In this lab students will learn the fundamentals of qualitative and quantitative pi control design. Kishore kumar reddy v abstract direct current dc motor has become an important drive configuration for many applications across a wide range of powers and speeds, due to its easy control and excellent performance. I am using 4channel motor controller with rover 5 chassis. In this lab, students will complete activities to control the speed of a dc motor using pulse width modulation pwm, as well as learn how to determine the. Dc motor speed control in labview the engineering projects. A more efficient way to proceed is by using pulse width modulation technique to control the. Arduino uno, pwm output is possible on digital io pins 3, 5, 6, 9, 10 and 11.
Mar, 2018 pwm can be used to drive motors and leds to control the speed and intensity respectively. You can use the motorcontrol sketch for the arduino to put some input into a dc motor to give you full control of the motor on the fly. I am able to read encoder int output and change pwm based on pulse width to control speed. Sedc motor will be interfaced with labview using an arduino board. Microcontroller based closed loop speed and position.
The result is that the motor has a much higher torque. Why is pwm used to control dc motor speed instead of using a variable resistance. In arduino the pwm pins are the ones which indicate symbol. Dc motor speed control using pwm with pic microcontroller. Hello guys first of all sorry for my funny english. Here we will use a technique called pwm pulse width modulation to control the speed of dc motor. We can achieve speed control of dc motor using mechanical or electrical techniques but they require large size hardware to implement but a microcontroller based system provides an easy way to control the speed of dc motor. Controlling the speed of a dc motor is one of the most common tasks that automation, robotics, and industrial engineers are called upon to perform when creating industrial systems. The arduino might me able to handle that number of pulses and do pwm, but it isnt going to send 20,000 anything and get 20000 responses per second tofrom labview. A pwm dc motor controller technology is used to control the speed. Speed control of dc motor using pulse width modulation, 555.
Why is pwm used to control dc motor speed instead of using. Teach fundamentals of dc motor control the quanser qnet 2. Dc motor control using labview and arduino youtube. Motor speed control using arduino and quadrature encoders. So, now we are gonna do the dc motor speed control in labview.
Controlling the speed of a dc motor using labview ijareeie. Oct 29, 2018 here we will use a technique called pwm pulse width modulation to control the speed of dc motor. Im sending the enable pin of a particular motor a software generated pwm. As its name suggests, pulse width modulation speed control works by driving the motor with a series of onoff pulses. Arduino board interface with a pid controller of using labview software in this, section i. For that i read the pwm value from a serial connection and send it to the motor using analogwrite.
Design a speed controller for a dc motor using pulsewidth modulation pwm. In this post you will learn how to generate pwm using arduino and how to control speed of dc motor. 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. 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. Since a smallscale dc motor was used for the project, a simple dc motor drive can be implemented using a 10k ohm resistor, mosfet, and a diode which is shown in figure 20. Aug 26, 2018 when the speed is varied from 1 to 9, the speed increases, with the value 9 set as the maximum speed of the motor. Dc motor using a pid controller in labview with arduino. I hope you all will be absolutely fine and having fun. Dc motor speed control using pic microcontroller pwm method.
We write our first program in which we controlled led connected on pin of arduino uno board with a push button created in labview. One simple and easy way to control the speed of a motor is to regulate the amount of voltage across its terminals and this can be achieved using pulse width modulation or pwm. Dc motors rotate when current is applied and are commonly used in a wide variety of applications from robot wheels to cooling fans. It will control the input voltage of dc motor using pwm signals which generated in labview.
Implementation of labview based controller for dc motor speed control 37 4. Avatanjele to the use of bipolar transistors mosfet is that they have lower conduction losses than bipolar. These pins can only generate pwm signals as they are connected to the internal timers. This enhanced development in the field of electronic control of dc machine using various electronic and power electronic devices. In this tutorial we will learn that how to make an algorithm for dc motor speed control using arduino uno. It has four pwm controlled motors and 4 optical quadrature encoders. Real time dc motor speed control using pid controller in. Pdf real time dc motor speed control based on labview. Connect the arduino using arduino usb cable and upload the program to the arduino using arduino ide software. But before we start looking at the ins and outs of pulse width modulation we need to understand a little more about how a dc motor works. Apart from these techniques, pulse width modulation is the effective way to implement motor speed control. Dc motor speed control using arduino the engineering. Microcontroller based closed loop speed and position control of dc motor panduranga talavaru, nagaraj naik r, v. Today, i am going to share my knowledge about how can you make a simple program for dc motor speed control using arduino uno.
I need to control a dc motor using an arduino nano. Startup of a pid fuzzy logicembedded control system for. Speed control of dc motor using pulsewidth modulation. A separate power supply will be used for the drive to ensure that it does not affect the microcontroller operation. Actually, speed of a dc motor will be set by created a graphic user interface for pid controller in labview software. Introduction conventional speed control methods for dc motors using additional resistance consume more power, thus are less efficient. For controlling the speed of dc motor we have various methods, but in this project we are controlling dc motor speed using pwm. To control the dc motor speed using pwm from labview. 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. Labview will in turn pass this speed to the dc motor using a pwm pins on the arduino uno board.
Jan 26, 20 in this tutorial we will see how to control the speed of a dc motor using pulse width modulation. Motor, will be interface with labiew software using an arduino uno board kit. Pwm control is a very commonly used method for controlling the power across loads. In our robotics applications we may have to control the speed of the dc motor. Block diagram of labview pulse train program using ni. Apr 24, 2017 so, now we are gonna do the dc motor speed control in labview. An openloop dc motor speed control system is developed using national instruments data acquisition daq board model 6040e and labview software package. Speed control behavior with pwm the motor will see a very low power supply impedance, even though the power supply is constantly switching between high and low voltages. Im working on a 2wheeled robot and have connected up a raspberry pi to an l298n motor driver. Mathworks is the leading developer of mathematical computing software for engineers and scientists. Speed control of dc motor by pwm in proteus simulation. The arduino might me able to handle that number of pulses and do pwm, but it isnt going to send 20,000 anything. Labview, speed control, dc motor, close loop control, pwm 1. The analog output pin of the daq is connected to the motor driver circuit.
Jun 06, 2016 our aim is to control the speed of the dc motor using low cost of data acquisition carddaq i. My question is at the end to change the speed we are controlling the input voltage of a dc motor in both pwm pulse width modulation and variable resistance cases. Labview as software used for industrial process monitoring 9, real time solar. Openloop motor speed control with labview ieee conference. The speed control can be made based on microcontroller. Dc motor speed control using arduino and potentiometer. In this project dc motors speed is controlled by sending the command through pc. The duty cycle is defined as the percentage of digital high to digital low plus digital high pulsewidth during a pwm period. Designed exclusively for ni elvis platform and labview software, the system can be easily configured to control motor position.
I am trying to get precise control over the speed of rover 5 based robot. Controlling the direction and speed of a dc motor with. Then, the value is read once again and reinitialized. I control the speed of a 200 watt dc motor using a maxon servo drive, controlled by a daq 6036e via labview 6. An openloop dc motor speed control system is developed using national. Pwm control using arduinohow to control dc motor and led.
Various processes on the subject highlight the idea, creation, development, and implementation of intelligent control, and the results. In order to develop the code labview platform is used. Apr 08, 2018 the second reason is if we want to use any devices like microcontrollers or any other digital equipment for automating our dc motor speed control, then this method cannot be used. Speed control of dc motor using microcontroller semantic. Pwm signals are most commonly used to control dc motors, but have. I already posted about interfacing dc motor with pic microcontroller.
Hence, if voltage across motor terminal is varied, then speed can also be varied. Dc motor speed control using arduino the engineering projects. You may think that a variable resistor in series with a dc motor can control its speed. Since speed of the motor is controlled by variation in temperature, circuit of measuring temperature is interfaced through labview. With the push of a button in labview, a dc motor can start, stop, and turn in any desired direction. Design and development of labview based dc motor speed and direction control system md. Openloop motor speed control with labview request pdf. The snag is that the motor needs to build up to the required speed, otherwise the servo unit overloads and trips. The problem is that the motor is working until the end of the timeout. By using ni labview as the motor controller, we can control a dc motor for multiple purposes using only one software environment. There are many different ways to control the speed of dc motors but one very simple and easy way is to use pulse width modulation.
Here, the software it will be turn pass this speed to dc motor using a pwm pins on the. Electric motor speed control pwm vs analog voltage. Dc motor is interfaced with computer with labview installed in it using. It will be mostly plays a role in data acquisition board. Dc motor will move with the speed set by the user in labview. The motorcontrol sketch to gain control of the speed of your motor whenever you need it, you need to add.
Our aim is to control the speed of the dc motor using low cost of data acquisition carddaq i. 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. A pulse width modulation pwm technique is employed to control motor speed. To control the dc motor speed using pwm from labview slideshare. If it is the only reason it seems odd to use pwm equipment for simple demonstrations. How to control the speed of a dc motor with the arduino dummies. Labview makerhub view topic dc motor speed control. Real time speed control of a dc motor by temperature. Pwm based dc motor speed control using microcontroller. In pwm, the arduino sends a pulsating wave that is similar to astable mode of 555 timer ic. The speed of dc motor is directly proportional to the voltage applied across its terminals. 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.
In this example well learn how to turn a motor on and off, and then use pwm to control the motor speed. Design and development of labview based dc motor speed and. Dc motor control using labview and arduino labview gui based speed control with easy step by. Block diagram of pwm based speed control of dc motor.
In this instructable i am going to show you how to control a speed of a dc motor using labview let us get started. The speed of the dc motor will be sensed by using the tachometer. Apr 12, 2017 dc motor control labview arduino dc motor control using labview and arduino labview gui based speed control with easy step by. In this paper, an effort has been made to control the speed of the dc motor using pulsewidth modulation pwm based on labview laboratory virtual. Pwm can be used to drive motors and leds to control the speed and intensity respectively. Design and development of labview based dc motor speed and direction control system. International journal for research in engineering application. Real time dc motor speed control using pid controller in labview. Arduino is directly connected to pc through the usb cable and command is given to arduino on serial monitor of the arduino ide.
Pwm based speed control for dc motors full project available. Dc motor speed control through labview and arduino. Both dc motor and temperature measurement code is done through labview software loaded into arduino board. Labview based speed and direction control of dc motor. In this tutorial, i am going to work on the program for dc motor speed control using ni labview. Speed control of dc motor using arduino applying pwm. Is the only reason for choosing pwm to obtain a better precision or not consuming extra power. This article will show you how to control a dc motor power, using an hbridge made with complementary mosfet. To control dc motor speed with pic microcontroller, we should know about these two features. 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. In our previous article we have seen how to program arduino with labview.
Pulse width modulation pwm using nidaqmx and labview. We have explained pwm in this tutorial using 2 examples which will help you learn how to control led brightness using pwm and how to control dc motor speed using pwm. Normally, speed control is done using pulse width modulation pwm technique. How to control dc motor speed using pwm on atmega32. Using ni labview and daq for a dc motor controller.
Speed control of a dc motor using pwm video matlab. Helloi am developing a vi for speed control of dc motor using pwm. I have just used a simulate signal block and have used a control for duty cycle. This work explains the speed control design for a dc motor using fuzzy logic with labview software. A more efficient way to proceed is by using pulse width modulation technique to control the speed of our dc motor. Weve described here a pwm based speed control circuit that smoothly controls the speed of generalpurpose dc motors. This method is very easy to implement and has high efficiency. They will then implement a controller and analyze the data through a series of short calculations and short answer. Design and development of labview based dc motor speed. There exists a lot of company to provide microcontroller based dc motor speed control system. The project basically consists of arduino and motor driver, thermal sensor. Dc motor is the most used motor in robotics and electronics projects. In this tutorial we will see how to control the speed of a dc motor using pulse width modulation.
How we can utilize the pid controller for controlling the speed of the dc motor by. Data acquisition daq board model 6040e and labview software package. Arduino based speed control of dc motor by using labview ijirset. This paper presents speed control of dc motor using an 8051 series microcontroller. Speed control of dc motor with pc interface is an easy diy project. The speed of the dc motor will be set by creating a graphic user interface gui for pid controller in labview. Speed control of any motor is always done y pulse width modulation, abbreviated as pwm. I have also used frequency control by which the speed of the motor can be varied. Next to stepper motors, the permanent magnet dc motor pmdc is the most commonly used type of small direct current motor available producing a continuous rotational speed that can be easily controlled. If you are working on dc motor then you should also have a look at dc motor direction control using arduino.
Using ni labview and daq for a dc motor controller national. Why is pwm used to control dc motor speed instead of using a. Pulsewidth modulation pwm or dutycycle variation methods are commonly used in speed control of dc motors. Softwarebased speed control of a dc motor using pulsewidth. Using pwm pulse width modulation to control a device is a common practice in embedded systems. The works in software development are calculation of sedc motor transfer function. Apr 10, 2017 so, lets get started with dc motor speed control using arduino uno. A vi virtual instrument is developed with labview that allows the daq to read a user selected reference voltage continuously. This project focuses on controlling the speed of a dc motor using pwm technique. In this article we explain how to do pwm pulse width modulation control using arduino.1202 160 1123 1206 1609 1291 789 1329 750 450 142 773 376 1137 818 1027 1056 1215 336 1585 1603 1005 950 484 305 1448 1012 1236 692 725 756