Embedded Systems Training,Robotics Training,Microcontroller Training,8051 Course

REMOTE CONTROLLED
EMBEDDED SYSTEM
VIA INTERNET

Techogroovy Systems India Pvt Ltd

Embedded Systems & Robotics
Projects Based Training
 www.technogroovy.com
 Mail :
technogroovy@gmail.com
 Cell- +91-7500347448 ,
 +91-7533940322
Techogroovy Systems India Pvt Ltd ,
www.technogroovy.com, Mail :

By
Arpit Gupta
(T3083011)
Gaurav Kulkarni (T3083077)
Venkatesh Iyer
(T3083057)
Under the able guidance of

Mrs. Smita Daphale

INTRODUCTION




NEED FOR AUTOMATION.



REMOTE SENSING OF A ROBOT.



USE OF INTERNET.



WHY PICK AND PLACE?


LITERATURE SURVEY






Construction Works.
Nuclear Power Plants.
Steel Plants.


SPECIFICATIONS












Microcontroller :
AVR ATmega32
Temperature Sensor :
LM 35 , 10mV/C
LCD :
16 x 2
Motor Driver :
L298.
Type of Motor :
DC
Battery : Voltage :
12 V
Maximum o/p current : 3.36 A
Charging Time :
1.2 Ah








Dimensions of Robot (approx)
Length : 25 cm
Width : 30 cm
Height : 35 cm
Length of arm : 30cm
Left ,Right motor : 10 rpm ,12V ,2 kg
Other motor : 30 rpm ,12V ,1 kg
Total Load Capacity of the robot : 4 kg


8051










8 bit micro based on
CISC architecture.
8051 family is slower
as compared to AVR.
Does not have a ADC.
Instruction set is large.

JTAG interface absent.








8 bit micro based on
RISC architecture.
AVR's are fast,
consume little power,
are rugged.
It has an inbuilt 10-bit
ADC.
Instruction set is
simple and compact.
JTAG interface present.

AVR

START
B
INITIALISE THE UART & ADC

ACCEPT COMMAND
FROM SERVER PC

CHOIC
E
FORWAR
D
/REVERS
E
MOTION

GRIPPING
OF
ROBOTIC
ARM

CIRCULA
R
MOTION

A

VERTICAL
MOTION


STOP

A
READ
TEMPERATURE
FROM SENSOR
CONVERT TO DIGITAL VIA ADC
SEND DATA TO RXD

O/P DATA
TO LCD
END
COMMUNICATIO
N
Yes
STOP


B
No

Basic working


Yes No


Remote Terminal

Used for an authorised client’s access to robot.

Has a JAVA based client applet running on it.

Moniters the temperature.

Controls the motions of robot.


Server Machine

Acts as an intermediate between robot and user
.

Has a JAVA based server applet running on it.

Connected via RS-232 to robot.



Microcontroller (AVR Atmega 32)

Converts analog signal from sensor to digital.

Sends digital data via UART to server PC.

Receives control code from user through
server.

Controls robot as per the received code.

Detects errors ,if any and sends it to LCD.


Temperature Sensor(LM 35)

Is a Precision Centigrade Temperature Sensor
with a sensitivity of 10mV/C.

Senses temperature and converts into
equivalent analog voltage between -550 to 1500
mV.





SCHEMATIC


Motor

Motor used is a DC motor with an output of
1.18W and operates in 6-12V range.

Motor is controlled by an H-bridge in the
driver.


Driver(L298)

Is an interface between low power(AVR) and
high power(motor) devices.

Contains an inbuilt H-bridge controlled by
AVR.


LCD

Used to display temperature and to detect
errors in the robot control.



REFERENCES


Techogroovy Systems India Pvt Ltd
www.technogroovy.com,
Mail: technogroovy@gmail.com
Cell- +91-7500347448 ,
+91-7533940322


Embedded Systems Training,Robotics Training,Microcontroller Training,8051 Course

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Embedded Systems Training,Robotics Training,Microcontroller Training,8051 Course