Fundamentals of motion control national instruments. Stepper motor control using labview and nimyrio a ganesan1 r nhizanth2 s kamban3 gopalakrishnan. Danaher motion, west chester, pennsylvania, 42m048c steppercs 4 v6. The motor control vis use fixedpoint values when possible.
R4 1,2,3student 4assistant professor 1,2,3,4department of instrumentation and control engineering 1,2,3,4saranathan college of engineering trichy, india abstractin the current scenario, stepper motors are being. Introduction traditionally position control is done using dc motor, ac servo motor, synchronous motor, stepper motor, etc. Motion control and motor drives national instruments. If you are working on dc motor then you should also have a look at dc motor direction control using arduino. A pulse width modulation pwm technique is employed to control motor speed. Labview simulation for speed control of induction motor. Design and development of labview based dc motor speed. Stepper motor control using labview and nimyrio pdf. Ni pxi 7340 controller card and nipxi6221 mseries daq is having with me.
Pdf labview fpga implementation of a pid controller for. Communication to the nsca1 can be established over usb or rs485. Interact with the world using labview to control embedded platforms like arduino and. A dc motor speed control system is developed by using national instruments labview software and data acquisition board that employs pulse width modulation. The only way for a labview program to communicate with the arduino is via serial port. In our previous article we have seen how to program arduino with labview. Even though dc motor is easy to control it has some disadvantages like effects of overheating of armature windings, and also torque to inertia is low. The functional characteristics of pulse width modulation signal can be easily adjusted with the software. We write our first program in which we controlled led connected on pin of arduino uno board with a push button created in labview. This paper proposes the block diagramcontrol of ac motor using labview.
In this example well learn how to turn a motor on and off, and then use pwm to control the motor speed. Selim reza department of eee university of dhaka dhaka, bangladesh md. Wireless stepper motor controller designed using very high speed integrated circuit hardware. In this paper, based on analyzing and comparing some controlling graph, it gives a labviewbased stepper motor control method and the composition of the control system, and. Control system of stepper motor based on roundness and cylindricity. Controlling 2 independent stepper motors with variable. I hope you all will be absolutely fine and having fun. Dc motor speed control through labview and arduino. A single control cable connects the motion control board to the nudrive, providing the. Each stepper motor is controlled using dedicated hardware drivers that require pulse input and direction. The ni softmotion module pid motor control function contains additional logic to prevent windup using an additional integral contribution i c term. Lab view is one of the useful software which is used for monitoring and controlling the systems in industries.
Basic use of labview, the understanding of the ni mydaq, and the research involved to understand a stepper motor. Pdf stepper motor control using labview and nimyrio. As high speed moving, stepper motor must have rising and falling process avoiding losing step and over step. High precision stepper motor controller implementation. Motion control peripherals nudrives are motor power drivers for use with national instruments motion control boards and applicationspeci. I want to rotate the motor shaft 60 deg when it receives command from the labviewvisa. For this, you use driverlevel software in an ade such as labview, c, or visual basic. Figure 6 shows how to move a single axis in labview using the default velocity and acceleration. Controlling a stepper motor with labview page 2 ni.
This paper presents the procedure for achieving complete control of stepper motors using ni labview software, with ni myrio as the interface between the software program and the stepper motor hardware. Once you have the vi set you can imbed the vi in a loop. The problem should be the time taken by the process of the communication between labview and arduino. Stepper motor control using ni mydaq hardware lava. Speed control of stepper motor using 8051 microcontroller. Read about stepper motor with arduino and labview on. Design and implementation of close loop dc motor speed. This will allow for control of the motors movement through programming. Labview arduino stepper motor driver stepper motor. So, now we are gonna do the dc motor speed control in labview. The ni 733x lowcost controllers offer fouraxis stepper motor control.
This mechanical motion obtained using the stepper motor can be used in various industrial and real time applications as well. This lab introduces students to using transfer functions to create models for how a dc motor behaves. Stepper motor control with the digilent motor adaptor. Control of stepper motors using labview and a joystick karmanwtl. Today, i am going to share my knowledge about how to make a simple virtual instrument vi for stepper motor speed control in labview. The control parameters are implemented by gui using labview platform which is sent through bluetooth to the controller by which the motor can be controlled in. The need for a motor protection system can be well understood by the fact that motors are integral device in any of the present day industries. Control stepper motor using easy driver with joystick. In my previous tutorials, i have worked on stepper motor speed control using arduino in which i have shown how to control the stepper motor speed using arduino. In this tutorial, i am going to work on the program for dc motor speed control using ni labview. Pdf lab view based micro stepping control of stepper. Avatanjele to the use of bipolar transistors mosfet is that they have lower conduction losses than bipolar. Using all of these skills we were able to use labview to control the ni mydaq that sent signals to the stepper motor. Dc motor speed control in labview the engineering projects.
So in essence the arduino becomes in this scenario a translator. Design and development of labview based dc motor speed and direction control system md. Modelling and simulation of stepper motor for position control using labview article pdf available april 2018 with 2,525 reads how we measure reads. Comparison of fuzzypid and pid controller for speed control of dc motor using labview.
This paper deals with the control of stepper motor using ni myrio, because it is less complex to work with labview programming, which is pretty simple. In this project, students will learn the dc motor principle of operation, complete circuitry for operation and protection, and use myrio and labview to control rotational motion. By labviewaided pid controller, the parameters are adjusted to control the motor speed in close loop. Home support controlling a stepper motor drive using a daq device in labview. Robotic motor control robotics programming study guide. The i c term coerces the setpoint to prevent excessive overshoot in the case of output saturation. The hardware used are a power supply, a microstep driver, nema 17 stepper motor, ni myrio and ni labview software. Existing stepper motors are cd drives programmed through microprocessors, controllers and printing heads electrical circuits. The serial number has to be added to the block diagram vi using the right clickcreate property for. An openloop dc motor speed control system is developed using national instruments data acquisition daq board model 6040e and labview software package. A vi virtual instrument is developed with labview that allows the daq to read a user selected reference voltage continuously. Controlling 2 independent stepper motors with variable speed and direction using u3 and labview. An efficient method for motor protection system control.
Stepper motor speed control in labview the engineering. Control of stepper motors using labview and a joystick. This lab gives basic insight into parameters that define the motor so the student can later accurately control speed and position. With the push of a button in labview, a dc motor can start, stop, and turn in any desired direction. Hi forum, i have an application with my u3lv where i need to control 2 stepper motors that should be completely independent. I want to control a stepper motor drive stepdirection using the digital output on my usb daq and i have connected all the necessary wiring, so how do i control the motor for some simple moves in labview.
The use of virtual instrument graphical programming software labview to control stepper motor has advantages such as simple hardware structure, simple. Finally, there is a turnkey solution that allows educators to teach students how to control sensors and motors using labview. In addition, they run openloop feedback control with a virtual instrument to validate the dc motor model. One can be able to control the motor using either a desktop or laptop computers with nilabview software installed in it. You will use the potentiometer on your evaluation board to set the desired speed of the motor, and you will control the speed through the pwm output of the hcs12. In the current scenario, stepper motors are being used for diverse applications due to its flexibility and ease of control. Lab view based micro stepping control of stepper motor using ni. For a national instruments motion controller, you use nimotion. The standard panel for the motor appears on the front panel and a vi appears on the block diagram.
In this paper, an effort is made to control the speed of the dc motor and figure out the design process of a pid controlling system of close loop system using labview software. Control and interfacing of motors with nilabview using ni. In todays world the industrial applications can be done by using remote control. This paper deals with the control of stepper motor using ni myrio. A digital control system has been developed for three dimensional or less motion control applications using three sets of stepper motors, drive controlle. Labview arduino stepper motor more complicated than it needs to be. The nsca1 series motion controller is a powerful single axis stepper motor control system which combines a microstepping driver with a programmable controller into a compact envelope. By using ni labview as the motor controller, we can control a dc motor for multiple purposes using only one software environment. The ni 733x lowcost controllers offer fouraxis stepper motor control and most of the basic functions you need for a wide variety of applications, including single and multiaxis pointtopoint motion. Controlling stepper motors with ni mydaq studica blog. Fpga based stepper motor control using labview gui. Motor control tutorial with labview using l298n h bridge duration. Controlling a stepper motor drive using a daq device in.
Development of digital control system in labview for stepper motor. The stepper motor is from astrosymname nema23 and the key features are step angle 1. Students will complete activities that demonstrate the dc motor operation and interface theory, so that they can apply to future integrated projects utilizing this component. Hi guys, for a project im trying to control a stepper motor using labview. Stepper motor is widely used as controlling and driving machine in opening loop controlling system. Im totally new to motors and electronics and greatly appreciate your help. Add a conditioning stage that raises the voltage and current, which would allow usage of an ni analog output device.
Your own program not only has the advantage of interfacing the port, but performing a specific mission you need in your project as well. Robots use dc motors that can run forward or reverse depending on the polarity of the input voltage. Session g19 stepper motor control using labview tm in a. Set the direction switch to full steps, and enter 1 for number of steps and 3. An efficient method for motor protection system control using labview. This article will show you how to control a dc motor power, using an hbridge made with complementary mosfet. You will measure the speed of the motor using an input capture pin, and display the desired and actual speeds on the terminal 1. In recent times national instruments introduced latest version of labview software i. I use linx, and give the signal one by one in sequence structure of labview no waiting delay. In my project for rotating the filter disc i am using a stepper motor, this motor will have a well defined home position by using hall effect sensor. I want to control a stepper motor drive stepdirection using the digital output on my usb daq and i have connected all the necessary wiring, so how.
Labviewbase automatic rising and falling speed control of. A complete step by step tutorial on stepper motor direction control using ni labview. The following image shows the connection diagram of the raspberry pi stepper motor control using l298n. Stepper motor direction control in labview the engineering. Dc motors rotate when current is applied and are commonly used in a wide variety of applications from robot wheels to cooling fans. Using ni labview and daq for a dc motor controller. Pc with nilabview 2014 to control the motor by using either computer or any method. Im working on a university project and ive programmed the stepper motor on labview and am using the digilent motor adaptor but the signal leaving it doesnt seem to be right even though the labview control is correct in the signal that its giving it. I am looking to control 2 stepper motors using a labview program. I am pretty sure you could control the stepper motor directly from labview. Programming stepper motor control labview jobs, employment.
Control position stepper motor using arduino and labview. The stepper motors are from linengineering and the stepper motor driver is from peter norberg consulting. Pdf in the current scenario, stepper motors are being used for diverse applications due to its flexibility and ease of control. Consider it as a practical tool that helps you teach basic labview and allows your students to get a true understanding of how to control motors.