motion control are called drives and employ any of the prime movers such as diesel or petrol engines gas or steam engines hydraulic motors and electric motors for supplying mechanical energy for motion control. Drives employing electric motors are known as Electrical drives. Fig 1.1 Block diagram of an Electrical Drive The advancement in electric drive system is very much related to the development in the power semiconductor devices technology. The introduction of the Silicon Controlled Rectifier
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The Challenge of Designing Electric Cars Dr. Tobias Giebel Tobias Giebel 博士 Sahnghai EXPO‚ May 2010 Contents 内容 • Introduction Group Research and Volkswagen Research Lab China (VRC) 大众汽车集团研发中心概况和大众汽车中国研究实验室(VRC)介绍 • Volkswagens Strategy for Powertrains and Fuel 大众汽车的动力总成及燃料战略 • Blue Motion Technologies 蓝驱技术 • Hybrid Technologies 混合动力技术 • Electrotraction 电驱动技术 • Hydrogen Technologies 氢技术 • Modular Toolbox 模块化设计矩阵 • Conclusion 结论 Dr. Tobias Giebel Tobias Giebel 博士 The Volkswagen Portfolio
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GENERAL ELECTRIC General Electric is a company who strives to put their best foot forward. For more then 120 years‚ General Electric has been number one in the products they sell. From airplane engines to light bulbs‚ their attitude has been admired not only in America‚ but worldwide. GE serves customers in more than 100 countries and employs more than 300‚000 people worldwide. After all GE has accomplished‚ including revenues of 152.4 billion dollars in 2004‚ the company still maintains
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2. Mohit Marria 3. Rajan Kumar Group Leader: Mohit Marria Date Of Completion(Tentative): 18th Oct 2013(Fri) Abstract The concept of restaurant online order management system‚ since it is android application‚ we will keep everything as simple as possible. The project consists in an Android application that can be used by employees in a restaurant to handle the clients‚ their orders and can help them easily find free tables or place orders. This application‚ created mainly for proof of
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The Future Is Electric‚ Not Oil-powered Cars Electric vehicles are a topic of great importance to the future of GM … and to the future of our country for that matter.. Over the last day and half‚ you’ve heard a number of interesting perspectives about how to address energy independence and climate change … and there are some great vehicles on display here that contribute to the solution to those issues. I’d like to talk about General Motors’ vision … and why we are also inspired to help
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Chapter 1 The History of Electric Transformer INTRODUCTION: Transformer is a device that transfers electric energy from one circuit to another‚ usually with a change in voltage. Transformers work only with a varying electric current‚ such as alternating current (AC). Transformers are important in the distribution of electric power. They raise the voltage of the electricity generated at a power plant to the high levels needed to transmit the electricity efficiently. Other transformers
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to let people know when to enter and also to research and learn more about parallel and series circuits. Introduction I am going to design an electric circuit for a Doctor’s surgery. There are two types of circuit’s Parallel circuit‚ and Series circuit. First I am going to explain what a circuit is and what the differences they have are. An electric current is a flow of charge. The charges are given energy and made of flow using a cell or a battery. Charges can flow easily through connecting
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The Electric Chair By Kevin M. Hunsberger HUMN532-Technology‚ Society‚ and Culture DeVry University 12/5/07 Table of Contents Introduction 2 Timeline of the Electric Chair 3 - 5 Electric Chair-Technology‚ Society‚ and Culture 6 - 9 Conclusions 10 Definitions and Notable People 11 -12 References 13 Introduction A picture of an electric chair strikes fear into the average American and being led into a room with only an electric chair sitting in the
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point charge q2 = 5.1 μC is located along the x-axis at a distance x2 = 9.3 cm from q1. 1) What is F12‚x‚ the value of the x-component of the force that q1 exerts on q2? -18.57 N For all of these problems we want to make use of the standard electric force equation: ̂ So for this problem with K=9*109 Nm2/C2‚ Q1=-3.5μC‚ Q2=5.1 μC‚ and r=9.3 cm we get F=-18.57 N. It’s important to realize that getting a negative force value means the charges attract. The direction of that attraction is determined
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Shawn Fiedler Westover Electric Problem MGMT 486 After organizing and looking at the Westover Electric data‚ I found there to be some trends in the data as for causes for the problems when looking at charts I made. After adding up the total defects in the month and organizing them by type there were three specific defects that accounted for 80.97% of the total defects. Going from most to least number of defects by cause‚ 31.17% happened from abraded wire‚ 25.51% from broken leads‚ 24.29% from
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