Intelligent Combat Robot Ver-02

Project code:- E1 Project Cost:- INR:- Rs. 16000/- USD:- 430$

Intelligent Combat Robot

We cannot forget 9/11 when 101 people including nine foreigners and 14 policemen have lost their lives while about 300 people were injured in the worst terror attack seen in the country in which desperate men fired indiscriminately at people.Being an ex– defense person , my blood was boiling as our brave soldiers were fighting the militants to free all the hostages from mumbai hotels.

Intelligent Combat Robot Block Diagram Intelligent Combat Robot Block Diagram

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It struck an adea in my mind, why cant we make a robot to tackle such type of situation.
This combat robo is an improved version of my previous robot which I designed years ago named SPY ROBO.
Out new Combat robo is radio operated , it has got two barrel turret through bullet can be fired, radio camera in synchronization with the turret can rotate up and down ,left and right upto a safe firing limit.turret and camera mechanisim has been installed on my previous spy robo vehicle,which has all the function like tank, turing to any angle on its axix, moving forward and reverse turning left and right,running instanty into reverse direction.

This robo is radio operated , self powered , and has all the controls like a normal car. A pair of laser gun has been installed on it, so that it can fire on enemy remotely when required, this is not possible until a wireless camera is installed.

Wireless camera will send real time video and audio signals which could be seen on a remote monitor and action can be taken accordingly. It can silently enter into enemy area and send us all the information through its’ tiny camera eyes. It is designed for, fighting as well as suicide attack.

Heart of our robo is intel’most power family of microcontroller 8051,we are using at89c2051 Two microcontrollers ic2 is first microcontroller which acts as master controller ,decodes all the commands received from the transmitter and give commands to slave microcontroller1 ic3,and slave2 ic5.

Slave microcontrollers are responsible for executing all the commands received from the master and also generating pwm pulses for the speed control . Ic4 is ld293 motor driver ic which drives two nos motors m1 and m2.these two motors are vehicle driver motors.

Slave2 microcontroller controls the gun and camera movements in up/down ,left or right direction. Ic6 is driver ic which drives gun and camera motors in two angles.

Circuit operation receiver:
RF433-RX is 433mhz radio receiver which receives the transmitted codes from the remote place transmitted by the transmitter these codes are converted to digital format and out put is available to the pin no 2 of the ic2 master micro-controller, this is the rx pin of inbuilt UART of the micro-controller. We are using uart to receive our codes at 1200 boud rate.. Based on the input codes master will give command to slave microcontroll ic3 and robo will behave as follows.
a. moves in forward direction
b. moves in reverse direction,
c. speed controls in both the direction
d. it can even turn left or right while moving forward or in reverse direction.
e. Instent reverse or forward running without stopping
f. In case of bump,moves reverse turn left or right and wail for the next instruction .
g. On the spot left or right turn to pass through the nerrow space
h. We have also added head light, back light.and turing lights to left a right . These lights automatically comes on while robo is in Movement.
i. Pin no 7,8,9.11,12,and 13 of the master micro-controller are connected to the slave micro-controller ic3 to give the following command pulses to the slave micro-controller ic3 pin 2,3,6,7,8 and 9,

1.Start/stop
2. Increase speed
3. Increase speed
4. Direction change
5. Turn left
6. Turn right
Slave microcontroller ic3 pins 15,16,17,18,19 are connected to ic4 motor driver ic, pin17 of the slave gives the pulse width modulation pulse which is connected to pin 1 and 9 of ic4 this is EN pin of ic 4 Pin 18 and 19 controlls one motor m1 and pin 15 and 16 of the slave controller controls the m2 motor.

to be contd…. (in the document)

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