Journal of Control, Automation and Electrical Systems

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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
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
Development of Optimal Feature Selection and Deep Learning Toward Hungry Stomach Detection Using Audio Signals
Journal of Control, Automation and Electrical Systems - Tập 32 - Trang 853-874 - 2021
A. Maria, A. Sengol Jeyaseelan
The process of transmitting signals to the body regarding the hungry stomach is referred to as the migrating motor complex (MMC) process. The intestines and stomach are considered for sensing the unavailability of food in the body. Hence, the receptors present in the stomach wall generate the electrical activity waves and activate the hunger. In general, audio signal processing algorithms include ...... hiện toàn bộ
Control Design of Single-Phase T-Type Inverters for PV Residential Applications: A Practical Approach
Journal of Control, Automation and Electrical Systems - Tập 34 - Trang 624-636 - 2023
Manh Linh Nguyen, Phuong Vu
In this research, a practical solution is proposed to enhance the performance of the single-phase DC/AC converter, which is usually used as an interface between the renewable energy source and the power grid in residential applications. In order to meet the strict requirements of the grid code, various solutions have been applied. In detail, the multilevel T-type topology is employed to further re...... hiện toàn bộ
A New Definition of Voltage Unbalance Using Supply Phase Shift
Journal of Control, Automation and Electrical Systems - Tập 31 - Trang 718-725 - 2020
Aderibigbe Israel Adekitan
Studies on voltage unbalance have revealed its detrimental effects on the operation of three-phase induction motors (TPIM) due to the production of negative-sequence current and torque. Voltage unbalance has been defined in different ways over the years, and each of these definitions is limited in scope in one form or the order, e.g. the neglect or inadequate consideration of the phase angle of th...... hiện toàn bộ
Anomaly Detection on Public Streets Using Spatial Features and a Bidirectional Sequential Classifier
Journal of Control, Automation and Electrical Systems - Tập 33 - Trang 156-166 - 2021
Fábio R. O. Bento, Raquel F. Vassallo, Jorge L. A. Samatelo
The anomaly detection problem consists in identifying the events that do not conform to an expected behavior pattern. In law enforcement and security, detection of anomalous events has application in the identification of suspicious behaviors. This paper addresses such problem in public areas by monitoring surveillance videos. Our approach involves a convolutional neural network for spatial featur...... hiện toàn bộ
An Adaptive Genetic Algorithm for Production Scheduling on Manufacturing Systems with Simultaneous Use of Machines and AGVs
Journal of Control, Automation and Electrical Systems - Tập 26 - Trang 225-234 - 2015
Danilo Sipoli Sanches, Josimar da Silva Rocha, Marcelo Favoretto Castoldi, Orides Morandin, Edilson Reis Rodrigues Kato
The problem of production scheduling of manufacturing systems involves the system modeling task and the application of a technique to solve it. This kind of scheduling is characterized by the large number of possible solutions, where several researches have been using the genetic algorithms as a search method to solve this problem, since these algorithms have the capacity of globally exploring the...... hiện toàn bộ
A Data-Driven Online Multimodal Identification Method for Industrial Processes Based on Complex Network
Journal of Control, Automation and Electrical Systems - Tập 34 - Trang 276-288 - 2022
LuLu Dong, Qiang Zhao, Libin Chen, Yinghua Han
With the increasing complexity of industrial processes, many practical industrial processes have multimodal characteristics to meet production requirements. In addition to stable modes with different operating points, transition modes are also generated when mode switching occurs. To monitor the running state of the process in real-time, it is necessary to carry out online multimodal identificatio...... hiện toàn bộ
N-Step-Ahead Optimal Control of a Compartmental Model of COVID-19
Journal of Control, Automation and Electrical Systems - Tập 34 - Trang 455-469 - 2023
Douglas Martins, Amit Bhaya, Fernando Pazos
This paper uses a compartmental model that accounts for some of the main features of the COVID-19 pandemic. Assuming a control that represents the aggregated intensity of non pharmaceutical interventions, such as lockdown in varying degrees and the use of masks and social distancing, this text proposes an N-step-ahead optimal control (NSAOC) method that is easy to calculate and provides a guidelin...... hiện toàn bộ
Proposal for a New Structural and Electrical Crossarm Standard for 15 kV Distribution Networks
Journal of Control, Automation and Electrical Systems - Tập 25 - Trang 516-526 - 2014
Etienne Biasotto, Mário Oleskovicz, Denis Vinicius Coury, Cláudio José dos Santos
This paper presents a straightforward analysis of the electric field concentration concerning a distribution structure (crossarm, “N1” type), using pin type ceramic insulators, 15 kV. The main objective of this analysis is to reduce the amount of wood used in these structures. For this purpose, two software packages were used: alternative transients program and Flux 3D. The first was used to analy...... hiện toàn bộ
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