421,535 research outputs found

    IAES International Conference on Electrical Engineering, Computer Science and Informatics

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    The 3rd International Conference of Electrical Engineering, Computer Science and Informatics (EECSI) 2016 was held in Semarang, Indonesia from 23th to 25thNovember, 2016. The conference was organized by Universitas Islam Sultan Agung as the host in collaboration with Universitas Diponegoro, Universitas Ahmad Dahlan and Universitas Sriwijaya, and with full technical support from IAES Indonesia Section. Authors and participants from 10 countries made the conference truly international in scope. Participants have delivered their talks of valuable research outputs that vary from many fields of electrical engineering (power electronics, telecommunication, electronics engineering, control system and signal processing) to the field of computer science and informatics. These wide range of topics have colorized this conference.This volume of IOP Conference Series: Materials Science and Engineering contains selected articles from those presented in the conference. After presentation, the revised papers were peer reviewed by fellow reviewers to ensure the quality of published materials. Finally, Editors decided to select and publish as many as 49 papers. It is hoped that the presented papers can offer more insight towards broad audience.On behalf of Editors, we appreciate enormous work of all staffs and reviewers in the preparation of this volume. We would like to express our sincere thanks to all authors and presenters for their valuable contributions. We hope to see you again in the next event of EECSI 2017 which will be held in Yogyakarta, Indonesia, next year

    Prediksi Beban Listrik Jangka Pendek Menggunakan Metode Autoregressive Integrated Moving Average (Arima)

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    Intisari - Penelitian ini bertujuan untuk menjelaskan bagaimana cara menggunakan metode ARIMA (Autoregressive Integrated Moving Average) untuk memprakirakan beban konsumsi listrik jangka pendek dan mengetahui seberapa besarkah tingkat akurasi dari metode ARIMA (Autoregressive Integrated Moving Average) yang digunakan. Metode prediksi jangka pendek Autoregressive Integrated Moving Average atau ARIMA digunakan sebagai metode untuk memperhitungkan besarnya penggunaan energi listrik di Gedung H Teknik Elektro dan Teknik Mesin Fakultas Teknik Universitas Lampung pada bulan Juni dan Juli tahun 2019 dengan menggunakan data penggunaan energi listrik pada bulan April dan Mei tahun 2019. Observasi yang dilakukan adalah memperhitungkan prediksi data deret waktu berupa hubungan antara Energi listrik (kWh) terhadap waktu. Analisis prediksi menggunakan metode ARIMA (2,1,0) memberikan nilai galat rata-rata sebesar 29,59%.   Kata kunci - Prediksi, ARIMA, Energi Listrik, Galat   Abstract - Nowadays forecasting methods have been widely used for various disciplines, with no exception for electrical energy. That methods used to determine the amount of electrical energy consumtion in the future. This research will discuss short term forecasting method Autoregressive Integrated Moving Average or ARIMA for determine the amount of electrical energy consumtion in the H Building of Electrical Engineering and Mechanical Engineering Department of the Faculty of Engineering, University of Lampung in June and July 2019. This research uses data that has been stored on a server computer in the University of Lampung's ICT building by using the Electricity Measurement Smart Monitoring equipment that has been installed in the H building of the Faculty of Engineering, University of Lampung. The data used for this method is the data in April and May 2019. The observation is to forecast time series data, electrical energy consumption (kWh) againts time. Forecasting analysis using the ARIMA (2,1,0) method showed an average 29,59% of error value.   Keywords - Forecasting, ARIMA, Electrical Energy, Error &nbsp

    An automated system to detect flash floods and alert at-risk communities

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    Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.Includes bibliographical references (leaf 25).This thesis describes an automated monitoring station designed to detect flash floods occurring in the Rio Aguan river basin, Honduras. An Atmel microcontroller polls a series of sensors in the river, logging all data for later hydrological analysis and modeling. A high-power APRS radio is used to alert a central monitoring facility of impending floods. Careful component choices and power management allows the system to run for 100 days on a single deep-cycle marine battery or practically indefinitely using a supplemental solar panel.by Joshua A. Weaver.M.Eng

    An Empirical Analysis on the Benefits of Production Information Sysem for Japanese Manufacturing Companies

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    We empirically analyzed the linkage from computer-based information technologies utilized for production activities to the perceived benefits of production information systems, further to the competitive performance of each manufacturing plant, after presenting our research framework and a series of hypotheses. A database used for the analysis includes forty-six manufacturing plants located in Japan from three industries (machinery, electrical & electronics, and automobile). Information technologies we took up include computer aided design (CAD), computer aided engineering (CAE), computer aided processes planning (CAPP), local area networks (LAN) linking design and engineering stations, computer or direct numerical control (CNC/DNC), flexible manufacturing systems (FMS), automated retrieval and storage, material requirement planning (MRP), just-in-time (JIT) software, simulation tools, statistical process control (SPC) software, database for quality information, and electronic data interchange (EDI) linkages among others. The benefits of production information systems were measured in terms of manufacturing cost reduction, decrease in inventories, quality improvement, lead time reduction, increase in flexibility to changing product mix and production volume, new product introduction time reduction and so on. We found that there were several information technologies which did not necessarily show the hypothesized effects, and there were considerable unexpected or secondary effects upon the benefits of production information systems. Furthermore, some important benefits of production information systems, particularly manufacturing cost reduction and increase in flexibility, didn’t lead to the improvement in the corresponding competitive performance indexes

    Impact of Bioinspired Robots on Veterans Pursuing STEM Degrees

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    The gap in the area of advanced manufacturing skilled workforce and the efforts in guiding veterans towards STEM careers are merged in the NSF funded project presented in this paper. While most of the products and STEM educational programs focused on a maker concept that are currently available are specifically designed for young population, at various K-12 grade levels, to increase their interest in STEM and engineering careers in particular, there is a limited availability of such programs to address adult population. The study presented in this paper focuses on developing and implementing a series of workshops for veterans, using bio-inspired robots as a learning platform. The design, making and controlling of bio-inspired robots require knowledge of mechanical, electrical, computer, and material science engineering, and have the potential to spark interest in a wide variety of engineering pathways. The paper discusses the topics covered by the workshops, the scaffolding of the activities, and the assessment conducted on how the bio-inspired robotics activities may influence veterans’ attitude towards advanced manufacturing careers

    Modeling recovery curves for prostate cancer

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    Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2013.Cataloged from PDF version of thesis.Includes bibliographical references (p. 43).In this thesis, I analyze a dataset containing a time series of various bodily functionality scores for patients following 3 different forms of prostate cancer treatment. I propose a parametric model for those function level time series and show promise that the method can be applied to both simulated and real data.by Fulton Wang.S.M

    Telescience Testbed Program: A study of software for SIRTF instrument control

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    As a continued element in the Telescience Testbed Program (TTP), the University of Arizona Steward Observatory and the Electrical and Computer Engineering Department (ECE) jointly developed a testbed to evaluate the Operations and Science Instrument System (OASIS) software package for remote control of an instrument for the Space Infrared Telescope Facility (SIRTF). SIRTF is a cryogenically-cooled telescope with three focal plane instruments that will be the infrared element of NASA's Great Observatory series. The anticipated launch date for SIRTF is currently 2001. Because of the complexity of the SIRTF mission, it was not expected that the OASIS package would be suitable for instrument control in the flight situation, however, its possible use as a common interface during the early development and ground test phases of the project was considered. The OASIS package, developed at the University of Colorado for control of the Solar Mesosphere Explorer (SME) satellite, serves as an interface between the operator and the remote instrument which is connected via a network. OASIS provides a rudimentary windowing system as well as support for standard spacecraft communications protocols. The experiment performed all of the functions required of the MIPS simulation program. Remote control of the instrument was demonstrated but found to be inappropriate for SIRTF at this time for the following reasons: (1) programming interface is too difficult; (2) significant computer resources were required to run OASIS; (3) the communications interface is too complicated; (4) response time was slow; and (5) quicklook of image data was not possible

    Connecting Hardware and Software in a Middle School Engineering Outreach Effort-RTP

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    Recent years have seen tremendous growth in outreach programs aimed at bringing computer programming to children and young adults via in-class and extracurricular coding activities. Programs such as the Hour of Code and Girls who Code have introduced millions of young people to programming around the world. For this study, we explored how combining programming with interactive electronics hardware can create a more engaging and dynamic learning environment for some students than what programming alone can achieve. In this paper, we describe an electrical engineering outreach effort in collaboration with the technology and engineering teacher at a local middle school. Beginning with an introduction to programming via the Hour of Code, we progressed to lessons utilizing the Sparkfun Electronics Digital Sandbox, an Arduino-compatible microcontroller board with numerous built-in sensors and outputs. Under the guidance of both a professor of electrical and computer engineering and their own technology teacher, the students learned about the relationship between electronics hardware and software via a series of hands-on activities that culminated in a final design project. To understand the experiences of the students who participated in these activities and develop insights into the relationship between hardware and software and students’ learning outcomes, we administered a survey and conducted a focus group with the students. The students described an overall positive experience, and also appreciated the ability to connect coding with the interactivity provided by the microcontroller board. The students described deriving significant satisfaction out of relatively simple tasks like programming an LED light to blink or change color. The students also overwhelmingly felt that learning about the interconnections between hardware and software gave them an understanding and better appreciation of the complexity of the electronics and computer software they interact with on a daily basis. The students generally found the programming to be the most challenging part of the activity but also rewarding, but tended to indicate activities utilizing hardware as the most engaging activity they encountered. Overall, the results of this study suggest that combined hardware and software educational activities can engage a wide number of students, help students understand the interconnectedness of these areas, and create a positive learning environment
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