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Dish position control using Geared Motor

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By using remote control we can reduce the complexity of positioning of antenna using Infrared means according to the strength of the signal.

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Dish position control using Geared Motor

  1. 1. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering By K.LAXMI KANTH (08U51A0487) G.NITHIN (08U51A0479) K.N.DIVYA SREE (08U51A0486) N.MANOJ (07U51A0460)
  2. 2. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering INTRODUCTION Aim : To move the dish in the desired direction to receive the maximum signal.  Purpose : To reduce the complexity in adjusting the position of dish.
  3. 3. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering BLOCK DIAGRAM
  4. 4. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering HARDWARE COMPONENTS: POWER SUPPLY AT89S52 MCU IR TRANSMITTER  TSOP (RECEIVER) GEARED MOTOR L293D MOTOR DRIVER IC
  5. 5. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering POWER SUPPLY 230 V AC 50 Hz 5V DC 5v RegulatorBridge rectifier
  6. 6. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering IR TRANSMITTER(LED): •Peak Wavelength 940 nm •Spectral Bandwidth 45 nm •Max Current: 100 mA •Forward Voltage 1.4V-1.5V •Power Dissipation 150 mW •Breakdown Voltage 5V
  7. 7. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering TSOP 1738 PIN DIAGRAM
  8. 8. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering Photo detector and preamplifier in one package  TTL and CMOS compatibility  Output active low  Low power consumption. TSOP 1738 FEATURES :
  9. 9. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering TSOP SPECIFICATIONS: •Supply Voltage: –0.3 to 6.0 V. •Supply Current: 5 mA. •Output Voltage: –0.3 to 6.0 V. •Output Current: 5 mA. •Operating Temperature Range: –25 to +85°C
  10. 10. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering  RC-5 Protocol: 2 start bits,1 toggle bit,5 bit address and 6 bit command Carrier frequency of 36kHz Constant bit time of 1.778ms (64 cycles of 36 kHz) Manufacturer Philips
  11. 11. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering Typical pulse train of RC-5 message
  12. 12. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering GEARED MOTOR: Principle Working Applications
  13. 13. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering L293D MOTOR DRIVER IC: Wide supply-voltage range: 4.5V to 36V Separate input logic supply Internal ESD protection Output current 600 mA  It can drive two motors in both clockwise and anti-clockwise direction
  14. 14. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering PIN DIAGRAM OF L293D
  15. 15. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering INTERFACING OF MOTOR WITH L293D :
  16. 16. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering MICROCONTROLLER(AT89S52) • 4.0V to 5.5V Operating Range • Fully Static Operation: 0 Hz to 33 MHz • 256 x 8-bit Internal RAM • 32 Programmable I/O Lines • Three 16-bit Timer/Counters
  17. 17. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering Pin Configurations of AT89S52
  18. 18. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering SCHEMATIC DIAGRAM:
  19. 19. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering SOFTWARE: •ASSEMBLY LANGUAGE •KEIL MICRO VISION
  20. 20. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering Applications:  The position of dish is used in DTH were the signals are received directly from satellite. The dish position control system is used on the top of cars where the media access signals.  The position of antenna is used in GPS tracking system.
  21. 21. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering Future scope: Positioning of dish can be implemented using RF means where the dish position can be adjusted very efficiently.  Using RF transmission the dish position can be controlled from a distance of 200meters.
  22. 22. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering Conclusion: The position of the dish is controlled by using the IR means i.e., using remote control the position of dish is adjusted with the help of geared motors to get the maximum reception of signal.
  23. 23. DRK College of Engineering & Technology DISH POSITIONING CONTROL BY GEARED MOTOR   Project- SeminarDate: 19-APR-2012 Department of Electronics & Communication Engineering THANK YOU

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