Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This motor is three phase motor, it has three stator phases that are excited two at a time to create. 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. Pdf speed control of dc motor using microcontroller. This project is designed using pic16f877a microcontroller and zero crossing detection circuit. At89c51 based dc motor controller electronics for you. 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 control. In this tutorial we will see how to control the speed of a dc motor using pulse width modulation.
Interfacing dc motor with 8051 microcontroller using l293d. This system will be able to control the dc motor speed at desired speed regardless the changes of load. This paper reports a microcontroller based control system to change the speed and direction of rotation of dc motor. In our robotics applications we may have to control the speed of the dc motor. Dc motor speed control using pic microcontroller pwm method. Openloop control as seen in an885, bldc motors are electronically commutated based on the rotor position. When we talk about controlling the robot, the first thing comes into the mind is controlling dc motors.
Dc motor interfacing with 8051 microcontroller using l293d. This paper is mainly concerned on dc motor speed control system by using microcontroller pic 16f877a. A pic based speed control scheme has been developed, in which l293d is used as an interface between motor and microcontroller. Two push button switches are provided to control the speed of the motor. 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. Using the dc drive you can program the motion of the motor, i. Here, the motor driver input pins in1, in2 are connected to the p3. Oct 29, 2018 pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. Following things should be taken into account while designing the. Also, to obtain more information on motor control peripherals and. In this project dc motor is interfaced with pic micro controller by means of l293d motor driver. Most of the robotics applications need to control speed of dc motors. Genetic algorithm based speed control of pmdc motor using low. 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.
Pulsewidth modulation pwm or dutycycle variation methods are commonly used in speed control of dc motors. The adaptive fuzzy controller designed and implemented in 1 is an alternative method of using microcontroller to control the speed of a dc motor. Open your arduino software, copy and paste the source code given below in your software. 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. The speed of the dc motor in turn is decided by the armature input. Speed digital control of brushless dc motor using dspic controller this paper presents the digital control of the brushless dc motor bldcm speed. Refer to the microchip application note, an885, brushless dc bldc motor fundamentals ds00885, for working principles of brushless dc motors and basics of control. The microchip name and logo, the microchip logo, accuron. The duty cycle is defined as the percentage of digital high to digital low plus digital high pulsewidth during a pwm period. In this paper, implementation of the mc68hc11e9 microcontroller for speed control of dc motor fed by a dc chopper has been investigated. Pic microcontroller speed control project requirements. Pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. Ac power control with thyristor using pic microcontroller. Closed loop control for a brushless dc motor using pic.
The objective of this paper is to describe the principle of dc motor speed control using. Sivanandana aelectrical engineering department, national institute of technology calicut673601, india accepted 02 july 20, available online 01 august 20, vol. Aug 06, 2014 doc speed control of a dc motor using micro controller 8051 1. Speed control of dc motor using capturecomparepulse. Dc motor speed control using arduino the engineering projects. Thyristor is used as a switch to control flow of power. Apr 16, 2016 todays project topic is dc motor speed control using microcontroller pic16f877a and we are sharing full project report of it. Apart from these techniques, pulse width modulation is the effective way to implement motor speed control. Later we will take a look at the circuit diagram of dc motor speed control using microcontroller. Speed control of a dc motor using microcontroller 8051 a project report submitted by s.
Speed control of brushless dc motor using microcontroller. Interfacing dc motor to the microcontroller is very important concept in. The scope of this project includes using mplab ide. I already posted about interfacing dc motor with pic microcontroller. This drive is often used in safety critical applications because a short circuit cannot turn the motor on.
The simplest type of motor, to drive, is the brushed dc motor. Dc motor speed control with pic18f4550 and ccs pic c dc motor interface with pic18f4550 microcontroller it is easy to control the speed of a dc motor using pic18f4550 microcontroller since this microcontroller has a ccp module to generate a pwm signal, and by varying the duty cycle of the pwm signal the power delivered to the motor will also. 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. Dc motor speed control with pic18f4550 and ccs pic c. Pdf microcontroller performance for dc motor speed control. Interfacing dc motor with pic microcontroller using l293d.
May 19, 2017 interfacing dc motor with pic microcontroller. Dc motor speed control using arduino uno circuit digest. Programming the pic16f877a microcontroller for speed. Dc motors need much more current than a microcontroller can provide, so it needs separate drivers. Closed loop control for a brushless dc motor to run at the exactly entered speed is a system that controls the bldc brushless dc motor speed according to the user defined speed. Microcontroller based speed control of a dc motor using. The motor cannot commutate the windings switch the current flow, so the control circuit and software must control the current flow correctly to.
Bose school of engineering supreme knowledge foundation group of institutions mankundu,hooghly 2. The dspicdem mc1 development system with the dspic30f6010a microcontroller and the dspicdem mc1l power module, manufactured by microchip company, were used. Mar 29, 2017 im a newbie started using arduino with lot of dreams, to be true im not good in electronics but having so much eager to do something with arduino. Speed control of dc motor using pulsewidth modulation.
In this project dc motors speed is controlled by sending the command through pc. 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. These are dual hbridge motor drivers, ie by using one ic we can control two dc motors in both clock wise and counter clockwise directions. Ac power control with thyristor using pic microcontroller project is designed to control ac power flow across load. Apr 10, 2017 speed control of dc motor using pic microcontroller. To manage the speed of motor we are using to different type of button. Microcontroller based speed control of a dc motor using pwm. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and. Speed control of dc motor using pic microcontroller. Dc motor, brushed dc motor, pic, microcontroller, esc, embedded. Arduino is directly connected to pc through the usb cable and command is. Apr 05, 2016 dc motor speed control using pic microontroller.
Jul 20, 2015 speed control of dc motor using microcontroller using aurdino coding. As soon as the power supply is switched on, the dc motor starts gaining speed and if you. 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. Arduino is directly connected to pc through the usb cable and command is given to arduino on serial monitor of the arduino ide.
Products available are 8, 16 and 32bit mcus and dscs, analog and interface products, 3phase bldc drivers and development tools. My first program is to control the dc motor speed using potentiometer, i have attached the circuit diagram and the code bellow. Sep 22, 2018 in this project, we will learn about l293d and l298n motor drivers and also about interfacing dc motor with 8051 microcontroller with the help of both l293d and l298n. The objective of developing this project is to control the speed of dc motor. Phase angle control method is used for ac power control with thyristor. Speed control of dc motor using pic microcontroller the. Now as discussed before this ic has ability to change the direction of rotation of dc motor. Doc speed control of a dc motor using micro controller 8051.
In controlling the speed of a brushed dc motor, there are two costeffective. In the interfacing dc motor with pic microcontroller article, we learnt how to interface a dc motor with pic microcontroller using hbridge circuit constructed from four mosfet transistors or using a motor controller chip like the l293l293d. Jul 09, 2016 the best method for speed control of dc motor is the use of pulse width modulation technique. Here are some of the features of this dc motor controller. The disadvantage of utilizing a microcontroller in system design is the somewhat large size of the implementation. Using pwm pulse width modulation to control a device is a common practice in embedded systems. In many projects of embedded systems, we may need to control a dc motor using controller. An onoff switch is provided on the waist harness to control the start and stop of the hand movement and is connected to the 8051 microcontroller to control the motor movement. Each commutation sequence has two of three phases connected. How to control dc motor speed using pwm on atmega32. Speed control of dc motor using microcontroller free download as powerpoint presentation.
In this tutorial we will see how to control the speed of a dc motor using pulse width modulation pwm. 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. The chopper is driven by a high frequency pwm signal. We have dc motors in toys, irrigation pumps, robotics, drills and in many applications. In the interfacing dc motor with pic microcontroller article, we learnt how to interface a dc motor with pic microcontroller using hbridge circuit constructed from four mosfet transistors or. The microcontroller is programmed to control the 12v dc motor movement. Dc motor and fan speed control using pic16f877 microcontroller. When i move the potentiometer to zero i can see the motor is spinning little slow. How to control speed of dc motor using pulse width moduation and duty cycle, how to change speed using variable voltage.
Armature voltage is varied by pulse width modulation pwm of input dc voltage. Arockia edwin xavier thiagarajar college of engineering,electrical and electronic engineering madurai,tamil nadu email. This drive can control a brushed dc motor in one direction. Direction control of dc motor using arduino in proteus. In other words, this system runs the motor at 25%,50% or 75% of the total speed when user set this percentage of.
The project circuit for speed control of dc motor using microcontroller 8051 is shown in the figure below. Position and speed control of brushless dc motors using. Dc motor speed control using pwm of pic microcontroller mikroc. 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. Pdf microcontroller performance for dc motor speed. Dc motor is connected to output terminals of l293d.
Motion control of pi positioning systems with dc motor. The brushless dc motor is a synchronous electric motor that, from a. The control of bldc motors can be done in sensor or sensorless mode, but. Pwm based dc motor speed control using microcontroller. The purpose of a motor speed controller is to take a signal representing the required speed, and to drive a motor at that speed. Microchip provides motor control and drive solutions for brushless dc bldc, brushed dc, steppers, ac induction and more. Pwm is the best and easy way to control speed of dc motors. Different dc motors need different voltages and operating high voltage motor from a low voltage controller is not a feasible option. This is a very good project work for final year electronics and electrical students. 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. Vdd and vss of the pic microcontroller is not shown in the circuit diagram. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering gokaraju rangaraju. Doc speed control of a dc motor using micro controller 8051 1.
High side drive this drive can control a brushed dc motor in one direction. When the dc motor is switched on, it takes certain time to reach the full speed. Apr 19, 2017 this video explains the procedure to control the speed of a dc motor using 8051 microcontroller. The scope of this project includes using mplab ide to program microcontroller pic 16f877a. Position and speed control of brushless dc motors using sensorless. Pdf microcontroller based dc motor speed control using pwm. Speed control of dc motor without microcontroller sharp meg. Interfacing dc motor with pic microcontroller using l293d mikroc. Speed control of separately excited dc motor and performance analysis by software simulation has been done. This ic consists two hbridges and so it can drive two dc motors. Drive circuits for this type of motor are shown below. To control dc motor speed with pic microcontroller, we should know about these two features. Dc motor speed control using microcontroller pic16f877a. Controlling the speed of dc motor can be done by different ways like using a potentiometer and also by a controlled current to the armature.
Driving circuits for dc motor control using 8051 microcontroller suitable for applications related to prosthetic legs ashmi. It is a closedloop control system, where optical encoder built in this project is coupled to the motor shaft to provide the feedback speed signal to controller. Shinde krishnat arvind speed control of dc motor using pic. In this example project dc motor is interfaced with pic microcontroller using l293d motor driver. Speed control of dc motor with pc interface is an easy diy project.
This article will tell you how to manage the energy or speed of dc motor using microcontroller. Speed control of dc motor using microcontroller 8051. The best method for speed control of dc motor is the use of pulse width modulation technique. The four quadrant dc motor speed control operation can be achieved by interfacing dc motor with 8051 microcontroller. 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. An899, brushless dc motor control using pic18fxx41 mcus. Microcontrollerbased dc motor speed controller kumar fig. This project is mainly focus on dc motor speed control system by using microcontroller pic 16f877a. It is not good to connect dc motor directly to the microcontroller. Button up we can use this to speed up the motor and the other one is down so it will decreased the speed of motor. In other words, this system runs the motor at 25%,50% or 75% of the total speed when user set this percentage of speed from digital keypad.
The speed of a dc motor can be varied by means of mechanical or electrical methods. Speed control of dc motor using microcontroller arduino. En1 pin is connected to the 5v dc to drive the motor. Since the maximum current that can be sink from 8051 microcontroller is 15 ma at 5v. Dc motor speed control with arduino in proteus isis. Sensored brushless dc bldc motor control with pic16f877a. So this ic can be used to drive robots motors from the signals of microcontroller. The major components in the above circuit diagram are at89c51 microcontroller and motor driver. An899 ds00899apage 2 2004 microchip technology inc. L293d is an hbridge ic designed for driving low power dc motors and is shown in figure. Dc motor speed control using arduino the engineering.
When i move the potentiometer to max i can see the motor is spinning little fast. This ppt shows that the process to control the speed of a dc motor using microcontroller. Instead of commutating the armature current using brushes, electronic. To control the speed of the dc motor, you need a variablevoltage dc power source. Todays project topic is dc motor speed control using microcontroller pic16f877a and we are sharing full project report of it. In this article, we will explain how to get a pwm from the avr atmega32 and we shalll apply the output pwm to a small dc motor to vary its speed. 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. Dc motor speed control using pwm with pic microcontroller mikroc. Speed digital control of brushless dc motor using dspic. 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. If you continue browsing the site, you agree to the use of cookies on this website. Jan 26, 20 interfacing dc motor with pic microcontroller. Dc motor speed control using pwm with pic microcontroller.
The use of a microcontroller for speed control is gradually fading away. Pdf microcontroller based dc motor speed control using. 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. The speed of the motor as well as the operation of motor in four quadrants such as forward brake, reverse brake, clockwise, anticlockwise rotation can. C863 mercury servo controller 1 axis, for dc motors and pwm. Dc motor speed control using pwm of pic microcontroller. Picmicro dc motor control tips n tricks microchip technology. The controller presented here uses the pulsewidth modulation pwm technique. Speed control ofdc motorusingmicrocontroller oral presentation on prepared by 1.
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