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. Next, there is created measuring stand consisting of bipolar stepper motor. Pc controlled stepper motor system using pic microcontroller. The 8 bit binary rate are controlled by an 8051 which in turn generates brm by a pi. 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. With a view to control the direction, speed, angle of rotation and bidirectional rotation of the shaft of a stepper motor, the stepper motor was interfaced with 8051 microcontroller through 8255 ppi ports and rotating the shaft by supplying the required data by executing 8051 assembly language programs. Pdf the electric drive systems used in industrial applications are. Dc motor speed control with arduino in proteus isis. Nov, 20 this design demonstrates the use of an at89c51 to control a dc motor using pwm. There are two microcontroller used for this project. The below circuit shows interfacing l293d with pic microcontroller to control a dc motor.
The objective of developing this project is to control the speed of dc motor. Armature voltage is varied by pulse width modulation pwm of input dc voltage. Apr 10, 2017 speed control of dc motor using pic microcontroller. The t89c51ac2 is an 8bit microcontroller based on the 8051 architecture. I want to control the speed of my 180v dc motor using 8051 microcontroller. Generally stepper motor use 200 steps to complete 360 degree rotation, means its rotate 1. This switch array is used to send the control signals to the microcontroller which in turn sends commands to the. Delay will depend on the speed of the motor you are using. It is suggested to read other sections within this website about bldc motor control and startup under project menu in order to have better understanding throughout this article. Observe the pulse train applied and motor voltage on the. Manufacturing plants in industries like chemical, pharmaceutical, plastic and textile, all require motion control. Dc motor speed control using arduino the engineering projects.
Aug 06, 2014 doc speed control of a dc motor using micro controller 8051 1. Currently, stepper motor has been used in several applications such as in antennas, telescope, hard disk drives, toys and in robotic ind. Stepper motors are widely used in industrial, medical, consumer electronics application. Microcontroller based vehicle speed control system. This ppt shows that the process to control the speed of a dc motor using micro controller. This article discusses about how to control bldc motor using an 8bit 8051 based microcontroller. A well designed 8051dc motor system has essentially two parts. Apr 19, 2017 this video explains the procedure to control the speed of a dc motor using 8051 microcontroller. Embedded system of dc motor closed loop speed control. This paper presents speed control of dc motor using an 8051 series microcontroller.
The servo motors are usually used in commercial and industrial applications. Servo motor interfacing with 8051 microcontroller at89s52. 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. At89c51 based dc motor controller electronics for you. This paper reports a microcontroller based control system to change the speed and direction of rotation of dc motor. Dc motor speed controll with pwm by 8051 microcontroller. Can any one suggest me that how to convert 5v dc output signals of controller into 180vdc signals for motor. 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. Direction control of dc motor using arduino in proteus. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering gokaraju rangaraju. Dc motor speed control with 805189c51,89c52 microcontroller. Interfacing dc motor to 8051 microcontroller using at89s51.
Speed control of dc motor using microcontroller 8051. Interfacing servo motor with 8051 circuit diagram 8mhz crystal is used to provide the required clock for 8051 microcontroller and 22pf capacitors are used to stabilize the operation of crystal. Optically coupled motor driver circuit interfaced with 8051 microcontroller. The speed of stepper motor has been controlled by the delay between consecutive pulses of stepper motor phases provided by microcontroller. With a view to control the direction, speed, angle of rotation and bidirectional rotation of the shaft of a stepper motor, the stepper motor was interfaced with 8051 microcontroller through 8255 ppi ports and rotating the shaft by supplying the required data. Speed control of stepper motor using 8051 microcontroller. A real time system is built using microcontroller 8051 the microcontroller is interfaced with hall effect sensor to impose restriction on speed. In this tutorial we are going to interface a servo motor to 8051 microcontroller at89s52. This design demonstrates the use of an at89c51 to control a dc motor using pwm. 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. Stepper motor is brushless dc motor, which can be rotated in small angles, these angles are called steps. Dc motor speed control using 8051 microcontroller youtube. The uln2003 ic and the l293d motor driver are used to drive the stepper motor as the controller cannot provide current required by.
Speed control of dc motor using microcontroller free download as powerpoint presentation. Motion control plays a vital role in industrial automation. And it may be a flatbelt application, flow control application or mixing of substances. Programming the pic16f877a microcontroller for speed. Speed control of dc motor using microcontroller arduino. Embedded system of dc motor closed loop speed control based on 8051 microcontroller. By implementing alarm system a good safety measurement has been taken. This tutorial is about dc motor speed control with a pic microcontroller using the pwm method. The best method for speed control of dc motor is the use of pulse width modulation technique. 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. Microcontroller based dc motor speed control using pwm technique conference paper pdf available december 2012 with 14,158 reads how we measure reads. The project stepper motor control illustrates the use of microcontroller and switching circuit to control the speed of stepper motor. Speed and position control of stepper motor using 8051.
The main loop is only writing to the motor bit for a very short period of time before committing to a read of the serial port, and that motor write leaves a 1 in the control port bit no matter what duty cycle was selected, so the motor should be left either running or stopped. Jul 09, 2016 the best method for speed control of dc motor is the use of pulse width modulation technique. A conventional cascade speed control system has been realized by liu zhijun 16. Motor speed control introduction and objectives in this lab you will control the speed of a motor.
Circuit of microcontrollerbased dc motor speed controller. Figure 1 shows the hardware setup, which is the same as for week 1 of lab 4. This article discusses about how to control bldc motor using an 8bit 8051based microcontroller. Open your arduino software, copy and paste the source code given below in your software. Many guys were asking here to show how to interface stepper motor to 8051 microcontroller. Speed control of dc motor using dc chopper has been investigated by y. The advantage of using a servo motor is that the angular position of the motor can be controlled without any feedback mechanism. This is a simple projecttutorial on how to control dc motor speed using 8051 89c51,89c52 microcontroller. Doc speed control of a dc motor using micro controller 8051. The maximum current that can be sourced or sunk from a 8051 microcontroller is 15 ma at 5v. Controlled rotation of the shaft of a stepper motor with 8051. Circuit of microcontrollerbased dc motor speed controller d c motor speed controllers are very useful for controlling the motion of robotic and industrial automation systems. Dc motor speed control using arduino the engineering.
Sensorless bldc and 8051based microcontroller rc and bldc. Microcontrollers can provide easy control of dc motor. The paper deals with stepper motor control using microcontroller atmega816pu. For example, it has applications in electric cars, trucks, and aircraft. The fuzzy logic controller flc was also adopted in 16 for the control of the speed of brushless dc motors.
Stepper motor interfacingcontrol using 8085 and 8051 stepper motor a stepper motor is a device that translates electrical pulses into mechanical movement in steps of fixed step angle. In this article, we are going to learn how to control the speed of a dc motor using the pulse width modulation of a pic microcontroller. Speed control of a dc motor using microcontroller 8051 a project report submitted by s. To achieve the speed control dac is used which generates voltages gradually according to. In this project, implementation of the atmega16 microcontroller for speed control of dc motor fed by a l293d driver circuit has been investigated.
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. Different types of motorsac, dc, servo or stepperare used depending upon the application. The controller presented here uses the pulsewidth modulation pwm technique. Stepper motor interfacing with 8051 microcontroller. Oct 29, 2018 pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. 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. Radu duma 17 implemented a real time control algorithm for digital motor control using stellaris lm3s8962 microcontroller. It is an enhanced version of the 89c51and incorporates many new features including the programmable counter array pca. The main advantage in using a dc motor is that the speedtorque relationship can be varied to almost any useful form. Science speed control of dc motor using microcontroller. The stepper motor rotates in steps in response to the applied signals. Dc motor interfacing with 8051 microcontroller using l293d.
This research work focuses on speed and position control of stepper motor using 8051 microcontroller. M bashi hassan 7 has investigated the mc68hc11e9 microcontroller performance for dc motor speed control fed by dc chopper. It is suggested to read other sections within this website about bldc motor control and startup under project menu in order to have better understanding throughout. Before you continue with this tutorial, you must read first. The aim of this paper is to control the speed of dc motor. Switch sw1 is used to change the direction of the dc motor. Programming the pic16f877a microcontroller for speed control. The block diagram of stepper motor control using microcontroller. Microcontrollerbased dc motor speed controller open source for. Pdf microcontroller performance for dc motor speed control system. The coils are activated, one phase after the other, by the drive. In the paper are mentioned two ways of control, namely fullstep mode and halfstep mode control.
F capacitor is used to provide the required power on reset por to the microcontroller. Control the speed and direction of a dc motor using 8051 microcontroller. Microcontroller based speed control of a dc motor using. Interfacing dc motor with 8051 microcontroller using l293d. Microcontroller based speed control system consist of electronic component, microcontroller and the lcd. Abstractspeed control of machine is the most vital and important part in any industrial organization. Dc motor speed control using pic microcontroller pwm method.
Arockia edwin xavier thiagarajar college of engineering,electrical and electronic engineering madurai,tamil nadu email. Microcontroller based speed control of a dc motor using pwm. In this project, i will show you how to generate a pwm signal using 8051 microcontroller and. Pc controlled stepper motor system using pic microcontroller is a system in which stepper motor position or angle is controlled through desk top computer or any laptop. Interfacing servo motor with 8051 microcontroller using keil. Since the maximum current that can be sink from 8051 microcontroller is 15 ma at 5v. Pulse width modulation pwm with pic microcontroller. Different speed control techniques of dc motor has been studied and compared by rohit gupta, ruchika lamba and subhransu. Stepper motor control using microcontroller at89c51. Speed control ofdc motorusingmicrocontroller oral presentation on prepared by 1. Firstly an 8051 with the required software to control the motor and secondly a suitable driver circuit.
Bose school of engineering supreme knowledge foundation group of institutions mankundu,hooghly 2. If you continue browsing the site, you agree to the use of cookies on this website. An899 ds00899apage 2 2004 microchip technology inc. Pdf speed control of dc motor using microcontroller. How to interface stepper motor with 8051 lab trainer kit. Controlled rotation of the shaft of a stepper motor with. Speed control of dc motor using pic microcontroller the. Interfacing servo motor with 8051 microcontroller using.
Microcontroller based closed loop speed control of dc motor using pwm technique. Interfacing stepper motor to 8051 electronic circuits and. In this paper we presented a new design to control thespeed of vehicles. Stepper motor interfacing with 8051 microcontroller at89s52. Speed control of brushless dc motor using microcontroller. 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. First we need to understand the working principle of servo motors. Embedded system of dc motor closed loop speed control based. Sensorless bldc and 8051based microcontroller rc and.
Currently, stepper motor has been used in several applications such as in antennas, telescope, hard disk drives, toys and in robotic industry. A well designed 8051 dc motor system has essentially two parts. An899, brushless dc motor control using pic18fxx41 mcus. 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. Pwm based dc motor speed control using microcontroller. Pdf microcontroller based dc motor speed control using pwm. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. Openloop control as seen in an885, bldc motors are electronically commutated based on the rotor position.
For stepper motor control it has to be used hbridge as well as amplifier in one module. Servo motor works on pwm pulse width modulation principal, means its angle of rotation is controlled by the duration of applied pulse to its control pin. This article shows how to interface a dc motor to an 8051 microcontroller. Interfacing dc motor to 8051 forms an essential part in designing embedded robotic projects. 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. 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. The pwm wave for speed control is generated using atmel at89c52 microcontroller. The design showed good velocity tracking performance under both load and noload conditions. It is not good to connect dc motor directly to the microcontroller. Four quadrant dc motor speed control with microcontroller. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and. Servo motor working and interfacing with 8051 microcontroller.
May 22, 20 interfacing servo motor with 8051 circuit diagram 8mhz crystal is used to provide the required clock for 8051 microcontroller and 22pf capacitors are used to stabilize the operation of crystal. This article is about interfacing stepper motor to 8051 microcontroller. Adc0831 gets the potentiometer value and the speed is controlled using pwm technique. In many projects of embedded systems, we may need to control a dc motor using controller. Jul 20, 2015 speed control of dc motor using microcontroller using aurdino coding. The project circuit for speed control of dc motor using microcontroller 8051 is shown in the figure below.
Speed control of dc motor using pic microcontroller. In some of the electronics projects you may want to control a dc motor with 8051 microcontroller. There are many applications of dc motors, where we need a variable speed of dc motor. The speed of dc motor is directly proportional to the voltage applied across. Pdf microcontroller based dc motor speed control using. Included in the programmable counter array are a 16 bit free running timer and 5 separate modules. The block diagram of four quadrant dc motor speed control with 8051 microcontroller project is shown in the above figure. Observe the pulse train applied and motor voltage on the osciloscope. Dc motor speed regulation with a pwm feed back system by. Speed control of dc motor using microcontroller 8051 pdf.
Stepper motor interfacingcontrol using 8085 and 8051. The l293d can provide bidirectional drive currents of up to 600ma at voltages from 4. But op says pressing a key either stops or runs the motor. A servo motor is one of the most commonly used motor for precise angular movement.
Practical applications in which speed and direction of dc motor can be controlled by interfacing with 8051 microcontroller are discussed below. Servo motor works on pwm pulse width modulation principal, means its angle of rotation. Doc speed control of a dc motor using micro controller 8051 1. Dc motor speed control using pwm of pic microcontroller. This article describes you how to control the dc motor using at89c51 controller or any variant of 8051 microcontroller. Timer5 value is useful in determining the speed of the motor.
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