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MOHAMMED ASLAM HUSAIN DC Motor Control - A case study

FOUR QUADRANT DC MOTOR SPEED CONTROL WITH MICROCONTROLLER

Technik
Englisch
13091 Wörter
Ab 16 Jahren
172
0

In this book the four quadrant speed control system for DC motor has been studied and constructed. To achieve speed control, an electronic technique called pulse width modulation is used which generates high and low pulses. These pulses vary in the speed of the engine. For the generation of these pulses, a microcontroller is used. It is a periodic change in the program. Different speed grades and the direction are depended on different buttons. The experiment has proved that this system is higher performance. Speed control of a machine is the most vital and important part of any industrial organization. This paper is designed to develop a four-quad speed control system for a DC motor using microcontroller. The engine is operated in four quadrants ie clockwise, counterclockwise, forward brake and reverse brake. It also has a feature of speed control. The four-quadrant operation of the dc engine is best suited for industries where engines are used and as a requirement they can rotate in clockwise, counter-clockwise and thus apply brakes immediately in both the directions. In the case of a specific operation in an industrial environment, the engine needs to be stopped immediately. In this scenario, this system is very integral. The PWM pulses generated by the microcontroller are instantaneous in both directions and as a result of applying the PWM pulses. The microcontroller used in this project is from 8051 family. Push buttons are provided for the operation of the motor which are interfaced to the microcontroller that provides an input signal to itand controls the speed of the engine through a motor driver IC. The speed and direction of DC motor has been observed on digital CRO [mehr]

Stichwörter: DC motor, four quadrant operation, 8051 microcontroller, speed control of DC motor

9,99 €

Hemant Sharma Production Planning and Control

Business und Wirtschaft
Englisch
17871 Wörter
Ab 16 Jahren
143
0

Production Planning and Control draws on practitioner experiences on the shop floor, covering everything a manufacturing or industrial engineer needs to know on the topic. It provides basic knowledge on production functions that are essential for the effective use of PP&C techniques and tools. It is written in an approachable style, thus making it ideal for readers with limited knowledge of production planning. Comprehensive coverage includes quality management, lean management, factory planning, and how they relate to PP&C. End of chapter questions help readers ensure they have grasped the most important concepts. With its focus on actionable knowledge and broad coverage of essential reference material, this is the ideal PP&C resource to accompany work, research or study. [mehr]

Stichwörter: production planning, optimization, shop floor control

2,49 US$

Rittik Chandra The Power of Self Control

Ratgeber
Englisch
2749 Wörter
Keine Altersempfehlung
221
1

To most people self-control means the control of appearances and not the control of realities. This is a radical mistake, and must be corrected, if we are to get a clear idea of self-control, and if we are to make a fair start in acquiring it as a permanent habit. I am what I am by virtue of my own motives of thought and action, by virtue of what my mind is, what my will is, and what I am in the resultant combination of my mind and will; I am not necessarily what I appear from the outside. [mehr]

Stichwörter: Self Control, power, self, control, mind, meditation

4,99 US$

Anne Lück CONTROL

Belletristik
Deutsch
2 Wörter
Keine Altersempfehlung
615
9

Angelina, besser bekannt als Engel, ist 16 und wäre am liebsten einfach nur ganz normal. Doch seit ihrem 10. Lebensjahr hat sie eine merkwürdige Fähigkeit: Sie kann die Gedanken von Menschen manipulieren und ihre Erinnerungen verändern. Nur Engels bester Freund Marlon weiß von dieser Sache und dem Mädchen wäre es am liebsten, wenn das auch so bleiben würde. Aber wer sind diese seltsamen Männer mit den Sonnenbrillen? Was haben sie mit ihr vor? Und stimmt es wirklich dass es noch andere wie sie gibt? Ohne es zu wollen schlittert Engel mitten in eine Geschichte um sich, die Männer und die anderen Kinder hinein, immer auf der Suche nach dem Grund für ihre Fähigkeiten. http://www.facebook.com/control.Annelueck [mehr]

Stichwörter: Fantasy, Engel, Teufel, Gedanken, Freundschaft, Schatten, Liebe, Vertrauen, Erinnerungen, Gabe, Fähigkeiten

Kostenlos

Laura Patricia Kearney Mind Control

Philosophie
Englisch
2834 Wörter
Ab 14 Jahren
829
5

"Love is the voice under all silences, the hope which has no opposite in fear; the strength so [mehr]

Stichwörter: poetry, Perceptions, peter the roman, Philosophy, demons, angels, war, love, sci fi, living, matrix, avatar, mind control

0,00 US$

Kevin Chong Taking Back Control Of Your Life

Ratgeber
Englisch
13482 Wörter
Ab 16 Jahren
50
0

This Ebook serves as a guide to taking back control of our lives and live a life that [mehr]

Stichwörter: taking control of life, self-help

3,99 US$

Jason Heller Regal Pest Control

Heimwerken
Englisch
535 Wörter
Ab 16 Jahren
275
2

You might know by now that you need an integrated approach as well as a strategy for pest [mehr]

Stichwörter: Pest Control Larchmont NY, Exterminator Dobbs Ferry NY

Kostenlos

Silas Rhythm and Control

Drama
Englisch
3915 Wörter
Keine Altersempfehlung
447
4

A story of possibility and survival in a harsh and unfair world. When Acoatl is rescued by photographer Armand Andrews as she is left for dead by the rest of her fleeting tribe resisting attacks from the remaining indigenous and cruel police force she stumbles on a kind stranger willing to give her a hand and a push to a new world. She learns to follow her rhythm, like her mother always taught her and break the control of Armand, who finds himself in her world and being enveloped in a series of rhythms, desires and wilderness that he would've never otherwise witnessed. Unfinished. Please take a peek and send me your views. [mehr]

Stichwörter: Tribe, Wilderness, Compassion, Desire

Kostenlos

Alexandr Korol Attention Control | Alexandr Korol

Esoterik
Englisch
79672 Wörter
Ab 16 Jahren
3
0

You are the attention. When you have a wound your attention is stolen by the pain. There are some odors and scents that can steal your attention and distract you from work. Your attention is easily captured. Attention is energy. If you free up your attention you will become conscious and aware. If 100% of your attention will be directed towards the goal you will reach better results. While your attention is scattered on different thoughts, problems and while your attention is spent on social networks and such, and you have a goal in life, you will give only 10% of your attention to this goal, and at the end, you will get only 10% of the result. Attention is always focused on something, each and everyone has a different attention focus. Oftentimes people are so absent-minded that they can't remember where they have left something. And this is the problem with memory. Memory is directly related to attention. Attention control is everywhere, and everyone tries to steal your attention by any means possible. This book and the knowledge which I will share are meant not for your self-serving purpose, but for you to be protected from those who steal your attention. And if you are interested in meditation and how to turn on your chakras you will also find a few practical exercises in this book. For it is also the attention. Attention control is conscious awareness and freedom! [mehr]

Stichwörter: Spirituality, chakras, Attention, Alexandr korol

0,00 US$

Olala Suse King Under Control

Liebe
Deutsch
37742 Wörter
Ab 16 Jahren
1231
15

King Under Control "Oh ich könnte sterben für diese Dimsums!" Pat leckte sich geniesserisch über die Lippen und schloss dabei die Augen. Rüdiger betrachtete sie nachdenklich. Ob sie sich bewusst war wie sie auf Männer wirkte? Diese olle Kappe, die sie immer trug, hatte sie abgenommen und ein Schwall blonder Haare ergoss sich über ihre Schultern. Patricia war hübsch, aber sie stellte es nicht zur Schau. Meist trug sie abgewetzte Jeans, Shirts und eine Weste, nur einmal hatte er sie in einem Kleid gesehen. Das war der Abschlussball gewesen, da hatten alle anderen blöd geschaut, das er mit ihr hingegangen war. Sie hatten sich dann noch einen Spaß daraus gemacht den Anderen weiß zu machen das sie ein Paar waren. Nicht einen Tanz hatte er abgegeben, er musste grinsen als er sich erinnerte. Sie hatten sogar einen Kuss ausgetauscht, sich danach neutral angeschaut, gleichzeitig "Nichts" gesagt und gelacht. Jetzt waren sie schon so lange befreundet, er konnte es sich ohne Pat nicht mehr vorstellen. *Dieses Buch ist abgeschlossen* [mehr]

Stichwörter: Liebe, Romantik, Jacques, Patricia

Kostenlos

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