Local Motor Input from potential customers and car enthusiasts Community-help-> select the model to produce Create ideation contest Existing customer to bring new customer Involve customers to cars production->Customer assembles parts-> 60 hours of assembling- microfactory(local) Good ? Yes. Big players are bankrupt American market is moving to full-design and attentative No mass production->$50k (experimental) Are the designer customers? Are car enthusiasts customers? Do-it –yourself
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A DC motor is a mechanically commutated electric motor powered from direct current (DC). The stator is stationary in space by definition and therefore so is its current. The current in the rotor is switched by the commutator to also be stationary in space. This is how the relative angle between the stator and rotor magnetic flux is maintained near 90 degrees‚ which generates the maximum torque. DC motors have a rotating armature winding but non-rotating armature magnetic field and a static field
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The speed of an asynchronous motor rotating field and thus its rotor speed depends on the number of pairs of poles in the stator field .the rotor speeds n are lower than the table values by the amount of the relevant slip speed ns. Motors are designed with up to three stators windings‚ which have different number of pairs of poles. They can therefore run at up to pairs of poles. They can be in any desired ratio to one another. A pole-changing switch is used to changing poles for the desires speed
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GROUP 4 JULY 26‚ 2013 EE 4101 ENGR. KENNETH F. FAJILAN Reluctance Motor Introduction A reluctance motor is a type of electric motor that induces non-permanent magnetic poles on the ferromagnetic rotor. Torque is generated through the phenomenon of magnetic reluctance. There are various types of reluctance motor: Synchronous reluctance Synchronous reluctance motors have an equal number of stator and rotor poles. The projections on the rotor are arranged to introduce internal flux “barriers“
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AC Motors vs DC Motors DC Motors Prof. Dr. M. Zahurul Haq zahurul@me.buet.ac.bd http://teacher.buet.ac.bd/zahurul/ Department of Mechanical Engineering Bangladesh University of Engineering & Technology e316.eps ME 475: Mechatronics AC motors are smaller in size‚ reliable and less costly. AC motors run at fixed speed set by the line frequency. Easy speed‚ torque & direction controls in DC motors. DC motors are generally operate at lower voltages which makes these easier to interface with control
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ELECTRIC MOTOR CONTROLS Once the proper motor is selected‚ understanding the many various control devices available and their uses and limitations becomes an important part related to reliable operation and protection of the motor and the personnel using the motor. Motor Control Topics There are four major motor control topics or categories to consider. Each of these has several subcategories and sometimes the subcategories overlap to some extent. Certain pieces of motor control equipment can accomplish
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Table of Contents Executive Summary General Motors (GM) is one of the big three auto makers of the world (GM‚ Ford‚ and Chrysler) and has historically been the largest and most successful. They have built some of the most famous and classic vehicles on the road which have portrayed messages of both modesty and display of class for a market of consumers who range from working class to music superstar; as Alfred P. Sloan‚ CEO of the 1920s put it‚ GM makes “a car for every purse and
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Problem Definition John Bridges‚ the chief electrical engineer of Hamilton Oil Company‚ has concluded through motor testing that DMC competitors Spartan Motors and the Universal Motor Company of Canada offer the first and second choice motors on the market‚ respectively. DMC’s position as the third choice could prove quite detrimental to its market share because Hamilton is the largest active oil company in Canada‚ operating over 30% of producing wells‚ and Bridges is extremely influential in
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Running head: GENERAL MOTORS Assignment #5 General Motors DeAndre Daniels Strayer University Financial Management FIN 534 Dr. Ron 06-September-2011 Summary This report discusses General Motors Corporation‚ one of the largest auto manufacturers globally‚ manufacturing cars and trucks in 34 countries and its subsidiaries. This assignment is an analysis of General Motors Corporation’s financial stability. It is hoped that these findings illustrate the strengths and weaknesses of the
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Hyundai-motor-company-report PART 1: HYUNDAI MOTOR COMPANY REPORT Business Description Products and Brand: Hyundai Motor Company (hereafter‚ HMC) formed in 1967‚ was a part of the South Korean Chaebol - the Hyundai Group. In the last four decades‚ HMC managed to establish itself as a most prominent automaker producing reliable‚ technically sound and stylish automobiles and commercial vehicles. Headquartered in Seoul‚ South Korea‚ HMC opened a new chapter in the history of the
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