Cellphone Operated Robotcv

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CELLPHONE OPERATED ROBOTA Project Report Submitted by B.VINOD KUMAR (2210409106) G.PRATAP VAMSI (2210409143) At ECIL-ECIT (Electronic Corporation of India Limited) Under the esteemed guidance of Mr.P.B.RAMAKRISNA (SDGM, CED) ELECTRONICS AND COMMUNICATIONS DEPARTMENT At GITAM UNIVERSITY

DECLARATIONI hereby declare that the project entitled CELLPHONE OPERATED ROBOT submitted for the ELECTRONICS AND COMMUNICATION DEPARTMENT. This dissertation is our original work and the project has not formed the basis for the award of any degree, associate ship, fellowship or any other similar titles and no part of it has been published or sent for publication at the time of submission.

By

B.VINOD KUMAR (2210409106) G.PRATAP VAMSI (2210409143)

ECIL PROFILEECIL was setup under the Department of Atomic Energy on 11th April, 1967 with a view to generate a strong indigenous capability in the field of professional grade electronics. The initial accent was on total self-reliance and ECIL was engaged in the design development, Manufacture and Marketing of several products with emphasis on three technology lines viz. Computers, Control Systems and Communications. Over the years, ECIL pioneered the development of various complex electronics products without any external technology help and scored several firsts in this fields prominent among them being countrys

First Digital Computer First Solid State TV First Control & Instrumentation of Nuclear Power Plants First Earth Station Antenna First Computerized Operator Information System First radiation Monitoring & Detection System First Automatic Message Switching System First Operation & Maintenance Center for E-108 Exchange First Programmable Logic Controller First Solid state Cockpit Voice Recorder First Electronics Voting Machines

The company played a very significant role in the training and growth of high caliber technical and managerial man power especially in the fields of Computer and Information Technology. Though the initial thrust was on meeting the Control & Instrumentation requirements of the Nuclear Power Program, the expand scope of self-reliance pursued by ECIL enabled the company to develop various products to cater to the needs of Defense, Civil Aviation, Information & Broadcasting, Telecommunications, Insurance, banking, Police and Para-Military Forces, Oil & Gas, Power, Space Education, Health, Agriculture Steel and Coal Sectors and various user departments in the Government domain. ECIL thus evolved as multiproduct company serving multiple sectors of Indian economy with emphasis on import of country substitution and development of products & services that are of economic and strategic significance to the country.

Established: 1967 Location: Hyderabad, IndiaIn addition to its primary focus on chosen areas like Strategic Electronics and IT, the Company took upon itself certain areas with a view to sub serve certain obligations of enterprises. Mostly, they are confined to the societal and rural sectors focusing on the health care, education, agriculture and such related areas.

ABSTRACTMost of Artificial Intelligence will eventually lead to robotics. Most neural networking, natural language processing, image recognition, speech recognition/synthesis research aims at eventually incorporating their technology into the epitome of robotics the creation of a fully humanoid robot.

The field of robotics has been around nearly as long as Artificial Intelligence but the field has made little progress. This is only natural, since the field not only attempts to conquer intelligence, but also the body that embodies it a formidable task. Robotics, though, is not just about humanoid robots; but also about their commercial applications in manufacturing, safety and hundreds of other fields. It is only relatively recently that robots have started to employ a degree of Artificial Intelligence in their work many robots required human operators, or precise guidance throughout their missions. Slowly, robots are becoming more and more autonomous. Robotics is an absolutely fascinating field that interests most people. Robot is a system that contains sensors, control systems, manipulators, power supplies and software all working together to perform a task. Robot should have Sensing, Movement, Energy and Intelligence characteristics. This project deals with one of the application of robotics. In this project one moving object is developed such that it is moved as per commands given by master through Mobile phone and that command is received by mobile phone which is placed on the robot and give information to the DTMF IC which is connected to the microcontroller. This project is equipped with DC motor GSM mobile phone, DTMF IC, Micro controller along with the Power supply unit. Robot finds it applications in the real time in Defense applications, Satellite system, Flight tracking system, car race and Cerebella control.

TOPICS INDEX1. INTRODUCTION 1.1. How to build Cell phone Operated Robot 1.2. Block Diagram

2. INTRODUCTION TO MICROCONTROLLER 2.1. Major features of Microcontrollers 2.1.1. Why AT89S52? 2.2. AT89S52 Microcontroller Architecture 2.3. Pin Description 2.3.1. AT89S52 Oscillator and Clock 2.4. Special Function Registers 2.4.1. SFR Types 2.4.2. SFR Descriptions 2.5. Conclusion 3. LIQUID CRYSTAL DISPLAY 3.1. Specifications of LCD 3.1.1.16*2 Alphanumeric LCD module features 3.2. Types of LCDs 3.3. Interfacing LCD to 8051 Microcontroller 3.4. Schematic Diagram of LCD 3.5. Circuit Description 4. INTRODUCTION TO EMBEDDED SYSTEMS 4.1. Introduction 4.1.1. Definition of Embedded system 4.1.2. Features of Embedded system 4.1.3. Characteristics of Embedded system 4.1.4. Overview of Embedded system Architecture 4.1.5. Applications of Embedded system 4.2. Types of Embedded system 4.2.1. Standalone Embedded system

4.2.2. Real time embedded system 4.2.3. Networked information appliances 4.2.4. Mobile devices 4.3. Programming Language 5. HARDWARE DESCRIPTION 5.1. Schematic Block diagram 5.2. DTMF (Dual Tone Multi frequency) 5.2.1. Introduction 5.2.2. HT917D/B features 5.2.3. Pin Description 5.2.4. Circuit Diagram 5.3. Motor Driver (L293D) 5.3.1. Introduction 5.3.2. Pin Description 5.3.3. Circuit description 5.4. DC Motor 5.4.1. DC motor features 6. REGULATED POWER SUPPLY 6.1. Introduction 6.1.1. Transformer 6.1.2. Rectifier 6.1.3. Filter 6.1.4. Regulator 7. KEIL SOFTWARE 7.1. Introduction 7.1.1. Keil Software Program Procedure

8. FUTURE SCOPE 9. CONCLUSION 10. REFERENCES

FIGURES INDEX2.1. Functional Block Diagram of AT89S52 2.2. Pin Diagram of AT89S52 2.3. Oscillator & Timing Circuit

2.4. Special Function Register Address Range 2.5.16-bit Registers 2.6. Special Function Registers 2.6.1. PCON Register 2.6.2. TCON Register 2.6.3. TMOD Register 2.6.4. SCON Register 2.6.5. IE Register 2.6.6. IP Register 3.1. Interfacing LCD to 8051 Microcontroller 3.2. Schematic Diagram of LCD 3.3.2*16 Character LCD with Backlighting 3.4. Typical pin out on a display with 1*16 pin connector 3.5. Circuit Diagram of LCD 4.1. Overview of an embedded system Architecture 4.2. Basic form of ALP 5.1. Schematic Block Diagram 5.2. General Block Diagram 5.3. Pin Diagram of HT9170D/B 5.4. Circuit diagram of HT9170d/B 5.5. Pin Diagram of L293D 5.6. Robot Directions 5.7. Circuit Diagram of L293D 5.8. Figure of DC motor 6.1. Circuit Diagram of Power Supply 6.2. Electrical Transformer

6.3. Bridge Rectifier Circuit 6.4. Positive half cycle operation 6.5. Negative half cycle operation 6.6. Three Terminal Voltage Regulator 78xx

TABLE INDEX2.1. Port pins and their alternate functions 2.2. SFRs 2.2.1. TCON Register

2.2.2. TMOD Register 2.2.3. SCON Register 3.1. Pin Description of LCD 5.1. Pin Description of HT9170D/B 5.2. Pin Description of L293D

1. INTRODUCTION

In this project the robot, is controlled by a mobile phone that makes call to the mobile phone attached to the robot in the course of the call, if any button is pressed control corresponding to the button pressed is heard at the other end of the call. This tone is called dual

tone multi frequency tome (DTMF) robot receives this DTMF tone with the help of phone stacked in the robot The received tone is processed by the atmega16 microcontroller with the help of DTMF decoder MT8870 the decoder decodes the DTMF tone in to its equivalent binary digit and this binary number is send to the microcontroller, the microcontroller is preprogrammed to take a decision for any give input and outputs its decision to motor drivers in order to drive the motors for forward or backward motion or a turn. The mobile that makes a call to the mobile phone stacked in the robot acts as a remote. So this simple robotic project does not require the construction of receiver and transmitter units. DTMF signaling is used for telephone signaling over the line in the voice frequency band to the call switching center. The version of DTMF used for telephone dialing is known as touch tone. DTMF assigns a specific frequency (consisting of two separate tones) to each key s that it can easily be identified by the electronic circuit. The signal generated by the DTMF encoder is the direct al-gebric submission, in real time of the amplitudes of two sine (cosine) waves of different frequencies, i.e. ,pressing 5 will send a tone made by adding 1336hz and 770hz to the other end of the mobile.

1.1.How to build cell phone operated Robot ?Robot, is controlled by a mobile phone that makes call to the mobile phone attached to the robot in the course of the call, if any button is pressed control corresponding to the button pressed is heard at the other end of the call. This tone is called dual tone multi frequency tome (DTMF) robot receives this DTMF tone with the help of phone stacked in the robot, The received tone is pro