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E.g., 2017-02-28
E.g., 2017-02-28
E.g., 2017-02-28
Feb 20th 2017

This course introduces the basic concepts of switched-mode converter circuits for controlling and converting electrical power with high efficiency. Principles of converter circuit analysis are introduced, and are developed for finding the steady state voltages, current, and efficiency of power converters. Assignments include simulation of a dc-dc converter, analysis of an inverting dc-dc converter, and modeling and efficiency analysis of an electric vehicle system and of a USB power regulator.

Average: 7.3 (4 votes)
Feb 20th 2017

Seventy percent of kids drop out of sports before their high school graduation. Only 15% leave because they feel they are not good enough. Almost 70% leave because they were not having fun, or due to problems with the coach. Injuries cause 30% to give up sports. This course is packed full of practical sports science information that provide youth coaches and parents with the practical pediatric sports science insights to successfully retain young athletes and develop their sport potential while avoiding injury and overtraining.

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Feb 13th 2017

This course examines recent research to uncover the practical actions anyone can take to be a successful leader. Leadership; Identity, Influence and Power, examine the recent research in social psychology and business to provide you with the practical guidelines and actions that will help you develop and sustain your leadership. To understand why leadership is so popular a topic we begin with a close examination of the “Romance of Leadership” – the myths of leadership and the tendency to misattribute organisational outcomes to great leadership. We’ll also look at the history and underpinnings of much leadership theorising to understand the ideas of power, authority and charisma.

Average: 6.9 (21 votes)
Feb 6th 2017

Pour illustrer les concepts introduits dans la première partie, on traite ici des problèmes pour lesquels le système mécanique peut être considéré comme un point matériel. Cette partie couvre notamment les problèmes à traiter en coordonnées cylindriques ou sphériques, le problème des orbites des planètes et les référentiels accélérés.

Average: 6.5 (4 votes)