The block diagram of four quadrant dc motor speed control with 8051 microcontroller project is shown in the above figure. Dc motor control with pic18f4550 and l293d proteus. Interfacing dc motor to 8051 microcontroller using at89s51. Speed control ofdc motorusingmicrocontroller oral presentation on prepared by 1. For example, it has applications in electric cars, trucks, and aircraft.
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. Microcontroller based dc motor speed control using pwm technique. The variable speed drives, which can control the speed of a. Pdf speed control of dc motor using microcontroller. C motors, are indispensable controlling elements in automation systems. This article is about interfacing of servo motor with 8051 microcontroller. It is not good to connect dc motor directly to the microcontroller. Mar 19, 2015 dc motor speed control using 8051 microcontroller. By interfacing dc motor to the microcontroller, we can do many things like controlling the direction of the motor, controlling the speed of the motor. This paper presents a design, simulation and implementation of pulse width modulation pwm speed control system of dc motor using microcontroller mcu.
Sep 22, 2018 by interfacing dc motor to the microcontroller, we can do many things like controlling the direction of the motor, controlling the speed of the motor. Simple analogue bidirectional dc motor speed control. Stepper motor interfacing with 8051 microcontroller. Interfacing dc motor with 8051 using l293d the dc motor is connected to the first pair of drivers and it is enabled by connecting en1 to logic high 5v. This is a simple projecttutorial on how to control dc motor speed using 805189c51,89c52 microcontroller. This topic shows how to control dc motor rotation direction and speed using pic18f4550 microcontroller and l293d motor driver chip. In many projects of embedded systems, we may need to control a dc motor using controller. Firstly an 8051 with the required software to control the motor and secondly a suitable driver circuit. Apr 19, 2017 this video explains the procedure to control the speed of a dc motor using 8051 microcontroller. Pdf microcontroller performance for dc motor speed control system. Embedded system of dc motor closed loop speed control. As we have discussed earlier that proteus is a really good simulation software for beginners and 8051 is the most basic among all microcontroller so this can be a very. The maximum output current of microcontroller pin is 15ma at 5v.
In this application note we will see how a module can be programmed to perform as a pwm to control the speed and direction of a dc motor. Interfacing dc motor with 8051 microcontroller using l293d. Instead of commutating the armature current using brushes, electronic. Speed control of a dc motor using microcontroller 8051 a project report submitted by s.
What are the best ways to control the speed of dc motor. The t89c51ac2 has several special function registers sfrs that are unknown to asm51 versions before 2. L293d is a dual hbridge motor driver, so with one ic we can interface two dc motors which can be controlled in both clockwise and counter clockwise direction we can control speed of each dc motor by giving pwm to enable pin. Download dc motor direction control proteus simulation. By varying the width of this pwm wave, we can control the speed of dc motor.
There are many applications of dc motors, where we need a variable speed of dc motor. A pot is used to control motor speed and two pushbuttons are used to control rotation direction. I have connected only one motor and used the enable pin to contol the. A bluetooth modem is used to receive direction commands and pwm commands.
This switch array is used to send the control signals to the microcontroller which in turn sends commands to the. Interfacing dc motor with 8051 using l293d at89c51 keil c. Microcontroller based speed control of dc geared motor through. Pdf bidirectional speed control of dc motor based on. Dc motors feature a speed, which can be controlled smoothly down to zero, immediately followed by acceleration in the opposite direction without power circuit. In this chapter, speed control of a dc motor using pulse width modulation pwm technique is described. In this project user can use switches to controll speed of ac motor and led display is provided to show the current speed. Arockia edwin xavier thiagarajar college of engineering,electrical and electronic engineering madurai,tamil nadu email. The pwm wave for speed con trol is generated using atmel at89c52 microcontroller. Speed control of dc motor using pulsewidth modulation. The uln2003 ic and the l293d motor driver are used to drive the stepper motor as the controller cannot provide current required by. 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.
Speed control of dc motor using pic microcontroller. Speed control of dc motor using microcontroller arduino. Radu duma 17 implemented a real time control algorithm for digital motor control using stellaris lm3s8962 microcontroller. Jul 20, 2015 speed control of dc motor using microcontroller using aurdino coding. In this section of dc motor projects, i will provide you the list of the tutorials in which i have already controlled the speed of the dc motor using. Dc drive changes the speed and direction of motion of the motor. This paper presents a novel transformer based dctoac multilevel. We are going to use l293d motor driver ic to control dc motor movement in both directions. Practical applications in which speed and direction of dc motor can be controlled by interfacing with 8051 microcontroller are discussed below. Speed control of dc motor using pic microcontroller the. Pwm based dc motor speed control using microcontroller.
L293d has output current of 600ma and peak output current of 1. It is an enhanced version of the 89c51and incorporates many new. Dc motor speed and direction control with pic16f877a and hbridge. Lets interface dc motor with at89s52 microcontroller and control the dc motor speed by using speed increment switch and speed decrement switch connected to microcontroller port and direction by using direction switch. Below are some tweaks we did for rotating the dc motor clockwise, anticlockwise and. Interfacing lcd with 8051 8bit converting integer to characters in ansi c. If you want to control speed enable pin is connetcted to the pwm pin of microcontroller. The uln2003 ic and the l293d motor driver are used to drive the stepper motor as the controller cannot provide current required by the motor. Generally, a dc motor consists of either an electromagnet or a permanent magnet and a wounded coil known as the armature.
Stepper motor control using 8051 microcontroller principle the main principle of these circuits is to rotate the stepper motor step wise at a particular step angle. In 8051 microcontroller, the timers are used to generate the pwm. This ppt shows that the process to control the speed of a dc motor using micro controller. This article shows how to interface a dc motor to an 8051 microcontroller. The following topic shows how to control speed and direct of a dc motor using pic16f877a and hbridge circuit. Pulsewidth modulation pwm or dutycycle variation methods are commonly used in speed control of dc motors. As soon as the power supply is switched on, the dc motor starts gaining speed and if you. Interfacing dc motor to 8051 forms an essential part in designing embedded robotic projects. Hello friends here is a proteus simulation of speed control of dc motor with the help of pulse width modulation pwm control, pwm signals are generated by 8051 microcontroller. Complete matlab code, after editing it for dc motor control, is given at the end of this project.
Direct current is applied to the armature by means of a carbon brush or by means of electromagnetic induction. When the dc motor is switched on, it takes certain time to reach the full speed. Pd60312b 1022014 irmcf311 dual channel sensorless motor control ic for, motor integrated power factor correction control supports both interior and surface permanent magnet, twochannel analog output pwm embedded 8bit high speed microcontroller 8051 for flexible io and, channels 6 a. Speed control of brushless dc motor using microcontroller. The block diagram of the dc motor control system in this work is shown in fig. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and.
Roda, kushare and bansidhar 15 to control the e speed of dc motor. Dc motor control with pic16f877a and l293d proteus simulation. As we have discussed earlier that proteus is a really good simulation software for beginners and 8051 is the most basic among all microcontroller so this. The pic16f877a microcontroller is programmed to generate two periodic pwm signals from its. The duty cycle is defined as the percentage of digital high to digital low plus digital high pulsewidth during a pwm period. The motion of a dc motor is controlled using a dc drive. Dc motor interfacing with 8051 microcontroller using l293d. This tutorial is about dc motor speed control with a pic microcontroller using the pwm method. It is a closedloop control system in which a 40 pin 8 bit cmos flashmic microcontroller chip pic16f877a shown in fig. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering gokaraju rangaraju. Four quadrant dc motor speed control with microcontroller.
A conventional cascade speed control system has been realized by liu zhijun 16. Dc motor speed control using pic microcontroller pwm method. The brushless dc motor is actually a permanent magnet ac motor whose torque current characteristics mimic the dc motor. Programming the pic16f877a microcontroller for speed. Microcontrollerbased dc motor speed controller open source for. Since the maximum current that can be sink from 8051 microcontroller is 15 ma at 5v. Aug 06, 2014 doc speed control of a dc motor using micro controller 8051 1. To control the speed of the dc motor, you need a variablevoltage dc power source. Pdf bidirectional speed control of dc motor based on pulse. Science speed control of dc motor using microcontroller. In this paper, implementation of the mc68hc11e9 microcontroller for speed control of dc motor fed by a dc chopper has. You will learn how to interface and control this motor using 8051 microcontroller. The pwm wave for speed control is generated using atmel at89c52 microcontroller. If you continue browsing the site, you agree to the use of cookies on this website.
They are used to operate remote control toy cars, airplanes or robots. To control the speed of the dc mo tor, you need a variable voltage dc. Of these, dc motors are widely used because controlling a dc motor is somewhat easier than other kinds of motors. Speed control of dc motor using microcontroller free download as powerpoint presentation.
May 24, 2017 download dc motor direction control proteus simulation. Dc motor speed control with 805189c51,89c52 microcontroller. In the circuit there are 3 push buttons, 2 for selecting the direction and the other one for stopping the motor. For this dc motor is interfaced to the 8051 microcontroller. Dc motor control with pic16f877a and l293d circuit. Todays industries are increasingly demanding process automation in all sectors. He has 8 years of experience in customer support, operations and administration. Mar 04, 2018 stepper motor control using 8051 microcontroller principle the main principle of these circuits is to rotate the stepper motor step wise at a particular step angle. The best method for speed control of dc motor is the use of pulse width modulation technique. Bose school of engineering supreme knowledge foundation group of institutions mankundu,hooghly 2. Jun 16, 2015 the block diagram of four quadrant dc motor speed control with 8051 microcontroller project is shown in the above figure. 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. Jul 09, 2016 the best method for speed control of dc motor is the use of pulse width modulation technique.
Single phase ac motor speed controller with project report. Speed control of dc motor using microcontroller 8051 pdf. This article describes you how to control the dc motor using at89c51 controller. Tarun agarwal is the chief customer support officer at edgefx technologies pvt ltd. Microcontroller based closed loop speed control of dc motor using pwm technique. Speed control of dc motor by pwm in proteus simulation. This system dc motor controller by android is developed to control the speed of the dc motor in both clockwise and anticlockwise direction. Most of the dc motors have power requirements well out of the reach of a microcontroller and more over the voltage spikes produced while reversing the direction of rotation could easily damage the microcontroller. Pdf speed control of dc motor by using pwm technique.
Embedded system of dc motor closed loop speed control based. On this page you can read or download speed control of servo motor using microcontroller in pdf format. Doc speed control of a dc motor using micro controller 8051 1. If you dont see any interesting for you, use our search form on bottom v. May 05, 2016 the following topic shows how to control speed and direct of a dc motor using pic16f877a and hbridge circuit. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Dc motor speed control using 8051 microcontroller youtube. At89c51 based dc motor controller electronics for you.
Dc motor control tutorials the engineering projects. This article describes you how to control the dc motor using at89c51 controller or any variant of 8051 microcontroller. Another set up consisted of half bridge rectifier consisting of thyristor wherein the speed control for the same dc motor was carried. Hey friends this is my 3rd year be project speed control of dc motorwhich i. 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. Pdf microcontroller based dc motor speed control using. 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. Single phase ac motor speed controller project will explain you what exactly is needed to make control a real world device using our well known 8051 microcontroller. Dc motor interfacing with 8051 microcontroller duration. Automation results into better quality, increased production an reduced costs. Programming the pic16f877a microcontroller for speed control. The t89c51ac2 is an 8bit microcontroller based on the 8051 architecture. Servo motors are used in robotics, embedded systems and industries because they are very precise and reliable. Different types of motorsac, dc, servo or stepperare used depending upon the application.
A well designed 8051dc motor system has essentially two parts. This is a simple projecttutorial on how to control dc motor speed using 8051 89c51,89c52 microcontroller. 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. 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.
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