In this tutorial we will see how to control the speed of a dc motor using pulse width modulation. 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. With the push of a button in labview, a dc motor can start, stop, and turn in any desired direction. Labview makerhub view topic dc motor speed control. Speed control of dc motor with pc interface is an easy diy project.
In this article we explain how to do pwm pulse width modulation control using arduino. Openloop motor speed control with labview request pdf. A pulse width modulation pwm technique is employed to control motor speed. Dc motor speed control using pic microcontroller pwm method. Design and development of labview based dc motor speed and. Pulse width modulation pwm using nidaqmx and labview.
I have also used frequency control by which the speed of the motor can be varied. Electric motor speed control pwm vs analog voltage. Dc motor is interfaced with computer with labview installed in it using. Connect the arduino using arduino usb cable and upload the program to the arduino using arduino ide software.
They will then implement a controller and analyze the data through a series of short calculations and short answer. Arduino based speed control of dc motor by using labview ijirset. A separate power supply will be used for the drive to ensure that it does not affect the microcontroller operation. 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. Pwm based speed control for dc motors full project available. Speed control of dc motor by pwm in proteus simulation. 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. This method is very easy to implement and has high efficiency. It will control the input voltage of dc motor using pwm signals which generated in labview.
The works in software development are calculation of sedc motor transfer function. The speed of the dc motor will be set by creating a graphic user interface gui for pid controller in labview. The snag is that the motor needs to build up to the required speed, otherwise the servo unit overloads and trips. Pdf real time dc motor speed control based on labview. We write our first program in which we controlled led connected on pin of arduino uno board with a push button created in labview. In pwm, the arduino sends a pulsating wave that is similar to astable mode of 555 timer ic. Introduction conventional speed control methods for dc motors using additional resistance consume more power, thus are less efficient. The duty cycle is defined as the percentage of digital high to digital low plus digital high pulsewidth during a pwm period. Arduino is directly connected to pc through the usb cable and command is given to arduino on serial monitor of the arduino ide. Jan 26, 20 in this tutorial we will see how to control the speed of a dc motor using pulse width modulation.
Dc motor speed control using arduino the engineering. 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. Motor, will be interface with labiew software using an arduino uno board kit. Using ni labview and daq for a dc motor controller national. Implementation of labview based controller for dc motor speed control 37 4. In our previous article we have seen how to program arduino with labview. Real time dc motor speed control using pid controller in. Real time speed control of a dc motor by temperature. How to control the speed of a dc motor with the arduino dummies. Apr 12, 2017 dc motor control labview arduino dc motor control using labview and arduino labview gui based speed control with easy step by. Labview as software used for industrial process monitoring 9, real time solar.
This project focuses on controlling the speed of a dc motor using pwm technique. Apart from these techniques, pulse width modulation is the effective way to implement motor speed control. Startup of a pid fuzzy logicembedded control system for. Microcontroller based closed loop speed and position control of dc motor panduranga talavaru, nagaraj naik r, v. Dc motor control using labview and arduino labview gui based speed control with easy step by. By using ni labview as the motor controller, we can control a dc motor for multiple purposes using only one software environment. It has four pwm controlled motors and 4 optical quadrature encoders. To control the dc motor speed using pwm from labview. The motorcontrol sketch to gain control of the speed of your motor whenever you need it, you need to add. In this tutorial, i am going to work on the program for dc motor speed control using ni labview. An openloop dc motor speed control system is developed using national. Microcontroller based closed loop speed and position. Then, the value is read once again and reinitialized.
The arduino might me able to handle that number of pulses and do pwm, but it isnt going to send 20,000 anything. Apr 10, 2017 so, lets get started with dc motor speed control using arduino uno. 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. Real time dc motor speed control using pid controller in labview. Both dc motor and temperature measurement code is done through labview software loaded into arduino board. The speed of dc motor is directly proportional to the voltage applied across its terminals. For controlling the speed of dc motor we have various methods, but in this project we are controlling dc motor speed using pwm. The project basically consists of arduino and motor driver, thermal sensor. To control dc motor speed with pic microcontroller, we should know about these two features. 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 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. Hello guys first of all sorry for my funny english. Pwm signals are most commonly used to control dc motors, but have.
If you are new to electronics, we have a detailed article explaining pulse width modulation. This paper uses the above principle to control the speed of the motor by varying the duty cycle of the pulse applied to it. Avatanjele to the use of bipolar transistors mosfet is that they have lower conduction losses than bipolar. Labview, speed control, dc motor, close loop control, pwm 1. Normally, speed control is done using pulse width modulation pwm technique. 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. Pulsewidth modulation pwm or dutycycle variation methods are commonly used in speed control of dc motors. I hope you all will be absolutely fine and having fun. Using pwm pulse width modulation to control a device is a common practice in embedded systems. 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. Motor speed control using arduino and quadrature encoders.
This work explains the speed control design for a dc motor using fuzzy logic with labview software. The analog output pin of the daq is connected to the motor driver circuit. Speed control of a dc motor using pwm video matlab. If you are working on dc motor then you should also have a look at dc motor direction control using arduino. A more efficient way to proceed is by using pulse width modulation technique to control the speed of our dc motor. Our aim is to control the speed of the dc motor using low cost of data acquisition carddaq i. 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. 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. Monitoring and control of speed of dc motor using labview. 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. Arduino board interface with a pid controller of using labview software in this, section i. Dc motor speed control using pwm with pic microcontroller. In this example well learn how to turn a motor on and off, and then use pwm to control the motor speed.
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. 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. In this post you will learn how to generate pwm using arduino and how to control speed of dc motor. You may think that a variable resistor in series with a dc motor can control its speed. I am using 4channel motor controller with rover 5 chassis. In this instructable i am going to show you how to control a speed of a dc motor using labview let us get started. Apr 24, 2017 so, now we are gonna do the dc motor speed control in labview. There exists a lot of company to provide microcontroller based dc motor speed control system. Design and development of labview based dc motor speed and direction control system md. In this project dc motors speed is controlled by sending the command through pc. If it is the only reason it seems odd to use pwm equipment for simple demonstrations. Actually, speed of a dc motor will be set by created a graphic user interface for pid controller in labview software.
To control the dc motor speed using pwm from labview slideshare. Why is pwm used to control dc motor speed instead of using a. 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. The speed control can be made based on microcontroller. In arduino the pwm pins are the ones which indicate symbol. Hence, if voltage across motor terminal is varied, then speed can also be varied. The problem is that the motor is working until the end of the timeout. A vi virtual instrument is developed with labview that allows the daq to read a user selected reference voltage continuously.
Since speed of the motor is controlled by variation in temperature, circuit of measuring temperature is interfaced through labview. Today, i am going to share my knowledge about how can you make a simple program for dc motor speed control using arduino uno. Oct 29, 2018 here we will use a technique called pwm pulse width modulation to control the speed of dc motor. As its name suggests, pulse width modulation speed control works by driving the motor with a series of onoff pulses. Im sending the enable pin of a particular motor a software generated pwm. Here, the software it will be turn pass this speed to dc motor using a pwm pins on the.
Labview based speed and direction control of dc motor. Weve described here a pwm based speed control circuit that smoothly controls the speed of generalpurpose dc motors. 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. In our robotics applications we may have to control the speed of the dc motor. Dc motors rotate when current is applied and are commonly used in a wide variety of applications from robot wheels to cooling fans. Various processes on the subject highlight the idea, creation, development, and implementation of intelligent control, and the results. Dc motor is the most used motor in robotics and electronics projects. This enhanced development in the field of electronic control of dc machine using various electronic and power electronic devices. I already posted about interfacing dc motor with pic microcontroller. These pins can only generate pwm signals as they are connected to the internal timers. The result is that the motor has a much higher torque. Block diagram of labview pulse train program using ni.
Openloop motor speed control with labview ieee conference. Speed control of dc motor using pulse width modulation, 555. Teach fundamentals of dc motor control the quanser qnet 2. Dc motor will move with the speed set by the user in labview. Speed control of dc motor using pulsewidth modulation. Jun 06, 2016 our aim is to control the speed of the dc motor using low cost of data acquisition carddaq i. Dc motor using a pid controller in labview with arduino. 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. Pwm control using arduinohow to control dc motor and led. Dc motor speed control in labview the engineering projects. Controlling the speed of a dc motor using labview ijareeie.
Speed control of dc motor using microcontroller semantic. Design and development of labview based dc motor speed. 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. Design a speed controller for a dc motor using pulsewidth modulation pwm. In order to develop the code labview platform is used. I am trying to get precise control over the speed of rover 5 based robot.
I control the speed of a 200 watt dc motor using a maxon servo drive, controlled by a daq 6036e via labview 6. Speed control of any motor is always done y pulse width modulation, abbreviated as pwm. Why is pwm used to control dc motor speed instead of using a variable resistance. Mar, 2018 pwm can be used to drive motors and leds to control the speed and intensity respectively. So, now we are gonna do the dc motor speed control in labview. How we can utilize the pid controller for controlling the speed of the dc motor by. 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. In this lab students will learn the fundamentals of qualitative and quantitative pi control design. Helloi am developing a vi for speed control of dc motor using pwm.
It will be mostly plays a role in data acquisition board. Speed control of dc motor using arduino applying pwm. This article will show you how to control a dc motor power, using an hbridge made with complementary mosfet. I need to control a dc motor using an arduino nano. Dc motor speed control using arduino the engineering projects. Mathworks is the leading developer of mathematical computing software for engineers and scientists. Designed exclusively for ni elvis platform and labview software, the system can be easily configured to control motor position. Why is pwm used to control dc motor speed instead of using. Dc motor speed control using arduino and potentiometer. 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. Dc motor control using labview and arduino youtube. Here we will use a technique called pwm pulse width modulation to control the speed of dc motor. Controlling the direction and speed of a dc motor with.
How to control dc motor speed using pwm on atmega32. Data acquisition daq board model 6040e and labview software package. 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. I have just used a simulate signal block and have used a control for duty cycle. 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.
Block diagram of pwm based speed control of dc motor. Design and development of labview based dc motor speed and direction control system. Labview will in turn pass this speed to the dc motor using a pwm pins on the arduino uno board. 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. The speed of the dc motor will be sensed by using the tachometer. A pwm dc motor controller technology is used to control the speed. For that i read the pwm value from a serial connection and send it to the motor using analogwrite. Using ni labview and daq for a dc motor controller. An openloop dc motor speed control system is developed using national instruments data acquisition daq board model 6040e and labview software package. 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.
This paper presents speed control of dc motor using an 8051 series microcontroller. Pwm based dc motor speed control using microcontroller. Pwm can be used to drive motors and leds to control the speed and intensity respectively. Muruganandhan, real time dc motor speed control using pid controller in labview, ijareeie. Dc motor speed control through labview and arduino. 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. Is the only reason for choosing pwm to obtain a better precision or not consuming extra power. In this tutorial we will learn that how to make an algorithm for dc motor speed control using arduino uno.
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