ROBOTIC ARM

A MAJOR PROJECT REPORT

ON

ROBOTIC ARM WITH WIRELESS COMMUNICATION

PRESENTED BY:A.APOORVA(11c81AO407)K.LAVANYA(11c81a0457)G.JOSHNA DEVI(11c81a0447)K.SRAVAN KUMAR(11c81a0472)

UNDER THE GUIDENCE OF:Mrs.D.SAILAJA M.TECH.(Ph.D).,

ASSOCIATE PROFESSOR,HEAD OF THE DEPARTMENT.

TABLE OF CONTENTS

1) INTRODUCTION

2) SYSTEM DESIGN

3) ELECTRONIC ASPECT

4) MECHANICAL ASPECT

5) PCB DESIGNING

6) SALIENT FEATURES

7) COMPONENTS USED

8) CONCLUSION

9) REFERENCE

ABSTRACTNow a day’s every system is automated in order to face new challenges in the

present day situation. Automated systems have less manual operations, flexibility,

reliability and accurate. Due to this demand every field prefers automated control

systems. Especially in the field of mechanics automated systems are doing good

performance.

In this system, the robot is fitted with total of five stepper motors. A

micro controller is used to control all operations. It moves the arm in all directions and

it is attached with a gripper to hold and move the objects. This vehicle is operated with

battery power. With this system we can complete our work with the robot help.

A 12V battery is provided to power the robot to perform all functions. These are

very useful for carrying files in offices, or any other material which human cannot

handle.

NEED OF PROJECT

Extensive applications in hazardous conditions

Replaced massive human work force

Areas of application:

Medical science

Surgeries

Defense

Artificial intelligence

NEED OF PROJECT

We extended applications of robotics

To use in industries for purpose of picking and

placing objects

To use it in case of wars

To pull out casualties from war front

Autonomous robot that could reach far and wide

This gave birth to surveillance pick and place robot

Defined as mechanical design capable of

performing tasks in human like manner

Requires expertise and programming

Sub systems

Pick and place robot has an arm

GENERAL DESIGN

STEPS OF IMPLEMENTATION

Designer needs to be fully aware of

system requirements

Process begins with hardware design

o Mechanical design assembly

o Stable structure capable of bearing

load

IMPLEMENTATION

Electronic circuit is designed in ‘eagle’(Easily

Applicable Graphical Layout Editor(EAGLE))

o Microcontroller is chosen

o Circuit designed around it

Implementation of code

o Code is compiled using ‘KEIL’ compiler

Code tested on simulators

o Adjustments made on code

o Removal of errors

IMPLEMENTATION

PCB for the main board is etched

o Components are mounted

o Soldering is done

Testing of entire system

o Put through tasks

o Performance parameters are observed

o System checked for faults

BLOCK DIAGRAMTRANSMITTER

RECEIVER

MAIN CIRCUIT DIAGRAM

FEATURES OF THE MECHANICAL DESIN: 

Two motors for running the wheels of the robot.

Two motors for the movement of robotic arm.

Movement up and down

Movement of jaw open and close

Wireless Camera on top of the assembly

Rectangular metal box as the base

A Belt around wheels, in order to save on the usage of hardware.

PRINTED CIRCUIT BOARD(PCB)

APPLICATIONS:

Military applications Surveillance device

To pull out casualties

Can be used to transport objects just

on a click of a button

Industrial applications Loading of objects

Serving security purposes

Surveillance

Reaching places out of human reach

ADVANTAGES:

Wireless

Simple design

Reliable

Easy up gradation

Organized control

AT89C52 FEATURES• 8K Bytes of In-System Reprogrammable Flash Memory • Endurance: 1,000 Write/Erase Cycles • Fully Static Operation: 0 Hz to 24 MHz • Three-level Program Memory Lock • 256 x 8-bit Internal RAM • 32 Programmable I/O Lines • Three 16-bit Timer/Counters • Eight Interrupt Sources • Programmable Serial Channel • Low-power Idle and Power-down Modes

FEATURES 7805Output Current up to 1A

Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24V

Thermal Overload Protection

Short Circuit Protection

Output Transistor Safe Operating Area Protection

L293D LINE DRIVER

600mA Output current capability per channel

Over temperature protection

Logical “0” input voltage up to 1.5 v

Internal clamp diodes

High voltage, high current four channel dr

Drives inductive loads (DC motor)

L293D PIN CONNECTIONS

Microcontroller

insufficient to

drive motors

It helps to

boost supply to

motors

DC MOTORS

Low torque and high speed devices

Gear set can be used to increase torque at the

cost of speed

The movement of shaft is smooth

Easiest to operate

Can rotate in both directions

Thus speed needs to be controlled to handle it

TOP VIEW

RESULTS

SIDE VIEW

RF MODULE

FUTURE SCOPE

Future we can implement by using a wireless camera

By implementing zigbee technology By using high speed gears the

robotic can move faster nd activity of jaw can be incresed