In this project, pic 16f877a microcontroller can control motor speed at. We have dc motors in toys, irrigation pumps, robotics, drills and in many applications. Interfacing dc motor with pic microcontroller using l293d. Interfacing dc motor with pic microcontroller mikroc. It is a very popular technique and most important part of a microcontroller. In this tutorial we will learn that how to make an algorithm for dc motor speed control using arduino uno. 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. But when it comes to controlling the speed using microcontrollers. How to control speed of dc motor using pulse width moduation and duty cycle, how to change speed using variable voltage. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and. The circuit of a simple speed controller for a mini dc motor, such as that used in tape recorders and toys, is shown in fig. Jan 20, 2016 in our last pic online tutorial we have covered pwm generation using pic microcontroller. Nowa days, brushless dc bldc motors are one of the electrical drives that.
Speed control of dc motor with pic 16f877 microcontroller and l293d. Mounted on an easytouse module, the l298n follows an hbridge configuration for easily changing the direction of a dc motor. In our last pic online tutorial we have covered pwm generation using pic microcontroller. Then the pwm pulse width modulation technique is most effective. How to use l298n motor driver microcontroller tutorials. Vdd and vss of the pic microcontroller is not shown in the circuit diagram.
This article shows how to interface a dc motor to an 8051 microcontroller. A well designed 8051 dc motor system has essentially two parts. Modeling of speed control of bldc motor drive system 18 1. May 19, 2017 i already posted about interfacing dc motor with pic microcontroller. Speed control of dc motor with pc interface is an easy diy project. Dc motor speed control using pic16f84a microcontroller and ccs pic c compiler. Their are two ways to generate pulse width modulation signal using 805189c51,89c52 microcontrollers. Apr 27, 2019 here is a simple project on how to control fan or dc motor speed with microchip pic16f877 microcontroller.
In this project dc motors speed is controlled by sending the command through pc. Aug 06, 2014 doc speed control of a dc motor using micro controller 8051 1. The speed of dc motor depends on applied voltage, armature current and applied load. Aug 26, 2018 speed control of dc motor with pc interface is an easy diy project. There are many things which you can do with your dc motor when interfaced with a microcontroller. By adjusting the pulse width, the speed of a motor can be efficiently controlled without larger linear power stages. Pic16f877 based projects pic microcontroller pdf downloadable. Today, i am going to share my knowledge about how can you make a simple program for dc motor speed control using arduino uno. It should also be noted that the code was bench tested and optimized for a pittman n2311a011 brushless dc motor.
Interfacing dc motor with 8051 microcontroller using l293d. Dc motor speed control using microcontroller pic16f877a. Speed control of dc motor using capturecomparepulse width. Pulsewidth modulation pwm or dutycycle variation methods are commonly used in speed control of dc motors. Armature voltage is varied by pulse width modulation pwm of input dc voltage. To the defects of traditional methods, it proposed the designing strategy of dc motor speed control system. Thus by varying the pulsewidth, we can vary the average voltage across a dc motor and hence its speed.
Speed control of dc motor without microcontroller sharp meg. Dc motor speed control using pwm of pic microcontroller. I am an applications engineer at microchip technology in the security, microcontroller and technology division. By connecting the en pin to a pwm pin of a pic microcontroller, the speed of the motor can be controlled. The duty cycle is defined as the percentage of digital high to digital low plus digital high pulsewidth during a pwm period. Pdf microcontroller based dc motor speed control using pwm. In this project dc motor is interfaced with pic micro controller by means of l293d motor driver. With pid control, the speed of a motor can be archived exactly. You can generate it by using timers of 805189c51,89c52 microcontroller or you can switch a particular. Interfacing stepper motor with pic microcontroller. 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.
Programming the pic16f877a microcontroller for speed. Programming the pic16f877a microcontroller for speed control. Speed control of dc motor using pic microcontroller the. The l298n motor drive is also capable of controlling stepper motors. The main core of this project is to design a speed control system of dc motor by using microcontroller.
Interfacing dc motor to 8051 microcontroller using at89s51. The use of a microcontroller for speed control is gradually fading away. Apr 05, 2016 dc motor speed control using pic microontroller. 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. Dc motor control with pic16f877a and l293d proteus simulation. So lets get started with this speed control of dc motor using pic microcontroller tutorial. In this tutorial we will learn how to control servo motor with pic microcontroller. Dec 29, 2016 in the previous projects, we have seen a simple dc motor control using lpc2148 and push buttons and also controlling of a servo motor using the same components. The fuzzy logic controller flc was also adopted in 16 for the control of the speed of brushless dc motors. There are many applications of dc motors, where we need a variable speed of dc motor. 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 pic18f4550 and ccs pic c. Speed control of a dc motor using pic microcontroller with pwm techniques.
Dc motor and fan speed control using pic16f877 microcontroller. Pwm dc motor speed controller circuit using pic16f877a. Fuzzy logic control offers an improvement in the quality of the speed response. To manage the speed of motor we are using to different type of button. In this tutorial we will see how to control the speed of a dc motor using pulse width modulation pwm.
In this project, we will control the speed of a dc motor using lpc2148 mcu and a potentiometer by implementing pwm technique. Arockia edwin xavier thiagarajar college of engineering,electrical and electronic engineering madurai,tamil nadu email. Dc motors are always preffered over stepper motors. This is our 11th tutorial of learning pic microcontrollers using mplab and xc8. By changing pulse width of a signal,we can control the speed of. If you dont know how to control the speed of a permanent magnet dc motor, then let me tell you there are two basic methods to do it. In our robotics applications we may have to control the speed of the dc motor. Apr 16, 2019 this is a simple project tutorial on how to control dc motor speed using 805189c51,89c52 microcontroller. Speed control of dc motor using capturecomparepulse. Full description of the ic with pin out is given in this tutorial l293d pin. The characteristics and concert of the dc motor speed control system was discussed. Todays project topic is dc motor speed control using microcontroller pic16f877a and we are sharing full project report of it. By using pwm we can easily control the average power. For controlling the speed of dc motor we have various methods, but in this project we are controlling dc motor speed using pwm.
In this project dc motor s speed is controlled by sending the command through pc. Later we will take a look at the circuit diagram of dc motor speed control using microcontroller. In this article im gonna show you one of the important applications of pwm in robotics, it is called pulse width modulation motor speed control. Shinde krishnat arvind speed control of dc motor using pic. Speed control of a dc motor using pic microcontroller with pwm. Todays tutorial is about speed control of dc motor using pic microcontroller. Pdf variable speed bldc motor drive using pic microcontroller. Dc motor speed control using pic microcontroller pwm method. This article mainly introduces making a program for the arduino pro mini on your computer using visual studio to control motor speed by a pid algorithm.
Brushed dc motor basics hello, my name is john mouton. This paper reports a microcontroller based control system to change the speed and direction of rotation of dc motor. I hope you all will be absolutely fine and having fun. There are many applications of dc motors, where we need a. This system would be able to control the dc motor speed at desired speed regardless the changes of load. There are numerous ways to control the speed of motor or fan. This is a very good project work for final year electronics and electrical students. In this paper we proposed and design a speed control system of dc motor by using ccp module of pic microcontroller. You are thinking that we can manage the speed or energy by using different type of resistor like variable resistor. This project is mainly focus on dc motor speed control system by using microcontroller pic 16f877a. Other motors were also tested to assure that the code was generally useful. Acpwm control for induction motor using pic microcontroller. Jan 26, 20 i already posted about interfacing dc motor with pic microcontroller. Dc motor speed control using pwm with pic microcontroller.
Following things should be taken into account while designing the. Arduino is directly connected to pc through the usb cable and command is given to arduino on serial monitor of the arduino ide. So, lets get started with dc motor speed control using arduino uno. As i told earlier pwm has wide application in electronics and robotics engineering. 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. Keywords dc motor, speed control, microcontroller, atmega8, pwm. This tutorial is about dc motor speed control with a pic microcontroller using the pwm method.
Direction control of a dc motor using pic microcontroller. Pdf speed control of dc motor by using pwm technique. The microcontroller acts as the motor speed controller in this project. The block diagram of four quadrant dc motor speed control with 8051 microcontroller project is shown in the above figure. The l298n is a motor driver ic by st microelectronics.
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. Automation results into better quality, increased production an reduced costs. Speed control of dc motor using pulsewidth modulation. Doc speed control of a dc motor using micro controller 8051 1. Interfacing dc motor to 8051 forms an essential part in designing embedded robotic projects. Dc motor speed control using arduino and potentiometer. 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. Todays industries are increasingly demanding process automation in all sectors. This acpwm control system for induction motor is controlled the speed of ac motor more efficiently as compared to other motor control systems as well as it is more reliable compact and less costly. This article describes you how to control the dc motor using at89c51 controller or any variant of 8051 microcontroller. To achieve the speed control dac is used which generates voltages gradually according to. The main advantage in using a dc motor is that the speed torque relationship can be varied to. The variable speed drives, which can control the speed of a. We are also using uln2003 a darlington pair array, which is useful to drive this motor, since pic couldnt provide enough current to drive.
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. Apr 10, 2017 it will be helpful to vary the speed of the dc motor in either clockwise or in anti clockwise direction. Direct current dc motor has already become an important drive configuration for many applications across a wide range of powers and speeds. Arduino motor pid speed control arduino project hub. One is using dac digital to analog converter and the other method is using pwm pulse width modulation. I already posted about interfacing dc motor with pic microcontroller. The operational circuit of this acpwm control system is controlled with the help of microcontroller 18f452, which belongs to pic family. Speed control of brushless dc motor using microcontroller. Dc motor speed control using arduino the engineering projects. Here is a simple project on how to control fan or dc motor speed with microchip pic16f877 microcontroller. Dc motor or fan speed is controlled using pwmpulse width modulation technique. Manual controller is also not practical in the technology era because it can waste. For example, it has applications in electric cars, trucks, and aircraft.
The speed of dc motor wirelessly through pwm technique through an 8051. Dc motors speed controlling using pwm and microcontroller. Complete matlab code, after editing it for dc motor control, is given at the end of this project. Anatomy of a bldc figure 1 is a simplified illustration of bldc motor construction. Pwm based dc motor speed control using microcontroller. The design showed good velocity tracking performance under both load and noload conditions. Pdf speed control of dc motor using microcontroller. I have to sense the speed of the motor and give to the pic and control. Doc speed control of a dc motor using micro controller 8051. The purpose of a motor speed controller is to take a signal representing the required speed, and to drive a motor at that speed. Dc motors speed controlling using pwm of microcontroller. This is part 1 in a 4 part series of webseminars related to controlling a brushed dc motor using a microcontroller. Picmicro dc motor control tips n tricks microchip technology.
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 vary which causes the speed to change. In this tutorial we are interfacing 28byj48 stepper motor with pic microcontroller pic16f877a. In1 and in2 are connected to rb0 and rb1 of pic microcontroller respectively which are used to provide control signal to the dc motor. The disadvantage of utilizing a microcontroller in system design is the somewhat large size of the implementation. Speed control of dc motor could be achieved using mechanical or. You might have come across several applications where we need to control a specific device based on analog parameter. 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. Dc motor speed and direction control using pic16f877a and. Four quadrant dc motor speed control with microcontroller. The code in this application note was developed with the microchip pic16f877 pic microcontroller, in conjunction with the incircuit debugger icd. In this tutorial we will see how to control the speed of a dc motor using pulse width modulation. In this tutorial we will see how to control the speed of a dc motor using pulse.
Apart from these techniques, pulse width modulation is the effective way to implement motor speed control. Dc motor speed control with 805189c51,89c52 microcontroller. Pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. Dc motor is the most used motor in robotics and electronics projects. This embedded system works in a similar concept where we are about to control the speed of a dc motor using based on the external temperature. The main advantage in using a dc motor is that the speed torque relationship can be varied to almost any useful form. Microcontroller based speed control of a dc motor using pwm. There are numerous ways to control the speed of motoror fan. Many applications in industry such us robotics controls, swing machines, electronic bikes, winding machines, spinning and weaving machines and many others applications need a variable speed of dc motor. Dc motors need much more current than a microcontroller can provide, so it needs separate drivers. This switch array is used to send the control signals to the microcontroller which in turn sends commands to the. In this paper, a pic microcontroller is designed with a dc dc boost converter for the motor speed controller system. Microcontroller based speed control of a dc motor using. 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.
Temperature controlled fan using pic 16f877a gadgetronicx. Different dc motors need different voltages and operating high voltage motor from a low voltage controller is not a feasible option. 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. Arduino is directly connected to pc through the usb cable and command is. Jul 09, 2016 so lets get started with this speed control of dc motor using pic microcontroller tutorial. The ease of control and excellent performance of the dc motors will ensure that the number of applications.
If you have already worked with servo motors you can skip the first half of this tutorial but if you are new to servo motor itself then continue reading. Dc motor is connected to out1 and out2 of the l293d. The objective of developing this project is to control the speed of dc motor. This system will be able to control the dc motor speed at desired speed regardless the changes of load. Dc motor speed control using pwm with pic microcontroller mikroc. We can control the speed of a dc motor through a microcontroller. In this article im gonna show you one of the important applications of pwm in robotics, it is called pulse width modulation motor speed control the method of generation of pwm signal is the same as before and. Brushless dc motor control made easy 20022019 microchip technology inc. Mar 26, 2016 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 vary which causes the speed to change. The coils are activated, one phase after the other, by the drive. Pdf microcontroller based dc motor speed control using.
Oct 29, 2018 pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. This paper is mainly concerned on dc motor speed control system by using microcontroller pic 16f877a. 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. In my previous tutorial, dc motor direction control using arduino, i have just controlled the dc motor in both directions at constant speed using arduino. Using pic i have to design the gate drive circuit for the dc dc converter connected to the motor. The principles of pwm using a temperature sensor have been introduced in this paper. 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. Firstly an 8051 with the required software to control the motor and secondly a suitable driver circuit. Speed control of a dc motor using microcontroller 8051 a project report submitted by s. 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. Dc motor speed control using pwm method circuit explanation. Dc motor speed control using arduino the engineering.
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