The speed of dc motor is directly proportional to the voltage applied across its terminals. Speed control of a dc motor using microcontroller 8051 a project report submitted by s. A speed control of dc motor with pwm using microcontroller. Using the dc motor controller you can program the motion of the motor, i. Dc motor angular position control using pid controller. This tutorial is about dc motor speed control with a pic microcontroller using the pwm method.
Hey friends this is my 3rd year be project speed control of dc motorwhich i. Oct 29, 2018 pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. Mar 29, 2017 my first program is to control the dc motor speed using potentiometer, i have attached the circuit diagram and the code bellow. Pdf speed and position control of a dc motor using atmega328. Dc motor speed control using microprocessor technique intoduction.
Pdf speed control of dc motor using microcontroller. You are thinking that we can manage the speed or energy by using different type of resistor like variable resistor. Open your arduino software, copy and paste the source code given below in your software. The brushless dc motor is actually a permanent magnet ac motor whose torque current characteristics mimic the dc motor. Interfacing to a microcontroller is made easy by the integrated driver ic which. Dc motor control with pic16f877a and l293d proteus. Brushless dc motor control with hall sensors using infineon xc866 microcontroller application note 3 v1. Microcontroller based speed control of a dc motor using pwm. Im trying to create an embedded c code to control a dc motor with the pic32mx460f512l microcontroller. May 19, 2017 interfacing dc motor with pic microcontroller. The chopper is driven by a high frequency pwm signal. The practical application of l293d ic is l293d acts as an interfacing device dc motor interfacing with 8051 microcontroller by which we can control the speed and direction of the motor.
Dc motor speed control using arduino the engineering projects. Dc motors can only be controlled in phaseenable mode. Then the pwm pulse width modulation technique is most effective. I want the pwm to be controlled by a potentiometer. By interfacing dc motor to the microcontroller, we can control the direction of the motor, control the speed of the motor. Dc motors feature a speed, which can be controlled smoothly down to zero, immediately followed by acceleration in the opposite direction without power circuit. Jul 09, 2016 the best method for speed control of dc motor is the use of pulse width modulation technique. Pdf microcontroller based closed loop speed control of. I feel that i need the insulation because i read that this type of motor isnt designed to work at more than 3v arduino works at 9v if i have read correctly. Principle operation of brushless dc bldc motor 8 3. Speed control of dc motor using microcontroller free download as powerpoint presentation. The point of this paper is to illustration a speed controller of a dc motor by decision of a pid parameters using genetic algorithm gas, the dc motor is widely used as a part of various. Pwm based dc motor speed control using microcontroller.
Dc motor speed control with arduino in proteus isis. Most applications can simply use an output pin from the picmicro microcontroller to turn the mosfet on. This project is mainly focus on dc motor speed control system by using microcontroller pic 16f877a. Apr 17, 2017 designers can experiment with 8bit microcontroller based development kits to try out control regimes before committing on the design of a fullsize motor. The aim of this project is to control the speed and direction of a dc motor without using a motor driver ic. Sensored bldc motor control using pic16f877a ccs pic c compiler this topic shows an easy way to drive a cdrom sensored brushless dc motor bldc motor using pic16f877a microcontroller with ccs pic c code. Arockia edwin xavier thiagarajar college of engineering,electrical and electronic engineering madurai,tamil nadu email. Validation of dc motor speed control using pic 16f628a microcontroller is presented in this paper. Small dc motors ideal for use in applications were speed control is required such as in small toys, models, robots and other such electronics circuits. The below circuit shows interfacing l293d with pic microcontroller to control a dc motor. We will describe how to control motors with an arduino, but these principles can be used to control any type of actuator. Arduino is directly connected to pc through the usb cable and command is given to arduino on serial monitor of the arduino ide. The speed and direction in mainly applied in stator motor and wiper motor of 2 wheelers.
Dc motor speed control using arduino the engineering. Dc motor interfacing with 8051 microcontroller duration. A brushless dc motor is a dc motor turned inside out, so that the field is on the rotor and the armature is on the stator. There are numerous ways to control the speed of motor or fan. Speed control of dc motor using microcontroller 8051 pdf the aim of this project is to control the speed of dc motor in an electronic way i.
May 24, 20 motor supply is given to the vs pin of l293d and motor is connected to the first pair of drivers, which is enabled by connecting en1 to logic high. This article describes you, speed control of dc motor using 8051microcontroller with the help of bluetooth android controller. Pdf speed and direction control of dc motor without. If you continue browsing the site, you agree to the use of cookies on this website. Speed control of dc motor using pic microcontroller. Direction control of dc motor using arduino in proteus. Automatic speed controller of a dc motor using arduino. Science speed control of dc motor using microcontroller.
Here is a simple project on how to control fan or dc motor speed with microchip pic16f877 microcontroller. But many of the dc drives have an inbuilt microcontroller that provides programmable facilities, message display on lcd, precise control and also protection for motors. Also, to obtain more information on motor control peripherals and their functions, refer to the pic18f2331243143314431 data sheet ds39616. Speed control of brushless dc motor using microcontroller. But if we introduce the speed control of the motor, we can run the motor or fan at slower speeds under normal conditions and at higher speeds when required. Vdd and vss of the pic microcontroller is not shown in the circuit diagram. Using arduino microcontrollers to sense dc motor speed and. Interfacing dc motor with atmega32 avr microcontroller using. The objective of developing this project is to control the speed of dc motor. The aim of development of this project is towards providing efficient and simple method for control speed of dc motor using pulse width modulation technique. Direct current dc motor has already become an important drive configuration for many applications across a wide range of powers and speeds. There are many applications of dc motors, where we need a variable speed of dc motor.
So, we used pwm to supply limited amount of power to a load and by this we can manage the energy or speed of the dc motor with ease. The dc motor is very difficult to contr ol unlike the stepper motor, which can be controlled by giving the appropriate control word. The modulation of pulse width is obtained using pulse width generator in atmega16. The purpose of a motor speed controller is to take a signal representing the required speed, and to drive a motor at that speed. Speed control of a dc motor using microcontroller 8051 bachelor of technology in electrical and electronics engineering gokaraju rangaraju institutes of engineering and technology jntu hyderabad. Programming the pic16f877a microcontroller for speed control. A comparison of bldc with conventional dc motors 2 4. This paper is mainly concerned on dc motor speed control system by using microcontroller pic 16f877a. Dc motors need much more current than a microcontroller can provide, so it needs separate drivers. Sensored brushless dc bldc motor control with pic16f877a. Now as discussed before this ic has ability to change the direction of rotation of dc motor. Dc motor speed control using pwm with pic microcontroller. The aim of this project is to control the speed of a dc motor using the lpc2148 mcu with the help of a potentiometer. Todays project topic is dc motor speed control using microcontroller pic16f877a and we are sharing full project report of it.
Doc speed control of a dc motor using micro controller 8051. Later we will take a look at the circuit diagram of dc motor speed control using microcontroller. How to control dc motor speed using pwm on atmega32. Speed control of a dc motor using pic microcontroller with. Dc motor control with pic16f877a and l293d circuit. Apr 19, 2017 this video explains the procedure to control the speed of a dc motor using 8051 microcontroller. So this ic can be used to drive robots motors from the signals of microcontroller. But when it comes to controlling the speed using microcontrollers. Of these, dc motors are widely used because controlling a dc motor is somewhat easier than other kinds of motors.
Jun 16, 2015 the block diagram of four quadrant dc motor speed control with 8051 microcontroller project is shown in the above figure. A motor is another type of actuator, that creates motion. There are many applications of dc motor drives that use power electronics to control the voltage and consequently the speed or position of the motor. Dc motor interfacing with 8051 microcontroller using l293d. Pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. Here the dc motor is controlled by the microprocessor 8085.
We are going to use l293d motor driver ic to control dc motor movement in both directions. Dc motor speed control using 8051 microcontroller youtube. Hence, if voltage across motor terminal is varied, then speed can also be varied. Dc motor speed control using pic microcontroller pwm method. The dc motor control shield from infineon technologies is one of the first high. We can drive two dc motors with one l293d, in this example we are using only the first pair of drivers to drive one dc motor. Therefore, this system can get the high torque position and low speed by using geared dc motor to provide a feedback loop. Four quadrant speed control of dc motor with androidand. This looks simple but when this comes to applications it has to be more precise and accurate.
Pdf microcontroller based dc motor speed control using pwm. The controller presented here uses the pulsewidth modulation pwm technique. Control signals is given by using atmega32 microcontroller which operates at 5v, hence vss is connected to 5v. Four quadrant dc motor speed control with microcontroller. Two push button switches are provided to control the speed of the motor. Dc motor control with joystick and pic16f877a this is one project that im doing, now im going to show how to do it only for one motor, but im using and demux to in the future use 4 motor. Dc motor speed and direction control with pic16f877a and hbridge. Different dc motors need different voltages and operating high voltage motor from a low voltage controller is not a feasible option. The pwm wave for speed control is generated using atmel at89c52 microcontroller. For example, atmel has produced an inexpensive starter kit, the atavrmc323, for bldc motor control based on the atxmega128a1 8bit microcontroller. This is a very good project work for final year electronics and electrical students. Dc motor speed control using 8051 microcontroller mahesh madivali. In this example project dc motor is interfaced with pic microcontroller using l293d motor driver.
An905 ds00905bpage 2 2010 microchip technology inc. The pic16f72 was used in 15 in the control method for dc motor armature voltage control that involves the pulse width modulation pwm based on the hbridge motor circuit. C motor speed controllers are very useful for controlling the motion of robotic and industrial automation systems. Pdf microcontroller based speed control of a dc motor. L293d is an hbridge ic designed for driving low power dc motors and is shown in figure. Designers can experiment with 8bit microcontroller based development kits to try out control regimes before committing on the design of a fullsize motor. Pdf bidirectional speed control of dc motor based on. This is a method to control the output voltage with the of constant frequency switching and by adjusting on duration of switching and in other words by changing duty cycle of switching. How to control speed of dc motor using pulse width moduation and duty cycle, how to change speed using variable voltage. Dc drives provide great benefits to the dc motor such as control techniques, improved motor performance, system integration and reliability of the drive system which is a key component of dc motor speed control. Picmicro dc motor control tips n tricks microchip technology. Microcontroller based speed control of dc geared motor through.
Apr 10, 2017 speed control of dc motor using pic microcontroller. As shown in above figure we have connected two toggle switches on p1. Bakibillah and others published microcontroller based closed loop speed control of dc motor using pwm technique find, read and cite all the research you need on. Ive configured the system clock at 80mhz, and the peripheral clock at 10mhz, am using timer 1 for pulsing the pwm with a given duty cycle, and timer 2 for measuring the motor run time. Using the existing motor and improving on the drive is often the best option for industries. The project is simple, it uses the pic to control the demux and the demux control the hbridge that control the motor forward or backward.
Controlling dc motor using microcontroller pic16f72 with pwm. An4976, controlling a dc motor using the pwt module on kinetis e. The ease of control and excellent performance of the dc motors will ensure that the number of applications. This paper presents speed control of dc motor using an 8051 series microcontroller. Pulse width modulation used for motor control electronicstutorials. When using digital control, a pulsewidth modulated pwm signal is used to gener. Here are some of the features of this dc motor controller. Speed control unit designed for a dc motor using microcontroller. Request pdf a speed control of dc motor with pwm using microcontroller in hardware in loop this paper presents an implementation of a microcontroller based boost converter to maintain constant. When i move the potentiometer to max i can see the motor is spinning little fast. An899, brushless dc motor control using pic18fxx41 mcus. If you have worked with any variant of the 8051 microcontroller, you might remember that 8051 doesnt have a dedicated pwm circuitry to enable pwm mode. Speed control of dc motor using microcontroller 8051 pdf.
The picdem mc has a singlephase diode bridge rectifier, convert. Here we are using 12v dc motor and average dc value delivered to motor can be varied by varying the duty ratio of the pwm. Speed control of dc motor using pic microcontroller the. Following things should be taken into account while designing the. The ease of control and excellent performance of the dc motors will ensure that the number of applications using them will continue grow in future. This paper reports a microcontroller based control system to change the speed and direction of rotation of dc motor. For example, it has applications in electric cars, trucks, and aircraft.
Using the dc drive you can program the motion of the motor, i. There are many other applications of speed control of dc motor. Speed and direction control of dc motor using arduino. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering gokaraju rangaraju.
This motor is three phase motor, it has three stator phases that are excited two at a time to create. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Brushless dc motor control with hall sensors using. At89c51 based dc motor controller electronics for you. A microcontroller based speed control system consists of an electronic component and a microcontroller. Aug 06, 2014 doc speed control of a dc motor using micro controller 8051 1. The theoretical background model to show the direct relationship of voltage on the speed of dc drives in order to control the speed of a dc machine is discussed and presented. Speed control of dc motor with pc interface is an easy diy project. The best method for speed control of dc motor is the use of pulse width modulation technique. In order to eliminate the effect of any back emf, four diodes are connected across the collector and emitter of each transistor. Jul 20, 2015 speed control of dc motor using microcontroller using aurdino coding. Practical applications in which speed and direction of dc motor can be controlled by interfacing with 8051 microcontroller are discussed below. Microcontroller based dc motor speed control using pwm technique conference paper pdf available december 2012 with 14,260 reads how we measure reads. The l293d can provide bidirectional drive currents of up to 600ma at voltages from 4.
This paper uses the above principle to control the speed of the motor by varying the duty cycle of the pulse applied to it. Abstract dc motor control means direction and speed control of a dc motor. This ppt shows that the process to control the speed of a dc motor using micro controller. Brushed dc motor fundamentals microchip technology. Speed and direction control of dc motor is always a crucial process. Microcontroller based dc motor control jayshree sahu,s. In the circuit there are 3 push buttons, 2 for selecting the direction and the other one for stopping the motor. Armature voltage is varied by pulse width modulation pwm of input dc voltage. Dc motor speed control using microcontroller pic16f877a. Dc motor speed control using microprocessor technique.
The following topic shows how to control speed and direct of a dc motor using pic16f877a and hbridge circuit. Dec 27, 2011 edgefx provides the project kit which is designed a circuit that uses these unit in controlling the speed of a dc motor by using microcontroller 8051 series. Pdf microcontroller performance for dc motor speed control. Using pwm pulse width modulation to control a device is a common practice in embedded systems. The adaptive fuzzy controller designed and implemented in 1 is an alternative method of using microcontroller to control the speed of a dc motor. Interfacing dc motor with pic microcontroller using l293d. This ic consists two hbridges and so it can drive two dc motors. In this paper, implementation of the mc68hc11e9 microcontroller for speed control of dc motor fed by a dc chopper has been investigated. Bidirectional speed control of dc motor based on pulse width modulation using microcontroller article pdf available january 2015 with 7,585 reads how we measure reads. Dc motors are widely used in speed and direction control because control of these motors are easier than other motors. Nov 07, 2018 a dc motor is an inductive load and can produce back emf when we are changing the direction. When i move the potentiometer to zero i can see the motor is spinning little slow. In this project dc motors speed is controlled by sending the command through pc.
Speed control of dc motor without microcontroller sharp meg. Pdf microcontroller based dc motor speed control using. Hardware a picdem mc demo board was used to develop, test and debug the motor control code. A dc machine is designed and constructed in this work. Instead of commutating the armature current using brushes, electronic. Microcontrollerbased dc motor controller full electronics. I want to be able to adjust the speed of it using pwm. The microcontroller block is interfaced with dc motor using motor driver ic, the power supply block provides power supply to the project kit, and switch array.
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