An Unconditionally Stable Difference Scheme for the Two-Dimensional Modified Fisher–Kolmogorov–Petrovsky–Piscounov Equation by Soobin Kwak, Seungyoon Kang, Seokjun Ham, Youngjin Hwang, Gyeonggyu Lee, Junseok Kim

“…The Fisher–KPP equation models the process of interaction between reaction and diffusion. The new solution algorithm is based on an alternating direction implicit (ADI) method and an interpolation method so that it is unconditionally stable. …”
Get full text

Drought Prediction Model of Pearl River Basin Based on SST and Machine Learning by FENG Xin, LIU Yanju, TONG Hongfu, QIAN Shuni

“…Sea surface temperature (SST) is one of the main factors for drought forecasting. Conventional forecasting models mainly use SST from fixed sea areas (e.g., ENSO), without searching for available SST signals from a global large-scale perspective. …”
Get full text

User-Independent Activity Recognition via Three-Stage GA-Based Feature Selection by Theresia Ratih Dewi Saputri, Adil Mehmood Khan, Seok-Won Lee

“…The proposed system uses simple time domain features with a single neural network and a three-stage genetic algorithm-based feature selection method for accurate user-independent activity recognition. …”
Get full text

Energy aware resource association in RIS assisted VLC-RF communication network. by Ashu Taneja, Ali Alqahtani, Nayef Alqahtani

“…This has put an undue burden on the radio frequency (RF) based communication which suffers from the main challenge of limited spectrum and access congestion. …”
Get full text

Numerical Study on Turbulent Forced Convection and Heat Transfer Characteristic in a Circular Tube with V-Orifice by Withada Jedsadaratanachai, Amnart Boonloi

“…The finite volume method and SIMPLE algorithm are selected to solve the present problem. …”
Get full text

Analytical design of the missile control device to intercept aerodynamic target by V. E. Markevich, V. V. Legkostup

“…Analytical expressions describing the algorithm of functioning of the device of joint estimation and control of the state of a multidimensional nonlinear multi-connected object are given.…”
Get full text

A Developed Mathematical Model for Designing a Multilevel Sustainable Supply Chain Network Taking into Account Environmental Decisions by Mehrab Paydarfard, Roya Pirzadeh, Ali Ahmadi, Masoud Zohrabi, Farkhondeh Mortaz Hejri, Malek Hasan

“…In addition, the proposed model was optimized by the whale optimization algorithm (WOA) to find the best solution in large-scale instances in a short and reasonable time. …”
Get full text

Event-based Controller Design for Networked Control Systems with Time-varying Random Delays by Beheshte Sadeghi Sabzevari, Mohammad Haddad Zarif, Seyed Kamal Hosseini Sani

“…The proposed controller switches between two main triggering schemes: event-triggered control scheme and self-triggered control scheme. …”
Get full text

Design of a Visual Communication System for Animated Characters in Virtual Reality Using Sobel Edge Detection and Motion Capture by Zhengyu Yang

“…The system uses the Hilditch algorithm for edge refining and the Sobel edge detection operator to increase the accuracy of edge data recognition. …”
Get full text

Design of the distributed control systems of hydrolithosphere processes by G. E. Veselov, M. I. Pershin

“…The method for determining the parameters of the approximation model is shown on the example of Arkhyz groundwater deposit. Main stages of the design of the systems under consideration are shown: the choice of the number of development wells; the construction of approximation models; adaptation of methods of synthesis of distributed control systems for the case of using the non-standard approximation models; the solution of the problem of synthesis of distributed control system of hydrolithosphere processes for a given deposit; the discrete form of the algorithm controlling the process; simulation of the closed-loop control system for the hydrolithosphere processes.…”
Get full text

Optimized design of sensing transmission and computing collaborative industrial Internet by Jingbo LI, Li MA, Yang LI, Yingxun FU, Dongchao MA

Get full text

Research on optimization of C4 repair operation of Harmony electric locomotive based on preventive maintenance. by Yihan Liu, Jieping Wu, Qiaoyu Wu

“…Harmonious High-Power AC Electric Locomotive, as the main type of locomotive for freight transport in China, the safety of its operation and maintenance issues have been the focus of great attention by the operation department. …”
Get full text

Sonography and mammogram in the diagnosis of mammary cancer developed because of the non-malignant proliferative changes by M. A. Tsesarsky, I. G. Frolova, D. G. Bukharin, N. Yu. Fomina, E. M. Slonimskaya, S. A. Velichko

“…The differentiation line of diagnostic criteries at fibroadenoma and carcinoma if defined and the diagnostic algorithm is worked out. The necessity to use sonography as the main method of examining women (younger than 50 years old) at mammary disease is discussed.…”
Get full text

Closed-Form Solutions to Differential Equations via Differential Evolution by L. Mex, Carlos A. Cruz-Villar, F. Peñuñuri

“…We focus on solving ordinary differential equations using the evolutionary algorithm known as differential evolution (DE). The main purpose is to obtain a closed-form solution to differential equations. …”
Get full text

Filtration of histogram evaluation of probability density based on fuzzy data accessibility to a grouping interval by A. V. Ausiannikau, V. M. Kozel

“…The histogram filter is a simple tool that can easily be built into any algorithm for constructing histogram estimates.…”
Get full text

Experimental Investigation on Impact of EGR Configuration on Exhaust Emissions in Optimized PCCI-DI Diesel Engine by Getachew Alemayehu, Ramesh Babu Nallamothu, Deresse Firew, Rajendiran Gopal

“…The main objective of this work is to analyse the impact of different EGR configurations (no EGR, cold EGR, and hot EGR) on exhaust emissions of PCCI-DI engine. …”
Get full text

A method for classifying objects with a heterogeneous set of information features based on the generation of graph-chromatic maps by A.S. Bozhday, L.N. Gorshenin

“…Each element of the system is described in detail. An algorithm for generating a grapho-chromatic map is proposed. …”

Highly Accurate Numerical Method for Solving Fractional Differential Equations with Purely Integral Conditions by Hany M. Ahmed

“…The main goal of this paper is to present a new numerical algorithm for solving two models of one-dimensional fractional partial differential equations (FPDEs) subject to initial conditions (ICs) and integral boundary conditions (IBCs). …”
Get full text

Optimal Multi-Objective Design for Hybrid Renewable Energy System in Distribution System Considering Multi-Scenarios by Nguyen Nhat Tung

“…This paper presents an effective approach for determining optimal integration of renewable energy distributed generator (RE-DGs) of solar farms (SFs) and wind farms (WFs) in IEEE 69-node power distribution network (PDN) with target of minimizing (1) the single objective function of total active power loss and (2) multi-objective function including a) total active power loss, b) total reactive power loss, c) the voltage deviation and d) imported energy from the main power gird. Intelligent and adaptive meta-heuristic optimization algorithm called bonobo optimizer (BO) is introduced to address optimization problem considering the changing four seasons of winter, spring, summer and autumn from both generation and consumption. …”
Get full text

Highly accurate method for solving forced Duffing equations with integral boundary conditions by H. M. Ahmed

“…Abstract The main goal of this paper is to come up with a new numerical algorithm for solving a second-order forced Duffing equation (FDUE) with integral boundary conditions (IBCs). …”
Get full text