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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Influence 4 THE WASHING MACHINE 5 The evolution of the modern Washing machine 5 Benefit and Value 8 Influencers 9 Consumer Behaviour 10 Design 10 Shape 11 Colour and Generational issues 12 Innovation Challenges 13 Branding 15 Target Market 15 Differentiation 16 Brand Appeal 16 Conclusion 17 Bibliography 18 Abstract The paper introduces the concepts of MDI and reviews how Marketing Innovation and design have influence the present day washing machine. It traces the invention
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ELECTRICAL MACHINES 2 MARKS UNIT-I - SYNCHRONOUS RELUCTANCE MOTOR 1. What is synchronous reluctance motor? A reluctance motor is a type of synchronous electric motor which induces non-permanent magnetic poles on the ferromagnetic rotor. Torque is generated through the phenomenon of magnetic reluctance. 2. Define the characteristics of synchronous reluctance motor. The synchronous reluctance motor is not self starting without the squirrel cage. During run up it behaves as an induction motor but as it
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Maria Montessori Institute High School Section “Man and Machine” Third Dimension English: Anna Glenning María Fernanda Mira Wong 4th Semester “A” May 24th‚ 2013 In this project I’ll talk about an invention that came to me interesting‚ which is the bicycle. The project will develop the impact it has had on society and how life changes since the invention. To begin with‚ it’s important to know that bicycles are vehicles for human transport that have two
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Bombay have a rest house worthy of the name?” – Bombay Saturday Review‚1865 • India Cements • Tatas gave India its first cement manufacturing unit to which was added Shahabad cement in 1926‚ both these and other cement companies were merged in 1936 to form Associated Cement Companies (ACC). • Tata Power • Pioneered the generation of electricity in India with the commissioning of India’s first large hydro-electric project in 1915 in Bhivpuri and Khopoli‚ Karjat. 3 1903: India’s first luxury hotel
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Ward-Leonard Motor Generation System Introduction: A control system generally controls‚ regulates‚ and updates its output continuously based on present inputs‚ nature of the system‚ and the past outputs. In other words‚ there is a feedback mechanism that is inherent in the system‚ and is called a closed loop control system. For example‚ adding an emitter resistance to a common emitter amplifier‚ results in a negative feedback mechanism in the amplifier system – if the output current increases
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“Darwin among the Machines‚” 46 years before Forster (whose story‚ “The Machine Stops‚” was published 107 years ago). It is hard to believe that two stories with a similar tone could have been written so long ago. What is even more incredible is that they both seem to relate to present day society. How could two people (both from a time when technology was in its infancy) could write stories that could have been written about our time or even in our near future? The concept that machines will surpass
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BALANCING OF ROTATING MACHINES The first thing to be explored to control vibrations is to try to alter the source so that it produces less vibration. This method may not always be feasible. Some examples of the sources of vibration that cannot be altered are earthquake excitation‚ atmospheric turbulence‚ road roughness‚ and engine combustion instability. On the other hand‚ certain sources such as unbalance in rotating or reciprocating machines can be altered to reduce the vibrations. This can
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IN COMPANY TRAINING REPORT On “MARKETING STRATEGY OF YAMAHA PRODUCTS” at YAMAHA MOTORS INDIA PVT. LTD. Faridabad. Submitted in partial fulfillment of the requirement of Bachelor of Business Administration (BBA)‚ Guru Jambheshwar University of Science & Technology‚ Hisar. Training Supervisor: Submitted By: Mr. A. C. Yadav Rahul Rao B. B. A. 3rd Yr. Enrollment No.: 06511120036 Session : 2008-09 [pic] Directorate of Distance
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1)Introduction A machine tool is a powered mechanical device‚ typically used to fabricate metal components of machines by machining‚ which is the selective removal of metal. Machine tools can be operated manually‚ or under automatic control. Early machines used flywheels to stabilize their motion and had complex systems of gears and levers to control the machine and the piece being worked on. Soon after World War II‚ the numerical control (NC) machine was developed. NC machines used a series
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