Results 1 to 10 of about 57,800 (281)

Optimal Operation of Soft Open Points-Based Energy Storage in Active Distribution Networks by Considering the Battery Lifetime

open access: yesFrontiers in Energy Research, 2021
Soft open point-based energy storage (SOP-based ES) can transfer power in time and space and also regulate reactive power. These characteristics help promote the integration of distributed generations (DGs) and reduce the operating cost of active ...
Jian Wang   +3 more
doaj   +1 more source

A comparison between MILP and MINLP approaches to optimal solution of Nonlinear Discrete Transportation Problem

open access: yesTransport, 2015
Finding an exact optimal solution of the Nonlinear Discrete Transportation Problem (NDTP) represents a challenging task in transportation science. Development of an adequate model formulation and selection of an appropriate optimization method are thus ...
Uroš Klanšek
doaj   +1 more source

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

Packing While Traveling: Mixed Integer Programming for a Class of Nonlinear Knapsack Problems [PDF]

open access: yes, 2015
Packing and vehicle routing problems play an important role in the area of supply chain management. In this paper, we introduce a non-linear knapsack problem that occurs when packing items along a fixed route and taking into account travel time.
C Chekuri   +11 more
core   +1 more source

Models and Solutions of Resource Allocation Problems based on Integer Linear and Nonlinear Programming [PDF]

open access: yes, 2016
In this thesis we deal with two problems of resource allocation solved through a Mixed-Integer Linear Programming approach and a Mixed-Integer Nonlinear Chance Constraint Programming approach.
Thomopulos, Dimitri <1987>
core   +1 more source

Mixed-integer nonlinear programming 2018 [PDF]

open access: yesOptimization and Engineering, 2019
Mixed-Integer Nonlinear Programming (MINLP) is the area of optimization that addresses nonlinear problems with continuous and integer variables. MINLP has proven to be a powerful tool for modeling. At the same time, it combines algorithmic design challenges from combinatorial and nonlinear optimization.
openaire   +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 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

Plunge milling time optimization via mixed-integer nonlinear programming [PDF]

open access: yes, 2016
International audiencePlunge milling is a recent and efficient production mean for machining deep workpieces, notably in aeronautics. This paper focuses on the minimization of the machining time by optimizing the values of the cutting parameters ...
Bes, Christian   +3 more
core   +2 more sources

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

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