Four Quadrant Operation of DC Motor Remotely Controlled by Android Application System




Four Quadrant Operation of DC Motor Remotely Controlled by Android Application System : The Four quadrant operation of dc motor remotely controlled by android application system is a very sustainable system for controlling the dc motor in fourth directions such clock wise,counter wise, reverse brake and forward brake. This specific system could also be used in that applications where we must to control the motor in fourth or two direction such as in auto industry, textile industry or robotics industry. By using this system, the users can control their desired motor from anywhere and anytime from his smart mobile phone by using android application. By using this system, the user can easily save our precious time and energy consumption. Different peoples and companies are still working on this system but their system cost is still relatively higher than our system. Here we have proposed a system that is called four quadrant operation of dc motor remotely controlled by android application system with the help of transformer, motor driver IC, Bluetooth device, android application device and microcontroller pic 18F452 belongs to pic family. you can also check more embedded system based projects.




 Block Diagram of  Four Quadrant Operation of DC Motor Remotely Controlled by Android Application System

Here is the block diagram with all essentials components of the four-quadrant operation of DC motor remotely controlled by android application system.Figure below is the Block Diagram of the Four-Quadrant Operation of DC Motor Remotely Controlled by Android Application SystemFour Quadrant Operation of DC Motor Remotely Controlled by Android Application System

Components List of  Four-Quadrant Operation of DC Motor Remotely Controlled by Android Application System

Transformer:In this four-quadrant operation of dc motor remotely controlled by android application system, the transformer is only used for step down the ac voltages. It steps down 220V ac into 12V ac. It consists of two winding’s and works on the principle of mutual induction.




Bridge Rectifier:In this four-quadrant operation of dc motor remotely controlled by android application system, the bridge rectifier is used for converting the ac voltages into dc voltages and connected at the output of transformer.

Block Diode:In this four-quadrant operation of dc motor remotely controlled by android application system, the blocking diode is used for blocking the reverse current and save the transformer.

Voltage Regulator:In this four-quadrant operation of dc motor remotely controlled by android application system, the voltage regulator is used for 12V dc into 5V dc for the supplying the power to the other components of this system. Here LM 7805 voltage regulator has been used for this purposes.

Bluetooth Device: In this four-quadrant operation of dc motor remotely controlled by android application system, the Bluetooth device is used for controlling this system through android application based mobile phone. It consists of four pins such as VCC, GND, TXD and RXD. It is interfaced with microcontroller through the serial communication IC RX 232 and is powered up with 5V dc.

PIC Microcontroller 18F452:In this four-quadrant operation of dc motor remotely controlled by android application system, the microcontroller is used for the efficient control of this system. It is 40 pins microcontroller and these pins can be configured as input or output ports. It is interfaced with Bluetooth device and motor drive IC. It is programmed in c language with the help of mikro/c software and power up through voltage regulator.

LCD Display:In this four-quadrant operation of dc motor remotely controlled by android application system, the LCD display is used for displaying the current percentage speed and direction of rotation of the dc motor. It is powered up with 5V dc and interfaced with microcontroller.

Motor Driver IC: In this four-quadrant operation of dc motor remotely controlled by android application system, the 16 pins H bridge motor driver IC is used for controlling the motor in fourth quadrants. It is interfaced with microcontroller with and powered up through voltage regulator. In this system, it is directly coupled with dc motor.

DC Motor:In this four-quadrant operation of dc motor remotely controlled by android application system, the dc motor is used here as a load for controlling its speed and direction. For controlling its direction of rotation its current is control through the motor driver IC. This motor consists of two windings filed and armature winding, the windings are powered up through the motor driver IC

Working of the Four-Quadrant Operation of DC Motor Remotely Controlled by Android Application System

This four-quadrant operation of dc motor remotely controlled by android application system works based on the selection keys pressed from any android base mobile phone. The android base mobile phone is directly interfaced with Bluetooth device and Bluetooth device is interfaced with microcontroller. Here for the demonstration purpose we would be control the fan in fourth direction such as clock wise, counter clock wise, instant brake in forward and backward direction. Here we could also change percentage speed of dc motor. When we are pressed the forward direction button, form our android mobile phone then this signal is received by the Bluetooth device through the android application device then the microcontroller is received this signal through the Bluetooth device. After that, the microcontroller switch on the motor driver IC, this motor driver IC starts the motor in forward direction.  Similarly, we can rotate the motor in reverse direction, instant brake in forward and backward direction by pressing their cross-ponding buttons from our mobile phone. In this system, we can also run the motor at different speeds such as 10%,20%,50% or 100 %by pressing the speed changing button. We could also see this percentage speed change of dc motor through the LCD display.

Applications and Advantages of the Four-Quadrant Operation of DC Motor Remotely Controlled by Android Application System

  1. This system could be used in that industrial applications where we must control the motor in fourth direction such as in auto industry and industrial industry.
  2. This system be could be used in robotic industry for controlling their direction and speed.
  3. This system is less costly and reliable as compared the other systems.
  4. By using this system, we can easily control the speed or direction of our dc motor from anywhere and anytime.
  5. By using this we can reduced the monthly bill and our precious time.



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