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PROJECT DESCRIPTION

The main objective of this project is to synchronize the speed of multiple motors in industries using RF technology.

Multiple motors used in industries like textile mills, steel plants, and paper mills, etc., use conveyor belts for the synchronization of the motors to maintain constant loads. This is achieved by interfacing independent microcontrollers to each motor witha speed sensing arrangement. Thisproject uses 3 motors for demonstration purposes.

The project uses 8051 microcontroller,which is interfaced with RF transmitter and receiver for speed synchronization. The IR transmitter and photodiodesensing set is connected to the microcontroller for counting the number of rotations per minute of the DC motor as speed sensor.  Opto-coupler is connected to trigger the MOSFET for driving the BLDC motor in PWM mode, whichis duly interfacedto the microcontroller.

In this system, one motor output is given as the reference speed for the other motors. Thus, if a particular speed is set by the transmitter, then all the othermotors run with the same speed by utilizing radio-frequency communication. Here BLDC motors are used to get speed control by the PWM pulses. The pulse-width output from the microcontroller is automatically adjusted to maintain the DC power to the motor such that the entered speed percentage matches the running RPM at all the other 2. In various stages of operations, motors have to rotate at different speeds, so if we change the speed in the transmitting  motor, then the rest of the motors get adjusted accordingly.

The future scope of this project is to improve the intelligence parametersof the whole system –for instance, if any, of the motor develops any fault, the whole system will get shutdown.

×

The main objective of this project is to synchronize the speed of multiple motors in industries using RF technology.

Multiple motors used in industries like textile mills, steel plants, and paper mills, etc., use conveyor belts for the synchronization of the motors to maintain constant loads. This is achieved by interfacing independent microcontrollers to each motor witha speed sensing arrangement. Thisproject uses 3 motors for demonstration purposes.

The project uses 8051 microcontroller,which is interfaced with RF transmitter and receiver for speed synchronization. The IR transmitter and photodiodesensing set is connected to the microcontroller for counting the number of rotations per minute of the DC motor as speed sensor.  Opto-coupler is connected to trigger the MOSFET for driving the BLDC motor in PWM mode, whichis duly interfacedto the microcontroller.

In this system, one motor output is given as the reference speed for the other motors. Thus, if a particular speed is set by the transmitter, then all the othermotors run with the same speed by utilizing radio-frequency communication. Here BLDC motors are used to get speed control by the PWM pulses. The pulse-width output from the microcontroller is automatically adjusted to maintain the DC power to the motor such that the entered speed percentage matches the running RPM at all the other 2. In various stages of operations, motors have to rotate at different speeds, so if we change the speed in the transmitting  motor, then the rest of the motors get adjusted accordingly.

The future scope of this project is to improve the intelligence parametersof the whole system –for instance, if any, of the motor develops any fault, the whole system will get shutdown.

PROJECT HIGHLIGHTS
Speed Sync via Serial RF.
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
×
Speed Sync via Serial RF.
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
Hardware Requirements
  • 8051 series Microcontroller
  • Crystal
  • RF MODULE
  • LEDs
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • IR sensor
  • MOSFET
  • Keypad
  • Transistor
  • Opto-isolator
  • BLDC fan
×
  • 8051 series Microcontroller
  • Crystal
  • RF MODULE
  • LEDs
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • IR sensor
  • MOSFET
  • Keypad
  • Transistor
  • Opto-isolator
  • BLDC fan
Software Requirements
  • Keil compiler
  • Language: Embedded C or Assembly
×
  • Keil compiler
  • Language: Embedded C or Assembly
Q & A
Q:  Which microcontroller is used in this project?
A:  A 40 pin microcontroller from 8051 family is used in this project.
Q:  Can I use stepper/ induction motor to synchronize the speed of three motors?
A:  No, we cannot use stepper/induction motor to synchronize the speed of three motors.
Q:  How are the readings displayed by the microcontroller?
A:  By receiving data serially through encoder/ decoder by RF, readings are displayed by the microcontroller.
Q:  What distance can RF support?
A:  Distance up to 50 feet is supported.
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