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Human Detection Robot

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The advent of new high-speed technology and the growing computer capacity provided realistic opportunity for new robot controls and realization of new methods of control theory. This technical improvement together with the need for high performance robots created faster, more accurate and more intelligent robots using new robots control devices, new drives and advanced control algorithms. This Project deals with live personal detection robot is based on 8 bit Microcontroller. This Robot follows which is drawn over the surface. Here we are using PIR sensor for detect the which are detect human. The project is mainly used in the DEBRIS for Earth quake rescue. Internally it consists of IR sensors. The infrared sensors are used to sense the live persons. All the above systems are controlled by the Microcontroller. In our project we are using the popular 8 bit microcontroller. The Microcontroller is used to control the motors. It gets the signals from the PIR sensors and it drives the motors according to the sensor inputs. Two DC Garemotors are used to drive the robot.

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Human Detection Robot

  1. 1. 10/12/2015 1
  2. 2. TOPIC: HUMAN DETECTION ROBO ELECTRONICS AND COMMUNICATION S6 PROJECT GROUP- 1 MEMBERS SUDEESH VS VINEETH A V DHANYA XAVIER ASHMI T ISSAC SIBIN SEBASTIAN 10/12/2015 2
  3. 3. INTRODUCTION •The novel idea of this project is to locate the human presence using the robot which is controlled through RF ZIGBEE communication. •This project can find its application in military and security where without our presence we can get to know the status of the other side. •This project can also be used to navigate around the disaster areas and try to find humans who need help.10/12/2015 3
  4. 4. BLOCK DIAGRAM ROBO SECTION 10/12/2015 4
  5. 5. REMOTE SECTION 10/12/2015 5
  6. 6. CIRCUIT DIAGRAMS 10/12/2015 6
  7. 7. REMOTE SECTION 10/12/2015 7
  8. 8. COMPONENT STUDY  PIC 16F877A  ZIGBEE  LM35 TEMPERATURE SENSORS  LPG SENSOR MQ6  PIR SENSOR  OBSTACLE SENSOR  L293D MOTOR DRIVER 10/12/2015 8
  9. 9. PIC 16F877A  PIC is a family of Harvard architecture  RISC microcontroller.  Why PIC16F877A is very popular?  What is the advantages of PIC16F877A? 10/12/2015 9
  10. 10. PIN DIAGRAM OF PIC16F877  PLASTIC DUAL IN-LINE PACKAGE (DIP) 10/12/2015 10
  11. 11.  As you can see the PIC16F877A is rich in peripherals so you can use it for many different projects. Bubble diagram of PIC16F877 10/12/2015 11
  12. 12. ZIGBEE •There are many wireless monitoring and control applications in industrial and home environments which require longer battery life, lower data rates and less complexity than those from existing standards. •A new standard called IEEE 802.15.4 has been developed by IEEE. The new standard is also called Zig Bee 10/12/2015 12
  13. 13.  This allows ZigBee networks to be formed ad-hoc, with no centralized control or high-power transmitter/receiver able to reach all of the devices.  Any ZigBee device can be tasked with running the network 10/12/2015 13
  14. 14. LM35 TEMPERATURE SENSORS  The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. •Calibrated directly in ° Celsius (Centigrade) •Linear + 10.0 mV/°C scale factor •0.5°C accuracy guaranteeable (at +25°C) •Operates from 4 to 30 volts •Less than 60 µA current drain •Low self-heating, 0.08°C in still air •Rated for full -55° to +150°C range 10/12/2015 14
  15. 15. LPG SENSOR MQ6  They are used in gas leakage detecting equipments in family and industry.  This sensor suitable for detecting of LPG, iso-butane, propane, LNG • High sensitivity to LPG, iso-butane, propane • Small sensitivity to alcohol, smoke. • Fast response . • Stable and long life • Simple drive circuit 10/12/2015 15
  16. 16. PIR SENSOR  A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view.  The term passive in this instance refers to the fact that PIR devices do not generate or radiate any energy for detection purposes 10/12/2015 16
  17. 17. OBSTACLE SENSOR  This sensor is a short range obstacle detector with no dead zone.  It has a reasonably narrow detection area  Range can also be increased by increasing the power to the IR LEDs or adding more IR LEDs 10/12/2015 17
  18. 18. L293D MOTOR DRIVER  The L293D are quadruple high-current H –bridge drivers.  The L293D is designed to provide bidirectional drive currents of up to 600-mA at voltages from 4.5 V to 36 10/12/2015 18
  19. 19. 10/12/2015 19
  20. 20. 293D LOGIC TABLE.  • Pin 2 = Logic 1 and Pin 7 = Logic 0 | Clockwise  • Pin 2 = Logic 0 and Pin 7 = Logic 1 | Anticlockwise  • Pin 2 = Logic 0 and Pin 7 = Logic 0 | Idle [No rotation]  • Pin 2 = Logic 1 and Pin 7 = Logic 1 | Idle [No rotation]  In a very similar way the motor can also operated across input pin 15,10 for motor on the right hand side. 10/12/2015 20
  21. 21. HELICAL GEAR MOTOR:  A unit which creates mechanical energy from electrical energy and which transmits mechanical energy through the gearbox at a reduced speed.  A gearhead and motor combination to reduce the speed of the motor to obtain the desired speed or torque. 10/12/2015 21
  22. 22. LCD DISPLAY  LCD (Liquid Crystal Display) screen is an electronic display module and find a wide range of applications.  A 16x2 LCD display is very basic module and is very commonly used in various devices and circuits.  A 16x2 LCD means it can display 16 characters per line and there are 2 such lines. 10/12/2015 22
  23. 23. SYSTEM WORKING  From the transmitter end we are controlling the robotic action which will be sent to the remote end via zigbee.  If any obstacle is detected, the LCD at the transmitter end will receive information about it. and try to avoid the obstacles automatically.  Now in between the movements of the robot, if any human activities are observed by the human tracking sensor then it will transmit alert to the controller And stop the robot and produce alarm. 10/12/2015 23
  24. 24. ALGORITHM OF PROGRAM  Step 1: Start  Step 2: Initialize micro controller  Step 3: Initialize motors  Step 4: Initialize PIR sensor  Step 5: receive commands form remote Monitor PIR sensor ,gas sensor ,obstacle sensor  Step 6: If obstacle detected motor rotates in specified direction send obstacle info to remote If human detected motor stops and buzzer on send human info to remote Step 7: read the temperature and gas status send info to remote go to step 5  Step 8: Stop 10/12/2015 24 ROBO SECTION
  25. 25.  Step 1: Start  Step 2: Initialize micro controller  Step 3: Initialize lcd  Step 4: Initialize key  Step 5: Monitor key pad  Step 6: If key press detected send command to robo for specified key function  Step 7: If command from robo detected ,display info specified by each command function go to step 5  Step 8: Stop 10/12/2015 25 REMOTE SECTION
  26. 26. APPLICATIONS  Gas leakage detector:  A security robot  Home automation:  Military applications: 10/12/2015 26
  27. 27. LIMITATIONS OF THE PROJECT  This project is a microcontroller-based project. The main limitation is the size of ROM available on the chip for programming.  RF Communication cannot be extended for some more distance. 10/12/2015 27
  28. 28. CONCLUSION  The project “HUMAN DETECTION ROBOT” has been successfully designed and stimulated . 10/12/2015 28
  29. 29. REFERENCES  PIC16F877ADatasheet, http://ww1.microchip.com/downloads/en/device doc/39582b.pdf  L293DDatasheet, http://users.ece.utexas.edu/~valvano/Datasheets/ L293d.pdf  WWW.EFY.COM  WWW.ieee.com  www.google.com  Pic microcontroller –Muhammad ali Mazidi 10/12/2015 29
  30. 30. THANK YOU 10/12/2015 30
  31. 31. 10/12/2015 31

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