drives have been employed in large grinding mills used in mining. The use of variable speed drives has allowed for the efficiency of the drive to be increased and also allows for a more flexible grinding process. The grinding mill drive’s speed and torque is varied depending on the characteristics of the ore they are grinding and on the quantity of ore within the mill. This allows for the grinding process to be flexible to changes in the process. The use of variable speed drives has also allowed
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Assignment Brief The six speed synchromesh gearbox is to be found in use in the transmissions of passenger cars and light commercial vehicles. Research and discuss the history and development of the six speed gearbox. You should also include and latest developments in manual transmission systems of light vehicles. The assignment should be of approximately 2000 words. Font used should be Times New Roman‚ size 12pt and line spacing of 1.5. Relevant diagrams and illustrations should also be included
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IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) ISSN: 2278-1676 Volume 3‚ Issue 6 (Nov. - Dec. 2012)‚ PP 41-48 www.iosrjournals.org Speed Control of Dc Motor Using Fuzzy Logic Technique 1 1‚ 2‚ 3 J. N. Rai‚ 2Mayank Singhal‚ 3MayankNandwani Department of Electrical Engineering‚ Delhi Technological University Abstract:This project uses FUZZY LOGIC TECHNIQUE in estimating speed and controlling it for DC motor. The rotor speed of the dc motor can be made to follow an
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oil you may want to open the hood and open the oil filler cap‚ this will help the oil drain faster because air can flow in the oil drains. Then you will need to locate the drain plug on the bottom of the oil pan. Next loosen the drain plug with a wrench or socket‚ counter- clock wise. You should also remove and replace the circular paper drain plug gasket. A metal washer can be re-used if in good condition. Be careful not to drop the plug in oil‚ if you do you can use a magnet to get plug out of
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proper equipment necessary and ensure proper safety before beginning the process. A. Consult your owner’s manual or your mechanic to find out the amount of oil and type of oil filter your car needs. B. You will need a jack‚ jack stands‚ a wrench‚ an oil drain pan‚ a funnel and of course the oil and oil filter. C. Use the jack to lift the car up so you are able to crawl underneath. 1. Use two jack stands to support the car after jacking it up. 2. Before you get underneath
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The Toyota Production System Introduction Today‚ automobile manufacturing is still the world ’s largest manufacturing activity. Forty years ago‚ Peter Drucker dubbed it "the industries of industries." After First World War‚ Henry Ford and General Motors ’ Alfred Sloan moved world manufacture from centuries of craft production (led by European firms into the age of mass production.) His production innovation was the moving assembling line‚ which brought together many mass-produced parts to create
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installation‚ to mitigate ineffieciencies caused by overmotoring in order to improve power factor. Upon the announcement of this change‚ the head of Hamilton ’s EE department conducted testing on motors from different manufactures and used starting torque as the deciding parameter‚ in order to define the specifications of a motor which could be used most economically. Is this just a "brush fire" or an important problem? *This is an important problem because Look at sales potential for DMC
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1. Where would you disconnect a chain? # a) At a bolted joint. b) At a spring clip joint. c) At an riveted joint. 2. How many strokes per minute should be used with a hacksaw? # a) 30 b) 55 c) 60 3. Unused holes in an electrical multi-pin connector should be a) fitted with pins # b) fitted with blanks c) left open 4. How many times can a locking plate be used? a) once‚ then discarded # b) indefinitely
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Couplings A coupling is a mechanical device used to connect two rotating shafts for the purpose of transmitting torque from the driver to the driven piece of rotating equipment. There are two basic classes of industrial couplings: rigid and flexible. Rigid couplings are not designed to allow for any misalignment. Flexible couplings can compensate for some misalignment. Flexible couplings also allow for shaft end-float‚ or end-play‚ which is the inclination of shafts to move back and forth across
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II. MECHANICAL STRUCTURE Both being internal combustion type diesel and gasoline engines can be considered as similar. Simply‚ both engines converts chemical energy into mechanical one by burning fuel. In combustion engines the combustion (explosion of fuel) occurs at combustion chamber with ‚ generally‚ help of oxidizer (air‚ another fluid‚ etc.). The output‚ high heat and pressure of the burning process is transfered to other components of the engines which expose pressure as a mechanical energy
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