Research ArticleOpen accessIn the abstractSimulation, Design and Construction of High Voltage DC Power Supply at 15 kV Output Using Voltage Multiplier CircuitsN. Mariun, D. Ismail, K. Anayet et al.This study describes the details of high voltage DC power supply whose output voltage is 15 kV. In this study, we review the major aspects of the design of voltage multiplier circuits and constructed a prototype power supply based on simulation, design and implementation of the hardware works in the laboratory. Its simulation works done by using EMTDC PSCAD and … …American Journal of Applied Sciences, Vol. 3, Issue 12 · 31 Dec 2006 · 7,210 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Transformation-oriented Methodology to Knowledge-based Conceptual Data Warehouse DesignOpim S. Sitompul, Shahrul A. NoahApplications of artificial intelligence (AI) technology in the form of knowledge-based systems within the context of database design have been extensively researched particularly to provide support within the conceptual design phase. However, a similar approach to the task of data warehouse design has yet to be seriously initiated. In this paper, we proposed a design methodology for conceptual data warehouse … …Journal of Computer Science, Vol. 2, Issue 5 · 31 May 2006 · 6,735 accessesView PDFCite
Research ArticleOpen accessIn the abstractDeveloping a Secure Web Service Architecture for SVG Image DeliverySabah Mohammed, Jinan Fiaidhi, Hamada Ghenniwa, Marshall HahnWeb Services are substantially growing and become vital for businesses and organizations. A major concern, especially for mission-critical applications is Security. This study focuses on developing Scalable Vector Graphics (SVG) as Web services. In particular, we develop a service-oriented architecture that securely manages SVG Web services using the intermediary design pattern. In the proposed architecture we introduced two kinds of … …Journal of Computer Science, Vol. 2, Issue 2 · 28 Feb 2006 · 6,656 accessesView PDFCite
Research ArticleOpen accessIn the abstractLong Cycles in Employment, Inflation and Real Unit Wage Costs, Qualitative Analysis and Quantitative AssessmentPeter Flaschel, Goeran Kauermann, Timo TeuberThis study provided some theoretical foundations for the empirical hypothesis. At first presented two simple prototype models of inflation, stagflation and disinflation. We concluded that there are cycles with a phase length much longer than the ordinary business cycle (in fact approximately five times as long as we saw in the empirical phase plots of the paper) which are not … …American Journal of Applied Sciences, Vol. 2, Issue 13 · 18 Dec 2005 · 8,592 accessesView PDFCite
Research ArticleOpen accessIn the abstractAutomatic Discovery of Association Paths in Relational Databases Using Software VisualizationHaider Ali RamadhanWe introduce a visual framework for facilitating tasks associated with database maintenance and re-use. The prototype system embodying the framework is presented. The system utilizes various techniques and features of software visualization. The system supports visual displays of the database structure along with various implicit relationships found in it such as associations and path views. Information visualized is automatically extracted … …Journal of Computer Science, Vol. 1, Issue 3 · 30 Sep 2005 · 6,646 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Novel Video Surveillance System Based on Multimedia Messaging ServiceS. Chandramathi, N. Chandra Sekhar, M. G. AdarshToday’s communication world ensures that anybody can communicate to anyone anywhere anytime across the globe. The new mobile communication systems include not only voice but also data and video messages. Natural way to communicate is to send and receive messages. Multimedia messaging are essential drivers for continuous growth in new services beyond voice. In this study, multimedia messaging services available … …Journal of Computer Science, Vol. 1, Issue 2 · 30 Jun 2005 · 6,921 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Neural Network for Generating Adaptive LessonsHassina Seridi-Bouchelaghem, Toufik Sari, Mokhtar SellamiTraditional sequencing technology developed in the field of intelligent tutoring systems have not find an immediate place in large-scale Web-based education. This study investigates the use of computational intelligence for adaptive lesson generation in a distance learning environment over the Web. An approach for adaptive pedagogical hypermedia document generation is proposed and implemented in a prototype called KnowledgeClass. This approach … …Journal of Computer Science, Vol. 1, Issue 2 · 30 Jun 2005 · 7,274 accessesView PDFCite
Research ArticleOpen accessIn the abstractReal Time Hybrid Controller Implementation for Switched Reluctance Motor DriveS. Paramasivam, R. ArumugamThis study presents the real time hybrid controller implementation for a Switched Reluctance motor Drive. The developed hybrid control law consists of Proportional Integral (PI) controller at steady state, PI-type fuzzy logic controller (FLC) at transient state and a simple logic controller between steady and transient states to achieve desired performance at various operating conditions under soft chopping operation. The … …American Journal of Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2004 · 7,244 accessesView PDFCite
Research ArticleOpen accessIn the abstractProsthetic Knee Mechanism Using a Double Locking System as a Safety MeasureEicarl Saynes Vazquez, Esther Lugo GonzálezThe design of a four-link knee prosthesis mechanism with two locking systems activated during the flexion/extension phase is presented. The first is geometric, totally mechanical and activated by the user's weight. The second is variable and is activated automatically when walking on irregular or special surfaces is required. The links' dimensions were selected using the differential evolutionary optimization algorithm to … …Journal of Mechatronics and Robotics, Vol. 8, Issue 1 · 12 Feb 2024 · 5,706 accessesView PDFCite