Using the underlying idea of the current-mode control, a new dynamical, sliding-mode control for the boost dc-dc converter is proposed. Such controller is easy to design, robust under load and input voltage variations, exhibits fast response, does not depend on…

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by Antoine D. Guivarch., Thesis (S.M.)--Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2003., Includes bibliographical references (p. 149-152).

by Eric Saund., Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1989., Includes bibliographical references (leaves 293-300).

There is no enough evidence about the effects of the new information and communication technologies (ICT) in Spain and how these ICT cause differences between regions. So, the aim of this work is to analyze the regional disparities relative to…

Problematic aspects of intercultural communication are considered in the context of: an increasingly internationalized market for higher education; the globalization of knowledge; the compatibility of distinct national higher education cultures; and the capacity for successful cross-cultural cooperation. This is exemplified…

Tennis is a sport that is characterized by intermittent dynamics, with intervallic moderate and high-intensity efforts due to repetitive actions of short-duration and high intensity. This review analyzes aspects such as the game's temporal structure, oxygen consumption, heart rate, lactate…

There is ever-greater interest in the use of web technologies such as blogs in higher education. This study was designed to identify the perceptions held by students regarding the process of learning and interacting with their co-students through using blogs…

Research on cysticercosis has gained much interest in many countries, epidemiology, especially, has been thoroughly studied in Latin American. The review of the information gathered from these studies allows suggesting that the knowledge of the epidemiology of cysticercosis may be…

This paper will undertake a critical review of a number of assumptions underpinning current thinking on understanding and supporting the internationalisation of the small and medium sized enterprise. The past twenty years has seen an explosion in academic research in…