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 motor in either XZ or YZ plane
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REV: MARCH 2‚ 2012 The Orthopedic Motor Market: Minnesota Micromotors‚ Inc. and Brushless Motor Technology Minnesota Micromotors‚ Inc. (MM)‚ based in Minneapolis‚ was a manufacturer of brushless‚ direct current (BLDC)1 motors used in orthopedic medical devices. Devices utilizing MM’s motors were typically used by orthopedic surgeons in large bone surgery‚ reconstructive surgery‚ trauma surgery‚ and sports medicine procedures. MM sold approximately 97‚000 motors a year and had a 9% share of the $137
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TITLE: MODELING AND SIMULATION PROPORTIONAL-INTEGRAL (PI) CONTROLLER FOR A DC MOTOR WITH IMPROVEMENT PERFORMANCE. SUMMARY This report is about a simulation study of modeling classical control technique of dc motor drive with improvement in proportional-integral (PI) control which is used closed-loop operation to control speed of motor. The speed regulator uses a PI controller in order to obtain the electromagnetic torque needed to reach the desired speed. Current controller controls the
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Increasing Capacity for Electric Vehicles at Ford Motor Company TABLE OF CONTENTS History 3-4 Current Operations of Typical Automobile Company 4-5 Historical Development of Automobiles 5 Future of oil 5 Alternative energy options for automobiles 5-6 Recommendation 7 Financial Impact 8-11 Conclusion 11 References 12 Appendix 13-14
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A Report Summer Internship-2013 (June 23‚ 2013- July 22‚ 2013) Topic: Study of machining & repairing of electrical motors‚ transformers‚ generators & other machines Submitted by: Amarjeet Kumar EEE/10/23 ACKNOWLEDGEMENT I am thankful to the NIT‚ Arunachal Pradesh to give
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start using electricity powered cars would not be so much of a change from our normal routine as people may seem to think And they’re already many people using these electrical cars one man mentioned That he uses The Corbin Sparrow (a single person electric vehicle) As his primary commute vehicle he has a 50mi. Total commute To and from work mostly freeway so not that much stop and go traffic but once he gets to work his batteries drained about 50 percent but because the car does not require a special
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Literature Review of Electric Vehicle Technology Yuling CAO S3445024 ABSTRACT In this paper‚ structure of electric vehicles is initially reviewed. Then electric vehicles propulsion system which consists of energy storage system‚ power electronic system and electric motor is reviewed in detail. Besides‚ performance of electric vehicles and advantages and disadvantages of this technology are also discussed. Key words: propulsion system‚ battery‚ converter/inverter‚ motor‚ battery. INTRODUCTION
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Stepper Motor Theory of Operation Stepper motors provide a means for precise positioning and speed control without the use of feedback sensors. The basic operation of a stepper motor allows the shaft to move a precise number of degrees each time a pulse of electricity is sent to the motor. Since the shaft of the motor moves only the number of degrees that it was designed for when each pulse is delivered‚ you can control the pulses that are sent and control the positioning and speed. The rotor of
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How to Make a Simple Electric Motor Energy comes in many forms. Electric energy can be converted into useful work‚ or mechanical energy‚ by machines called electric motors. Electric motors work due to electromagnetic interactions: the interaction ofcurrent (the flow of electrons) and a magnetic field. Problem Find out how to make a simple electric motor. Materials Needed D battery Insulated 22G wire 2 large-eyed‚ long‚ metal sewing needles (the eyes must be large enough to fit the wire through)
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is to use the electric motor instead of gasoline one. An electric car is a car that powered by an electric motor rather than a regular gasoline engine. There are several major differences between gasoline and electric cars. First of all‚ “the electric motor will replace the gasoline engine” (“How Electric”‚ 2004). Secondly‚ “the electric motor is powered by a controller” (“How Electric”‚ 2004). Thirdly‚ “the controller gets power from the rechargeable batteries” (“How Electric”‚ 2004). In
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