Results 31 to 40 of about 68,989 (275)

50 years of mixed-integer nonlinear and disjunctive programming

open access: yesEuropean Journal of Operational Research
Jan Kronqvist   +2 more
exaly   +2 more sources

Exact minimization of the energy losses and the CO2 emissions in isolated DC distribution networks using PV sources

open access: yesDyna, 2021
This paper addresses the optimal location and sizing of photovoltaic (PV) sources in isolated direct current (DC) electrical networks, considering time-varying load and renewable generation curves.
Alexander Molina   +2 more
doaj   +1 more source

Dynamic Coordinated Active–Reactive Power Optimization for Active Distribution Network with Energy Storage Systems

open access: yesApplied Sciences, 2019
This paper proposes a coordinated active–reactive power optimization model for an active distribution network with energy storage systems, where the active and reactive resources are handled simultaneously.
Lingling Wang   +4 more
doaj   +1 more source

Optimal Biocompatible Solvent Design by Mixed-integer Hybrid Differential Evolution [PDF]

open access: yesBioautomation, 2008
In this study, a flexible optimization approach is introduced to design an optimal biocompatible solvent for an extractive fermentation process with cell-recycling.
Hou-Chieh Cheng, Feng-Sheng Wang
doaj  

Optimal Configuration of Gas Solid Separation Equipment Using Mixed Integer Nonlinear Programming

open access: yesAtmosphere, 2022
The separation of solid particles from gas-solid process streams is an important unit operation in many chemical processes. Out of the many different types of separation equipment that are used for gas-solid separation, cyclone separators are widely used
Muhamad Fariz Failaka   +4 more
doaj   +1 more source

Multi-objective optimization of biomass to biomethane system

open access: yesGreen Energy & Environment, 2016
The superstructure optimization of biomass to biomethane system through digestion is conducted in this work. The system encompasses biofeedstock collection and transportation, anaerobic digestion, biogas upgrading, and digestate recycling.
Nana Yan   +5 more
doaj   +1 more source

Global optimization of mixed-integer nonlinear programs with SCIP 8

open access: yesJournal of Global Optimization, 2023
Abstract For over 10 years, the constraint integer programming framework SCIP has been extended by capabilities for the solution of convex and nonconvex mixed-integer nonlinear programs (MINLPs). With the recently published version 8.0, these capabilities have been largely reworked and extended. This paper discusses the motivations for recent
Ksenia Bestuzheva   +5 more
openaire   +5 more sources

Optimal Antibody Purification Strategies Using Data-Driven Models

open access: yesEngineering, 2019
This work addresses the multiscale optimization of the purification processes of antibody fragments. Chromatography decisions in the manufacturing processes are optimized, including the number of chromatography columns and their sizes, the number of ...
Songsong Liu, Lazaros G. Papageorgiou
doaj   +1 more source

Design of a Logistics Nonlinear System for a Complex, Multiechelon, Supply Chain Network with Uncertain Demands

open access: yesComplexity, 2018
Industrial systems, such as logistics and supply chain networks, are complex systems because they comprise a big number of interconnected actors and significant nonlinear and stochastic features.
Aaron Guerrero Campanur   +4 more
doaj   +1 more source

A Comprehensive Approach for an Approximative Integration of Nonlinear-Bivariate Functions in Mixed-Integer Linear Programming Models

open access: yesMathematics, 2022
As decentralized energy supply units, microgrids can make a decisive contribution to achieving climate targets. In this context, it is particularly important to determine the optimal size of the energy components contained in the microgrids and their ...
Maximilian Roth   +2 more
doaj   +1 more source

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