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2011 IEEE/WIC/ACM International Conference on Intelligent Agent Technology, IAT 2011

作者： Signoretti, Alberto Feitosa, Antonino Campos, Andre M. Canuto, Anne M. Xavier-Junior, João C. Fialho, Sergio V. Computer Science Dept. - di UERN Natal-RN Brazil Computer Science and Applied Mathematics Dept.- DIMAp UFRN Natal-RN Brazil Automation and Computer Engineering Dept. - DCA UFRN Natal-RN Brazil

ISBN: (纸本)9780769545134

Simulations based on cognitively rich agents can become a very intensive computing task, especially when the simulated world represents a complex system. Those simulations can however benefit from optimizations coming from the way in which agents react to changes in the simulated environment. This paper presents an approach for improving the efficiency of the decision-making process of autonomous agents in a simulation. The optimization is reached by dynamically adapting the agent's perception to a bounded subset of all the agent's surrounding elements, which contains only the most important elements for the agent at the current time. In other words, the agent is modeled as having a dynamic focus of attention. © 2011 IEEE.

关键词： Autonomous agents

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Multivariate analysis of the influence of students' characteristics on academic performance 8

Multivariate analysis of the influence of students' characte...

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8th International Conference on Information Technology and Nanotechnology, ITNT 2022

作者： Pustovalova, Natalya Avdeenko, Tatiana Novosibirsk State Technical University Dept. Automation and Computer Engineering Novosibirsk Russia Novosibirsk State Technical University Dept. Applied Mathematics and Computer Science Novosibirsk Russia

ISBN: (数字)9781665485715

ISBN: (纸本)9781665485715

Modern universities, developing a digital environment, rely on a student-centric approach relevant to pedagogical and didactic practices. Personalization of the educational environment allows improving the quality of the educational process, raising it to a new level. This article presents the usage of multivariate modeling to identify common relationships and patterns between academic performance and psychometric characteristics. The study sample includes psychometric testing data of students from Novosibirsk State Technical University (NSTU), which determines cognitive, motivational and personal characteristics, and also data on their academic performance. The results obtained are further used for diagnostic and prognostic purposes to recommend educational content depending on the student's personality. © 2022 IEEE.

关键词： Students

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University's Educational Environment Personalization Based on the Ontological Models 23

University's Educational Environment Personalization Based o...

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23rd IEEE International Conference of Young Professionals in Electron Devices and Materials, EDM 2022

作者： Pustovalova, Natalya V. Avdeenko, Tatiana V. Pustovalova, Alexandra V. Novosibirsk State Technical University Dept. Automation and Computer Engineering Novosibirsk Russia Novosibirsk State Technical University Dept. Applied Mathematics and Computer Science Novosibirsk Russia

ISBN: (纸本)9781665498043

The paper presents a work in progress. Personalization of the educational environment allows improving the quality of the educational process, raising it to a new level. Our development is intended to diagnose and recommend educational content, depending on the students' personality. This article describes a system of ontological models (Learner Model, educational content model and cognitive functions model) designed to diagnose students' characteristics and the subsequent issuance of educational content, taking into account these characteristics. The learner model, implemented as a Protege ontology, is based not only on human professional experience but also on student testing results. This approach, based on the use of various IQ tests, allows reflecting in the ontology the dependencies identified due to linear regression methods, as well as other types of analysis. By this way we will reduce the dependence of the model on the human expert's personality and make it more objective. Using the Protege tools, we will combine three ontologies in the architecture of a personalized environment through rules and axioms. © 2022 IEEE.

关键词： Ontology

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Using Ontologies for the Development of the University Educational Ecosystem 22

Using Ontologies for the Development of the University Educa...

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22nd IEEE International Conference of Young Professionals in Electron Devices and Materials, EDM 2021

作者： Pustovalova, Natalya Avdeenko, Tatiana Pustovalova, Alexandra Novosibirsk State Technical University Dept. Automation and Computer Engineering Novosibirsk Russia Novosibirsk State Technical University Dept. Applied Mathematics and Computer Science Novosibirsk Russia

ISBN: (纸本)9781665414982

The paper considers the possibility of improving the educational ecosystem by using ontologies in the architecture of the university electronic information environment. Various types of actors of the modern educational ecosystem, interacting within the educational process with educational resources, are presented;their needs that are relevant for its development shortly are analyzed. This paper describes a general approach to using ontology as an element of the IT architecture of a university. Formalizing objects of the educational process in the form of ontology (OWL, RDF models) allows creating various applications for its intellectual support, ensuring the uniformity of architectural solutions and further evolutionary development of the university information environment based on the IEEE LOM and TinCanAPI standards. © 2021 IEEE.

关键词： Ontology

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Analysis of the Influence of Students' Identity on Academic Performance

Analysis of the Influence of Students' Identity on Academic ...

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2022 IEEE International Multi-Conference on engineering, computer and Information Sciences, SIBIRCON 2022

作者： Pustovalova, Natalya V. Avdeenko, Tatiana V. Novosibirsk State Techinal University Dept. Automation and Computer Engineering Novosibirsk Russia Novosibirsk State Techinal University Dept. Applied Mathematics and Computer Science Novosibirsk Russia

ISBN: (纸本)9781665464802

This paper presents the results of ongoing work. Today, personalization is one of the main trends in education. Universities collect and analyze data about the students' identity and their needs in order to develop specialized systems that support the personalization of the educational process. The purpose of the current work is to verify the applicability of the "Learner model"that was designed previously. This model is one of the main component of universities' intelligent learning system architecture. This model is based on the results of psychometric test. We increased the sample of students by including new observations and new predictors. Having performed preliminary data preparation, we obtained linear regression models. The results of psychometric tests were used as independent predictors (regressors). We tested students from the 2nd to 4th year of the Faculty of Applied Mathematics and Informatics. The dependent variable is the general ECTS score, as well as the average score for the groups of disciplines (mathematical, work-oriented, humanitarian). We compared the resulting models with those obtained using a smaller sample. In general, our conclusion was confirmed. © 2022 IEEE.

关键词： Students

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Honey Badger Algorithm for Adjustment of FOPID Controller Adopted in An Automatic Voltage Regulator System

Honey Badger Algorithm for Adjustment of FOPID Controller Ad...

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2022 IEEE Global Energy Conference, GEC 2022

作者： Can, Ozay Ekinci, Serdar Izci, Davut Recep Tayyip Erdogan University Dept. of Electronics and Automation Rize Turkey Batman University Department of Computer Engineering Batman Turkey Batman University Dept. of Electronics and Automation Batman Turkey

ISBN: (数字)9781665497510

ISBN: (纸本)9781665497510

Automatic voltage regulator (AVR) system is a main control process to keep the terminal voltage of generator in power systems between the determined values. In this study, the optimal tuning of a fractional order PID controller used in an AVR system is proposed by using the optimization technique called honey badger algorithm (HBA). The transient response analysis of the HBA-FOPID, HBA-PID, and HBA-PI controllers were obtained by using the integral time-weighted squared error (ITSE) as the objective function. Then, the performance of the HBA tuned FOPID controller was compared with the performances of other controllers. It has been demonstrated that the FOPID controller provides remarkable performance compared to other controllers in terms of overshoot and settling time of the AVR system. © 2022 IEEE.

关键词： Voltage regulators

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Modified feedback narrowband active noise control with online secondary-path modeling 24

Modified feedback narrowband active noise control with onlin...

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24th International Congress on Acoustics, ICA 2022

作者： Ma, Yaping Xiao, Yegui Ma, Liying Khorasani, Khashayar Dept. of Automation Jiangnan University China Dept. of Information and Management System Prefectural University of Hiroshima Japan Dept. of Electrical and Computer Engineering Concordia University Canada

Feedback narrowband active noise control (NANC, FBNANC) systems have been developed to suppress sinusoidal noise signals generated by rotating machines such as diesel engines, fans, etc. They do not require any reference sensor and can avoid the frequency mismatch and the acoustic feedback, as compared with the conventional feedforward NANC (FFNANC) systems. In this paper, a modified FBNANC system is proposed which contains three subsystems, namely: 1) a cascade pre-filtered and parallelly updated adaptive notch filter bank (CPANFB) that is included to synthesize the reference sinusoidal signals for the FBNANC controller, 2) an online secondary-path modeling (SPM, OSPM) subsystem that is introduced into the new system to track the secondary-path changes, and 3) a bandpass filter bank that is applied to the residual noise for separating the remaining sinusoids from other broadband noise components, with the former utilized to scale the auxiliary white Gaussian noise (AWGN) for the purpose of reducing its contribution to the residual noise. The three subsystems including the MPA (magnitude and phase adjuster) based controller are seamlessly integrated to work in harmony such that the whole FBNANC system enjoys nice advantages in both convergence and noise reduction performance (NRP). Extensive simulations are conducted to demonstrate and confirm the effectiveness of the proposed system. © ICA *** rights reserved

关键词： adaptive notch filter bank (ANFB) Feedback narrowband active noise control (FBNANC) magnitude noise reduction performance (NRP) online secondary-path modeling (OSPM) phase adjuster (MPA)

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The Architecture of Intelligent Agent-based Educational System for Training Students in a Technical University 5

The Architecture of Intelligent Agent-based Educational Syst...

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5th International Conference on Information Technologies in engineering Education, Inforino 2020

作者： Shvetsov, Anatoly Rzheutskaya, Svetlana Sergushicheva, Anna Sukonschikov, Alexey Andrianov, Igor Kochkin, Dmitry Vologda State University Dept. of Information Systems and Technologies Vologda Russia Vologda State University Dept. of Automation and Computer Engineering Vologda Russia

ISBN: (纸本)9781728148106

The article presents the development, implementation and approbation of a multi-level architecture of the intelligent agent-based educational system for training of technical specialists. The proposed architecture combines openness, flexibility and good scalability. This article shows how these quality indicators were achieved through a combination of multi-agent and service-oriented approaches. It describes the purpose and components of each level, presents some key aspects of the implementation and shows the results of pedagogical experiments. © 2020 IEEE.

关键词： Intelligent agents

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Multi-Frequency State-Feedback Current Control for Active Power Filters

Multi-Frequency State-Feedback Current Control for Active Po...

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2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024

作者： Sánchez, Lidia Reigosa, David Nurminen, Tuure Mourouvin, Rayane Hinkkanen, Marko Briz, Fernando University of Oviedo Dept. of Elect. Computer & System Engineering Gijón33204 Spain Aalto University Dept. of Electrical Engineering and Automation Espoo02150 Finland

ISBN: (纸本)9798350376067

Feedback-based methods combining proportional-integral and/or resonant controllers are the most common option for Active Power Filter (APF) control. Alternatively to classical feedback-based control, state-feedback current control could be used, potentially enabling better dynamic performance. State-feedback current control has been previously proposed for grid-connected converters;however, reference tracking response of multiple harmonic components of the controlled current has not been reported. This is highly relevant to comply with grid codes. This paper analyses the design and implementation of state-feedback current control for harmonic current compensation in APFs. © 2024 IEEE.

关键词： Active filters

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Feature matching based on geometric constraints in weakly calibrated stereo views of curved scenes

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Journal of Systems engineering and Electronics 2008年第3期19卷 562-570页

作者： Bian Houqin Su Jianbo Dept. of Automation Shanghai Jiaotong Univ. Shanghai 200240 P. R. China School of Computer & Information Engineering Shanghai Univ. of Electric Power Shanghai 200090 P. R. China

The identification of the correspondences of points of views is an important task. A new feature matching algorithm for weakly calibrated stereo images of curved scenes is proposed, based on mere geometric constraints. After initial correspondences are built via the epipolar constraint, many point-to-point image mappings called homographies are set up to predict the matching position for feature points. To refine the predictions and reject false correspondences, four schemes are proposed. Extensive experiments on simulated data as well as on real images of scenes of variant dept.s show that the proposed method is effective and robust.

关键词： feature correspondence,epipolar geometry fundamental matrix homography.

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