By varying the flux, and by varying the current through field winding. We all know that for a dc motor, to change the direction of rotation, we need to change the polarities of supply voltage of motor. So controlling of motors over gsm allows user to control machines from anywhere in the world using sms message commands. The sn754410 is a handy ic that allows you to control. Arduino pin 3 is used to turn the transistor on and off and is given the name motorpin in the sketch. A dc motor is an inductive load and can produce back emf when we are changing the direction. The ampl itude of the appl ied voltage is adjusted using the pwm technique. That is why it is more common to see pwm pulsewidth modulation used to control motors and lightsleds as well.
Sekar me embedded systems, ece, kongu engineering college, erode, india abstractthis project has an aim to control the speed of any vehicles automatically in cities and also in. In this project wewill be controlling the speed of dc motor using arduino controller. Pdf control of direct current dc motor using gsm technology. Method and system over gsm based mobile motor speed. Control the speed of brushless dc motor using bluetooth. Proper speed control selection depends on an understanding of how dc motors are affected by various grades of dc voltage.
In this project dc motors speed is controlled by sending the command through pc. We measure the departure from pure dc using the term form factor. Gsm sms controlled dc motor is automatic control system which capable of. This system dc motor controller by android is developed to control the speed of the dc motor in both clockwise and anticlockwise direction. Dc motor with speed and current closed loops, driven by etpu on mcf523x, rev. Furthermore, controlling the speed of something like a dc motor by varying the voltage even in an efficient way is a poor technique. Phase angle control method is used for ac power control with thyristor. This is a slightly more complicated way to control a motor, however it allows you to change the direction of the motor as well as the motor speed. In gsm based, the gsm pump controllers mobile pump starter are specifically design to operate remote located submersible pumps and motors for benefit of farmers, agriculture people and industries where wireless pump and motor control required. 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. The user needs to install an android application on hisher android smartphone. We here use an atmega microcontroller circuit along with gsm modem, a dc motor, lcd display and required circuitry to make this system.
In this tutorial, i will make a simple program to do the dc motor direction control using arduino. Dc motors play an important role in industrial as well as other commercial systems. Dc motor speed control using arduino uno circuit digest. Since ish is relatively small, shunt field rheostat has to carry only a small current, which means i 2 shr loss is. Ac power control with thyristor using pic microcontroller. What are the best ways to control the speed of dc motor. Speed control of a dc motor is either done manually by the operator or by means of an automatic control device. The transistor acts like a switch, controlling the power to the motor. The degree to which alternating current is rectified converted to direct current will determine the overall efficiency of the motor and control system. The electric equivalent circuit of the armature and the freebody diagram of the rotor are shown in the following figure. I already posted about interfacing dc motor with pic microcontroller. Here we are using 12v dc motor and average dc value delivered to motor can be varied by varying the duty ratio of the pwm.
The electric circuit of the armature and the freebody diagram of the rotor are shown in the following figure. Now this circuit has mainly two functions, first is to drive a dc motor from low power control signals and the other is to change the direction of rotation of dc motor. The pmdc consists of rotor or armature and a stator, which is a permanent magnet. Selecting dc motor speed controls for pmdc gearmotor or. Microcontroller based switching control of dc motor using. In this method, the magnetic flux due to the field windings is varied in order to vary the speed of the motor. The flux of a dc motor can be changed by changing ish with help of a shunt field rheostat. This paper presents an easy method to control the speed of dc motor by sending sms message from mobile phone. By decreasing the flux, the speed can be increased and vice versa. We here use an atmega microcontroller circuit along with gsm modem, a dc motor, lcd display and required circuitry to. Wireless communication is used to send commands to the project. By sending text message using short message service sms which is a part of the global system for mobile communications gsm, control signal is sent wirelessly to the control circuit. For this example, we will assume that the input of.
Dc motor is driveby using pwm technique and then using encoder to sensethe rpm of dc motor. This is different to speed regulation where the speed is trying to be maintained or regulated against the natural change in speed due to a change in the load on the shaft. Siemens tc35 gsm module has been used as a sms receiver and is connected with mcu pic16f877a to process the sms. Hi guys, in this project we will control a dc motor with a smartphone via bluetooth.
Speed control of dc motor using android mobile has industrial application and security systems application. Speed and direction control of dc motor using arduino. Remote operation is achieved by any smartphonetablet etc. Design of plc based speed control of dc motor using pi controller free download abstract the purpose of this research is to analyzeimplement pi control for a simple dc shunt motor.
There are two ways of speed control for a dc motor, field control in this method, the eld current or current through stator is varied to control the speed of. The purpose of this project is to control the speed and direction of dc motor using microcontroller and gsm modem with password protection. In this system, mobile phone is used as a control switch. Encoder produces pulses in the output, which is feed into arduino and arduino controls the speed of dc motor. You can also write arduino programs for different purpose. Get this project kit at system allows for controlling dc motor speed using sms. To control a dc motor from a microcontroller, you use switching arrangement known as an h bridge. The complex motor system is composed of a dc motor drivera tachogenerator. Abstract this paper introduces an approach to model a dc motor directly connected to 24volt pv cells supply used for solar tracking pv system and also represent the comparativeanalysis of the transient performances of series wound dc motor with a 24 volt pv cells. Gsm based motor control board can be used to control a distant pump motor, as in agricultural land.
Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and. Doc speed control of a dc motor using micro controller 8051. To provide effective control, nonlinearities and uncertainties in the model must be taken. Speed control of dc motor using pulsewidth modulation. In this example project dc motor is interfaced with pic microcontroller using l293d motor driver. Dc motor speed control using sms application semantic scholar. The control algorithm is realized using a programmable logic controller. Automation results into better quality, increased production an reduced costs. The duty cycle is defined as the percentage of digital high to digital low plus digital high pulsewidth during a pwm period. Armature voltage is varied by pulse width modulation pwm of input dc voltage by using the developed microcontrollers program. But if we introduce the speed control of the motor, we can run the motor or fan at slower speeds under normal conditions and at higher speeds when required. Get this project kit at system allows for controlling dc motor speed using sms commands using micr.
Introduction microcontroller based switching control system of dc motor using gsm module implements the emerging applications of the gsm technology. The variable speed drives, which can control the speed of a. It directly provides rotary motion and, coupled with wheels or drums and cables, can provide translational motion. Wireless dc motor speed and direction control using ir pwm and hbridge. Todays industries are increasingly demanding process automation in all sectors. The aim of this paper is to design a speed controller of a dc motor by selection of a pid parameters using genetic algorithm ga and adaptive neurofuzzy inference system anfis.
Thyristor is used as a switch to control flow of power. This mcu will process the sms received from the gsm module and convert it to suitable duty cycle for pwm pulse to control the speed of the dc motor. Dc motors are best suited for many industrial applications such as turntables, conveyors, elevator and hoists, for propulsion of electric vehicles and in drives for. A bluetooth modem is used to receive direction commands and pwm commands. Pdf speed control of dc motor by using pwm technique. In this project we are varying the speed of dc motor bldc motor by gsm sim 800 for transmitting the message for variation of speed increasing or. Dc motor could be represented by a nonlinear model when nonlinearities such as magnetic saturation are considered. Remote speed control of dc motor by android applications. Motor speed monitors and control system using gsm modem. The main advantage in using a dc motor is that the speedtorque relationship can be varied to almost any useful form. Speed control of a dc motor using microcontroller 8051 a project report submitted by s. Arduino is basically an amazing micro controller and is very easy to use because it is an open source device. This project is designed using pic16f877a microcontroller and zero crossing detection circuit. The dc motor whose speed is to be controlled using the pid controller in the fig.
Gsm based automatic motor control and protection system. In order to eliminate the effect of any back emf, four diodes are connected across the collector and emitter of each transistor. Ac power control with thyristor using pic microcontroller project is designed to control ac power flow across load. In order to control and monitor the motor, user need to be at the place where the switch is located. Another set up consisted of half bridge rectifier consisting of thyristor wherein the speed control for the same dc motor was carried. To gain control of the speed of your motor whenever you need it, you need to add a potentiometer to your circuit.
Following is the schematic diagram of a dc motor, connected to the arduino board. Doc speed control of a dc motor using micro controller 8051 1. Speed control of dc motor through wireless communication like gsm, gprs, bluetooth, zigbee, and many other wireless communication techniques. Pdf microcontroller based dc motor speed control using. Dc motor direction control using arduino the engineering.
The project is to manage the rapidity and way of dc motor using microcontroller and gsm modem with. When a call is made by the transmitter mobile then the. Pulsewidth modulation pwm or dutycycle variation methods are commonly used in speed control of dc motors. Speed and direction control of dc motor using gsm and gprs. Pdf wireless speed control of an induction motor using. This project uses the above principle to control the speed of the motor by varying the duty cycle of the pulse applied to it popularly known as pwm control. Four quadrant speed control of dc motor with androidand. Using gsm networks, a control system has been proposed. Speed control of dc motor with pc interface is an easy diy project. To control the speed, the input voltage is varied using pulsewidth modulation. This system is designed to bring convenience to the user to control the motor speed from anywhere by using sms application. There are many other applications of speed control of dc motor.
Arduino is directly connected to pc through the usb cable and command is. Wireless speed control of an induction motor using pwm technique with gsm. Precisely there have been used two mobile stations. Then the user can send commands to control the speed of dc motor. System demonstrates dc motor speed control using gsm project that allows user to control speed of dc motor using sms commands sent over gsm modem. To control the direction, the polarity of the motor is reversed. Home and industrial safety using fire and gas detection system using gsm. Motor can be switched on or of by sending sms or by missed calls. The aim of this project is to control the speed of a dc motor using the lpc2148 mcu with the help of a potentiometer. Heart attack detection and medical attention using heart beat sensor. The receiver mobile is always in auto receiving mode.
For this example, we will assume that the input of the system is. Speed control of dc motor using pid controller based on. Two push button switches are provided to control the speed of the motor. Find a space on your breadboard to place your potentiometer. L293d is a dual hbridge motor driver, so with one ic we can interface two dc motors which can be controlled in both clockwise and counter clockwise direction we can control speed of each dc motor by giving pwm to enable pin. Dc motor controlled tools which manage the stepper. Control the speed of brushless dc motor using arduino and bluetooth module hc05. Dc motor interfacing arduino with your smartphone bluetooth module l293d you can visit my website for more electro. Motor will spin in full speed when the arduino pin number 3 goes high. Dc motor speed control using pic microcontroller pwm method. The aim of this project is to control the speed and direction of a dc motor without using a motor driver ic. When switches 1 and 4 are closed and 2 and 3 are open, voltage. For this dc motor is interfaced to the 8051 microcontroller.
A common actuator in control systems is the dc motor. 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. Microcontroller based dc motor speed control using pwm technique conference paper pdf available december 2012 with 14,260 reads how we measure reads. By varying the armature voltage, and by varying the armature resistance. Dc motor speed control using pwm with pic microcontroller. Block diagram of speed control of dc motor by android application speed control of dc motor by android application. We will be using a dedicated modemmobile at the receiver module i. Gsm based motor monitoring and speed control international journal of mechanical and industrial engineering ijmie, issn no. Dc motor with speed and current closed loops, driven by. Feedback control mechanism to ensure constant speed.
363 1286 1276 1321 486 858 77 408 329 87 798 1326 800 439 320 892 1247 1517 90 291 153 245 1584 253 1197 363 1342 879 242 1088 1221 1038 754 847 1186 1044 964 93 8 598 215 1382 1299 953