EPHE 380 – Motor Control Final Exam Ian Haig V00711512 Scenario: Walking down a 45 degree slope with a surfboard under my left arm and a large mountaineering backpack on my back. I was walking down the trail to Sombrio Beach which is about a 1.5k hike down a steep trail to the ocean. I had a surfboard under my right arm‚ an axe in my left hand‚ and a large 40 litre hiking backpack fully loaded with supplies on my back. About half way down there is a left turn in the trail which has a declining
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READ MOREBrushless DC Motors are an important class of highly efficient electric motors. They are most frequently used in electric vehicles because of their high efficiency and high power density. They are also present in the small DC fans used in power supplies and CPU coolers. In order to discuss the Brushless DC Motor it is important to first have a basic understanding of the more common Brushed DC Motor which is present in many household items. The brushed DC motor consists of a rotor (the
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2.1 Motors use the effect of forces on current-carrying conductors in magnetic fields 2.1.1 The motor effect The motor effect is where a force acts on a current-carrying conductor in a magnetic field. The right hand palm rule is used to find certain properties: fingers point to magnetic field‚ thumb points in DC direction and palm points to direction of the force. 2.1.2 Factors affecting the force acting on the current-carrying conductor Forces are experienced by the electrons in the conductor
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information from http://www.researchandmarkets.com/reports/554957/ Tata Motors Limited - SWOT Analysis Description: The Tata Motors Limited - SWOT Analysis company profile is the essential source for top-level company data and information. Tata Motors Limited - SWOT Analysis examines the company’s key business structure and operations‚ history and products‚ and provides summary analysis of its key revenue lines and strategy. Tata Motors (or the company) is one of the leading automotive vehicle manufacturing
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Porter Analysis of the Zara Fashion Chain The Zara fashion chain‚ with 546 stores in 30 countries today ?from which 340 are outside Spain- and ?2914‚3 millions of total sales in 2002‚ is undoubtedly the group?s locomotive (Inditex‚ 2003). In 2002 it represented 33% of the group?s total stores‚ accounted for 72% of the group?s total sales and contributed to the holding?s total profits for ?540.4 millions (Inditex FY2002 Results Presentation‚ 2003). Moreover‚ Zara with 75-90 new stores within 2003
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Dao Tran MGMT405 12:30-1:45 Dr Yan Case #3 Tata Motors 1. What inspired Tata Motors to build the Nano? Why was there a need for an inexpensive car in India? The idea of Nano–The People’s Car was inspired by the middle class Indians who bought and transported their entire families on scooters. To most middle class families in India owing a car is a far cry. Rattan Tata‚ Tata Motor’s Chairman said that the tiny car is aimed at keeping the families of India’s growing middle class from having to travel
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Edwin Stanton Porter was born on April 21‚ 1870 in Pennsylvania. He had grown up with his parents Thomas Richard Porter and Mary Jane Clark. He had worked in the electrical field at first and began experiencing with electricity. He had worked with light bulb currents and telegraphs. In early 1890’s he had opened his own small business as a tailor‚ until 1893‚ when he had joined the Navy. He served there as an electrician and telegraph operator. With his help communications were improved. After a
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Case 2 Tata Motors 1. Describe the economic characteristics of the global motor vehicle industry. The 2008 financial crisis began in the American subprime mortgage crisis‚ eventually evolved into a global financial crisis. Most countries because of the impact of the financial crisis‚ leading to a sharp slowdown in consumer’s vehicle demand. Also‚ because of the financial crisis‚ the global motor vehicle industry experienced a full-scale market competition. Some small car companies to be phased
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been used by many people to understand more about a company’s structure and the method or plan used to run its business. In his book‚ Porter identified 5 external forces that will affect an industry or a market. The type of forces can help us to understand or to analyze how a company makes its profits‚ or how it could attract others to do business with. Porter also helps to identify the specific company’s competitor. We may use Porter’s competitive forces to analyze how it can have an impact
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Design of Induction Motors Introduction: Induction motors are the ac motors which are employed as the prime movers in most of the industries. Such motors are widely used in industrial applications from small workshops to large industries. These motors are employed in applications such as centrifugal pumps‚ conveyers‚ compressors crushers‚ and drilling machines etc. Constructional Details: Similar to DC machines an induction motor consists of a stationary member called stator and a rotating
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