Two push button switches are provided to control the speed of the motor. Implementation of the atmega8l microcontroller for speed control of dc motor fed by a dc chopper has been investigated. A dc brushless motor uses a permanent magnet external rotor, three phase of driving coils, one or more hall effect devices are used to sense the position of rotor, and the associated drive electronics. Timer5 value is useful in determining the speed of the motor. Dc motor speed control with arduino in proteus isis. With the help of pwm it is possible to control the average power delivered to a load and by thus we can easily regulate the speed of the dc motor.
You may think that a variable resistor in series with a dc motor can control its speed. Todays project topic is dc motor speed control using microcontroller pic16f877a and we are sharing full project report of it. At89c51 based dc motor controller electronics for you. Of these, dc motors are widely used because controlling a dc motor is somewhat easier than other kinds of motors. Nov 07, 2018 in this project, an arduino based speed and direction control of dc motor without using motor driver ic is designed. Stepper motor interfacing with 8051 microcontroller at89s52. 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. Direction control of dc motor using arduino in proteus. In many projects of embedded systems, we may need to control a dc motor using controller. Dc motor interfacing with 8051 microcontroller using l293d. 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. This switch array is used to send the control signals to the microcontroller which in turn sends commands to the. The main advantage in using a dc motor is that the speedtorque relationship can be varied to almost any useful form.
This ppt shows that the process to control the speed of a dc motor using micro controller. Dc motor speed control using arduino and potentiometer. For controlling the speed of dc motor you may need to use pwm modules. My first program is to control the dc motor speed using potentiometer, i have attached the circuit diagram and the code bellow. Pdf the dc motor speed controller using at89s52 microcontroller with stepper motor attached into potentiometer in variable regulated power supply had. To design the hardware of the controller to control dc motor speed. Measuring the speed and controlling the motor in closed loop is discussed in detail in the section closedloop control using hall sensors. By using pwm we can easily control the average power delivered to a load and by thus we can easily control the speed of the dc motor. Openloop control as seen in an885, bldc motors are electronically commutated based on the rotor position. Firstly an 8051 with the required software to control the motor and secondly a suitable driver circuit. Todays industries are increasingly demanding process automation in all sectors. Jul 09, 2016 the best method for speed control of dc motor is the use of pulse width modulation technique.
Dc motor speed control using pwm with pic microcontroller. Pwm based dc motor speed control using microcontroller. Generally stepper motor use 200 steps to complete 360 degree rotation, means its rotate 1. Speed control of dc motor without microcontroller sharp meg. For example you can control the speed of motor, you can control the direction of rotation, you can also do encoding of the rotation made by dc motor i. Pdf speed control of dc motor by using pwm technique. Programming the pic16f877a microcontroller for speed. Pdf microcontroller performance for dc motor speed. Interfacing dc motor with 8051 using l293d at89c51 keil c. Jul 20, 2015 speed control of dc motor using microcontroller 1. The pwm wave for speed control is generated using atmel at89c52 microcontroller.
Dc motor speed control using arduino the engineering projects. Speed control of dc motor using microcontroller katke s. For example, it has applications in electric cars, trucks, and aircraft. The main aim to design this paper is to develop a four quadrant speed control of a dc motor with the help of the microcontroller. Speed control of dc motor using microcontroller 8051. The fuzzy logic controller flc was also adopted in 16 for the control of the speed of brushless dc motors.
Speed control of dc motor with the help of at89s52 microcontroller vikash. Speed and direction control of dc motor using arduino. Open your arduino software, copy and paste the source code given below in your software. Dc motor when interfaced with a microcontroller, can control the speed of motor, can control the direction of rotation, can also do encoding of the rotation made by dc motor i. An899, brushless dc motor control using pic18fxx41 mcus. This tutorial is about dc motor speed control with a pic microcontroller using the pwm method. How to control the speed of brushless dc motor without. I already posted about interfacing dc motor with pic microcontroller. Automation results into better quality, increased production an reduced costs.
Microcontroller based dc motor speed control using pwm technique conference paper pdf available december 2012 with 14,158 reads how we measure reads. In our robotics applications we may have to control the speed of the dc motor. Aug 21, 20 dc motor speed control using pwm technique. Here are some of the features of this dc motor controller. A well designed 8051dc motor system has essentially two parts. Dc motor speed control using pic microcontroller pwm method. Microcontroller based speed control of a dc motor using. In this project we will be able to control the speed of dc motor with potentiometer and we can adjust the speed by rotating the knob of potentiometer. May 31, 2015 speed control of dc motor using at89c52 ic slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Interfacing dc motor to 8051 forms an essential part in designing embedded robotic projects. The motion of a dc motor is controlled using a dc drive. In this paper, to control the speed of dc motor using pulse width modulation pwm method. This paper reports a microcontroller based control system to change the speed and direction of rotation of dc motor. Speed control of dc motor using dc chopper has been investigated by y. Oct 29, 2018 pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. M2 1 electrical department, bmit, solapur, maharashtra, india 2 electronics engineering department, vvpit, solapur, maharashtra, india abstract direct current dc motor has already become an important drive configuration for many applications across a wide. Aug 25, 2015 speed of the dc motor is controlled using pulse width modulation pwm with at89c52 microcontroller. Pwm dc motor speed controller circuit using pic16f877a. The project stepper motor control illustrates the use of microcontroller and switching circuit to control the speed of stepper motor. M bashi hassan 7 has investigated the mc68hc11e9 microcontroller performance for dc motor speed control fed by dc chopper. Pdf microcontroller based dc motor speed control using.
When the dc motor is switched on, it takes certain time to reach the full speed. Speed of the dc motor is controlled using pulse width modulation pwm with at89c52 microcontroller. In this tutorial we will see how to control the speed of a dc motor using pulse width modulation. A well designed 8051 dc motor system has essentially two parts. In this project, implementation of the atmega16 microcontroller for speed control of dc motor fed by a l293d driver circuit has been investigated. Here is the detailed tutorial on stepper motor interfacing with 8051 microcontroller explained with circuit diagram and code. Jan 26, 20 in this tutorial we will see how to control the speed of a dc motor using pulse width modulation. When it comes to speed, weight, size, cost, dc motors are always preferred over stepper motor. For controlling the speed of dc motor we have various methods, but in this project we are controlling dc motor speed using pwm. As soon as the power supply is switched on, the dc motor starts gaining speed and if you. Speed control of dc motor using microcontroller free download as powerpoint presentation. May 19, 2017 interfacing dc motor with pic microcontroller. The coils are activated, one phase after the other, by the drive. Dc motors are widely used in speed and direction control because control of these motors are easier than other.
Dc drive changes the speed and direction of motion of the motor. Dc motor is the most used motor in robotics and electronics projects. The objective of developing this project is to control the speed of dc motor. The maximum current that can be sourced or sunk from a 8051 microcontroller is 15 ma at 5v. This is to certify that the work in the thesis entitled temperature controlled dc fan using microcontroller by ghana shyam soren, bearing roll number 111ee0236, and ram ashish gupta, bearing roll number. To achieve the speed control dac is used which generates voltages gradually according to.
Pdf microcontroller based dc motor speed control using pwm. Abstractdc motor control means direction and speed control of a dc motor. Speed control of dc motor using microcontroller arduino. The design showed good velocity tracking performance under both load and noload conditions. The project circuit for speed control of dc motor using microcontroller 8051 is shown in the figure below. The best method for speed control of dc motor is the use of pulse width modulation technique.
In industry dc motor is widely uses for speed control and load. The block diagram of four quadrant dc motor speed control with 8051 microcontroller project is shown in the above figure. This is to regulate the amount of energy produced by the machine and the amount of work required. This article shows how to interface a dc motor to an 8051 microcontroller. Dc motors are widely used in speed and direction control because control of these motors are easier than other motors. It is not good to connect dc motor directly to the microcontroller. The variable speed drives, which can control the speed of a. Using atmel at89s52 microcontroller generate the pwm wave for speed. Microcontrollerbased dc motor controller full electronics. Using pwm pulse width modulation to control a device is a common practice in embedded systems.
Upon ic interrupt, in the ic interrupt service routine, the status of all three input capture pins is read and the. 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. Controlling the pwm duty cycle is equivalent to controlling the motor terminal voltage. The below circuit shows interfacing l293d with pic microcontroller to control a dc motor. Microcontrollers can provide easy control of dc motor. Hence, we use transistors to form an hbridge to drive the motor. Speed control of dc motor using at89c52 ic slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Four quadrant dc motor speed control with microcontroller. Pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. Microcontroller based dc motor control jayshree sahu,s. Abstract dc motor control means direction and speed control of a dc motor.
There are many things which you can do with your dc motor when interfaced with a microcontroller. Different types of motorsac, dc, servo or stepperare used depending upon the application. Speed control ofdc motorusingmicrocontroller oral presentation on prepared by 1. Programming the pic16f877a microcontroller for speed control.
In some of the electronics projects you may want to control a dc motor with 8051 microcontroller. Arockia edwin xavier thiagarajar college of engineering,electrical and electronic engineering madurai,tamil nadu email. A dc motor cant be connected to a microcontroller as the output current of the microcontroller is very small and it cannot drive the motor. Stepper motor control using microcontroller at89c51. Using the dc motor controller you can program the motion of the motor, i. Interfacing dc motor to 8051 microcontroller using at89s51. Armature voltage is varied by pulse width modulation pwm of input dc voltage. The objective of this paper is to describe the principle of dc motor speed control using. Dc motor speed control using pwm with atmel 89c52 microcontroller. The chopper is driven by a high frequency pwm signal.
Stepper motor is brushless dc motor, which can be rotated in small angles, these angles are called steps. When the width of pulse is high, the motor will rotate with full speed. Dc motors are always preffered over stepper motors. Pdf microcontroller performance for dc motor speed control. Dc motor speed control using arduino the engineering. Embedded system of dc motor closed loop speed control. Abstract speed control of a machine is the most vital and important part in any. To control the speed of the dc motor, you need a variablevoltage dc power source. This project control the axial rotation in xy plane and to control the rotation of the motor in either xz or yz plane similar circuit can be added. Temperature controlled dc fan using microcontroller.
Speed control of dc motor using pic microcontroller the. Since the maximum current that can be sink from 8051 microcontroller is 15 ma at 5v. The l293d can provide bidirectional drive currents of up to 600ma at voltages from 4. Microcontroller based speed control of a dc motor using pwm. The main intention of this project is to control the speed of dc motor using 8051 microcontroller which can be achieved by interfacing dc motor with 8051. There are many applications of dc motors, where we need a variable speed of dc motor. When i move the potentiometer to zero i can see the motor is spinning little slow. Speed control of brushless dc motor using microcontroller. Apr 19, 2017 this video explains the procedure to control the speed of a dc motor using 8051 microcontroller. Here i have used l293 motor driver ic in order to drive the motor. If you continue browsing the site, you agree to the use of cookies on this website. When i move the potentiometer to max i can see the motor is spinning little fast. Apr 16, 2016 todays project topic is dc motor speed control using microcontroller pic16f877a and we are sharing full project report of it. This project is mainly focus on dc motor speed control system by using microcontroller pic 16f877a.
Circuit of microcontrollerbased dc motor speed controller. Microcontrollerbased dc motor speed controller open source for. Dc motor interfacing with pic microcontroller dc motors need much more current than a microcontroller can provide, so it needs separate drivers. 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. How to control dc motor speed using pwm on atmega32.
An899 ds00899apage 2 2004 microchip technology inc. In this example project dc motor is interfaced with pic microcontroller using l293d motor driver. Dc motor speed control using microcontroller pic16f877a. This is a very good project work for final year electronics and electrical students. Different dc motors need different voltages and operating high voltage motor from a low voltage controller is not a feasible option. Apr 10, 2017 speed control of dc motor using pic microcontroller. As a microcontroller is used to set the speed ranges which is done by changing the. The speed of dc motor can be varied by applying various techniques. The block diagram of stepper motor control using microcontroller. Speed control of dc motor using pic microcontroller. Speed control of separately excited dc motor and performance analysis by software simulation has been done. Bose school of engineering supreme knowledge foundation group of institutions mankundu,hooghly 2. Obviously with low pulse width, speed of motor gets reduced.
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