Electrical Engineering - Science topic

Transmission, Distribution and efficient use of Electric Power. Automation, robotics, and IoT based on technical-productive and social processes. Digital Transformation in the training and improvement of engineers. Electronics and telecommunications in the digital transformation of the society and the business sector.

Call for publications, Applied Energy, ELSEVIER Changes in technology, climate issues, and the need to replace fossil fuels with renewables are forcing a major energy sector restructuring. The widespread adoption of local energy communities enables the combined local generation of different energy vectors, including electricity, heat, cooling power...

Jogja Smart Province (JSP) is a framework for utilizing the information technology to seek a regional collaboration to help resolving some strategic issues or problems. In addition, JSP also encourages the development of potentials in the Special Region of Yogyakarta. Several digital applications have been developed to support JSP including mobile...

O processamento da língua falada depende de uma vasta gama de conhecimentos que inclui acústica, fonologia, fonética, linguística geral, semântica, sintaxe, pragmática, estruturas discursivas, entre outras. Para além disso, outros conhecimentos mais comuns à ciência da computação, à engenharia elétrica, à matemática e, até mesmo à psicologia, també...

Large Language Models (LLMs) have been gaining tremendous popularity since early 2023 with the release of the GPT-4 system. The new artificial intelligence methods have succeeded in many fields of activity, including education. This article analyses the applicability of LLMs in supporting the teaching of the "Electromagnetic Fields" course in Elect...

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] Ziad Sobih, American University Laboratories for Electrical Engineering (part 3), 2018.

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] M. Schetzen, Linear Time Invariant Systems, 2003.

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018.

The objective of the study was to determine if there is a significant correlation between collaborative learning and teaching performance. For this reason, research on collaborative learning was carried out to improve teaching performance in higher education. The type of research is applied, with the level of research being descriptive and correlat...

Virtual laboratory (VL) has become increasingly popular in Post-COVID-19 to support practical learning in the remote learning system. The use of VL was responded to by students with different attitudes. This study discusses the factors that influence the perception of Industrial Electrical Engineering (IEE) students in responding to the use of the...

This author represented a comprehensive literature review and the successful development of an automatic Arduino car which can detect objects, give warning and avoid collisions. The model car will run at full speed in regular situations, slow down when obstacle is found in 100cm and stops when obstacle is found in 20cm. The car continuously measure...

This paper proposes a new neural machine translation model of electrical engineering that combines a transformer with gated recurrent unit (GRU) networks. By fusing global information and memory information, the model effectively improves the performance of low-resource neural machine translation. Unlike traditional transformers, our proposed model...

This leaflet is constructed by my own handwritings while online teaching Electric Energy Systems Analysis I course at Faculty of Electrical Engineering, K. N. Toosi University of Technology in COVID lockdown period in Fall of 2021. The course includes the following main topics, each presented as an individual chapter: Chapter 1: An introduction to...

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] M. Schetzen, Linear Time Invariant Systems, 2003.

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] M. Schetzen, Linear Time Invariant Systems, 2003.

Pamulang University is located in the South Tangerang area consisting of three buildings and 6 faculties and 5 of them are engineering faculties. Currently implementing Solar Panels is being carried out by the Faculty of Electrical Engineering, namely the application of new renewable energy sources. Installation of a solar power plant with a capaci...

The purpose of this study is to investigate how effective the repetition drill technique is in improving the speaking ability of the 2022–2023 Second Semester Electrical Engineering students at Cilacap State Polytechnic. The study was conducted using a classroom action research technique, and 23 students participated as study participants. A pretes...

This study examines the various ways that fractional Laplace transform can be used to solve three different kinds of mathematical equations: the equation of analysis of electric circuits, simultaneous differential equations, and the heat conduction equation. This article how to use the fractional Laplace transform to calculate heat flow in semi-inf...

The prolongation of the online education period is a significant challenge nowadays in Ukraine. Due to the ongoing war in Ukraine, educational institutions have been destroyed, leading to a significant movement of students both within the country and abroad. Consequently, the quality of educational services has suffered, particularly in technical s...

This study investigated the performance of individual students toward the knowledge profile and cumulative grade point average or known as CGPA. The proposal of this paper involves two major components. The first component is investigating the individual student performance based on the knowledge profile and CGPA. The performance of students from c...

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] Ziad Sobih, American University Laboratories for Electrical Engineering (part 3), 2018.

Mostra de Banners ENGEMAT foi uma exposição de trabalhos que contou com a utilização de estratégias inovadoras para o ensino da matemática através de banners. Teve sua 1ª Edição realizada no dia 07 de julho de 2023 nas dependências da Escola Superior de Tecnologia da Universidade Estadual do Amazonas com os discentes de Engenharia Elétrica e Engenh...

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] Ziad Sobih, American University Laboratories for Electrical Engineering (part 3), 2018.

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] Ziad Sobih, American University Laboratories for Electrical Engineering (part 3), 2018.

Research has shown that neural machine translation performs poorly on low-resource and specific domain parallel corpora. In this paper, we focus on the problem of neural machine translation in the field of electrical engineering. To address the mistranslation caused by the Transformer model’s limited ability to extract feature information from cert...

The purpose of this postdoctoral fellowship is to conduct research and develop a highly efficient hybrid photovoltaic thermal system to utilize the same aperture area for both power and heat production. The key performance areas include: • Develop novel models for solar photovoltaic thermal (PVT) system, particularly back-of-module water capillary...

The Advanced Power Systems Planning Training by Tonex is a comprehensive program designed to equip professionals in the energy sector with advanced knowledge and skills in power systems planning. This intensive course delves into the intricacies of modern power systems, providing participants with the tools and techniques necessary to plan, design,...

LISA Laboratory from National School of Applied Sciences Berrechid, Hassan 1st University Settat, Morocco will hold a workshop on Applied Sciences on 8 November 2023. Researchers, practitioners, and professors are invited to present and discuss the most recent innovations, trends, experiences and concerns in: · Fundamental Sciences · Computers Scie...

Das Projekt „100 Betriebe für Ressourceneffizienz“ wurde von der Allianz für mehr Ressourceneffizienz zwischen den führenden Wirtschaftsverbänden des Landes Baden-Württemberg und der Landesregierung initiiert. Zu der Allianz gehören das Ministerium für Umwelt, Klima und Energiewirtschaft Baden-Württemberg, der Verband Unternehmer Baden-Württemberg...

Diese Arbeit bringt die abstrakte Elektrotechnik mit den abstrakten Definitionen und abstrakten Feldern in eine natürliche und erklärbare Realität. Bisher unentdeckte Grundlagen der Elektrizität werden aufgedeckt. Die Elementarladung wird mithilfe der Grundeinheiten Meter, Kilogramm und Sekunde definiert, was als Konsequenz die Eliminierung einer S...

A mediados de junio de este año se difundió un borrador del artículo, Exploring the MIT Mathematics and EECS Curriculum Using Large Language Models, que reportaba resultados de un estudio donde se aseguraba que con el uso de la aplicación ChatGPT (Chat Generative Pre-Trained Transformer) se podía concluir de manera exitosa las carreras de matemátic...

Resumo: Nos últimos anos a educação do Brasil em alguns parâmetros obteve expressivo desenvolvimento em escala mundial. Nesse sentido, os estudos de novas ferramentas educacionais atreladas às tecnologias que visem o fomento ao conhecimento de forma técnica, lúdica e consistente tornam-se incessantemente necessários. A feira de ciências e inovação...

BSc. (Civil, Mechanical, Electrical) Engineering Students

Digitale Elemente langfristig in bestehende Lehrveranstaltungen zu integrieren bedarf einer engen Zusammenarbeit aller Beteiligten in Bezug auf didaktische Zielsetzung, technische Aufbereitung und praktische Umsetzung. Die transparente Gestaltung und agile Durchführung dieses Prozesses sind dabei grundlegend für die passgenaue Einbindung neuer Blen...

Classifying Power Quality Disturbances (PQDs) must be a top priority for end users in order to improve the power quality (PQ). An S-transform (ST) based Support Vector Machine (SVM) classifier for PQD classification in emerging power systems is presented in this paper. For feature extraction, the PQDs classification techniques use S transform, a fr...

This study examined the level of awareness, perception, and utilization of virtual laboratories in Nigerian Universities by Electrical Engineering lecturers. The study was guided by three specific objectives and three survey research types. One hundred twenty-one lecturers in electrical engineering from 8 universities in Nigeria's Northeast compris...

Solar energy generated by photovoltaic (PV) technology can be supplied to standalone systems, as it combines efficiency and cost-effectiveness. However, this combination is achieved only after considering the effects of shading, which can significantly influence electrical output. The primary factor that influences the use of solar energy in electr...

italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">Contribution: This article analyzes the elements that determine entrepreneurial intention (EI) in electrical and computer engineering students of a private university in Ecuador. Background: There is a lack of studies examining the EIs of university...

Solar energy generated by photovoltaic (PV) technology can be supplied to standalone systems, as it combines efficiency and cost-effectiveness. However, this combination is achieved only after considering the effects of shading, which can significantly influence electrical output. The primary factor that influences the use of solar energy in electr...

Substations play a key role in transmitting electricity from power plants to consumers. The electrical equipment in the substation has an extremely high voltage from 110KV to 500KV, so it is dangerous if the operator directly controls or stands near the electrical equipment. To ensure the safety of electrical system operators, these electrical devi...

A collection of solved Physics admission exams at the Faculty of Electrical Engineering, University of Belgrade (2003-2023) -- in Serbian.

The purpose of this study was to determine the effectiveness of using Virtual Reality-Based virtual laboratories on student learning outcomes in the Internet of Things Course in the Electrical Engineering Study Program, the average difference in student learning outcomes through the use of Virtual Reality-Based virtual laboratories in the Internet...

ZUSAMMENFASSUNG: Das Lehramt für die beruflichen Fachrichtungen Metalltechnik und Elektrotechnik (MET-EL) ist ein Aufsteigerfach mit hohen Abbruchquoten und nicht bedarfsdeckenden Absolvierendenzahlen. Mit den deutschlandweiten Daten der KOAB-Absolventenstudie geben wir einen umfassenden Überblick über die Soziodemographie der MET-EL Absolvierenden...

A educação superior constitui um dos meios para atingir o desenvolvimento pessoal, profissional e social numa sociedade. No Brasil, onde apenas 18,1% dos jovens cursam o ensino superior, os desafios são ainda maiores na educação para as Engenharias, Ciência e Matemática. Apesar da crescente participação feminina nas universidades brasileiras e no m...

Skor pengujian usabilitas pada website Sistem Informasi Teknik Elektro Universitas Negeri Gorontalo yang diuji dengan metode System Usability Scale (SUS) hanya berada pada skor 57,5. Pada kategori Acceptability Range berada pada tingkat marginal, sedangkan pada kategori Adjective Ratings berada pada tingkat OK, dan kategori Grade Scale pada skala D...

Se encuestó a 40 estudiantes de las carreras de Ingeniería Eléctrica, Electrónica y Mecatrónica del Tecnológico Nacional de México/Instituto Tecnológico de San Luis Potosí, obteniendo 37 respuestas para identificar si se reconocen como emprendedores. Se analizaron datos y relaciones en los factores de origen social y personal en diferentes dimensio...

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] Ziad Sobih, American University Laboratories for Electrical Engineering (part 3), 2018.

A collection of solved Maths admission exams at the Faculty of Electrical Engineering, University of Belgrade (2001-2023) -- in Serbian.

Con origen en la ingeniería eléctrica, la teoría de redes utiliza conceptos que constituyen una de las bases de la denominada teoría matemática de sistemas. Actualmente, el análisis de sistemas físicos trasciende el clásico marco hamiltoniano, y para modelar y simular sistemas físicos complejos, los conceptos de la teoría de redes son imprescindibl...

At the beginning of the 21st century, environmental issues became leaders in all areas of human activity without competition. All other essential topics: health, food, energy, water, and air, are predominantly determined by environmental problems. Climate change is a result of excessive CO2 emissions due to the greenhouse effect, air pollution as a...

The graduate marketability aspect is one of the main issues discussed at the local Higher Education Institution (HEI) level, which is closely related to the country's economic performance and job market. Among the initiatives of the Ministry of Higher Education (KPT) is to carry out a program with the concept of skills training and professional cer...

Cheng holds a Ph.D. in mechanical engineering from the University of Georgia and has published numerous papers on topics such as computational design, geometric modeling, and engineering education. He is always seeking innovative approaches to fill knowledge gaps and to assist in solving complex design issues. He is currently working on several pro...

Due to the economic development of the country, the building materials industry is also quietly emerging, and electrical engineering and its automation science and technology are widely used. Due to the improvement of people's life, the demand for architectural design and electrical is getting higher and higher, therefore, the correct use of electr...

The number of job positions in the operational technologies (OT) communications domain of Cyber Physical Systems (CPS) organizations has been increasing worldwide in the last 5 years. There exists a skills gap in the current CPS workforce. That gap has reached a critical level, especially for skills in the communication domain of CPS organizations....

Este trabalho tem por objetivo discutir e compreender como se relacionam a compreensão em leitura e a compreensão de linguagem técnica no campo da Engenharia. Para tanto, são mobilizados dados coletados por meio de protocolos verbais de leitura, que intentam evidenciar informações acerca do processo de compreensão de textos por parte do participant...

Due to the lack of electric power generation in Iraq and as a step forward to adopting a sustainable campus of the Electrical Engineering Technical College (EETC), Middle Technical University, in Baghdad, Iraq, and the critical demand for energy in our institutions, particularly educational institutions, this pilot study was proposed. The study aim...

Article Time-Dependent Vehicle Speed Variation Based Global Path Planning for Intelligent Connected Vehicles Sihao Chen 1,2, Zhenfeng Wang 1,2, Zhengbai Liu 3, Xianyi Yang 1,2, and Heng Wang 1,2,* 1 College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China 2 Henan Provincial Cold Chain Information and...

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] Ziad Sobih, American University Laboratories for Electrical Engineering (part 3), 2018.

The Faculty of Electrical Engineering, within the framework of the IV International Scientific Convention of the UCLV is pleased to announce the 2nd. Call for the XX Eedition of the International Symposium on Electrical Engineering (SIE 2023), to be held from November 13 to 17, 2023 at the Hotel Grand Memories and others tourist destinations of Cay...

This study discusses the analysis of various variables affecting vocational students' intention to use a Virtual Laboratory (VL) in remote learning. Based on the Technology Acceptance Model (TAM), perceived ease of use (PEU), and perceived usefulness (PU) as exogenous variables. At the same time, attitudes towards VL (A) as an intervening variable....

Resumen Una de las premisas de la actual transformación curricular llevada a cabo en la carrera de Ingeniería Eléctrica de la Universidad Tecnológica de La Habana "José Antonio Echeverría", CUJAE, es que en la actividad académica esté presente el vínculo teoría-práctica, para de esta forma lograr que los estudiantes aprendan a aplicar los conocimie...

Center for Sustainable ICT-CESICT will promote interdisciplinary and intersectoral approaches to ensure that the development and evolution of ICT solutions is done in a sustainable manner. The center will in combination with our national and international partners play an important role in the achievement of a climate-neutral sustainable economy as...

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1), 2018. [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2), 2018. [3] Ziad Sobih, American University Laboratories for Electrical Engineering (part 3), 2018.

Call for book chapters/research papers for the edited book series "Futuristic Trends in Electrical Engineering". The aim of the book series is to bring together researchers from academia and industry to focus on recent technologies in the field of electrical engineering.

We curate a comprehensive dataset of 4,550 questions and solutions from problem sets, midterm exams, and final exams across all MIT Mathematics and Electrical Engineering and Computer Science (EECS) courses required for obtaining a degree. We evaluate the ability of large language models to fulfill the graduation requirements for any MIT major in M...

This study aims to examine the improvement of students' achievement with learning model of Competency-Based Module on the Course of Refrigeration and Air Conditioning Technique. The research was carried out in the D3 Study Program of Electrical Engineering, Engineering College of Yogyakarta State University. This research method is classroom action...

This study addressed an increasing need for collaborative skills for architecture graduates in the AEC (Architecture, Engineering, and Construction) industries and fill in the gap of studies in collaborative engagements in architecture schools where most of the studies had focused on the creative collaboration in the design process to increase coll...

The objective of the study was to determine if there is a significant correlation between the use of ICT tools and academic performance. For this reason, research on the use of ICT tools to improve academic performance in higher education was carried out. The type of research is applied, being the level of descriptive and correlational research. Th...

VR has shown positive growth in the world in recent years, which is mainly due to projects such as learning, games, entertainment and experiential activities. VR has changed the way of life of users, providing users with more interesting interactions and immersive experiences. This study aims to investigate students’ practical capabilities and lear...

L'article décrit les problèmes courants liés au travail en groupe lors de travaux pratiques en milieu universitaires d'une durée de deux heures, tels que la pression de temps, les différences de niveau d'expertise et les inégalités de participation. Pour surmonter ces difficultés, des stratégies telles que l'encouragement à la communication, la rép...

4th Electric Power and Renewable Energy Conference (EPREC-2023At: Department of Electrical Engineering, NIT Jamshedpur, India Abstract:- As the power grid evolves with the integration of renewable energy sources and advanced communication technologies, Transactive Energy Systems (TES) emerge as a vital solution for managing the energy transition. T...

Policies regarding the use of gadgets are very necessary at this time, especially during the COVID-19 pandemic, because at this time people inevitably have to be willing to learn and use technology such as gadgets / smartphones in order to meet their respective needs, studying, buying goods, reading news and other things, without a policy in the us...

O Seminário de Matemática e suas Aplicações se encontra em sua 5ª Edição, e com temas da disciplina de Cálculo 2, que estuda propriedades diferenciais e integrais de Curvas e Superfícies, trazendo uma gama de aplicações correlacionados com a Engenharia e Tecnologias. Nesta Edição, trabalhou-se com as turmas de 2° período dos cursos de: Engenharia N...

Las instituciones públicas en México por normatividad deben elaborar un instrumento de gestión a corto plazo Plan de Trabajo Anual, se describe un conjunto de actividades y presupuesto que tiene que ejercer cada área o departamento, está planeación se tiene que dar un seguimiento para dar un cumplimento a las metas y objetivos. Los beneficios princ...

During the pandemic of Corona Virus Disease 2019 (COVID-19) that hit Indonesia, all activities were very limited. Electrical Engineering Study Program of Universitas Kristen Maranatha was motivated to share knowledge especially in the field of science about "Basic Unity and Virtual Reality (VR)" to the public. This has been realized through communi...

Online learning is a new paradigm in the world of education. Not only theory in class but online learning is also carried out practical in classes. One example is in the Electronics Practicum course. However, effective online learning in practicum courses during the Covid-19 Pandemic has never been known, especially in the Electrical Engineering St...

span lang="EN-US">This research designs and implements an information system to manage web-based Semester Learning Plan using cloud computing technology, software, computers, and repositories as well as a serverless architecture. So far, the preparation of Semester Learning Plan in Department of Electrical Engineering UIN Sunan Gunung Djati Bandung...

The Vocational High School of the Indonesian Teachers Association (SMK PGRI) Amlapura is a vocational school at the upper middle level that has four majors namely, hospitality, catering, computer network and multimedia engineering. Located in Amlapura City, Karangasem Regency, Bali Province. Based on the vocational education that is carried out, al...

American University Laboratories for Electrical Engineering (part 1). [1] American University Laboratories for Electrical Engineering (part 2). [2] American University Laboratories for Electrical Engineering (part 3). [3]

Following is a recent conversation between Bing and a human(H) about Science Fiction and related issues. Images are amateur drawings I did some fifty years ago while studying Electrical Engineering. One of the courses was programming for the computer IBM 1130 and usually a task was to solve some complex mathematical equation. Commands in "Fortran I...

This work conducts a comprehensive exploration into the proficiency of OpenAI's ChatGPT-4 in sourcing scientific references within an array of research disciplines. Our in-depth analysis encompasses a wide scope of fields including Computer Science (CS), Mechanical Engineering (ME), Electrical Engineering (EE), Biomedical Engineering (BME), and Med...

Este documento apresenta uma abordagem para imersão inicial de alunos da educação básica em aplicações de engenharias elétricas, enfatizando a contextualização entre teoria e prática das disciplinas estudadas em sala de aula. Elabora-se um projeto de automação para irrigação de um jardim em uma ferramenta on-line de simulações de circuitos elétrico...

3th Belila hassen dept.of Electrical Engineering University of Larbi ben m'hidi Oum el bouaghi, ALGERIA hassen.belila@univ-oeb.dz Abstract-The quality of electrical power plays vital role in the utility systems and industry. The quality of the power tends to have a direct economic impact on consumers and suppliers. Growing consumer demands lead to...

Sulphur Hexafluoride (SF6) has served the electrical equipment industry for a long time due to its excellent arc quenching capability. Arc inception, stretching and quenching depend on several factors such as dielectric characteristics, flow-plasma interaction, turbulence and electromagnetic effects. In this work presented to the Institute of Elect...

American University Laboratories for Electrical Engineering (part 1) [1] American University Laboratories for Electrical Engineering (part 2) [2] American University Laboratories for Electrical Engineering (part 3) [3]

This paper investigates the impact of digital reading during educational disruption on science and engineering students’ learning experience. Before the pandemic, some studies explored whether university students preferred using printed or digital resources for their academic readings. Amidst the pandemic, online learning became essential. Several...

The article analyzes the possibilities of using acoustic technology for extinguishing flames from various sources. Advantages as well as disadvantages of acoustic technology are presented. The structure of this article shows different approaches, methods, as well as application of acoustic waves for fire extinguishing. In the light of the latest re...

[1] Ziad Sobih, American University Laboratories for Electrical Engineering (part 1).[1] [2] Ziad Sobih, American University Laboratories for Electrical Engineering (part 2).[2] [3] Ziad Sobih, American University Laboratories for Electrical Engineering (part 3).[3]

Este artigo apresenta o desenvolvimento e validação de uma ferramenta que auxilia na compreensão da teoria de quadripolos aplicada a cálculos de transmissão de energia elétrica. Foi elaborada uma pasta de trabalho em Microsoft Excel com diversas planilhas capazes de resolver cálculos relacionados a quadripolos aplicados à transmissão de energia elé...

RESUMEN Memoria Descriptiva, Anteproyecto y Proyecto de Arquitectura e Ingeniería Eléctrica, Ingeniería de Instalaciones Mecánicas (Aire Acondicionado) e Instalaciones contra incendio, incluyendo cálculos métricos y especificaciones de cada proyecto de Arquitectura e Ingenierías. Fotografías del proceso de construcción, y fotografías de las obras t...

Currently, the Electrical Engineering classroom at Sultan Syarif Kasim Riau State Islamic University still uses conventional key. The use of conventional key in the classroom is considered impractical in it use, when there is no schedule the door is left open which causes chairs to move rooms and the use of classrooms is not according to schedule b...