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PROJECT DESCRIPTION

The project is designed to control the speed of a BLDC motor using closed-loop-control technique. The speed control of the BLDC motor is required for various industrial applications such as drilling, lathes, spinning, elevators, electric bikes, etc.

This proposed system provides very precise, effective, speed-control system and facilitates its user to enter the desired speed; In this system the motor runs according to the exact set speed using PWM principle.

This is achieved by keeping the BLDC motor on a closed-loop feedback by giving RPM reference to the microcontroller upon shaft-mounted IR reflection arrangement. An LCD is interfaced to the microcontroller to display the running speed.

The desired speed in percentage of full speed is fed with the help of the keypad.  The controller delivers desired pulse width to automatically adjust DC power to motor for required speed. The above operation is carried out by using one Opto-isolator and MOSFET for driving the BLDC motor with an IR sensing for getting speed reference to microcontroller.

Furthermore, this project can be enhanced to full fledged fuzzy logic control of the BLDC motor for industrial applications. It can also be developed for an intelligent cruise control used in modern automobiles.

PROJECT HIGHLIGHTS
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
DC Motor Operation @ Desired Speed.
Call/mail for Tech Support from 10 am - 7 pm.
Can be Customized for Arduino, Raspberry Pi, PIC
BLOCK DIAGRAM
PI Control for Brushless DC Motor Running at Entered Speed
Hardware Requirements
  • 8051 series Microcontroller
  • MOSFET
  • LCD
  • Transformer
  • Voltage Regulator
  • Capacitors
  • Resistors
  • Diodes
  • Keypad
  • Opto-Isolators
  • BLDC Fan
  • IR
  • Photo Diode
Software Requirements
  • Keil compiler
  • Languages: Embedded C or Assembly.
Q & A
Q:  Which microcontroller is used in this project?
A:  The microcontroller used in this project is a 40 pin IC from 8051 family.
Q:  Can I use bigger stepper/ induction motor to sense the speed?
A:  Yes any motor with reflecting surface from shaft can be used.
Q:  What is the role of EEPROM?
A:  EEPROM is used for data restoration or backup even after power interruption.
Q:  How can I control the speed?
A:  One can control the speed by push buttons provided in the project.
READ WHAT OTHERS HAVE SAID
Average Rating
 5/5
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Showing 2 of 2 reviews
Dr. Santosh Kumar Nanda, Bhubaneswar on 30th May, 2015, 03:51 PM

Yes the kit delivered on right time with the right components.I am happy with your product and service.Yes of course.

Amit Kumar, Bhubaneswar on 25th May, 2015, 06:21 PM

The kit got delivered to me on time with all the components.I am satisfied and had good experience with Edgefx kit since we got right output as displayed on the website and the project report is good.I would like to recommend Edgefx to others because of your Good Service.

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