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Da Silva Pereira, Marilete, and Márcio Bezerra da Silva. "Software DSpace." Convergências em Ciência da Informação 3, no. 3 (December 31, 2020): 106–27. http://dx.doi.org/10.33467/conci.v3i3.14974.
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Investigação que visa elencar características básicas que compõem o pacote de software DSpace no contexto dos repositórios institucionais. Pontua temas essenciais para a pesquisa, sendo: comunicação científica, Iniciativa de Arquivos Abertos, Movimento de Acesso Aberto e repositório institucional. Resulta, segundo uma pesquisa descritiva e bibliográfica, e de abordagem qualitativa de coleta de dados, que os repositórios institucionais foram precedidos pelos repositórios físicos, exemplificados por arquivos, bibliotecas e museus, e subsidiados pelos repositórios digitais e temáticos. Aponta o uso do DSpace na formalização de repositórios institucionais em espaços acadêmicos, especificamente em Universidades públicas, entre federais e estaduais. Estratifica um paralelo entre características do DSpace e atributos de repositório institucional, inferindo-se que esse tipo de ambiente digital promove a comunicação científica, a Iniciativa de Arquivos Abertos e o Movimento de Acesso Aberto a partir do padrão de metadados Dublin Core e do Open Archives Initiative Protocol for Metadata Harvesting. Conclui-se que o DSpace, adotado em universidades federais de todo o país, se caracteriza como uma ferramenta livre e de código-fonte aberto, que desenvolve e implementa repositórios institucionais, que garante o acesso à informação de forma perpétua, que armazena diferentes tipos de documentos e extensões, que permite ser customizável, que oferece opções de recuperação e que viabiliza a interoperabilidade entre sistemas
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Becker, Pascal-Nicolas, Michele Mennielli, and Katharina Trachte. "Stewarding National User Groups to Strengthen Open Source Software Communities." Publications 8, no. 2 (June 4, 2020): 31. http://dx.doi.org/10.3390/publications8020031.
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Open Source Software (OSS) communities are often international, bringing together people from diverse regions with different linguistic and cultural backgrounds. National user groups can bolster these international communities by convening local events, championing the software to peers, welcoming and onboarding new contributors, raising money to support the broader community, and collecting important information on user’s needs. The open source community-led software DSpace has had great success encouraging the creation of national user groups; in the UK, North America, and Germany, the Groups have been active for many years. However, it was in 2018, thanks to a renewed focus on international engagement and more diverse representation of the global community in governance groups, that the national communities entered into a new phase: 15 new national User Groups have been formed all over the world since then, while the German user group evolved into the “DSpace-Konsortium Deutschland”, founded by 25 institutions, marking a pivotal point for membership options and National User Group participation within DSpace Governance. This article will offer an overview of the historical development of the DSpace community and its governance model, as well as DuraSpace’s international engagement strategy, including its benefits and challenges. Subsequently, we will present a case study on the DSpace-Konsortium Deutschland and explain its relation to the broader context of how to build national user groups within global communities.
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Ahammad, Nur. "Open source digital library on open educational resources." Electronic Library 37, no. 6 (December 9, 2019): 1022–39. http://dx.doi.org/10.1108/el-11-2018-0225.
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Purpose This paper aims to explain the implementation procedure of DSpace at the Library of Independent University, Bangladesh. This paper shows how DSpace is promoting open educational resources (OER) movement and demonstrates the ease of implementing DSpace in an institution. Moreover, the purpose of this paper is to encourage library professionals to participate in the OER movement by implementing DSpace in their libraries. Design/methodology/approach The requirements for implementing DSpace have been shown in this paper. It also describes the system model of an academic repository (DSpace)/digital library (DL). In addition, the paper describes the legal issues for submitting an item in DSpace and self-submission process of an item as well as shows impact of DSpace on OER. Findings Open source software and Open Access Institutional Repository software has a fundamental role in promoting OER. DSpace is perfect for building a DL or an institutional repository in libraries, especially for developing country libraries because this demands low cost and it is easy to implement in libraries as well as is user-friendly. Originality/value This paper will help to understand the role of the library community and librarians about OER. It will also show the impact of DL on OER. In addition, this paper encourages librarians to participate in OER movement.
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Cherukodan, Surendran, and Humayoon Kabir S. "Adoption of DSpace by Indian libraries." Program 50, no. 2 (April 4, 2016): 175–83. http://dx.doi.org/10.1108/prog-08-2014-0059.
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Purpose – India occupies second position among the countries that have adopted DSpace open source software for institutional repositories (IRs)/digital libraries (DLs). The purpose of this paper is to examine the reasons for DSpace being preferred over other software. It inspects various instances of Indian web-based DSpace systems including the nature and growth of collection, the geographical distribution of DSpace systems and the types of institutions that adopt and maintain DSpace. Design/methodology/approach – Data were collected from the official website of DSpace, Google search and from online discussion forums during July 2013 to January 2014. The 132 Indian DSpace links provided in the official DSpace website were examined. Further search was carried out on Google to identify Indian IRs and DLs that are not listed by the official website. A list of Indian DSpace websites prepared by the authors was sent to the online discussion forums for further updating. An online directory of Indian DSpace websites was created using WordPress which provided for the adding of comments. The study is limited to the web-based DSpace IRs and DLs in India. Findings – The majority of the Indian IRs and DLs listed on the official website of DSpace are not visible on the internet. Many links lead to institution websites, commercial websites and personal pages of authors. Out of 132 DSpace links, only 55 are visible on the internet to search and use. Indian libraries prefer DSpace over EPrints, Fedora and Greenstone. Many institutions could not maintain continuity of their DSpace systems in the online environment. Institutions having more funding are maintaining web-based DSpace systems. The size, economic conditions, rate of literacy and number of universities in an Indian state do not influence the maintenance of digital systems. Academic institutions involving universities, technical institutions and colleges lead in the adoption and maintenance of web-based DSpace in India. Private universities and colleges have adopted DSpace for IR/DL. Public libraries constitute a minimum percentage of web-based DSpace instances. Indian courts and Parliament have adopted DSpace. Shodhganga, the Indian ETD project, is running on DSpace. Originality/value – This is the first paper examining the adoption of DSpace by Indian libraries with a focus on online visibility and the strength of collection. It can be used to understand the pattern of technology adoption by Indian libraries over the years.
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Mandal, Sukumar. "Real Time Visualization of DSpace Usage: An Integrated Framework for Libraries." Asian Journal of Information Science and Technology 9, no. 1 (February 5, 2019): 55–57. http://dx.doi.org/10.51983/ajist-2019.9.1.2619.
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Web analytics is also known as cloud analytics which helps to display the information regarding site metrics from massive data. This can be achieved in two ways via the user’s web browser such as statistical and visualization of a particular digital web based interface. This paper explores high level digital archiving software by integration of DSpace with web analytics popular tool Piwik. The paper discusses to create a single window web analytic interface to represent the user log and present the DSpace Usage. For this the researchers select DSpace, an open source software as it is free and popular. They integrate DSpace software with Piwik web analytic tool. Piwik, a web analytic interface tool has been chosen due to its successful integration with DSpace and it is also a free web analytics tool. The whole integration is being performed in Ubuntu operating system due to its reliability and good rate of performance. After successful integration of DSpace with Piwik in Ubuntu Operating System, researchers found that there are multiple colourful link icons showing the different community, sub-community, collection and metadata. It will also display statistical visual graph showing unique visitors, average visit duration, page views, downloads, average generation time page views, unique page views total searches on your website, unique keywords downloads, etc. Through this web analytic interface, DSpace usage may be measured easily and the users’ trend at present will be displayed to rectify any demerits behind this.
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França, Fernanda Percia, Denise Oliveira de Araujo, and Márcio Bezerra da Silva. "A ferramenta para repositórios institucionais DSpace: conceitos e características." Revista Ibero-Americana de Ciência da Informação 13, no. 2 (April 24, 2020): 603–18. http://dx.doi.org/10.26512/rici.v13.n2.2020.31160.
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Pesquisa que apresenta características que formalizem o pacote de software Dspace a partir de três pontos: elenco de predicados que definem os repositórios institucionais, exemplos de ambientes acadêmico-institucionais que fazem uso do DSpace e identificação de características presentes no DSpace à luz dos repositórios institucionais. Aborda temas básicos para a pesquisa, sendo: comunicação científica, movimento de acesso aberto, iniciativa de arquivos abertos e repositório institucional. Destaca o DSpace enquanto um tipo de recurso de software livre e de código aberto. Resulta, segundo uma pesquisa exploratória e bibliográfica, e de abordagem qualitativa de coleta de dados, que o DSpace provê a construção de repositórios institucionais ao redor do mundo, inclusive em todo o território nacional, que a divulgação de eventos e programas da Instituição, enquanto um dos predicados inerentes ao conceito de repositório institucional, não é contemplado pelo software, ao passo que o DSpace abrange os demais predicados identificados, tais como: gerenciar dados e atividades de pesquisa; apoiar e veicular objetos digitais, no uso do padrão de metadados Dublin Core; gerir o conhecimento do corpus de conteúdos que constitui o repositório institucional; expor as produções virtualmente, na íntegra e de forma aberta; intecionar a preservação digital; e administrar perfis e depósitos de obras com fins de qualidade. Conclui-se que o DSpace caracteriza-se como um pacote de software livre e de código aberto que facilita o acesso aos materiais armazenados, promove o autoarquivamento e a publicação das produções científicas, na íntegra e de forma livre, adota metadados para a curadoria e veiculação de produções, promove a gestão do conhecimento, expõe virtualmente as produções, inteciona a preservação digital, realiza cópias de segurança e migrações, controla os direitos de acesso e supervisiona o autoarquivamento a partir do DSpaceDirect, e, finalmente, atribui funções de uso específicas aos usuários.
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Nyaichyai, Lila, Goma Luitel, and Ram Krishna Maharjan. "Experiences of Library Professionals on DSpace Installation." Nepal Journal of Multidisciplinary Research 4, no. 2 (August 29, 2021): 93–105. http://dx.doi.org/10.3126/njmr.v4i2.39177.
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DSpace, a free and open-source software (FOSS) provides the digital platform for building collections of an institution. Due to the lack of the skills to install and configure DSpace, librarians are incapable to conduct it even after the awareness about it. Identifying challenges about DSpace installation is vital to increase its use by librarians. Hence, it aims to explore the understanding of DSpace installation among librarians and to identify aspects of their experiences and feelings while installing DSpace. Librarians' experiences and feelings are important for accepting the software. Librarians were interviewed during the training program conducted on digital library technology from December 2020 to January 2021. Two groups were distinguishing from each other: one is with a library science background and another is with computer science and engineering background. The second group aswas self-sustained to install DSpace, once they got the guidelines for installation. Their views were reflected with the code terms status, exploration, feeling, activities, preferences, and inadequacy. Through their experiences, the aspects of challenges are the less experience of using the command line in computer use, the unavailability of teaching courses on Linux operating system in Library and Information Science (LIS) education, and the lack of self-exploration habits. Practice to Linux commands, incorporate the Linux in the Library Science course, self-exploration, and consistent effort will help librarians in installing DSpace by themselves. Finally, librarians should internalize their goal to act as the administrator for the DSpace, not only as of the operator.
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Silva, Wellington da, and José Antonio Merlo Vega. "Softwares para repositorios digitales: evaluación para la gestión y preservación de los materiales bibliográficos y de los documentos archivísticos de la Biblioteca Nacional de Brasil." Revista Ibero-Americana de Ciência da Informação 13, no. 1 (February 7, 2020): 301–15. http://dx.doi.org/10.26512/rici.v13.n1.2020.29554.
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: La llegada de la Tecnología de la Información y Comunicación cambió la manera de la Biblioteca Nacional de Brasil de producir, usar y almacenar información, si antes su acervo estaba compuesto de pergaminos, papiros, libros y documentos administrativos en soporte papel, actualmente se compone además por objetos digitales (nativos y digitalizados) como libros, revistas, periódicos, música, fotografías, documentos administrativos entre otros; y el volumen de estos objetos digitales están creciendo cada día. Por eso la investigación evaluó y analizó las características y las funcionalidades de los softwares para repositorios digitales Archivematica, DSpace y RODA con el fin de identificar el más adecuado para la gestión y preservación de los materiales bibliográficos y de los documentos archivísticos de la Biblioteca Nacional de Brasil. Se revisó la estructura organizacional de la Biblioteca Nacional de Brasil y la bibliografía especializada; se analizó los softwares seleccionados mediante un criterio cuantitativo basado en las funcionalidades que cumplen. DSpace fue el que presentó mejor resultado, cumple con el 92% de las funcionalidades seleccionadas. En segundo lugar está RODA, con un nivel de satisfacción del 77% y en último lugar está Archivematica, con 62%. Archivematica no es un software para repositorio digital, sino un sistema de preservación digital, es decir, una solución tecnológica para un repositorio digital. RODA, es un software de preservación OAIS y no una plataforma de publicación. DSpace es el software más adecuado para la gestión y preservación de los materiales bibliográficos y de los documentos archivísticos de la Biblioteca Nacional de Brasil, atendiendo al 92% de las funcionalidades consideradas como las más importantes y relevantes para la gestión y preservación.
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Hazarika, Hirak Jyoti, Akash Handique, and S. Ravikumar S. Ravikumar. "DICOM-based medical image repository using DSpace." Collection and Curation 39, no. 4 (February 20, 2020): 105–15. http://dx.doi.org/10.1108/cc-11-2019-0039.
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Purpose This paper aims to provide image repository to the medical professional in an open source platform, which will increase the visibility of Digital Imaging and Communication in Medicine (DICOM) image in a network mode; further, the proposed system will reduce the storage cost of the images to significant level. Design/methodology/approach The authors have developed a new institutional repository model for the medical professionals cum radiologists to preserve, store and retrieve medical images from one database with the help of open source software. The authors used JavaScript programming to integrate and develop the DICOM Standard with DSpace. Findings Major outcome of this work is that DICOM images can be accommodated in DSpace without modifying the image properties and keeping intact the various dimensions of image viewing options. Further, it was found that the images are retrieved without any ease because of the robust indexing system. Research limitations/implications Major limitation of this study was the size of the data (5000 DICOM image) with which the authors have tested the system. The scalability of the system has to be tested on various fronts, for which separate study has to be done. Practical implications Once this system is in place, DICOM user can store, retrieve and access the image from Web platform. This proposed repository will be the storehouse of various DICOM images with reasonable storage costs. Originality/value In addition to exploring the opportunities of open source software (OSS) implementation in Medical Fields, this study includes issues related to implementation of open source repository for storing and preserving medical image. This is the first time in Library Science field to create and develop Open Source DICOM Medical Image Library with the help of DSpace. The study will create value for library professionals as well as medical professionals and OSS vendors to understand the medical market in the context of OSS.
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Hazarika, Hirak Jyoti, and S. Ravikumar. "Document viewer with DSpace: a practical approach." Library Hi Tech News 36, no. 5 (July 1, 2019): 22–26. http://dx.doi.org/10.1108/lhtn-05-2019-0031.
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Purpose This paper aims to provide an overview of the need and current development of document viewers for digitized objects in DSpace repositories, including a local viewer developed for a document collection as like research papers, thesis and dissertation. Design/methodology/approach The authors developed the concept for the to preserve and store all types of document in one data base with the help of open source software (OSS). The authors used Java Script programing to integrated and developed the system. Findings The major finding of our work is that large document file can be accommodated in DSpace without modifying the originality of the documents and viewing the document in a different dimension as a specialist needs. The combination of current technologies such as Google Doc Viewer and the Internet Archive Book Reader, as well as the growing number of digital repositories hosting digitized content, suggests that the DSpace community will probably benefit with an “out-of-the-box.” Originality/value In addition, to exploring the opportunities of OSS implementation in different research institutes, the study includes issues related to the implementation of the open source repository. This is the first time in India, as well as DSpace history to created and developed Document Viewer with the help of DSpace OSS. The study would have value for library professionals and the developer to understand the market in the context of OSS.
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Ansari, Md Fahim, S. Chatterji, and Atif Iqbal. "Automatic maximum power point tracker for solar PV modules using dSPACE software." International Journal of Sustainable Energy 29, no. 3 (September 2010): 151–63. http://dx.doi.org/10.1080/14786460903556147.
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., Sukumar Mandal. "Designing Altmetrics Enabled Discovery Services through DSpace." Indian Journal of Information Sources and Services 9, no. 1 (February 5, 2019): 117–21. http://dx.doi.org/10.51983/ijiss.2019.9.1.582.
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Discovery service is very important in an automated and digital library system. There are different types of this services are available in an online environment such as google scholar, research gateway, ebsco, summon, exlibris primo, worldcat and etc. This is very popular service and enable customization in different fields such as end user accounts, branding, embedding your chat service, turning off and on certain resources, custom search boxes, embedded widgets, facets modifications, language choices, and content and underlying technology infrastructure philosophies may vary, but the results are largely the same. Altmetrics is a part of discovery services to developing any online based institutional digital repository for enhancing the library and information services among the research scholars, users, students, and teachers also. The objective of this paper is to explore and access the altmetrics enabled services from the DSpace user interface for fulfilling the discovery services in an integrated digital library system. Apart from this it also describe some well-known altmetrics enabled tools available in an online environment. Now, this integrated framework is very helpful for each and every sphere of institutional digital repository for designing and developing the altmetrics enabled discovery services through an open source software DSpace.
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Akselrud, Lev, and Yuri Grin. "WinCSD: software package for crystallographic calculations (Version 4)." Journal of Applied Crystallography 47, no. 2 (March 11, 2014): 803–5. http://dx.doi.org/10.1107/s1600576714001058.
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The fourth version of the program packageWinCSDis multi-purpose computer software for crystallographic calculations using single-crystal and powder X-ray and neutron diffraction data. The software environment and the graphical user interface are built using the platform of the Microsoft .NET Framework, which grants independence from changing Windows operating systems and allows for transferring to other operating systems. Graphic applications use the three-dimensional OpenGL graphics language.WinCSDcovers the complete spectrum of crystallographic calculations, including powder diffraction pattern deconvolution, crystal structure solution and refinement in 3 + dspace, refinement of the multipole model and electron density studies from diffraction data, and graphical representation of crystallographic information.
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Rong, Liu. "Design of Ideological and Political Multimedia Network Teaching Resources Integration System Based on Wireless Network." Scientific Programming 2021 (June 10, 2021): 1–15. http://dx.doi.org/10.1155/2021/4293771.
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The main purpose of the integration of network media and middle school ideological and political course is to better realize the moral education function of middle school ideological and political development. The use of resource integration technology to manage distributed teaching resources is conducive to improving the level of information construction in colleges and universities, and so on. This paper puts forward the integration system of ideological and political multimedia network teaching resources based on wireless network. Firstly, it presents an overview of the Radio Resource Management (RRM) problem and projected strategies within wireless network framework, where several Radio Access Technologies (RATs) are collectively controlled and identify the different activities relating to the CRRM issues. Secondly, this paper targets providing a summary of the RRM problem and projected solutions within wireless network. Thirdly, the theoretical elements of the design and the teaching resource management assessment process are clarified by using XML as the data exchange carrier to realize the automatic integration of teaching resources. Fourthly, we have used dSPACE platform, by calling its API function, which then call the subscribe function of dSPACE framework and store the subscription information in the database. Whenever new teaching resources enter the subscribed field, the dSPACE framework will automatically send e-mail to the subscribers. Finally, during the operation of the system, all functions operate normally and have strong security, so as to avoid the illegal theft or leakage of the data about the education system.
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Li, Qiang, Zu Ming Sun, and He Ren. "Study on Real-Time Simulation on Hardware-in-the-Loop Platform for Single-Side Wheel Steering by Wire with dSPACE and Simulink." Applied Mechanics and Materials 229-231 (November 2012): 1935–38. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.1935.
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Aiming at ordinary development DC motor existence shortcomings as complex algorithm and difficult real-time adjustment, the Hardware-In-the-Loop(HIL) platform is put up for single-side wheel steering system. The structure of software and hardware and important component is described in detail, and the real-time simulation model is developed using Simulink and dSPACE. With interest of better effects on real time control steering motor is achieved with ControlDesk by means of on-line tuning, monitoring, debugging and optimization of PID control parameters. The experimental results demonstrate that dSPACE system applied in DC motor has the advantages of good real-time control effect and effectively shorten controller development cycle and cost for the sake of establishing foundation on the proceeding research.
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Kampa, Raj Kishor, and Nihar Kanta Patra. "Determining the factors influencing the level of awareness and usage of open source digital repository software by academic librarians in India." Digital Library Perspectives 36, no. 3 (August 3, 2020): 303–17. http://dx.doi.org/10.1108/dlp-05-2020-0042.
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Purpose The purpose of this paper is to analyze the level of awareness and usage of open source digital repository software (DRS). The paper also studies the factors, which influence the level of awareness and usage of different open source DRS by academic librarians in India. Design/methodology/approach The study administered an online questionnaire to academic librarians in India to know their level of awareness and usage of open source DRS. The questionnaire aimed to gather the awareness and usage of open source DSR. In total, 374 complete responses were collected from academic librarians in India and the collected data were analyzed using descriptive statistics. Moreover, Fishers’ exact test was used to identify whether factors i.e. qualification and participation in workshop/seminar influence the level of awareness and usage of open source DRS. Findings The results of the study reveal that the level of awareness and usage of open source DRS, namely, DSpace (Mean = 2.92, SD = 0.906) and Greenstone digital library software (GSDL) (Mean = 2.18, SD = 0.699) are high amongst the academic librarians in India. In total, 33.4%, 11.5% of the participants are using DSpace and GSDL, respectively, on regular basis. Fishers’ exact test shows that factor(s) i.e. qualifications and participation in workshop/seminar affect the level of awareness and usage of open source DRS. The results show that there exits strong relation between participation in workshop/seminar and awareness and usage of DSpace (Fishers’ exact test = 13.473, p < 0.05). Originality/value This paper is the new type of study exploring level of awareness and usage of open source DRS by academic librarians in India. It identifies the factors that affect the awareness and usage of open source DRS. It is the first study to analyze the statistical significance between Indian librarians’ participation in workshop/seminar and their level of awareness and usage of different open source DRS.
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Noman, Abdullah M., Khaled E. Addoweesh, and Hussein M. Mashaly. "DSPACE Real-Time Implementation of MPPT-Based FLC Method." International Journal of Photoenergy 2013 (2013): 1–11. http://dx.doi.org/10.1155/2013/549273.
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Maximum power point trackers are so important in photovoltaic systems to improve their overall efficiency. This paper presents a photovoltaic system with maximum power point tracking facility. An intelligent fuzzy logic controller method is proposed in this paper to achieve the maximum power point tracking of PV modules. The system consists of a photovoltaic solar module connected to a DC-DC buck-boost converter. The system is modeled using MATLAB/SIMULINK. The system has been experienced under disturbance in the photovoltaic temperature and irradiation levels. The simulation results show that the proposed maximum power tracker tracks the maximum power accurately and successfully in all conditions tested. The MPPT system is then experimentally implemented. DSPACE is used in the implementation of the MPPT hardware setup for real-time control. Data acquisition and control system is implemented using dSPACE 1104 software and digital signal processor card. The simulation and practical results show that the proposed system tracked the maximum power accurately and successfully under all atmospheric conditions.
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Sobral, Renato Machado, and Cibele Araújo Camargo Marques dos Santos. "Repositórios institucionais digitais de informação científica: implementação com o software DSpace como solução técnica." Prisma.com, no. 35 (2017): 152–84. http://dx.doi.org/10.21747/16463153/35con2.
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Velmurugan, C. "Research on Open Source Software (OSS) with Special Reference to DSpace on Online Libraries." Pearl : A Journal of Library and Information Science 8, no. 2 (2014): 71. http://dx.doi.org/10.5958/0975-6922.2014.00725.6.
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Arnomo, Ilham. "STUDI BANDING PERANGKAT LUNAK APLIKASI GANESHA DIGITAL LIBRARY (GDL) SEBAGAI REPOSITORY INSTITUSI BERBASIS OPEN SOURCE." JURNAL TEKNIK INFORMATIKA 12, no. 1 (June 20, 2019): 21–30. http://dx.doi.org/10.15408/jti.v12i1.8632.
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The purpose of the research is to analyze the technical features of the Ganesha Digital Library (GDL) application with DSpace and Eprints, so that it will be proved technically whether the GDL application can meet the standards and criteria as the application software repository institution ?. Using experimental approach research methods by installing GDL, DSpace and Eprints application to further analyze and compare the technical features of the three applications. The results show that GDL application meet standards and criteria as institutional repository application, since they have most of the technical features of institutional repositories including the features of the OAI-PMH (Open Archives Initiative Protocol for Metadata Harvesting); has a dublincore metadata standard; and has been licensed to open source (General Public License) GPL that is needed for the utilization, use and development of institutional repository applications according to the needs of a college institution.
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Mat Lazi, Jurifa, Zulkifilie Ibrahim, MHN Talib, Azrita Alias, Ainain Nur, and Maaspaliza Azri. "Speed and position estimator of for sensorless PMSM drives using adaptive controller." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 1 (March 1, 2019): 128. http://dx.doi.org/10.11591/ijpeds.v10.i1.pp128-136.
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<p>Nowadays, the elimination of the speed sensor in Permanent Magnet Synchronous Machine (PMSM) is greatly recommended to increase efficiency and reduce the cost of the drives. This paper proposes a simple estimator for speed and rotor position of PMSM drives using adaptive controller. The novelties of the proposed method are the simple estimator equations and the absence of the voltage probe which depend on direct and quadrature reference current only. The simplified mathematical model of the PMSM is formulated by using <em>V-I</em> model, based on adaptive control. Then, the speed estimation error of the voltage and current model based are analyzed. Thus, an adaptation mechanism model is established to cancel the error of the measured and estimated <em>d-q</em> currents. Since the output of the estimator is the position feedback, the performances of speed responses are presented. The hardware implementation of proposed sensorless drives is realized via dSPACE DS11103 panel. dSPACE Real Time Implementation (RTI) is the linkage between software and hardware set-up. It automatically processes the MATLAB Simulink model into dSPACE DS11103 processor. The experimental-hardware results demonstrate that the speed and position estimator of the proposed method is able to control the PMSM drives for forward and reverse of speed command, acceleration, deceleration and robustness to load disturbance.</p>
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Tilki, Birol, Thomas Schulenberg, Steve Canham, Rita Banzi, Wolfgang Kuchinke, and Christian Ohmann. "Assessment of a demonstrator repository for individual clinical trial data built upon DSpace." F1000Research 9 (April 29, 2020): 311. http://dx.doi.org/10.12688/f1000research.23468.1.
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Background: Given the increasing number and heterogeneity of data repositories, an improvement and harmonisation of practice within repositories for clinical trial data is urgently needed. The objective of the study was to develop and evaluate a demonstrator repository, using a widely used repository system (DSpace), and then explore its suitability for providing access to individual participant data (IPD) from clinical research. Methods: After a study of the available options, DSpace (version 6.3) was selected as the software for developing a demonstrator implementation of a repository for clinical trial data. In total, 19 quality criteria were defined, using previous work assessing clinical data repositories as a guide, and the demonstrator implementation was then assessed with respect to those criteria. Results: Generally, the performance of the DSpace demonstrator repository in supporting sensitive personal data such as that from clinical trials was strong, with 14 requirements demonstrated (74%), including the necessary support for metadata and identifiers. Two requirements could not be demonstrated (inability to incorporate de-identification tools in the submission workflow, lack of a self-attestation system) and three requirements were only partially demonstrated (ability to provide links to de-identification tools and requirements, incorporation of a data transfer agreement in system workflow, and capability to offer managed access through application on a case by case basis). Conclusions: Technically, the system was able to support most of the pre-defined requirements, though there are areas where support could be improved. Of course, in a productive repository, appropriate policies and procedures would be needed to direct the use of the available technical features. A technical evaluation should therefore be seen as indicating a system’s potential, rather than being a definite assessment of its suitability. DSpace clearly has considerable potential in this context and appears a suitable base for further exploration of the issues around storing sensitive data.
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Tilki, Birol, Thomas Schulenberg, Steve Canham, Rita Banzi, Wolfgang Kuchinke, and Christian Ohmann. "Assessment of a demonstrator repository for individual clinical trial data built upon DSpace." F1000Research 9 (June 25, 2020): 311. http://dx.doi.org/10.12688/f1000research.23468.2.
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Background: Given the increasing number and heterogeneity of data repositories, an improvement and harmonisation of practice within repositories for clinical trial data is urgently needed. The objective of the study was to develop and evaluate a demonstrator repository, using a widely used repository system (DSpace), and then explore its suitability for providing access to individual participant data (IPD) from clinical research. Methods: After a study of the available options, DSpace (version 6.3) was selected as the software for developing a demonstrator implementation of a repository for clinical trial data. In total, 19 quality criteria were defined, using previous work assessing clinical data repositories as a guide, and the demonstrator implementation was then assessed with respect to those criteria. Results: Generally, the performance of the DSpace demonstrator repository in supporting sensitive personal data such as that from clinical trials was strong, with 14 requirements demonstrated (74%), including the necessary support for metadata and identifiers. Two requirements could not be demonstrated (the ability to include de-identification tools and the availabiltiy of a self-attestation system) and three requirements were only partially demonstrated (ability to provide links to de-identification tools and requirements, incorporation of a data transfer agreement in system workflow, and capability to offer managed access through application on a case by case basis). Conclusions: Technically, the system was able to support most of the pre-defined requirements, though there are areas where support could be improved. Of course, in a productive repository, appropriate policies and procedures would be needed to direct the use of the available technical features. A technical evaluation should therefore be seen as indicating a system’s potential, rather than being a definite assessment of its suitability. DSpace clearly has considerable potential in this context and appears a suitable base for further exploration of the issues around storing sensitive data.
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Ren, W., H. Chen, and J. Song. "Model-based development for an electric power steering system." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 222, no. 7 (July 1, 2008): 1265–69. http://dx.doi.org/10.1243/09544062jmes925.
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A model-based development method for electric power steering (EPS) system has been explored. A practicable model for the EPS system has been established in a full vehicle mechanical system environment. The performance of the electric control system of the EPS system has been evaluated in this static analysis environment. The model has then been used in a dynamic test environment based on dSPACE hardware and software, including Software-in-the-Loop and Hardware-in-the-Loop. The test result validates the simulation model, and shows that this development method can be used to evaluate the conceptual design of the EPS system as well as the control software design and testing.
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Asmad, Chusnul Chatimah, Taufiq Mathar, A. Khaidir Akbar, Nur Arifin, Hijrana ,, Haruddin ,, Irmawati ,, Irawati ,, and Satriani ,. "Tren Perkembangan Open Access Institutional Repository pada Perguruan Tinggi di Indonesia." Khizanah al-Hikmah : Jurnal Ilmu Perpustakaan, Informasi, dan Kearsipan 6, no. 2 (December 28, 2018): 168. http://dx.doi.org/10.24252/kah.v6i2a8.
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Open Access (OA) atau akses terbuka dapat menjadi jalan alternatif dalam menyebarkan informasi ilmiah kepada seluruh dunia tanpa dibatasi ruang dan waktu. Repositori institusi atau instutional repository (IR) telah banyak diaplikasikan pada beberapa perguruan tinggi di Indonesia. Tulisan ini mendeskripsikan pemetaan perkembangan repositori institusi perguruan tinggi di Indonesia yang open akses dan perangkat lunak yang digunakannya pada portal OpenDOAR. Penelitian ini terbatas pada repositori institusi perguruan tinggi yang telah terdaftar di OpenDoar saja. Hasil penelitian menunjukkan bahwa terdapat peningkatan jumlah perkembangan repositori di Indonesia pada OpenDOAR mulai dari tahun 2008 hingga 2018 ini. Sementara perangkat lunak yang digunakan ialah Eprints, Dspace, dan lainnya.ABSTRACT Open Access (OA) can be an alternative way of disseminating scientific information to the globe without limited by space and time. Institutional repositories (IR) have been widely applied to several universities in Indonesia. This paper describes the mapping of the development of open access institutional universities in Indonesia and the software used from the OpenDOAR website. This research is limited to the repository of tertiary institutions that have been registered in OpenDoar only. The results showed that there was an increase in the number of repository developments in Indonesia in OpenDOAR starting from 2008 to 2018. While the software used is Eprints, Dspace, and others.
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Cosma, Ioan Adrian, Vistrian Măties, Ciprian Lapusan, and Rares Ciprian Mîndru. "Modeling of Shape Memory Alloy Actuators Using Matlab and dSpace Platform." Solid State Phenomena 166-167 (September 2010): 149–54. http://dx.doi.org/10.4028/www.scientific.net/ssp.166-167.149.
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The aim of the paper is to describe an approach for modeling the dynamic behavior of a positioning system actuated by two shape memory alloy springs, placed in opposition. The mathematical analysis of the system in order to develop the dynamic model is difficult in this case because of the unknown parameters within the dynamic equations (thermodynamics, change in austenite fraction) and therefore a new approach is presented. Thus, a positioning system is considered, and its behavior is determined using Matlab Software, D-space platform and an optical sensor, which analyses the position/velocity of the moving cart. The dynamic model of the system is determined in order to develop a further model based control technique. The model is generated using system identification toolbox within Matlab and input and output (response) of the considered system.
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Li, Xiu Ling. "Monitoring the Inner Force of the Frame-Shear Wall Structure with MR Dampers by FBG Sensors." Applied Mechanics and Materials 94-96 (September 2011): 1031–35. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.1031.
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The experiment system of a three-floor reinforced concrete frame-shear wall eccentric structure has been built based on Matlab/Simulink software environment and hardware/software resources of dSPACE. And then a shaking table test for the hosting structure with and without magnetorheological (MR) dampers is implemented subjected to three different ground motions. The FBG strain sensors were used in this experiment for strains measurement of the columns and monitoring of the appearing and developing of cracks under different stages. The experimental results show that the control strategies of MR dampers have significant effect on axial force of the column.
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Hirschmann, Barbara. "Die Research Collection der ETH Zürich." ABI Technik 38, no. 3 (September 4, 2018): 223–33. http://dx.doi.org/10.1515/abitech-2018-3003.
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ZusammenfassungIm Sommer 2017 lancierte die ETH-Bibliothek nach rund dreijähriger Projektphase die Research Collection, eine neue Publikationsplattform für die Forschenden an der ETH Zürich. Die Plattform vereint die Funktionen einer Hochschulbibliographie, eines Open-Access-Repository und eines Forschungsdaten-Repository unter einem Dach. Sie wurde auf Basis der Open-Source-Software DSpace implementiert und löste zugleich zwei Vorgängersysteme ab. Heute ist die Research Collection ein zentraler Baustein innerhalb der hochschulweiten Informationsinfrastruktur der ETH Zürich.
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Jiang, Yi, and Jien Ma. "The Research of PID and Bang-Bang Controllers Based on the dSPACE." Applied Mechanics and Materials 416-417 (September 2013): 486–91. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.486.
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This paper analyzes the PID and the Bang-Bang control methods. To compare the performance of these traditional algorithms, the speed control of a brushless DC drive system is implemented in real-time, using these two methods. The parameters in the controller can be adjusted by the hardware and the software to achieve the optimum performance of the closed-loop system. The experiment results proved that these two controllers have their own merit and defect according to the different steady-state performance and dynamic response respectively. It is concluded that the PID and the Bang-Bang controllers could be used in different applications.
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Caplan, Priscilla, William R. Kehoe, and Joseph Pawletko. "Towards Interoperable Preservation Repositories: TIPR." International Journal of Digital Curation 5, no. 1 (June 22, 2010): 34–45. http://dx.doi.org/10.2218/ijdc.v5i1.142.
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Towards Interoperable Preservation Repositories (TIPR) is a project funded by the Institute of Museum and Library Services to create and test a Repository eXchange Package (RXP). The package will make it possible to transfer complex digital objects between dissimilar preservation repositories. For reasons of redundancy, succession planning and software migration, repositories must be able to exchange copies of archival information packages with each other. Every different repository application, however, describes and structures its archival packages differently. Therefore each system produces dissemination packages that are rarely understandable or usable as submission packages by other repositories. The RXP is an answer to that mismatch. Other solutions for transferring packages between repositories focus either on transfers between repositories of the same type, such as DSpace-to-DSpace transfers, or on processes that rely on central translation services. Rather than build translators between many dissimilar repository types, the TIPR project has defined a standards-based package of metadata files that can act as an intermediary information package, the RXP, a lingua franca all repositories can read and write.
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Hanumappa, Anilkumar, Mallikarjun Dora, and Viral Navik. "Open Source Software solutions in Indian libraries." Library Hi Tech 32, no. 3 (September 9, 2014): 409–22. http://dx.doi.org/10.1108/lht-12-2013-0157.
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Purpose – The purpose of this paper is to explore the Open Source Software (OSS) market relevant to Indian libraries and more specifically, to review the existing library automation, i.e. Integrated Library Management System (ILMS) and Digital Library (DL) software solutions. Design/methodology/approach – Survey method was adopted to collect data for this study and the sample population for this study included 356 library professionals. Findings – The study findings indicate presence of OSS like Koha and NewGenLib in the ILMS category and Dspace, Eprints and Greenstone in the DL software category in India. The study also indicates that there is considerable interest among Indian libraries to adopt or migrate to OSS. Research limitations/implications – The sample included largely, more than 80 percent, responses from the academic library segment and hence the results and analysis maybe more skewed to the academic library segment. However the implications of this study could be extended to other type of libraries and facilitate library professionals to make software choices with respect to library automation. Originality/value – In addition to exploring the opportunities of OSS implementation in Indian libraries, the study includes issues related to migration, implementation, budget, training, etc. The study would have value for library professionals and OSS vendors to understand the Indian library market in the context of OSS.
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Sathawara, Virendra, Lakhaman Rathod, and Ganapathi Batthini. "Evaluation of EDII Institutional Repository Resources." Indian Journal of Information Sources and Services 9, S1 (February 5, 2019): 64–67. http://dx.doi.org/10.51983/ijiss.2019.9.s1.561.
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The EDII Library and Information Center a focal point for the budding entrepreneurs, practitioners, academicians and researchers for their information need on entrepreneurship and related subjects. The collection of the EDII LIC also includes the EDII’s Repository Resources, such as Institute Publications, Faculty Publications, Biennial Conference Proceedings, Journal of Entrepreneurship, Working Papers, etc. To provide easy access for the institutional repository resources, the EDII LIC has digitized its repository resources through an Open Source Software, DSpace. This paper deliberates evaluation of its Repository Resources.
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Li, Qiang, Wei Chen, and Ren He. "The New Measurement and Calculation Method for Dynamic Parameters of DC Motor Based on dSPACE System." Advanced Materials Research 562-564 (August 2012): 1496–500. http://dx.doi.org/10.4028/www.scientific.net/amr.562-564.1496.
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To investigate the accuracy of modeling DC motor, the platform for measurement and calculation dynamic parameters is built by the Hardware-In-the-Loop(HIL) method based on dSPACE system. The running state of DC motor has to be changed with adjustment of PWM duty-cycle using ControlDesk software. Having got measurement and calculation parameters value of DC motor, we compare the test results with simulation value using the model of DC motor with cascade control in Matlab/Simulink software according to the classical mathematical model. It confirms the established model of DC motor accurately and reliability using new parameters, which provides the basis of more complex control algorithms and also indicates that the feasibility and generalization application value of measurement and calculation method for DC motor.
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Roy, Bijan Kumar, Subal Chandra Biswas, and Parthasarathi Mukhopadhyay. "Designing web-scale discovery systems using the VuFind open source software." Library Hi Tech News 35, no. 3 (May 8, 2018): 16–22. http://dx.doi.org/10.1108/lhtn-12-2017-0088.
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Purpose This paper aims to provide an overview of the emergence of resource discovery systems and services along with their advantages and best practices including current landscapes. It reports the development of a resource discovery system by using the “VuFind” software and describes other technological tools, software, standards and protocols required for the development of the prototype. Design/methodology/approach This paper describes the process of integrating VuFind (resource discovery tool) with Koha (integrated library system), DSpace (repository software) and Apache Tika (as full-text extractor for full-text searching), etc. Findings The proposed model performs like other existing commercial and open source Web-scale resource discovery systems and is capable of harvesting resources from different subscribed or external sources replacing a library’s OPAC. Originality/value This discovery system is an important add-on to designing a one-stop access in place of the existing retrieval silos in libraries. This system is capable of indexing a variety of content within and beyond library collections. This work may help library professionals and administrators in designing their discovery system, as well as vendors to improve their products, to provide different library-friendly services.
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Patuk, Michail Ivanovich, and Vera Viktorovna Naumova. "Digital Geological Repository and Information on Stratigraphic Age (on the Example of DSpace)." Russian Digital Libraries Journal 24, no. 3 (July 15, 2021): 465–73. http://dx.doi.org/10.26907/1562-5419-2021-24-3-465-473.
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A new approach related to the extraction of terms of relative geological age from the metadata of scientific geological publications is described. Based on the developed and adapted approaches and technological solutions, a set of macros is implemented that implements the functions of searching, extracting and adding new metadata to scientific publications.
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Fan, Yunxin, Gang Yan, Huanqing Zou, and Jin Fu. "Development of Real-Time Simulation Application Software for Four-Quadrant Converter System Based on MATLAB." International Journal of Software Engineering and Knowledge Engineering 28, no. 04 (April 2018): 523–35. http://dx.doi.org/10.1142/s0218194018400090.
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For the real-time hardware-in-the-loop simulation of railway rolling stock electric drive system, the equation of equivalent circuit state is the most conventional modeling method. But this method will take up too many resources of real-time simulation system or is not easy to extend to other projects and difficult to adjust the variables on line. By taking the inductor, resistor, capacitor and converter in the equivalent circuit of four-quadrant converter system as the basic components, and using the Kirchhoff laws of voltage and current to combine the basic components, this paper established a new simulation model software based on MATLAB and realized real-time calculation based on dSPACE platform. In order to verify the feasibility and effectiveness of this model software, this author had finished a series of tests onboard and got enough experimental data to make a comparison with the results of the model software real-time calculation.
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Tramboo, Shahkar, Humma Humma, S. M Shafi, and Sumeer Gul. "A study on the Open Source Digital Library Software's: Special Reference to DSpace, EPrints and Greenstone." International Journal of Computer Applications 59, no. 16 (December 18, 2012): 1–9. http://dx.doi.org/10.5120/9629-4272.
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Mensou, Sara, Ahmed Essadki, Issam Minka, Tamou Nasser, Badr Bououlid Idrissi, and Lahssan Ben Tarla. "Performance of a vector control for DFIG driven by wind turbine: real time simulation using DS1104 controller board." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 2 (June 1, 2019): 1003. http://dx.doi.org/10.11591/ijpeds.v10.i2.pp1003-1013.
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<span>In this research paper we investigate the modelling and control of a doubly fed induction generator (DFIG) driven in rotation by wind turbine, the control objectives is to optimize capture wind, extract the maximum of the power generated to the grid using MPPT algorithm (Maximum Power Point Tracking) and have a specified reactive power generated whatever wind speed variable, the indirect field oriented control IFOC with the PI correctors was used to achieve such as decoupled control. To validate the dynamique performance of our controller the whole system was simulated using dSPACE DS1104 Controller board Real Time Interface (RTI) which runs in Simulink/MATLAB software and ControlDesk 4.2 graphical interfaces.</span>
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Geng, Guoqing, Qingyuan Shen, and Haobin Jiang. "ANFTS Mode Control for an Electronically Controlled Hydraulic Power Steering System on a Permanent Magnet Slip Clutch." Energies 12, no. 9 (May 8, 2019): 1739. http://dx.doi.org/10.3390/en12091739.
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There are various uncertain factors such as parameter perturbation and external disturbance during the steering process of a permanent magnet slip clutch electronically controlled hydraulic power steering system (P-ECHPS) of medium and heavy duty vehicles, which is an electronically controlled hydraulic power steering system based on a permanent magnetic slip clutch (PMSC). In order to avoid the immutable single assistance characteristic of a hydraulic power steering system, a PMSC speed-controlled model and P-ECHPS of each subsystem model were studied. Combined with non-singular terminal sliding mode and fast terminal sliding mode, an Adaptive Non-singular Fast Terminal Sliding (ANFTS) mode control strategy was proposed to control precisely the rotor speed of the PMSC in P-ECHPS, thus achieving better power control for the entire P-ECHPS system. The simulation results show that adaptive nonsingular fast terminal sliding mode control enables PMSC output speed to track the target speed. Compared with the non-singular terminal sliding mode control and the ordinary sliding mode control, the convergence speed has been improved by 66.7% and 84.2%, respectively. The rapid control prototype test of PMSC based on dSPACE (dSPACE is a development and verification platform based on MATLAB/Simulink software.) was carried out. The validity of the adaptive NFTSM algorithm and the correctness of the offline simulation results are validated. The adaptive NFTSM algorithm have better robustness and can realize variable assist characteristics and save energy.
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Moreno, Fernanda Passini. "Repositórios de dados de pesquisa na Espanha: breve análise." Encontros Bibli: revista eletrônica de biblioteconomia e ciência da informação 23, no. 53 (September 6, 2018): 52–63. http://dx.doi.org/10.5007/1518-2924.2018v23n53p52.
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A pesquisa aqui relatada investigou as características dos dados de pesquisa no cenário espanhol. Foram selecionados repositórios exclusivamente espanhóis registrados no diretório re3data.org a fim de identificar o uso de sistemas de informação/infraestrutura, a tipologia de dados e metadados relacionados, bem como as áreas mais representativas na disponibilização dos dados. Trata-se de pesquisa descritiva e qualitativa. Após a definição da amostra, foram analisados aspectos relacionados à distribuição de áreas de conhecimento, ao software utilizado, ao padrão de metadados e aos tipos de conteúdo. A amostra selecionada apresenta elementos representativos para fomentar discussões com a literatura: maior ocorrência da área de Humanidades e Ciências Sociais; utilização do DSpace como software e Dublin Core como padrão de metadados. As discussões finais e sugestões de estudos futuros incluem, entre outros aspectos, verificação posterior dos tipos de conteúdo presentes de fato nos repositórios registrados no diretório e a relação entre área de conhecimento, tipo de conteúdo e padrão de metadados.
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Henriyadi, Henriyadi. "ANALISIS PEMILIHAN APLIKASI REPOSITORI PUBLIKASI ILMIAH BADAN PENELITIAN DAN PENGEMBANGAN PERTANIAN." Informatika Pertanian 21, no. 1 (July 1, 2012): 41. http://dx.doi.org/10.21082/ip.v21n1.2012.p41-49.
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One ferm of scientific recognition indicators for research institution is the number of research articles in scientific publications (journals, proceedings) whether printed or digital form. Scientific publications are usually available in digital format and as a link to the website of each research center as publisher of the publication. Problems that occur with the digital form of scientific publications are difficulties for users to find information, because they have to search them on each research center web sites to obtain the topic. The study chose the appropriate application to integrate the scattered scientific publications into an Institutional Repository, therefore of the user would be easier to trace information and increased Indonesian Agency for Agricultural Research and Development (IAARD) scientific recognition. The method for selecting was adapted and modified from COTS-software-product framework and Analytical Hierarchy Process (AHP) multi criteria analysis. The result indicated that the best application for Repository IAARD scientific publication is DSpace Software.
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Satish, S. "Development of Institutional Repository Using DSpace at ICMR- National Institute of Epidemiology, Chennai, Tamil Nadu: An Overview." Asian Journal of Information Science and Technology 9, no. 2 (May 5, 2019): 96–102. http://dx.doi.org/10.51983/ajist-2019.9.2.268.
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Institutional repositories is converting the intellectual output of an institution to digital form. It contains collecting, archiving, preserving of Institute intellectual output in the digital form, as the archives are thesis, publications, reports, dissertation, teaching materials, presentations, video, images, photographs, printed material, newspaper clippings. ICMR-NIE has started its digital library service from 2015. This paper discusses the setup of a digital institute repository at ICMR-NIE using the open source software D-Space for the long-term preservation of the institutional materials. It benefits the institute by raising the institute’s profile for a broader dissemination, increased use, and enhances the Institute research materials to the staff, scholars, students and faculty members.
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Yang, Le, Kenny Ketner, Scott Luker, and Matthew Patterson. "A complete system for publishing music-related ETDs." Library Hi Tech 34, no. 1 (March 21, 2016): 151–63. http://dx.doi.org/10.1108/lht-10-2015-0096.
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Purpose – There is no proposed solution to address the unresolved issues of publishing music-related electronic theses and dissertations (ETDs) pertaining to technology availability, copyright, and preservation. The purpose of this paper is to propose a complete system, including technology development and publishing model, which addresses the existing issues of publishing music-related ETDs. The paper shares the practice of utilizing the system developed by Texas Tech University Libraries known as Streaming Audio and Video Experience (SAVE), and proposes it as a solution for other multimedia collections. Design/methodology/approach – The proposed system includes a technology solution and a publishing model. The technology solution, SAVE, contains an authenticated streaming multimedia player, a responsive-design user interface, and a web-based submission and management system. The publishing model combines a DSpace-based institutional repository (IR) with SAVE and preservation strategies. Findings – The integrated system of SAVE and DSpace-based IR expands the access of music-related ETDs and other multimedia collections to patrons, benefits the distance education students as well as the local students, facilitates professors’ classroom teaching, and helps to preserve physical multimedia items by avoiding check-outs. Originality/value – The SAVE solution resolves issues of publishing music-related ETDs, fulfills the local needs of publishing hundreds of music-related ETDs from the College of Visual and Performing Arts, and supports the publishing of other multimedia collections. The software will be released open source to the public for other universities’ use. The publishing model is also useful for those universities that intend to integrate an IR with the streaming player platform.
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OKAZAKI, TOKIO, KATSUSHI INOUE, AKIRA ITO, and YUE WANG. "SPACE HIERARCHIES OF TWO-DIMENSIONAL ALTERNATING TURING MACHINES, PUSHDOWN AUTOMATA AND COUNTER AUTOMATA." International Journal of Pattern Recognition and Artificial Intelligence 13, no. 04 (June 1999): 503–21. http://dx.doi.org/10.1142/s0218001499000306.
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This paper investigates the space hierarchies of the language classes for two-dimensional Turing machines (2-TM's), two-dimensional pushdown automata (2-PDA's) and two-dimensional counter automata (2-CA's) with small space. We show that (1) if L(n) is space constructible by a 2-TM, L(n) ≤ log n and L′(n) = o(L(n)), then strong 2-DSPACE(L(n)) – weak 2-ASPACE(L′(n)) ≠ ∅, (2) if L(n) is space constructible by a 2-PDA, L(n) ≤ log n and L′(n) = o(L(n)), then strong 2-DPDA(L(n)) – weak 2-ASPACE(L′(n)) ≠ ∅, and (3) if L(n) is space-constructible by a 2-CA, L(n) ≤ n and L′(n) = o(L(n)), then strong 2-DCA(L(n)) – weak 2-ACA(L′(n)) ≠ ∅, (4) where strong 2-DSPACE(L(n)) (strong 2-DPDA(L(n)), strong 2-DCA(L(n))) denotes the class of sets accepted by strongly L(n) space-bounded deterministic 2-TM's (2-PDA's, 2-CA's), and weak 2-ASPACE(L′(n)) (weak 2-ACA(L′(n))) denotes the class of sets accepted by weakly L′(n) space-bounded alternating 2-TM's (2-CA's). We also investigate the closure property of space-bounded alternating 2-PDA's and 2-CA's under complementation, and show that (1) if L(n) = o( log log n), then the class of sets accepted by L(n) space-bounded alternating 2-PDA's is not closed under complementation, and (2) if L(n) is space-constructible by a 2-CA, L(n) ≤ n and [Formula: see text], then the class of sets accepted by L′(n) space-bounded alternating 2-CA's is not closed under complementation.
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Go, Seok Jo, Chi Yen Kim, Min Kyu Park, Young Jin Lee, and Bin Yao. "Development of Exclusive Controller and HILS for Active Magnetic Bearing System." Applied Mechanics and Materials 241-244 (December 2012): 1365–69. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.1365.
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The active magnetic bearing system has been studied for long period. Comparing with long research history, the AMB application into industrial field is shown slowly for various causes. One of primary factor is to make up exclusive controller which can generate fast linear current output. Thus, this paper developed the exclusive AMB controller mounted high speed DSP which can operate so fast control calculation that improve system response ability. Especially, to consider the fusion of AMB system and control software, the development is conducted in HILS system with dSPACE from the beginning. Although HILS system is adopted, the developed ABM controller simplified the whole system and could make up optimized control algorithm promptly by measuring and applying the system gain and characteristics of them monitored by the HILS system in real time.
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Regulski, Roman. "Hysteresis modeling and investigations of a piezoelectric ring bender using Bouc-Wen model." MATEC Web of Conferences 252 (2019): 05009. http://dx.doi.org/10.1051/matecconf/201925205009.
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The paper describes theoretical and experimental investigation of applying Bouc-Wen model in displacement modeling of piezelectric ring benders. Under the increasing demand for more accurate position control systems, various hysteresis models appropriate for control purpose of mechanical systems have been proposed. Most of these models are based on phenomenological approach, for example: Prandtl–Ishlinskii or Krasnosel’skii-Pokrovskii and other, friction based like Maxwell-slip model. This paper presents a model described in analytical form, called the Bouc-Wen model, appropriate for position control purpose. Paper presents histeresis investigation results of Noliac CMBR05 ring bender under different voltages. Furthermore, article depicts how model was numerically implemented and investigated on dSpace Control System with Matlab Simulink Software for future research on real time position control with inverted hysteresis model.
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Srirahayu, Dyah Puspita. "State University’s Institusional Repository as a Storage for Civitas Academia Intelectul Property." Record and Library Journal 1, no. 1 (January 2, 2018): 59. http://dx.doi.org/10.20473/rlj.v1-i1.2015.59-67.
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Many works - works the academic community that has not been published so that the intellectual property of an educational institution is not widely known by the general public. Institutional repository created and used to manage the results of these works that can be accessed by all people. This study aimed to describe the institutional repository of high perguruang country in Java Timursebagai container to the intellectual academic community views of content, the software used unit that houses, and ratings on Webometrik. This study uses a quantitative approach with descriptive methods. The population used in this study are all the institutional repository of public universities in East Java, which already are online. The sampling technique is the total sampling. The results of this study found that 50% of state universities in East Java has an IR that can be accessed via the internet, 100% of existing IR content is scientific output, the software used various existing GDL, DSpace, Eprints and others, and IR state universities in Java East 66.7% was ranked in webometrik
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Srirahayu, Dyah Puspitasari. "State University’s Institusional Repository as a Storage for Civitas Academia Intelectul Property." Record and Library Journal 1, no. 1 (April 29, 2015): 59. http://dx.doi.org/10.20473/rlj.v1i1.77.
Full textAbstract:
Many works - works the academic community that has not been published so that the intellectual property of an educational institution is not widely known by the general public. Institutional repository created and used to manage the results of these works that can be accessed by all people. This study aimed to describe the institutional repository of high perguruang country in Java Timursebagai container to the intellectual academic community views of content, the software used unit that houses, and ratings on Webometrik. This study uses a quantitative approach with descriptive methods. The population used in this study are all the institutional repository of public universities in East Java, which already are online. The sampling technique is the total sampling. The results of this study found that 50% of state universities in East Java has an IR that can be accessed via the internet, 100% of existing IR content is scientific output, the software used various existing GDL, DSpace, Eprints and others, and IR state universities in Java East 66.7% was ranked in webometrik.
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Chakravarty, Rupak. "National ETD Repository Evaluation Using Web Analyzer." International Journal of Web-Based Learning and Teaching Technologies 14, no. 1 (January 2019): 54–68. http://dx.doi.org/10.4018/ijwltt.2019010104.
Full textAbstract:
ETDs are the Swiss-army-knife which has unearthed the shades of grey by bringing forth the until now hidden research to the forefront of the world. ETDs powered by open source software like DSpace, EPrints build up information ecosystem for effective storage and retrieval of theses and dissertations which take years of hard work to culminate. Such systems need to be evaluated as its purpose gets defeated if users find it hard to retrieve desired information from it. Webometrics involves the study of the web through which one can analyze the number of hyperlinks, type and structure of the hyperlinks, website usage and its effectiveness. The present article is an attempt to assess the performance of online portal of the national ETD repository of India by using Web Analyzer Test Score (WATS). It also highlights the status of Open Access (OA) ETD repositories with respect to other OA content like research papers, conference papers, etc. along with exploring the software used for Indian ETD Repositories. The overall score of the webometric analysis was found to be 6.4.
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Tsai, Nan Chyuan, and Rong Mao Lee. "Anti-Windup Compensation for Embedded Cylindrical-Array Magnetic Actuator." Applied Mechanics and Materials 110-116 (October 2011): 1491–97. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.1491.
Full textAbstract:
An Anti-Windup (AW) compensator is applied to the Embedded Cylindrical-Array Magnetic Actuator (ECAMA) to sustain the performance of spindle position regulation for milling machines under actuator saturation. Since ECAMA is a type of Active Magnetic Bearing (AMB), the maximum supplied coil current and the induced magnetic force are both limited by their extrema. Once the magnetic actuator is saturated, the required control input cannot be realized by the actuator as long as the magnitude of control input exceeds the upper limit of the actuator output. In this work, an AW compensator is therefore proposed and employed to compensate the output of PID controller to prevent saturation of ECAMA. By employing commercial software MATLAB/Simulink and signal processing interface, Module DS1104 by dSPACE, the efficacy of the AW compensation is practically verified by intensive experiments.