Mar 17, 2017 the delay the lower the speed and vice versa. The current research work illustrates the design and development of a labview based speed and direction control of a dc motor. The pic16f877a microcontroller is programmed to generate two periodic pwm signals from its. In this tutorial, i am going to work on the program for dc motor speed control using ni labview. Apr 24, 2017 so, now we are gonna do the dc motor speed control in labview. They will then implement a controller and analyze the data through a series of short calculations and short answer. It is very easy to vary speed of dc motor using arduino. The other speed control methods like fpga method, fuzzy control, using 555 timer and pid controllers are having the drawback of complicated design involved, unreliable control. In this paper, the speed control of permanent magnet dc pmdc motor is done using lab view interfaced with arduino. In this tutorial we will learn that how to make an algorithm for dc motor speed control using arduino uno. This predefined speed control of bldc motor runs a motor at user desired speed by using eeprom for storing speed. Arduino dc motor control arduino pwm motor control dc motor speed control download program. This can be a problem if you control a heater using a pwm signal.
How we can utilize the pid controller for controlling the speed of the dc motor by taking the feedback of rpm, i am facing problem of controlling the pwm pulse through pid controller. Using ni labview and daq for a dc motor controller. You can download the complete simulation for dc motor speed. Dc motor direction control in labview the engineering. Arduino dc motor control tutorial l298n hbridge pwm robot car duration. Design and development of labview based dc motor speed and direction control system md. The duty cycle is defined as the percentage of digital high to digital low plus digital high pulsewidth during a pwm period. The variable speed drives, which can control the speed of a. Speed control of dc motor with microcontroller xc8.
Speed control of dc motor using analog pwm technique ijert. Dc motor speed control using arduino the engineering projects. Jan 05, 2016 pwm control remains a popular method of fan speed control for a number of reasons. In this lab students will learn the fundamentals of qualitative and quantitative pi control design. Real time speed control of a dc motor by temperature. The result is that the motor has a much higher torque. Open and closed loop speed control of a dc motor using the arduino nano pid control and labview. It uses arduino uno board to generate pwm and measurecalculate above 3 parameters. Pwm can be used to drive motors and leds to control the speed and intensity respectively. Else, arduino continue running the motor at current speed. Is the only reason for choosing pwm to obtain a better precision or not consuming extra power. Dc motor will move with the speed set by the user in labview. In the beginning of the code two integers are declared by name out1 and val, where out1 is equal to 9 which shown that pin d9 of arduino is used as output pin or pwm pin. The speed is controlled using a potentiometer connected to pin a0 and the direction of rotation can be changed with a pushbutton connected to pin 8.
Dc motor speed control in labview the engineering projects. Why is pwm used to control dc motor speed instead of using a variable resistance. Arduino can generate pwm on its analog output pin and when it is applied to dc motor, its speed varies. Ppt predefined speed control of bldc motor powerpoint. Response of the actual quanser dc motor with our pi closedloop controller. In this project, i will show how speed control of dc motor can be implemented using 555 and pulse width modulation pwm. These pins can only generate pwm signals as they are connected to the internal timers. We can now run the labview program and control the speed of the quanser dc motor from the labview front panel.
Sedc motor will be interfaced with labview using an arduino board. Dc motors rotate when current is applied and are commonly used in a wide variety of applications from robot wheels to cooling fans. Speed control of dc motor using analog pwm technique written by nandkishor p. In arduino the pwm pins are the ones which indicate symbol. If you face any sort of problem in dc motor direction control in labview, then you can ask me anytime without feeling any kind of hesitation. With the push of a button in labview, a dc motor can start, stop, and turn in any desired direction. May 14, 2014 iii abstract the aim of development of this project is towards providing efficient and simple method for control speed of dc motor using pulse width modulation technique. This paper presents the speed control of dc motor by variation in temperature. We write our first program in which we controlled led connected on pin of arduino uno board with a push button created in labview.
The main advantage of using lab view with arduino is the cost and simple in structure. Aug 26, 2018 dc motor speed control download program download programcode in the beginning of the code two integers are declared by name out1 and val, where out1 is equal to 9 which shown that pin d9 of arduino is used as output pin or pwm pin. Cooling fans, air conditioner, ac machines and in many applications dc motor is used. 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. This paper presents speed control of dc motor using an 8051 series microcontroller. A more efficient way to proceed is by using pulse width modulation technique to control the speed of our dc motor. There are lots of designs on the internet for dc power controllers using pulse width modulation pwm to control the speed of a motor or power to a resistive load. Pulse width modulation pwm or dutycycle variation methods are commonly used in speed control of dc motors.
Design a speed controller for a dc motor using pulsewidth modulation pwm. Speed control of dc motor is vital in many applications. To control the dc motor speed using pwm from labview. Arduino dc motor control using l298n motor driver pwm. Arduino uno, pwm output is possible on digital io pins 3, 5, 6, 9, 10 and 11. If you are working on dc motor then you should also have a look at dc motor direction control using 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. Dc motor speed control using labview fpga modeling. Feb 08, 2017 control of a dc motor using a labview vi in fpga. Pulsewidth modulation pwm or dutycycle variation methods are commonly used in speed control of dc motors. This tutorial is about dc motor speed control with a pic microcontroller using the pwm method. In this paper, section i includes the introduction to control system, dc motor and different controlling techniques of motor. Starting with a quad opamp, you could use one section to implement a square wave oscillator, a second section to integrate.
Speed control of a dc motor using pwm video matlab. In this project, we will focus on the more advanced l298n motor driver and see arduino dc motor control using l298n motor driver using pwm technique. If you are new to electronics, we have a detailed article explaining pulse width modulation. Rightclick on the above vi snippet and select save image as. Why is pwm used to control dc motor speed instead of using. So, now we are gonna do the dc motor speed control in labview. You may think that a variable resistor in series with a dc motor can control its speed. Speed control of dc motor using pulsewidth modulation. 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.
Dec 26, 2017 arduino dc motor speed and direction control with l293d motor driver. Dc motor speed control using ni labview, dc motor speed control in. In our robotics applications we may have to control the speed of the dc motor. Pdf dc motor speed control using pid controller in lab view. Arduino dc motor speed and direction control with l293d motor driver. Hello guys first of all sorry for my funny english. They adjust their speed with little lag time after receiving a pwm signal. Pwm signals are most commonly used to control dc motors, but have many other applications ranging from controlling valves or pumps to. Apr 12, 2017 dc motor control labview arduino dc motor control using labview and arduino labview gui based speed control with easy step by. 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. Apart from these techniques, pulse width modulation is the effective way to implement motor speed control.
In this article we explain how to do pwm pulse width modulation control using arduino. So, lets get started with dc motor speed control using arduino uno. Todays industries are increasingly demanding process automation in all sectors. Pulse width modulation pwm using nidaqmx and labview. This method is very easy to implement and has high efficiency. Resulting values of speed dc motor and dutycycle for the direct and reverse. Dc motor speed control and measurement arduino project hub. Speed control of dc motor using pulse width modulation, 555. We shall use the same dc motor for which the parameters were calculated in the. Initially for a set of temperature the duty cycle is generated using pwm by varying. Why is pwm used to control dc motor speed instead of using a.
Dc motor speed control using arduino and potentiometer. 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 prevents the processor from overloading the serial port and pushes it to avoid arduino serial port hanging. 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. A potentiometer is connected to analog channel 0 an0 of the pic. As its name suggests, pulse width modulation speed control works by driving the motor with a series of onoff pulses. Weve described here a pwm based speed control circuit that smoothly controls the speed of generalpurpose dc motors. 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. In this tutorial we will control the speed of a dc motor using raspberry pi and pwm technique. Softwarebased speed control of a dc motor using pulse.
Pdf real time dc motor speed control based on labview. The speed of dc motor is directly proportional to the voltage applied across its terminals. Pdf bidirectional speed control of dc motor based on. In this post you will learn how to generate pwm using arduino and how to control speed of dc motor. In this example well learn how to turn a motor on and off, and then use pwm to control the motor speed. This article will show you how to control a dc motor power, using an hbridge made with complementary mosfet. Labview will send serial command to the dc motor using the pwm pins on the.
To control the dc motor speed using pwm from labview slideshare. Dc motor speed control through labview and arduino. The speed of the dc motor will be sensed by using the tachometer. Design a speed controller for a dc motor using pulse width modulation pwm. One reason is that motors, dc motors in particular, are very responsive to pwm. 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. The aim is to control the speed of the dc motor using the low cost data acquisition board i. Real time dc motor speed control using pid controller in. In this tutorial we will see how to control the speed of a dc motor using pulse width modulation. The speed control of a dc motor is performed with pi speed controller using labview control and simulation toolkit and fuzzy logic controller. The next step is to simulate the response of the dc motor when modifying the setpoint or desired speed input. Pwm control is a very commonly used method for controlling the power across loads.
Arduino dc motor speed and direction control with l293d. I would like the accomplish the same functionality i. The speed of the dc motor will be set by creating a graphic user interface gui for pid controller in labview. Real time dc motor speed control using pid controller in labview. Speed control of dc motor using arduino applying pwm. We have discussed about pwm in the previous tutorial. There are many applications of dc motors, where we need a variable speed of dc motor. We use dc motors in many systems in our day to day life. Dc motor speed control using pic microcontroller pwm method. In our previous article we have seen how to program arduino with labview.
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. We will now see a simple circuit where we control the speed and direction of a dc motor using arduino and l298n ic. Speed control of permanent magnet pmdc motor using. Speed control of dc motor by pwm in proteus simulation. Design and development of labview based dc motor speed and direction control system. 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. Thakare, published on 20121129 download full article with reference data and citations. For example, it has applications in electric cars, trucks, and aircraft. Speed control of dc motor by using pwm technique project. Jan 26, 20 in this tutorial we will see how to control the speed of a dc motor using pulse width modulation.
You need few additional components for this project and the complete list is given below. Block diagram of pwm based speed control of dc motor. Pwm control of a dc motor used to drive a conveyor belt core. A free powerpoint ppt presentation displayed as a flash slide show on id. Real time speed control of a dc motor by temperature variation using labview and arduino. Hence, if voltage across motor terminal is varied, then speed can also be varied. 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. If it is the only reason it seems odd to use pwm equipment for simple demonstrations. Avatanjele to the use of bipolar transistors mosfet is that they have lower conduction losses than bipolar. There are several methods for controlling the speed of dc motors. Experiment 5 dc motor speed control walter scott, jr. 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.
For controlling the speed of dc motor we have various methods, but in this project we are controlling dc motor speed using pwm. Labview makerhub view topic dc motor speed control. It will control the input voltage of dc motor using pwm signals which generated in labview. By using ni labview as the motor controller, we can control a dc motor for multiple purposes using only one software environment. Arduino dc motor control using l298n motor driver pwm h. Labview will in turn pass this speed to the dc motor using a pwm pins on the arduino uno board. Pwm control using arduinohow to control dc motor and led. This paper uses the above principle to control the speed of the motor by varying the duty cycle of the pulse applied to it. If you are controlling the speed of a real motor, why not use real labview simulation. The speed control mechanism is applicable in many cases like controlling the movement of robotic vehicles, movement of motors in paper mills and the movement of motors in elevators where different types of dc motors are used. In this instructable i am going to show you how to control a speed of a dc motor using labview let us get started. Pwm based speed control for dc motors full project available.
Study the operation of dc motor with labview and controlling of speed. The purpose of this experiment is to design and implement a closeloop speed control of a dc motor drive. In this example a dc motor is interfaced with pic microcontroller using l293d motor driver as shown on figure 1 above. 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. Can i create pwm signals in labview for controlling the. 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. Design and development of labview based dc motor speed and. What are the best ways to control the speed of dc motor. Jan 09, 2018 we have already seen how to control the speed of a dc motor using l293d in an earlier project.
Dc motor is the most used motor in robotics and electronics projects. Arduino motor speed control with pid controller youtube. An openloop dc motor speed control system is developed using national instruments data acquisition daq board model 6040e and labview software package. In this paper, an effort has been made to control the speed of the dc motor using pulse width modulation pwm based on labview laboratory virtual instrument engineering workbench program. Dc motor speed control download program download programcode in the beginning of the code two integers are declared by name out1 and val, where out1 is equal to 9 which shown that pin d9 of arduino is used as output pin or pwm pin. This is all from the tutorial dc motor direction control in labview. Automation results into better quality, increased production an reduced costs. Dc motor speed control using pwm with pic microcontroller. Muruganandhan, real time dc motor speed control using pid controller in labview, ijareeie. The modulation of pulse width is obtained using cd4010b schmitt trigger and rectifier 1n4140. This paper represents more reliable fpga hardware implementation of dc motor speed control system. Design and development of labview based dc motor speed. Pwm pulse width modulation is a method used for getting variable voltage out of constant power source.
The application of virtual instruments makes data analyzing more accurate, and decreases the measuring time significantly. Pwm was programmed using labview to control the motor speed. Most of these use analogue methods to generate the pwm signal which in turn drives a power mosfet or transistor. Dc motor control using labview and arduino youtube.
In this section, we alternatively show how to build the dc motor model using the physical modeling blocks of the simscape extension to simulink. Download example programs and follow the tutorial below to. This paper presents a design, simulation and implementation of pulse width modulation pwm speed control system of dc motor using microcontroller mcu. I already posted about interfacing dc motor with pic microcontroller. Apr 10, 2017 it will be helpful to vary the speed of the dc motor in either clockwise or in anti clockwise direction.