm optimization (PSO) algorithm, i.e. DCH-PSO, was presented to solve mixed integer nonlinear programming (MINLP) problems.
S. Tao, M. Jiang, M. Liu, L. Ding
doaj   +1 more source

A Convex Optimization Algorithm for Electricity Pricing of Charging Stations

open access: yesAlgorithms, 2019
The problem of electricity pricing for charging stations is a multi-objective mixed integer nonlinear programming. Existing algorithms have low efficiency in solving this problem.
Jing Zhang   +7 more
doaj   +1 more source

An application of Markowitz theorem on Tehran Stock Exchange [PDF]

open access: yesManagement Science Letters, 2014
During the past 65 years, there have been tremendous efforts on portfolio selection problem. The standard Markowitz mean–variance model to portfolio selection includes tracing out an efficient frontier, a continuous curve demonstrating the tradeoff ...
Hassan Ghodrati, Mohammad Abbasi
doaj   +1 more source

Home - About - Disclaimer - Privacy