cc o s ts u c t uoc t i o n onn rt r i n stEPPEr Motor controL usinG 89c51 MicrocontroLLEr Mandeep Singh Walia H ere’s a stepper motor controller based on 89C51 microcontroller to control the rotation of a DC stepper motor in clockwise and anti-clockwise directions. The controller is simple and easy-to-construct‚ and can be used in many applications including machine control and robotics for controlling the axial rotation in XY plane. A similar circuit can be added to control the rotation of the
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PEDESTRIAN CROSSING SPEED MODEL USING MULTIPLE REGRESSION ANALYSIS Mako C. DIZON Undergraduate Student Department of Civil Engineering Polytechnic University of the Philippines 13 Bayabas St.Anthony Taytay‚ Rizal 1920 Email: makolet10@yahoo.com Lyvan G. DE PEDRO Undergraduate Student Department of Civil Engineering Polytechnic University of the Philippines Mandaluyong City Dr. Manuel M. MUHI Faculty Department of Civil Engineering Polytechnic University of the Philippines Sta. Mesa‚ Manila Email:
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High Speed Rails Contents High Speed Rails 3 Chapter I - Introduction 3 I.1 Statement of the Problem 3 I.2 Question of the Study 3 I.3 Objective of the Paper 3 I. 4 Significance of the Study 4 Chapter II - Literature Review 4 II.1 Introduction and a Short Page of History 4 II.2 What is it exactly? A Definition 5 II. 3 What Are the Costs? 6 II. 4 Advantages of High-Speed Rails 8 II. 5 Disadvantages of High-Speed Rails 12 II. 6 Pollution 13 Chapter III – Methodology 18 Chapter IV
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ECET345 Signals and Systems Homework #4 Name of Student ______________________________ 1. A shiny metal disk with a dark spot on it‚ as shown in figure below‚ is rotating clockwise at 100 revolutions/second in a dark room. A human observer uses a strobe that flashes 99 times/second to observe the spot on the metal disk (a strobe is a flashing light whose rate of flashing can be varied). The spot appears to the human observer as if it is rotating slowly. Hint: This is equivalent
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that’s given to its consumer’s. And to make sure that the company’s information is protected one must establish a system that can manage the information as an asset. In this paper researched five articles detailing best practices in ensuring quality‚ speed‚ and flexibility in organization. Those practices are: Total quality management‚ mass customization‚ theory of constraints‚ kaizen (continuous improvement)‚ and reengineering. I also researched five articles detailing best practices in managing information
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In the article “Auto Liberation‚” by author Brent Knutson‚ he discusses his reasoning as to why “American speed limits are unnecessarily restrictive‚ but also they infringe on the personal freedoms of American citizens” (Knutson 620). In other words he claims that American speed limits violate our freedom. Knutson’s main argument is mostly based off of his experience while driving in Germany. “On Germany’s autobahns‚ people normally drive in excess of 80 miles per hour. Yet‚ these German superhighways
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located at the end of Chapter 1 for criteria 1-3.) 1. Create an argument map based on the influence diagram presented in Case 1.3 and complete all the criteria provided in the exercise‚ beginning with this claim: “The U.S. should return to the 55- mph speed limit in order to conserve fuel and save lives.” 2. Include in the map as many warrants‚ backings‚ objections‚ and rebuttals as possible. 3. Assume that the original qualifier was certainly; indicate whether the qualifier changes as we move from a
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A government is considering subsidising a series of high-speed rail lines in order to reduce short-haul air flights. To what extent might CBA be a useful method of evaluating this proposal? The Basic Economic Problem is that needs and wants are unlimited but resources are limited. Cost Benefit analysis (CBA) is a technique for assessing the monetary and social costs and benefits of a capital investment project over a given time period. It is by this method that we decide to which project proposal
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3G vs. 4G: Real-world speed tests Just how much faster is 4G‚ anyway? We compare Sprint’s 3G and 4G networks. By Brian Nadel December 15‚ 2010 06:00 AM ET22 Comments. What’s this?.Computerworld - Mobile workers who need always-on Internet access -- and who don’t want to rely on public Wi-Fi hot spots -- often turn to a cellular network for connectivity‚ using either a 3G-equipped notebook or an external 3G modem. Now carriers are touting faster fourth-generation wireless networks as the next phase
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Obtained Speed Reactions A. Response to Step Speed Command from Standstill‚ Rated Dormancy The drive is at first at stop with no store connected with the shaft. It presents recorded speed responses for speed references identical to 1000‚ 1500‚ 2000 and 2500 rpm. FL speed controller gives extraordinary speed response in each one of the cases. The response stays aperiodic for all the rate orders except for 1000 rpm‚ additionally‚ the settling time is all that much the same for all the speed references
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