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1,063 Results Found

  • Article
  • Open Access
4 Citations
1,899 Views
21 Pages

2 August 2023

The linear Diophantine fuzzy set notion is the main foundation of the interactive method of tackling nonlinear fractional programming problems that is presented in this research. When the decision maker (DM) defines the degree α of α leve...

  • Article
  • Open Access
13 Citations
3,067 Views
20 Pages

1 July 2021

In this paper, a penalty method is used together with a barrier method to transform a constrained nonlinear programming problem into an unconstrained nonlinear programming problem. In the proposed approach, Newton’s method is applied to the barrier K...

(This article belongs to the Section E: Applied Mathematics)
  • Article
  • Open Access
2 Citations
2,427 Views
12 Pages

13 November 2023

Due to various unpredictable factors, a decision maker frequently experiences uncertainty and hesitation when dealing with real-world practical optimization problems. At times, it’s necessary to simultaneously optimize a number of non-linear an...

(This article belongs to the Special Issue Recent Developments in Fuzzy Control Systems and Their Applications)
  • Article
  • Open Access
12 Citations
3,416 Views
12 Pages

13 October 2020

An algorithm based on the human evolutionary model is proposed for solving nonlinear bilevel programing problems. In view of the hierarchical structure of this problem, the algorithm is designed through feeding back the optimal solution of the lower-...

  • Article
  • Open Access
403 Views
32 Pages

5 August 2026

This paper aims to present efficient alternative mixed-integer non-linear programming models and a customized hybrid metaheuristic, the Genetic-Based Algorithm (GBA), for a resource-constrained project-scheduling problem with a flexible network struc...

  • Feature Paper
  • Article
  • Open Access
34 Citations
6,480 Views
17 Pages

Application of Dynamic Non-Linear Programming Technique to Non-Convex Short-Term Hydrothermal Scheduling Problem

  • Omid Hoseynpour,
  • Behnam Mohammadi-ivatloo,
  • Morteza Nazari-Heris and
  • Somayeh Asadi

19 September 2017

Short-term hydro-thermal scheduling aims to obtain optimal generation scheduling of hydro and thermal units for a one-day or a one-week scheduling time horizon. The main goal of the problem is to minimize total operational cost considering a series o...

(This article belongs to the Special Issue Hydropower 2017)
  • Article
  • Open Access
5 Citations
3,858 Views
25 Pages

17 November 2019

In this paper, we target the problems of finding a global minimum of nonlinear and stochastic programming problems. To solve this type of problem, we propose new approaches based on combining direct search methods with Evolution Strategies (ESs) and...

(This article belongs to the Special Issue Evolutionary Computation and Mathematical Programming)
  • Article
  • Open Access
22 Citations
5,344 Views
9 Pages

24 February 2018

In practical situations, we often have to handle programming problems involving indeterminate information. Building on the concepts of indeterminacy I and neutrosophic number (NN) (z = p + qI for p, q ∈ ℝ), this paper introduces some basic operations...

(This article belongs to the Special Issue Neutrosophic Multi-Criteria Decision Making)
  • Article
  • Open Access
16 Citations
4,183 Views
20 Pages

19 May 2022

The problem of optimizing an objective function that exists within the constraints of equality and inequality is addressed by nonlinear programming (NLP). A linear program exists if all of the functions are linear; otherwise, the problem is referred...

(This article belongs to the Section D2: Operations Research and Fuzzy Decision Making)
  • Article
  • Open Access
10 Citations
1,108 Views
23 Pages

Two TOPSIS-Based Approaches for Multi-Choice Rough Bi-Level Multi-Objective Nonlinear Programming Problems

  • Mohamed A. El Sayed,
  • Farahat A. Farahat,
  • Mohamed A. Elsisy,
  • Maazen Alsabaan and ,
  • Mohamed I. Ibrahem and
  • Haitham Elwahsh
  • + 1 author+ 0 author

9 April 2025

The multi-choice rough bi-level multi-objective nonlinear programming problem (MR-BLMNPP) has noticeably risen in various real applications. In the current model, the objective functions have a multi-choice parameter, and the constraints are represen...

  • Article
  • Open Access
1 Citations
2,386 Views
21 Pages

14 November 2020

This paper investigates the solution for an inverse of a parametric nonlinear transportation problem, in which, for a certain values of the parameters, the cost of the unit transportation in the basic problem are adapted as little as possible so that...

  • Article
  • Open Access
18 Citations
7,484 Views
22 Pages

Optimised Heat Pump Management for Increasing Photovoltaic Penetration into the Electricity Grid

  • Cristian Sánchez,
  • Lionel Bloch,
  • Jordan Holweger,
  • Christophe Ballif and
  • Nicolas Wyrsch

25 April 2019

Advanced control of heat pumps with thermal storage and photovoltaics has recently been promoted as a promising solution to help decarbonise the residential sector. Heat pumps and thermal storage offer a valuable flexibilisation mean to integrate sto...

(This article belongs to the Special Issue Integration of PV in Distribution Networks)
  • Article
  • Open Access
58 Citations
7,438 Views
25 Pages

15 January 2019

Demand uncertainty is an important issue that influences the strategic, tactical, and operational-level decision making in the transportation/logistics/supply chain planning. In this study, we explore the effect of demand uncertainty on the operation...

  • Article
  • Open Access
61 Citations
4,326 Views
17 Pages

Optimal Control of Time-Delay Fractional Equations via a Joint Application of Radial Basis Functions and Collocation Method

  • Shu-Bo Chen,
  • Samaneh Soradi-Zeid,
  • Hadi Jahanshahi,
  • Raúl Alcaraz and ,
  • José Francisco Gómez-Aguilar,
  • Stelios Bekiros and
  • Yu-Ming Chu
  • + 2 authors+ 0 author

26 October 2020

A novel approach to solve optimal control problems dealing simultaneously with fractional differential equations and time delay is proposed in this work. More precisely, a set of global radial basis functions are firstly used to approximate the state...

(This article belongs to the Section Complexity)
  • Article
  • Open Access
5 Citations
3,664 Views
16 Pages

18 January 2019

This paper deals with the parameter identification of a microbial batch process of glycerol to 1,3-propanediol (1,3-PD). We first present a parameter identification model for the excess kinetics of a microbial batch process of glycerol to 1,3-PD. Thi...

(This article belongs to the Section Applied Biosciences and Bioengineering)
  • Article
  • Open Access
22 Citations
3,583 Views
20 Pages

Optimal Location-Reallocation of Battery Energy Storage Systems in DC Microgrids

  • Oscar Danilo Montoya,
  • Walter Gil-González and
  • Edwin Rivas-Trujillo

5 May 2020

This paper deals with the problem of optimal location and reallocation of battery energy storage systems (BESS) in direct current (dc) microgrids with constant power loads. The optimization model that represents this problem is formulated with two ob...

(This article belongs to the Special Issue Microgrids: Planning, Protection and Control)
  • Article
  • Open Access
26 Citations
6,520 Views
20 Pages

A Location-Inventory Problem in a Closed-Loop Supply Chain with Secondary Market Consideration

  • Hao Guo,
  • Congdong Li,
  • Ying Zhang,
  • Chunnan Zhang and
  • Mengmeng Lu

5 June 2018

To design sustainable supply chain systems in today’s business environment, this paper studies a location-inventory problem in a closed-loop supply chain by considering the sales of new and used products in the primary and secondary markets, re...

(This article belongs to the Special Issue Sustainable Supply Chain System Design and Optimization)
  • Article
  • Open Access
7 Citations
3,914 Views
23 Pages

14 February 2023

Offshore ships’ emission has a tremendous environmental and healthy impact on the port cities and citizens, even though the Emission Control Area (ECA) policy imposes legislative constraints on the ships. It is challenging to detect ships with...

(This article belongs to the Section Air Quality)
  • Article
  • Open Access
5 Citations
1,976 Views
12 Pages

28 March 2024

This study designs a two-stage algorithm to address the bid generation problem of carriers when adding new vehicle routes in the presence of the existing vehicle routes to provide transportation service. To obtain the best auction combination and bid...

(This article belongs to the Section E2: Control Theory and Mechanics)
  • Article
  • Open Access
9 Citations
4,441 Views
23 Pages

30 October 2023

In this study, we propose a novel multi-objective nonlinear mixed-integer mathematical programming model for the transit network design and frequency setting problem that aims at designing the routes and determining the frequencies of the routes to s...

(This article belongs to the Section E: Applied Mathematics)
  • Article
  • Open Access
18 Citations
5,170 Views
28 Pages

Swarm-Intelligence Optimization Method for Dynamic Optimization Problem

  • Rui Liu,
  • Yuanbin Mo,
  • Yanyue Lu,
  • Yucheng Lyu and ,
  • Yuedong Zhang and
  • Haidong Guo
  • + 1 author+ 0 author

25 May 2022

In recent years, the vigorous rise in computational intelligence has opened up new research ideas for solving chemical dynamic optimization problems, making the application of swarm-intelligence optimization techniques more and more widespread. Howev...

(This article belongs to the Topic Soft Computing)
  • Feature Paper
  • Article
  • Open Access
21 Citations
4,287 Views
12 Pages

Risk-Constrained Optimal Chiller Loading Strategy Using Information Gap Decision Theory

  • Er Shi,
  • Farkhondeh Jabari,
  • Amjad Anvari-Moghaddam,
  • Mousa Mohammadpourfard and
  • Behnam Mohammadi-ivatloo

10 May 2019

This paper presents a novel framework for economic cooling load dispatch in conventional water-cooled chillers. Moreover, information gap decision theory (IGDT) is applied to the optimal chiller loading (OCL) problem to find the optimum operating poi...

(This article belongs to the Special Issue Sustainable Energy Systems Planning, Integration and Management)
  • Article
  • Open Access
9 Citations
3,733 Views
21 Pages

4 October 2023

Disaster logistics management is vital in planning and organizing humanitarian assistance distribution. The planning problem faces challenges, such as coordinating the allocation and distribution of essential resources while considering the severity...

  • Article
  • Open Access
39 Citations
7,267 Views
14 Pages

Optimal Route Planning for Truck–Drone Delivery Using Variable Neighborhood Tabu Search Algorithm

  • Bao Tong,
  • Jianwei Wang,
  • Xue Wang,
  • Feihao Zhou and ,
  • Xinhua Mao and
  • Wenlong Zheng
  • + 1 author+ 0 author

5 January 2022

The optimal delivery route problem for truck–drone delivery is defined as a traveling salesman problem with drone (TSP-D), which has been studied in a wide range of previous literature. However, most of the existing studies ignore truck waiting...

(This article belongs to the Special Issue Advances in Capacitated Vehicle Routing Problem—Models, Methods, Applications and New Challenges)
  • Article
  • Open Access
37 Citations
6,736 Views
31 Pages

Electric Vehicle Charging Station Location-Routing Problem with Time Windows and Resource Sharing

  • Yong Wang,
  • Jingxin Zhou,
  • Yaoyao Sun,
  • Xiuwen Wang and ,
  • Jiayi Zhe and
  • Haizhong Wang
  • + 1 author+ 0 author

17 September 2022

Electric vehicles (EVs) are widely applied in logistics companies’ urban logistics distribution, as fuel prices increase and environmental awareness grows. This study introduces an EV charging station (CS) location-routing problem with time win...

(This article belongs to the Section Sustainable Transportation)
  • Article
  • Open Access
3 Citations
1,795 Views
16 Pages

14 July 2023

In real-life scenarios, there are many mathematical tools to handle incomplete and imprecise data. One of them is the fuzzy approach. The main issue with addressing nonlinear interval programming (NIP) problems is that the optimal solution to the pro...

  • Article
  • Open Access
8 Citations
3,979 Views
18 Pages

23 December 2022

Preventive maintenance (PM) is a maintenance program with activities created at a determined interval or according to certain principles, designed to reduce the likelihood of failure or deterioration of item performance. This aims to improve overall...

(This article belongs to the Section Sustainable Management)
  • Article
  • Open Access
1,482 Views
21 Pages

9 December 2024

This paper analyses the solution of a specific quadratic sub-problem, along with its possible applications, within both constrained and unconstrained Nonlinear Programming frameworks. We give evidence that this sub–problem may appear in a numbe...

(This article belongs to the Special Issue Numerical Optimization and Algorithms: 2nd Edition)
  • Article
  • Open Access
8 Citations
5,150 Views
18 Pages

11 October 2021

The paper presents the Generalized Benders Decomposition (GBD) method, which is now one of the basic approaches to solve big mixed-integer nonlinear optimization problems. It concentrates on the basic formulation with convex objectives and constraint...

(This article belongs to the Special Issue Mixed-Integer Linear and Nonlinear Programming Methods for Energy Aware Traffic Control in Stationary Networks and Clouds)
  • Article
  • Open Access
1 Citations
2,856 Views
20 Pages

Properties of the Quadratic Transformation of Dual Variables

  • Vladimir Krutikov,
  • Elena Tovbis,
  • Anatoly Bykov,
  • Predrag Stanimirovic and ,
  • Ekaterina Chernova and
  • Lev Kazakovtsev
  • + 1 author+ 0 author

7 March 2023

We investigate a solution of a convex programming problem with a strongly convex objective function based on the dual approach. A dual optimization problem has constraints on the positivity of variables. We study the methods and properties of transfo...

(This article belongs to the Collection Feature Papers in Algorithms)
  • Review
  • Open Access
7 Citations
4,320 Views
37 Pages

3 November 2023

In general, optimal motion planning can be performed both locally and globally. In such a planning, the choice in favor of either local or global planning technique mainly depends on whether the environmental conditions are dynamic or static. Hence,...

(This article belongs to the Special Issue UAV Positioning: From Ground to Sky)
  • Article
  • Open Access
3 Citations
5,331 Views
25 Pages

11 March 2019

This paper proposes a nonlinear control method for carrying out Minimum-time satellite attitude maneuver and antenna motion which have robustness against model uncertainty. In recent years, small Earth observation satellites have been utilized and ex...

  • Article
  • Open Access
2,703 Views
21 Pages

Source Identification of a Chemical Incident in an Urban Area

  • Francisco J. Fernández and
  • Miguel E. Vázquez-Méndez

3 August 2021

This work deals aims to present a methodology for source identification of chemical incidents in urban areas. We propose an approximation of the problem within the framework of the optimal control theory and we provide an algorithm for its numerical...

(This article belongs to the Section Mathematical Analysis)
  • Article
  • Open Access
4 Citations
3,792 Views
11 Pages

1 January 2023

A moving window decision-making algorithm is proposed for the cleaning schedule optimization of heat exchanger network system subject to fouling in refinery crude preheat train. This algorithm is designed by incorporating the moving window scheme int...

(This article belongs to the Special Issue Heat Transfer Reinforcement Techniques in Heat Exchangers)
  • Article
  • Open Access
3 Citations
1,075 Views
19 Pages

A Decision-Support Model for Holistic Energy-Sustainable Fleet Transition

  • Antoni Korcyl,
  • Katarzyna Gdowska and
  • Roger Książek

20 December 2025

The transition toward sustainable transport systems requires decision-support tools that help organizations navigate strategic choices under environmental, economic, and operational constraints. This study introduces the Holistic Multi-Period Fleet P...

(This article belongs to the Special Issue Decision-Making in Sustainable Management)
  • Article
  • Open Access
3 Citations
4,894 Views
37 Pages

18 August 2024

Material handling is a widely used process in manufacturing and is generally considered a non-value-added process. The Dynamic Facility Layout Problem (DFLP) considered in this paper minimizes the total material handling and re-arrangement cost. In t...

(This article belongs to the Special Issue Advanced Applications of Mathematical Modeling and Optimization in Logistics and Manufacturing)
  • Article
  • Open Access
2 Citations
4,274 Views
28 Pages

The Road Network Design Problem for the Deployment of Automated Vehicles (RNDP-AVs): A Nonlinear Programming Mathematical Model

  • Lígia Conceição,
  • Gonçalo Homem de Almeida Correia,
  • Bart van Arem and
  • José Pedro Tavares

Once trusted, automated vehicles (AVs) will gradually appear in urban areas. Such a transition is an opportunity in transport planning to control undesired impacts and possibly mitigate congestion at a time when both conventional vehicles (CVs) and A...

  • Article
  • Open Access
7 Citations
2,234 Views
16 Pages

12 June 2024

As one of the main industrial segments of the current geoeconomics scenario, agro-industrial activities generate excessive amounts of waste. The gasification of such waste using supercritical water (SCWG) has the potential to convert the waste and ge...

(This article belongs to the Special Issue Sustainable and Green Technologies for Industrial Chemical Engineering)
  • Article
  • Open Access
4 Citations
2,326 Views
25 Pages

This article presents two novel mixed-integer nonlinear programming (MINLP) formulations in the complex variable domain to address the optimal phase-balancing problem in asymmetric three-phase distribution networks. The first employs a matrix-based l...

(This article belongs to the Special Issue Advances in Operation, Optimization, and Control of Smart Grids)
  • Article
  • Open Access
7 Citations
2,357 Views
29 Pages

In this paper, the Fischer–Burmeister active-set trust-region (FBACTR) algorithm is introduced to solve the nonlinear bilevel programming problems. In FBACTR algorithm, a Karush–Kuhn–Tucker (KKT) condition is used with the Fischer&n...

(This article belongs to the Section Numerical and Computational Methods)
  • Article
  • Open Access
5 Citations
7,277 Views
17 Pages

11 March 2015

A system is differentially flat if it is Lie–Bäcklund (L-B) equivalent to a free dynamical system that has dimensions equal to that of the input of the original system. Utilizing this equivalence, the problem of nonlinear model predictive control of...

(This article belongs to the Special Issue Process Control: Current Trends and Future Challenges)
  • Article
  • Open Access
43 Citations
4,177 Views
21 Pages

19 September 2019

In this paper, we propose a new global optimization algorithm, which can better solve a class of linear fractional programming problems on a large scale. First, the original problem is equivalent to a nonlinear programming problem: It introduces p au...

(This article belongs to the Special Issue Fixed Point, Optimization, and Applications)
  • Article
  • Open Access
4 Citations
1,961 Views
16 Pages

4 August 2022

In this paper, we obtain characterizations of solution sets of the interval-valued mathematical programming problems with switching constraints. Stationary conditions which are weaker than the standard Karush–Kuhn–Tucker conditions need t...

(This article belongs to the Special Issue Variational Problems and Applications)
  • Article
  • Open Access
12 Citations
3,253 Views
19 Pages

An MI-SDP Model for Optimal Location and Sizing of Distributed Generators in DC Grids That Guarantees the Global Optimum

  • Walter Gil-González,
  • Alexander Molina-Cabrera,
  • Oscar Danilo Montoya and
  • Luis Fernando Grisales-Noreña

30 October 2020

This paper deals with a classical problem in power system analysis regarding the optimal location and sizing of distributed generators (DGs) in direct current (DC) distribution networks using the mathematical optimization. This optimization problem i...

(This article belongs to the Special Issue Resilient and Sustainable Distributed Energy Systems)
  • Article
  • Open Access
737 Views
21 Pages

Day-Ahead Coordinated Reactive Power Optimization Dispatching Based on Semidefinite Programming

  • Binbin Xu,
  • Mengqi Liu,
  • Yilin Zhong,
  • Peijie Cong and ,
  • Bo Zhu,
  • Tao Liu,
  • Yujun Li and
  • Zhengchun Du
  • + 3 authors+ 0 author

17 October 2025

With access to new energy sources, the problem of reactive power optimization and dispatching has become increasingly important for research. However, the reactive power optimization problem is a mixed integer nonlinear optimization problem. In order...

  • Article
  • Open Access
7 Citations
5,565 Views
17 Pages

Due to the huge amount of redundant data, the problem arises of finding a single integral solution that will satisfy numerous possible accuracy options. Mathematical processing of such measurements by traditional geodetic methods can take significant...

(This article belongs to the Section Computational Engineering)
  • Article
  • Open Access
5 Citations
1,948 Views
16 Pages

13 October 2022

An efficient algorithm based on the wavelet collocation method is introduced in order to solve nonlinear fractional optimal control problems (FOCPs) with inequality constraints. By using the interpolation properties of Hermite cubic spline functions,...

(This article belongs to the Section E: Applied Mathematics)
  • Review
  • Open Access
27 Citations
7,489 Views
26 Pages

Modeling and Solution Techniques Used for Hydro Generation Scheduling

  • Iram Parvez,
  • Jianjian Shen,
  • Mehran Khan and
  • Chuntian Cheng

6 July 2019

The hydro generation scheduling problem has a unit commitment sub-problem which deals with start-up/shut-down costs related hydropower units. Hydro power is the only renewable energy source for many countries, so there is a need to find better method...

(This article belongs to the Section Hydraulics and Hydrodynamics)
  • Article
  • Open Access
4 Citations
6,497 Views
23 Pages

We devise a simple yet highly effective technique for solving general optimal control problems in Excel spreadsheets. The technique exploits Excel’s native nonlinear programming (NLP) Solver Command, in conjunction with two calculus worksheet functio...

(This article belongs to the Special Issue Optimization in Control Applications)
  • Article
  • Open Access
9 Citations
5,161 Views
15 Pages

9 January 2022

Techniques and methods of linear optimization underwent a significant improvement in the 20th century which led to the development of reliable mixed integer linear programming (MILP) solvers. It would be useful if these solvers could handle mixed int...

(This article belongs to the Special Issue Development and Optimization of Mathematical Models for Operations Research)

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