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PROJECT DESCRIPTION

The main objective of this project is to synchronize the speed of multiple motors in industries using wireless 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 with a speed sensing arrangement. This  project uses 3 motors for demonstration purposes.

The project uses PIC microcontroller wherein RF transmitter and receivers are interfaced to this microcontroller for speed synchronization. The IR transmitter and photodiode sensing  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, which is duly interfaced to the microcontroller.

In this system, one motor output is given as reference speed for the other motors. Thus, if a particular speed is set in the transmitter, then all the other motors run with the same speed by radio-frequency communication. Here  BLDC motors are used to operate 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 transmitting the motor, then the reset of the motors get adjusted accordingly.

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

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The main objective of this project is to synchronize the speed of multiple motors in industries using wireless 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 with a speed sensing arrangement. This  project uses 3 motors for demonstration purposes.

The project uses PIC microcontroller wherein RF transmitter and receivers are interfaced to this microcontroller for speed synchronization. The IR transmitter and photodiode sensing  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, which is duly interfaced to the microcontroller.

In this system, one motor output is given as reference speed for the other motors. Thus, if a particular speed is set in the transmitter, then all the other motors run with the same speed by radio-frequency communication. Here  BLDC motors are used to operate 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 transmitting the motor, then the reset of the motors get adjusted accordingly.

The future scope of this project is to  improve the intelligence parameters of 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
  • PIC16F8 series Microcontroller
  • Crystal
  • RF MODULE
  • LEDs
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • IR sensor
  • MOSFET
  • Keypad
  • Transistor
  • Opto-isolator
  • BLDC fan
×
  • PIC16F8 series Microcontroller
  • Crystal
  • RF MODULE
  • LEDs
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • IR sensor
  • MOSFET
  • Keypad
  • Transistor
  • Opto-isolator
  • BLDC fan
Software Requirements
  • MPLAB & CCS C compile
  • Language: Embedded C or Assembly
×
  • MPLAB & CCS C compile
  • Language: Embedded C or Assembly
Q & A
Q:  Can I use bigger Stepper or Induction motor to synchronize the speed of three motors?
A:  No, bigger stepper motor or induction motor cannot be used.
Q:  How are the readings displayed by the microcontroller?
A:  The readings in form of parallel data are received by the microcontroller, from the decoder and then processed to be displayed.
Q:  What is the distance of RF it can support?
A:  It can support distance till 50 feet.
Q:  How should I feed the required speed to synchronize to the main motor?
A:  One can feed the required speed with the help of on board keypad.
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