Journal of Control, Automation and Electrical Systems

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Modified Shuffled Frog Leaping Algorithm for Improved Pareto-Set Computation: Application to Product Transport in Pipeline Networks
Journal of Control, Automation and Electrical Systems - Tập 27 - Trang 43-59 - 2015
Fabiany Lamboia, Lúcia Valéria Ramos de Arruda, Flávio Neves
An efficiency improvement of product transport through pipeline networks can be obtained by a better allocation of available resources. That is a hard combinatorial problem with multi-objective optimization characteristics due to different types of products to be moved and the high occupance rate of the network. This paper presents a novel modified shuffled frog leaping algorithm, named modified s...... hiện toàn bộ
Model-Free Control for High Pressure in a Direct Injection System
Journal of Control, Automation and Electrical Systems - Tập 34 - Trang 689-699 - 2023
Amauri Dias Carvalho, Bruno Augusto Angélico, Armando Antônio Maria Laganá
This paper presents the application of an ultra-local model-free controller to control the high pressure in a direct injection fuel system, which has high nonlinearities and is subjected to disturbance due to fuel injections. A wide range of operating points is considered, making the controller tuning a difficult task. The main target is to select only one adjustment that meets the performance req...... hiện toàn bộ
Minimum-Time Trajectory Planning for a Differential Drive Mobile Robot Considering Non-slipping Constraints
Journal of Control, Automation and Electrical Systems - Tập 32 Số 1 - Trang 120-131 - 2021
Okuyama, I. F., Maximo, Marcos R. O. A., Afonso, Rubens J. M.
We propose a real-time minimum-time trajectory planning strategy with obstacle avoidance for a differential-drive mobile robot in the context of robot soccer. The method considers constraints important to maximize the system’s performance, such as the actuator limits and non-slipping conditions. We also present a novel friction model that regards the imbalance of normal forces on the wheels due to...... hiện toàn bộ
Demand Side Management Strategy for Distribution Networks Volt/Var Control: A FCS-Model Predictive Control Approach
Journal of Control, Automation and Electrical Systems - Tập 31 - Trang 1499-1507 - 2020
Rafael A. Fuhrmann, Raul V. A. Monteiro, Surya C. Dhulipala, Arturo Bretas
Due to the advent of distributed energy resources at distribution level, utility companies face new challenges in terms of voltage control. Existing works in the literature have proposed the use of demand side management (DSM) to provide ancillary services to the grid. Some works explored the use of thermal inertia of buildings to tackle the frequency regulation problem. Existing DSM strategies ig...... hiện toàn bộ
On-Line Classification of Excessive Neutral-to-Earth-Voltage (NTEV) Sources Using LabVIEW Software with Incorporating the Statistical-Based S-Transform and One-Versus-One SVM (OVO-SVM)
Journal of Control, Automation and Electrical Systems - Tập 31 - Trang 800-812 - 2020
Mohd Abdul Talib Mat Yusoh, Ahmad Farid Abidin, Zuhaila Mat Yasin
The excessive Neutral-to-Earth-Voltage (NTEV) could lead to the unnecessary losses and safety hazard issue to the electrical consumer. Hence, it is a paramount need to mitigate the excessive NTEV from occurring in the system. In order to mitigate the excessive NTEV, it is very crucial to identify the source of this problem so that the proper mitigation technique can be deployed. One of the identif...... hiện toàn bộ
A New Approach for Using Asset Management Integrated with Profibus PA Networks From Mobile Devices Through a Secure Channel
Journal of Control, Automation and Electrical Systems - Tập 26 - Trang 651-660 - 2015
Renato Santos Carrijo, Dennis Brandão
The use of modern field devices in the automation industry has gained increased importance, since these devices offer a great opportunity to integrate self-diagnosis into an asset management environment. The need for asset management occurs during plant operation, where it is carried out by means of fine tuning, calibration, maintenance and changes of configuration to avoid undesired downtimes. Fu...... hiện toàn bộ
On the Weighting of Control Signals in a Multi-robot System: A Formation-Based Analysis
Journal of Control, Automation and Electrical Systems - Tập 31 - Trang 1121-1131 - 2020
Valentim Ernandes-Neto, Gabriel V. Pacheco, Alexandre S. Brandão
This work presents a strategy to guide an n-robot convoy in a rigid virtual structure, split into $$n-2$$ triangular formations. Each set of three robots represents one formation, and transformation functions relate the robots’ position to the formation’s pose and shape, and vice versa. Each triangular formation has its own constructive sequence (clockwise or counterclockwise), which depends on...... hiện toàn bộ
Leader-Following Consensus of Multi-order Fractional Multi-agent Systems
Journal of Control, Automation and Electrical Systems - Tập 34 - Trang 530-540 - 2023
Mehdi Yahyapoor, Mohammad Tabatabaei
The current study investigates the leader-following consensus problem for fractional-order multi-agent systems with different fractional orders under a fixed undirected graph. A virtual leader with the desired path is assumed, while the agents are chosen as fractional-order integrators with various orders. It is proved that the leader-following consensus problem for this multi-agent system is equi...... hiện toàn bộ
Observability of Network Systems: A Critical Review of Recent Results
Journal of Control, Automation and Electrical Systems - - 2020
Arthur N. Montanari, Luís A. Aguirre
Application of Transient Slope of Zero and Pole in Bode Diagram in Automatic Identification of Filter Parameters
Journal of Control, Automation and Electrical Systems - Tập 33 - Trang 1840-1850 - 2022
Shiliang Zhao, Jianxin Liu, Yang Tan, Kun Qian
Filters have a wide range of applications in many fields. Engineers generally use signal sources to manually test the characteristics of filters under test. In this research, we propose a system that automatically recognizes the characteristics and parameters of the analog filter throughout the entire process. This paper presents the theoretical conclusion that the instantaneous slope contribution...... hiện toàn bộ
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