Universal motor speed control using pic microcontroller pdf

The goal of this project is to design a dc motor speed control system by using microcontroller pic16f877a. Pdf bidirectional speed control of dc motor based on. This is our 11th tutorial of learning pic microcontrollers using mplab and xc8. This technical article help you to design variable speed driver for induction motor using pic microcontroller. The universal motor used in this application note runs from 120v240v ac. This paper is mainly concerned on dc motor speed control system by using microcontroller pic 16f877a. Speed control of induction motor using pic microcontroller. I already posted about interfacing dc motor with pic microcontroller. In conclusion, it was found that this application may be more secure speed control method than the others.

Rambabu in partial fulfillment of the requirements for the award of master of technology degree in electrical engineering with specialization in power. If you have worked with any variant of the 8051 microcontroller, you might remember that 8051 doesnt have a dedicated pwm circuitry to enable pwm mode. In our robotics applications we may have to control the speed of the dc motor. For stepper motor control it has to be used hbridge as well as amplifier in one module. Speed control of a dc motor using microcontroller 8051 a project report submitted by s.

We are using 28byj48 stepper motor for this project which is cheap and easily available. Finding a balance within these constraints can be accomplished. But when it comes to controlling the speed using microcontrollers. Pdf speed control of dc motor using microcontroller. Dc motor interface with pic microcontroller youtube. Pdf universal motor speed control with current controlled.

A digital speed control application on the universal motor with pic microcontroller. Pdf a digital speed control application on the universal. You are thinking that we can manage the speed or energy by using different type of resistor like variable resistor. An2184 universal motor drive with pic16 microcontrollers. A digital speed control application on the universal motor with pic microcontroller article pdf available january 2007 with 1,179 reads how we measure reads. Brushless dc motor control made easy 20022019 microchip technology inc. Ac motor speed control for single phase induction motor with pwm ac speed control using microcontroller and android remote. A small video describing a way to interface a dc motor with pic microcontroller. Currently, stepper motor has been used in several applications such as in antennas, telescope, hard disk drives, toys and in robotic ind.

Armature voltage is varied by pulse width modulation pwm of input dc voltage. Pwm dc motor speed controller circuit using pic16f877a. Arockia edwin xavier thiagarajar college of engineering,electrical and electronic engineering madurai,tamil nadu email. The best method for speed control of dc motor is the use of pulse width modulation technique. I am showing a method of using a cds photoresistor to control a standard triac dimmer circuit that is wired to an electric drill motor a universal motor. 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. Dc motor speed control using pwm with pic microcontroller. Modeling of speed control of bldc motor drive system 18 1. As the name implies it incorporates shunt and serial connection of field and armature. In this example project dc motor is interfaced with pic microcontroller using l293d motor driver. Precise timing allows for accurate speed and torque control, as well as ensuring the motor runs at peak efficiency.

A digital speed control application on the universal motor. Apr 16, 2016 through the project, it may be ended that microcontroller pic 16f877a will management motor speed at desired speed though theres a variation of load. In the interfacing dc motor with pic microcontroller article, we learnt how to interface a dc motor with pic microcontroller using hbridge circuit constructed from four mosfet transistors or using a motor controller chip like the l293l293d. The uln2003 ic and the l293d motor driver are used to drive the stepper motor as the controller cannot provide current required by the motor. These are a lot comparative to those of dc series motors but the series motor develops less torque when working from an ac supply than when working from an equivalent dc supply. This is a method to control the output voltage with the of constant frequency switching and by adjusting on duration of switching and in other words by changing duty cycle of switching. Induction motors runs at specific speed when power is supplied to induction motor. This module will allow you to easily and independently control two motors of up to 2a each in both directions. Jan 26, 20 i already posted about interfacing dc motor with pic microcontroller. Universal motor drive with pic16 microcontrollers microchip. We have dc motors in toys, irrigation pumps, robotics, drills and in many applications. A pic based speed control scheme has been developed, in which l293d is used as an interface between motor and microcontroller. This paper reports a microcontroller based control system to change the speed and direction of rotation of dc motor.

The characteristics and concert of the dc motor speed control system was discussed. The fuzzy logic controller flc was also adopted in 16 for the control of the speed of brushless dc motors. Here is a simple project on how to control fan or dc motor speed with microchip pic16f877 microcontroller. Circuit of microcontroller based dc motor speed controller d c motor speed controllers are very useful for control ling the motion of robotic and industrial automation systems. In this tutorial we will see how to control the speed of a dc motor using pulse width modulation pwm. Ac power control with thyristor using pic microcontroller project is designed to control ac power flow across load. The design showed good velocity tracking performance under both load and noload conditions. This tutorial is about dc motor speed control with a pic microcontroller using the pwm method. A universal hand tool motor usually just uses a simple triac controller. Pdf on feb 15, 20, bashir jamadar and others published pic microcontroller based speed control of three phase induction motor using single phase supply find, read and cite all the research. Ac power control with thyristor using pic microcontroller. Dc motor speed control using microcontroller pic16f877a. The pwm wave for speed control is generated using atmel at89c52 microcontroller.

Vfd speed control of three phase induction motor by vf. Dc motor speed control using pwm of pic microcontroller. To achieve the speed control dac is used which generates voltages gradually according to. Aug 21, 20 in our last pic online tutorial we have covered pwm generation using pic microcontroller. In this paper, a pic microcontroller is designed with a dcdc boost converter for the motor speed controller system. Three phase induction motor protection system using pic microcontroller.

Phase angle control method is used for ac power control with thyristor. There are numerous ways to control the speed of motor or fan. This combination was chosen because the icd is inexpen. Speed control of dc motor using pic microcontroller. The coils are activated, one phase after the other, by the drive. A digital speed control application on the universal motor with pic. In applications where both high starting torque and good speed regulation is needed, the compound connection is used. Through the project, it may be ended that microcontroller pic 16f877a will management motor speed at desired speed though theres a variation of load. Programming the pic16f877a microcontroller for speed. So, we used pwm to supply limited amount of power to a load and by this we can manage the energy or speed of the dc motor with ease. Uln2003 is a darlington pair array, which is useful to drive this motor, since pic microcontroller couldnt provide enough current to drive. This will also provide an opportunity to motor applications to have a very efficient digital signal control that brings less power consumption feature to the entire system. For real interfacing, you need a current driver stage because the controller has low current drive capability. The main advantage in using a dc motor is that the speed torque relationship can be varied to almost any useful form.

Universal motor speed control using microcontroller all. Thus, this is all about the design and construction of fan speed control system to control the room temperature using pic16f877a 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. Furthermore, the fan speed will boost automatically if the room temperature is raised. We are also using a module available with this motor which consist uln2003 stepper motor driver ic. Apr 05, 2016 dc motor speed control using pic microontroller. A universal motor is a series wound electric motor that can operate on both ac and dc power. Pdf it is known that speed control on the universal motor by means of microprocessors is very complex and expensive. May 19, 2017 interfacing dc motor with pic microcontroller.

An899, brushless dc motor control using pic18fxx41 mcus. If you have already worked with servo motors you can skip the first half of this tutorial but if you are new to servo motor itself then continue reading. The pic16f877a microcontroller is programmed to generate two periodic pwm signals from its. Dc motors need much more current than a microcontroller can provide, so it needs separate drivers. Programming the pic16f877a microcontroller for speed control of. Programming the pic16f877a microcontroller for speed control. Currently, stepper motor has been used in several applications such as in antennas, telescope, hard disk drives, toys and in. The universal motor used in this application note runs from 120v240v ac power and is driven from a triac.

Automation results into better quality, increased production an reduced costs. Controlling a 240v ac universal motor with microcontroller. Jun, 2012 ok, so for the time being im 100% sold on the idea of using dc. In this tutorial we will see how to control the speed of a dc motor using pulse width modulation. The proposed method proved that the universal motor. To control dc motor speed with pic microcontroller, we should know about these two features. The objective of developing this project is to control the speed of dc motor.

Speed control of dc motor using pic microcontroller the. Pic16f877 based projects pic microcontroller pdf downloadable. 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. Todays industries are increasingly demanding process automation in all sectors. Aug 29, 2010 i am showing a method of using a cds photoresistor to control a standard triac dimmer circuit that is wired to an electric drill motor a universal motor. Direct current dc motor has already become an important drive configuration for many applications across a wide range of powers and speeds. Universal motor speed control by a microcontroller. Thyristor is used as a switch to control flow of power.

Later we will take a look at the circuit diagram of dc motor speed control using microcontroller. The downside is that bldc motors do need electronic management to run. Oct 29, 2018 pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. Vfd speed control of three phase induction motor by vf method using pic microcontroller. When the transistor is on, the motor starts to increase speed and off then motor loses speed.

Pc controlled stepper motor system using pic microcontroller is a system in which stepper motor position or angle is controlled through desk top computer or any laptop. In this tutorial we will learn how to control servo motor with pic microcontroller. The controller presented here uses the pulsewidth modulation pwm technique. This dual bidirectional motor driver is based on the very popular l298 dual hbridge motor driver ic. Youll need to separate its field and rotor windings, and keep the field winding connected to the full supply voltage assuming its shunt wound. An899 ds00899apage 2 2004 microchip technology inc. This embedded system works in a similar concept where we are about to control the speed of a dc motor. Interfacing stepper motor with pic microcontroller.

Stevalill004v1 universal motor speed control evaluation board. In the paper are mentioned two ways of control, namely fullstep mode and halfstep mode control. The variable speed drives, which can control the speed of a. Speed control of a universal motor electronics forum. Pwm based dc motor speed control using microcontroller. An example of a triac control system is presented and analyzed. But main problem is control the speed of induction motor. Recent development in power electronics made speed control of induction motor very easy. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering gokaraju rangaraju. Openloop control as seen in an885, bldc motors are electronically commutated based on the rotor position. Aug 06, 2014 doc speed control of a dc motor using micro controller 8051 1.

The design is applicable to computer fans and some industrial motor control. Fuzzy logic control offers an improvement in the quality of the speed response. Pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. How to control speed of dc motor using pulse width moduation and duty cycle, how to change speed using variable voltage. In this article im gonna show you one of the important applications of pwm in robotics, it is called pulse width modulation motor speed control. This project is designed using pic16f877a microcontroller and zero crossing detection circuit. There are many things which you can do with your dc motor when interfaced with a microcontroller. I trust you guys and your first hand experience, but ive been digesting your comments for the past half day and im wondering theoretically why the universal motor with triac control at low speed is a nogo. Jul 09, 2016 the best method for speed control of dc motor is the use of pulse width modulation technique. Then the pwm pulse width modulation technique is most effective. Mar 04, 2018 stepper motor control using 8051 microcontroller principle the main principle of these circuits is to rotate the stepper motor step wise at a particular step angle. The pic16f877a microcontroller was programmed and used for the control of the speed of dc motors at the desired speed range of up to 500 600 rpm with. Pdf pic microcontroller based speed control of three. The ease of control and excellent performance of the dc motors will ensure that the number of applications.

A dc brushless motor uses a permanent magnet external rotor, three phase of driving coils, one or more hall effect devices are used to sense the position of rotor, and the associated drive electronics. Universal motor speed control and light dimmer with triac and. It is ideal for robotic applications and well suited for connection to a microcontroller requiring just a couple of control lines per motor. Article pdf available january 2007 with 1,179 reads. Bldc motor control using digital signal controllers. Circuit of microcontrollerbased dc motor speed controller d c motor speed controllers are very useful for controlling the motion of robotic and industrial automation systems. This system would be able to control the dc motor speed at desired speed regardless the changes of load. So by this we can conclude the pwm can be used to vary the motor speed.

Pc controlled stepper motor system using pic microcontroller. Low cost triac control with msp430 16bit microcontroller. For example, a microcontroller using input from sensors indicating the position of the rotor is needed to energize the stator coils at the correct moment. The complete source code and reference design material are included. Temperature controlled fan using pic 16f877a gadgetronicx. Based on datasheet information and a little testing, ive found that ac phase control is possible using a very small number of components. Low cost triac control with msp430 16bit microcontroller by anton muehlhofer, texas instruments incorporated abstract this application report describes a complete triac control system using the msp430. Next, there is created measuring stand consisting of bipolar stepper motor. My goal is to design and build a universal motor speed controller based on an atmel 328p mcu and an absolute minimum number of components. Automatic fan speed control using pic16f877a microcontroller. For example you can control the speed of motor, you can control the direction of rotation, you can also do encoding of the rotation made by dc motor i. Doc speed control of a dc motor using micro controller 8051.

In this paper we proposed and design a speed control system of dc motor by using ccp module of pic microcontroller. Speed control of single phase induction motor using triac. Before going further we need to discuss the hbridge. Pdf speed control of dc motor by using pwm technique. Dc motor speed control using pwm with pic microcontroller mikroc. Two push button switches are provided to control the speed of the motor. Dc motor speed control using arduino uno circuit digest. The purpose of a motor speed controller is to take a signal representing the required speed, and to drive a motor at that speed. Ive read so many stuff about speed controlling a universal motor that i currently dont know what to do.

Dc motor speed control using pic microcontroller pwm method. Multilevel inverter design using pic microcontroller. Universal motor speed control by a microcontroller arduino. The paper deals with stepper motor control using microcontroller atmega816pu. Single phase induction motor speed control using microcontroller. Speed control of dc motor using capturecomparepulse. As i told earlier pwm has wide application in electronics and robotics engineering. Speed control of brushless dc motor using microcontroller. A portable hand tool runs off of dc it is not a universal type motor. This paper presents a design, simulation and implementation of pulse width modulation pwm speed control system of dc motor using microcontroller mcu.

Ok, so for the time being im 100% sold on the idea of using dc. There are many applications of dc motors, where we need a. Noida abstract this paper presents a technique to control. By using pwm we can easily control the average power. Advanced informative blind stick using gps and gsm module. Timer5 value is useful in determining the speed of the motor. Pdf microcontroller based dc motor speed control using. Microcontroller based speed control of a dc motor using. Microcontroller based speed control of a dc motor using pwm. This is to certify that the thesis entitled, modeling and control of a brushless dc motor submitted by s.