Speed control of dc motor using pid controller in labview torrent

Its output then controls the average voltage sent to the motor. Real time dc motor speed control using pid controller in labview. Dc motor speed control using pid controller implementation by. The speed control using pi and pid control modes is explained and an implementation of the controller using opamps is given. Xilinx kintex 7 fpga based speed controller of brushless dc motor system is designed and implemented using pid algorithm. Pid control methods are widely used in the industry.

Actual speed is computed based upon the encoder informations, acquired in an interrupt routine. Speed control of dc motor using fuzzy logic based on. Blue lines show the desired speed, and a red line shows actual measured speed. For the sake of simplicity consider a basic transfer. Labview 12 figure 3 is the software used to develop the controller through. This paper provides an overview of performance conventional pid controller, fuzzy pid controller and adaptive fuzzy pid controller. The response of the controller to load variations is looked at.

Dc motor speed control in labview the engineering projects. The electric circuit of the armature and the free body diagram of the rotor are shown in the following figure. Dc motor speed control through labview and arduino. In this example well learn how to turn a motor on and off, and then use pwm to control the motor speed.

To do that well go back to the block dialogue and press the tune button. Speed control of dc motor using fuzzy pid controller 12 table 1. Resistor r4 limits the base current of transistor t2. Abstract speed control of dc motor is vital in many applications. Pid controller is labview is used for the purpose of controlling the speed of the required dc motor. Avatanjele to the use of bipolar transistors mosfet is that they have lower conduction losses than bipolar. Dec 01, 2014 this paper describes the speed control of a dc shunt motor using conventional controllers pid, imc and fuzzy logic controller based on matlab simulation program. Dc motor control using labview and arduino youtube. Dc motor speed control using pid controller implementation. This is the only way to run at low speed 20 rpm while maintaining a high torque.

Motor speed is controlled with pid controller and first system is checked without controller on loaded and. Control speed with a pid controller computer system. The system contain a dc motor, absolute encoder, and a motor driver. The speed of the dc motor will be set by creating a graphic user interface. This article will show you how to control a dc motor power, using an hbridge made with complementary mosfet. Speed control of dc motor using fuzzy pid controller. The popularity of pid controllers can be attributed partly to their robust. Go to the block diagram window and right click on it go to functions instrument io serial and you can see different serial blocks like visa write, visa read, visa serial etc. In this paper, an effort has been made to control the speed of the dc motor using fuzzy logic control flc based on labview laboratory virtual instrument engineering workbench program. Design and implementation of close loop dc motor speed control. Using ni labview and daq for a dc motor controller.

Details of my setup, crio9035, ni 9263 module 0 to 10v output for the drive and proximity sensor for speed estimation. I have some basic labview experience, so i was wondering how i could control the speed of a dc motor with the arduino microcontroller. In the tutorial dc motor speed control in labview, i will explain you a complete step by step procedure to control the clockwise and counter clockwise direction of the dc motor as well as accelerating and deacelerating it with the help of the buttons on the gui created in ni labview using serial communication between arduino and ni labview. The motor speed is sensed by an optical switch and converted to feedback voltage. From the main problem, the dynamic equations in the laplace domain and the openloop transfer function of the dc motor are the following. Dc motor speed control system the speed control of a motor is frequently required in industrial applications, robotics, home. Real time dc motor speed control using pidcontroller in labview. Now for my project i needed to change direction of the motor depending upon the inclination angle of the robot. You can also visit the web page with resources for designing and tuning pid controllers. Dc motor using a pid controller in labview with arduino ijsrdvol. To see how to tune the pid controller, please see the video demo andor read the blog post. All the classical methods for pid controller design and tuning provide initial workable values for speed control using pi and pid control modes is explained and an implementation of the controller using opamps is given. Design and analysis of speed control using hybrid pid.

Speed control of bldc motor using adaptive fuzzy pid controller. To compare and analyze the result between the simulation result using a dc motor mathematical model in matlabsimulink and the experimental result using the actual motor. Apr 24, 2017 in the tutorial dc motor speed control in labview, i will explain you a complete step by step procedure to control the clockwise and counter clockwise direction of the dc motor as well as accelerating and deacelerating it with the help of the buttons on the gui created in ni labview using serial communication between arduino and ni labview. We installed two hall effect sensors 90 degrees apart in the rear shaft of the motor. Pid controller design for a dc motor file exchange matlab. Feb 16, 2014 now the motor rotates at a high speed. Dc motor direction control in labview the engineering. Oct 12, 2017 hi folks, i am working on speed control of 3 phase ac motor using pid and having troubles in the output response. Lets first try using a proportional controller with a gain of 1. Pid controller is used to control a simple dc motor modeled in simulink. The dc motor whose speed is to be controlled using the pid controller in the fig. Startup of a pid fuzzy logicembedded control system for the. Mitsumi dc encoder motor controlled by pid dc servo driver duration. The block diagram of a dc motor speed control system is shown in gure1.

To develop the pid controller to control the speed of dc motor ii. For this purpose encoder feedback is used to compare the target speed and actual speed and the difference between these two value error is used to drive the motor. Lets increase the gains in order to speed up the response. 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. So, each time i need to change the motor rotation direction, i do the following. It directly provides rotary motion and, coupled with wheels or drums and cables, can provide transitional motion.

From the main problem, the dynamic equations in the laplace domain and the openloop transfer function of. The design is implemented using verilog hardware description language hdl. A common actuator in control systems is the dc motor. Jun 06, 2016 dc motor using a pid controller in labview with arduino ijsrdvol. Apr 12, 2017 dc motor control labview arduino dc motor control using labview and arduino labview gui based speed control with easy step by. The aim is to control the speed of the dc motor using the low cost data acquisition board i. Dc motors rotate when current is applied and are commonly used in a wide variety of applications from robot wheels to cooling fans. Pi controller for dc motor speed realized with arduino and. Dc motor direction control in labview the engineering projects. Since control is a systems field, to get a full appreciation of control it is. First of all open ni labview software on your laptop or pc so that we could design the gui for dc motor direction control in labview. This paper contains introduction to using an arduino board and simulink pi controller in closed loop system. This paper proposed an improved adaptive fuzzy pid controller to control speed of bldcm. Hi folks, i am working on speed control of 3 phase ac motor using pid and having troubles in the output response.

It will be described how to program arduino with simulink coder and in the end we. The speed of the dc motor will be sensed by using the tachometer. The way i tackled it was to set pid outputs assuming you are using arduino s pid library 0 255 instead of 255 to 255. In addition, they run openloop feedback control with a virtual instrument to validate the dc motor model. A thesis submitted to the graduate college in partial fulfillment of the requirements for the degree of master of science in engineering electrical electrical and computer engineering western michigan university june 2015. It is difficult to tune the parameters and get satisfied control characteristics by using normal conventional pid controller.

In practice, the dc motor is a nonlinear device and its speed varies because of change in load demand, disturbances,etc. Understanding pi controller, optionally control speed with. This tutorial uses labview and the labview control design and simulation module. Threephase brushless direct current bldc motor, by using feedback from three hall sensors. In general, increasing the proportional gain will increase the speed of the control. Thus, control methodology such as pid controller is used to limit the maximum overshoot as well as to reduce the starting current of the machine. By labviewaided pid controller, the parameters are adjusted to control the motor speed in close loop. Apr 25, 2017 first of all open ni labview software on your laptop or pc so that we could design the gui for dc motor direction control in labview. To control a dc motor, we built a system using labview as the main controller and processor with a usb6008 daq module as the interface, an hbridge as the subcontroller, and a hall effect encoder of the motor as the sensor see figure 1. Speed control of dc motor using fuzzy logic based on labview. When mechanicaly loaded, the system will increase pwm in an attempt to maintain actual speed at target speed level. The full blown gives pid control over speed parameter, pretty much as the cruse control feature found on modern cars. We have implemented the pid controller algorithm which is a popular controller in industries.

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 this paper, section i includes the introduction to control system, dc motor and different controlling techniques of motor. Closedloop motor control setting jumper j3 to the pi position with the jumper cap farther from the potiometer, feeds the 5bit setpoint signal and the measured motor speed to a proportionalintegral controller. This paper presents an implementation of selftuned pid controller fpid for speed control of dc. Dc motor speed control using pid controller implementation by simulink and practical 45 the open loop characteristics of voltagespeed and torquespeed relationship are shown in table 2 and 3. In this project we will be using pid for speed control of a dc motor. Labview will in turn pass this speed to the dc motor using a pwm pins on the arduino uno board. In this tutorial, we will design the velocity controller for a dc motor. Pid controller design for a dc motor file exchange. Speed control of bldc motor using adaptive fuzzy pid. Dc motor speed control using pid controller in lab view citeseerx. From tachometer, the output is sent back to the pid controller in labview via arduino board. A mathematical model of the process has been developed using real plant data and then conventional controllers and fuzzy logic controller has been designed.

The transfer function of the pid controller looks like the following. Rightclick on the above vi snippet and select save image as. Description of the parameter parameter value armature resistance ra 0. This lab gives basic insight into parameters that define the motor so the student can later accurately control speed and position. Dc motor using a pid controller in labview with arduino by. This project basically is about designing pid controller using labview 8. Diode d2, connected in antiparallel with the dc motor, limits the back e. The speed of the dc motor will be set by creating a graphic user interface gui for pid controller in labview. Dc motor control using labview and arduino labview gui based speed control with easy step by. Control tutorials for matlab and simulink pi control of dc. In closedloop control variations in motor load or power supply voltage are automatically compensated for. Pid control for motor speed control arduino stack exchange.

The output at pin 3 of ic1 is fed to transistor t1, which, in turn, drives the dc motor through high power switching transistor t2 at the selected speed. Labview provides a graphical programming environment suited for highlevel or systemlevel. As we see, our control system is not tracking very well. May 02, 20 mitsumi dc encoder motor controlled by pid dc servo driver duration. Controlling the speed of a dc motor using labview ijareeie. Using the labview pid control toolkit with the labview control.

Im doing a control engineering project, implementing a pid motor position control for automatic antenna tracking system. In our previous article we have seen how to program arduino with labview. Create a closedloop system by using the pid controller block, then tune the gains of pid controller block using the pid tuner. Labview will send serial command to the dc motor using the pwm pins on the. Arduino motor pid speed control arduino project hub. Design of controller by applying several methods in. These tutorials are based on the control tutorials developed by professor.

The application demonstrated in this tutorial uses the mydaq or elvis ii to adjust the speed of a dc motor with pid control in labview. Pulsewidth modulation, pi control, pole placement, steadystate error, disturbance rejection, saturation, integrator windup, embedded control. Response of the actual quanser dc motor with our pi closedloop controller. The dc gain of the plant transfer function is 120, so 0. The tachometer instrument measuring rotation speed of the motor uses a hall effect switch that turns on and off with the angular motion of a small magnet attached to the motor shaft. Pid controller compares the actual speed of the dc motor with the set. Building a pid controller with your computer duration. Abstract the thesis describes about the concept of dc motor and speed control separately excited dc motor. Go to the block diagram window and right click on it. Design and analysis of speed control using hybrid pidfuzzy. Speed control for brushless dc motors using pid algorithm. Optimal design of pid controller for the speed control of. Speed control of dc servo motor using pid controller youtube.

Ideally what im trying to do is utilize a pwm output pin to control the speed of the dc motor. The structure of the control system has the form shown in the figure below. The arduino pro mini is used to store motor controls, pid algorithms, and to communicate with the pc. In this activity we will design and implement a speed controller for a simple dc motor. Rendered by pid 12458 on r2app0b3e3f3a9df1ff2b0 at 20190703 00. The chosen of pid controller is because it is the simplest controller available. The proportional integral derivative pid controller is the most common form of feedback used in the control systems. The modeling, control and simulation of the bldc motor have been done using the software package matlabsimulink. Tachometer is a sensor which measures the revolutions. Choose the encircled visa configure serial port and. In particular, we will choose and tune the gains of a pi. Aug 29, 2016 a common actuator in control systems is the dc motor.

The experimental results verify that a adaptive fuzzy pid controller has better control performance than the both fuzzy pid controller and conventional pid controller. We can now run the labview program and control the speed of the quanser dc motor from the labview front panel. To design the pid controller and tune it using matlabsimulink. Dc motors are used in numerous industrial applications like servo systems and speed control applications. Concepts of dc motor for there are two types of motor. With pid control, the speed of a motor can be archived exactly. Closedloop control with ni labview and a dc motor duration.

The speed of dc motor is controlled using arduino programming platform and matlabs simulink coder. This lab introduces students to using transfer functions to create models for how a dc motor behaves. Pdf dc motor speed control using pid controller in lab view. This paper describes the speed control of a dc shunt motor using conventional controllers pid, imc and fuzzy logic controller based on matlab simulation program. Go to functions instrument io serial and you can see different serial blocks like visa write, visa read, visa serial etc. In this demonstration you will see how to quickly tune the pid controller for a planned model in simulink. Real time dc motor speed control using pid controller in. Speed control of a dc motor using controllers science. Pid motor control ni community national instruments.

The motor cannot stop at set point value near 0 degree 350 359, 0 10 degree. To control the speed of dc motor with pid controller using matlabsimulink application. Design a pid controller for a dc motor modeled in simulink. The pid toolset in labview and the ease of use of these vis is also. Assistance professor joseph, closed loop speed control of dc motor using pid controller, instrumentation and control engineering. Dc motor will move with the speed set by the user in labview.