Speed Control Of Dc Motor Using Pwm Technique
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| Author | : Surajit Das Barman |
| Publisher | : LAP Lambert Academic Publishing |
| Total Pages | : 56 |
| Release | : 2012-06 |
| Genre | : |
| ISBN | : 9783659151354 |
Direct current (DC) motors have variable characteristics and are used extensively in variable-speed drives. DC motor can provide a high starting torque and it is also possible to obtain speed control over wide range. Why do we need a seed motor controller? For example, if we have a DC motor in a robot, if we just apply a constant power to each motor on a robot, then the poor robot will never be able to maintain a steady speed. It will go slower over carpet, faster over smooth flooring, slower up hill, faster down hill, etc. So, it is important to make a controller to control the speed of DC motor in desired speed. DC motor plays a significant role in modern industrial. These are several types of applications where the load on the DC motor varies over a speed range. These applications may demand high-speed control accuracy and good dynamic responses. In home applications, washers, dryers and compressors are good example. In automotive, fuel pump control, electronic steering control, engine control and electric vehicle control are good examples of these. In aerospace, there are a number of applications, like centrifuges, pumps, robotic arm controls, gyroscope controls and so on.
| Author | : Thinesh Kunasegeran |
| Publisher | : |
| Total Pages | : 52 |
| Release | : 2012 |
| Genre | : Microcontrollers |
| ISBN | : |
Direct current (DC) motor has already become an important drive configuration for many applications across a wide range of powers and speeds. The ease of control and excellent performance of the DC motors will ensure that it is widely used in many applications. This project is mainly concerned on DC motor speed control system by using microcontroller PIC 16F877A. Pulse Width Modulation (PWM) technique is used where its signal is generated in microcontroller. The program for PWM generation is written in C+ Language using MPLAB IDE software. It is programmed into the microcontroller using PIC Microcontroller Start-up Kit. Then the microcontroller is installed into the motor control circuit. The Microcontroller acts as the motor speed controller in this project. The PWM signal will send to motor driver to vary the voltage supply to motor to acquire desired speed. Besides, it also shows a graph of motor speed versus PWM dutycycle percentage to let the user monitor the performance of the system easily. Based on the result, the readings are quite reliable. Through the project, it can be concluded that microcontroller PIC 16F877A can control motor speed at desired speed efficiently by using Pulse Width Modulation signal.
| Author | : DUBEY GOPAL K |
| Publisher | : CRC Press |
| Total Pages | : 416 |
| Release | : 2002-06-13 |
| Genre | : Education |
| ISBN | : 9780849324222 |
Encouraged by the response to the first edition and to keep pace with recent developments, Fundamentals of Electrical Drives, Second Edition incorporates greater details on semi-conductor controlled drives, includes coverage of permanent magnet AC motor drives and switched reluctance motor drives, and highlights new trends in drive technology. Contents were chosen to satisfy the changing needs of the industry and provide the appropriate coverage of modern and conventional drives. With the large number of examples, problems, and solutions provided, Fundamentals of Electrical Drives, Second Edition will continue to be a useful reference for practicing engineers and for those preparing for Engineering Service Examinations.
| Author | : Muhammad Junaid |
| Publisher | : GRIN Verlag |
| Total Pages | : 12 |
| Release | : 2015-02-10 |
| Genre | : Science |
| ISBN | : 3656894221 |
Scientific Essay from the year 2015 in the subject Engineering - Power Engineering, grade: N/A, , course: Electrical Power Engineering, language: English, abstract: The aimed objective of this Research project is to control the speed and direction of brushless DC (Direct Current) motor, through RF (Radio Frequency) module. Microcontroller is the central part of this project which is controlling all the process i.e. checking for over current, under/over voltage and starting the auxiliary motor (for load sharing) in case of overloading etc. If the motor is having under or over voltage problems then it will automatically be stopped, to protect it from any damages. The process of speed control will be done by PWM (Pulse Width Modulation) technique. & lastly an advantage feature kept is the direction control of this motor.
| Author | : Nurul Atikah Nasir |
| Publisher | : |
| Total Pages | : 57 |
| Release | : 2012 |
| Genre | : Power electronic |
| ISBN | : |
The speed control of DC motors is very crucial in applications where the importance of precision and protection. Purpose of a motor speed controller is to take a signal representing the required speed and to drive a motor at that speed. Micro controller can provide easy control of DC motor. This project is about speed control system of DC motor by using micro controller and it is a closed-loop control system. Pulse Width Modulation (PWM) technique is used where its signal is generated in microcontroller which is the signal will send to motor driver to vary the voltage supply to control motor speed.
| Author | : W. Shepherd |
| Publisher | : Cambridge University Press |
| Total Pages | : 568 |
| Release | : 1995 |
| Genre | : Science |
| ISBN | : 9780521478137 |
This clear and concise advanced textbook is a comprehensive introduction to power electronics.
| Author | : Ali Emadi |
| Publisher | : CRC Press |
| Total Pages | : 909 |
| Release | : 2017-12-19 |
| Genre | : Technology & Engineering |
| ISBN | : 135183679X |
Initially, the only electric loads encountered in an automobile were for lighting and the starter motor. Today, demands on performance, safety, emissions, comfort, convenience, entertainment, and communications have seen the working-in of seemingly innumerable advanced electronic devices. Consequently, vehicle electric systems require larger capacities and more complex configurations to deal with these demands. Covering applications in conventional, hybrid-electric, and electric vehicles, the Handbook of Automotive Power Electronics and Motor Drives provides a comprehensive reference for automotive electrical systems. This authoritative handbook features contributions from an outstanding international panel of experts from industry and academia, highlighting existing and emerging technologies. Divided into five parts, the Handbook of Automotive Power Electronics and Motor Drives offers an overview of automotive power systems, discusses semiconductor devices, sensors, and other components, explains different power electronic converters, examines electric machines and associated drives, and details various advanced electrical loads as well as battery technology for automobile applications. As we seek to answer the call for safer, more efficient, and lower-emission vehicles from regulators and consumer insistence on better performance, comfort, and entertainment, the technologies outlined in this book are vital for engineering advanced vehicles that will satisfy these criteria.
| Author | : Norfadilah Zulkefli |
| Publisher | : |
| Total Pages | : 82 |
| Release | : 2012 |
| Genre | : Electric motors, Direct current |
| ISBN | : |
Direct current motor is an important drive configuration for many applications across a wide range of powers and speeds. It have variable characteristics and used extensively in variable-speed drives. The goals of this project are to control the direction and speed of Direct Current (DC) motor. The Radio Frequency (RF) modules also used to make this project as a user friendliness to control the interface yet make it more useful. This project divided into two part of circuit. First circuit is for transmitter and another circuit is for the receiver. Pulse Width Modulation (PWM) technique is used where its signal is generated by PIC 18F4550. The PWM signal will send to the motor driver to vary the voltage supply to the motor in a desired speed. The DC Motor driver L293D is used in this project as it is a component that has dual full bridge driver where it also can control the direction of the DC motor. A rotary encoder plate is coupled to the end of motor shaft to provide the feedback speed signal to the controller. The RF modules used here are NT-T10A for transmitter module and CWC-12 for the receiver module. Four push buttons are built at the transmitter side as switches to control the speed and direction of DC motor. The four switches are interfaced to the RF transmitter module through PIC 18F4550. 16 x 2 Liquid Crystal Display (LCD) Modules is added at receiving side. It functions to display the outputs or corresponding action that obtain from the PIC 18F4550. In conclusion, the direction and speed of DC motor can be controlled. Plus, this motor controller can be applied as a basis in roboting system, kid's toys and also industrial field.
| Author | : |
| Publisher | : |
| Total Pages | : 28 |
| Release | : 2015 |
| Genre | : Electric currents, Direct |
| ISBN | : |
| Author | : David Calcutt |
| Publisher | : Elsevier |
| Total Pages | : 417 |
| Release | : 2003-12-22 |
| Genre | : Technology & Engineering |
| ISBN | : 008047022X |
The 8051 architecture developed by Intel has proved to be the most popular and enduring type of microcontroller, available from many manufacturers and widely used for industrial applications and embedded systems as well as being a versatile and economical option for design prototyping, educational use and other project work.In this book the authors introduce the fundamentals and capabilities of the 8051, then put them to use through practical exercises and project work. The result is a highly practical learning experience that will help a wide range of engineers and students to get through the steepest part of the learning curve and become proficient and productive designing with the 8051. The text is also supported by practical examples, summaries and knowledge-check questions.The latest developments in the 8051 family are also covered in this book, with chapters covering flash memory devices and 16-bit microcontrollers.Dave Calcutt, Fred Cowan and Hassan Parchizadeh are all experienced authors and lecturers at the University of Portsmouth, UK. - Increase design productivity quickly with 8051 family microcontrollers - Unlock the potential of the latest 8051 technology: flash memory devices and16-bit chips - Self-paced learning for electronic designers, technicians and students
