Results 21 to 30 of about 241,560 (260)

Forecasting daily river flow using an artificial flora–support vector machine hybrid modeling approach (case study: Karkheh Catchment, Iran) [PDF]

open access: yesEnvironmental Resources Research, 2020
In this study, a hybrid support vector machine–artificial flora algorithm method was developed to estimate the flow rate of Karkheh Catchment rivers using daily discharge statistics.
R. Dehghani   +3 more
doaj   +2 more sources

Motor speed control system design considering a trade-off between response speed and noise reduction

open access: yesNihon Kikai Gakkai ronbunshu, 2016
This paper proposes an automatic tuning method for a motor speed control system. Parameters of a PI controller and a low-pass filter (LPF) for motor speed signal are automatically derived satisfying required specifications of a time constant of step ...
Kazuto YOKOYAMA, Masahiro IEZAWA
doaj   +1 more source

Tracking Control of High Order Input Reference Using Integrals State Feedback and Coefficient Diagram Method Tuning

open access: yesIEEE Access, 2020
The purpose of the research is tracking control to follow the input reference signal such as step, ramp, parabolic, and high order reference stably. The challenge is rising when high order input references, such as parabolic or polynomial, are used in ...
Alfian Ma'Arif   +3 more
doaj   +1 more source

A novel computational technique using coefficient diagram method for load frequency control in an interconnected power system

open access: yesJournal of Electrical Systems and Information Technology, 2022
This paper proposes a novel load frequency control (LFC) approach formulated on an optimal structure of the coefficient diagram method (CDM) in a two-area thermal power system. As part of a realistic analysis, nonlinearities related to governor dead band
Jalal Heidary, Hassan Rastegar
doaj   +1 more source

Bifurcation Analysis and Single Traveling Wave Solutions of the Variable-Coefficient Davey–Stewartson System

open access: yesDiscrete Dynamics in Nature and Society, 2022
This paper mainly studies the bifurcation and single traveling wave solutions of the variable-coefficient Davey–Stewartson system. By employing the traveling wave transformation, the variable-coefficient Davey–Stewartson system is reduced to two ...
Tianyong Han, Jiajin Wen, Zhao Li
doaj   +1 more source

Robust Control of Heat Exchangers

open access: yesChemical Engineering Transactions, 2012
This work deals with the design and application of a neuro-fuzzy controller to a heat exchanger and with possibilities to use the coefficient diagram method for heat exchanger control. The heat exchanger is a tubular one and it is used for pre-heating of
A. Vasickaninová, M. Bakošová
doaj   +1 more source

ANALYSIS OF NONLINEAR DYNAMIC CHARACTERISTICS OF AN IMPACT-UNBALANCED SUSPENDED ROTOR SYSTEM

open access: yesJixie qiangdu, 2022
Established an impact-unbalanced suspended rotor system mechanics models, and the dimensionless motion equation of system is deduced, using the fourth order Runge-Kutta method for the numerical calculation of this model, the integrated use of bifurcation
LIU JunJie   +4 more
doaj  

Design and Implementation of Demand Side Response Based on Binomial Distribution

open access: yesEnergies, 2022
The application of microgrids (MG) is more and more extensive, therefore it is important to improve the system management method of microgrids. The intended costs can be further minimized when the energy management system is unified with demand side ...
Ming Li, Jin Ye
doaj   +1 more source

ENERGY STORAGE DEVICE OPTIMIZATION IN PERIPHERY-TYPE DOCKING ASSEMBLY [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2020
The paper considers selection of parameters of the spacecraft periphery-type docking assembly. The kinematic scheme of its docking mechanism is based on the Gough-Stewart platform. Constructive implementation of its linear elements in operation is called
Yaroslav V. Rasskazov   +1 more
doaj   +1 more source

An information entropy-based risk assessment method for multiple-media gathering pipelines

open access: yesJournal of Infrastructure Preservation and Resilience, 2022
Unrefined and highly corrosive upstream petroleum resources and complex operating environments pose a significant threat to the integrity and safety of gathering pipelines.
Guojin Qin   +5 more
doaj   +1 more source

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