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Abstract— RFID based automatic ration shop is novel approach
in public distribution system (PDS) useful for more efficient,
accurate, and automated technique of ration distribution. Public
distribution system also called rationing distribution system is
one of the widely controversial issues that involve malpractices.
The present ration distribution system has drawbacks like
inaccurate quantity of goods, low processing speed, large waiting
time, material theft in ration shop. The proposed system replaces
the manual work in ration shop. The main objective of the
designed system is the automation of ration shop to provide
transparency. The proposed automatic ration shop for public
distribution system is based on Radio Frequency Identification
(RFID) technology that replaces conventional ration cards. The
RFID tags are provided instead of conventional ration cards.
Customer’s database is stored in microcontroller which is
provided by Government Authority. Customer needs to scan tag
to RFID reader, and then microcontroller checks customer’s
details with stored to distribute material in ration shop. After
successful verification, customer needs to enter type of material
as well as quantity of material using keypad. After delivering
proper material to consumer, the microcontroller sends the
information to customer as well as PDS authorities using Global
System for Mobile (GSM) technology.
INTRODUCTION
India’s Public Distribution System (PDS) is the largest
retail system in the world [7]. Public distribution system
provides a ration card [6] issued under an order or authority
of the State Government for the purchase of essential
consumer materials like rice, wheat, kerosene and oil. State
Government issues distinctive ration cards like yellow ration
card, saffron ration card, and white ration card depending on
family annual income. The consumer material is supplied to
ration card holders in the first week of every month by ration
shopkeeper.
Public Distribution System is one of the widely
controversial issues that involve malpractice. The manual
intervention in weighing of the materials leads to inaccurate
measurements and/or it may happen, the ration shop owner
illegally uses consumer materials without prior knowledge of
ration card holders.
The proposed system aids to control malpractices which are
present in ration shop by replacing manual work with
automatic system based on RFID and GSM. Every consumer
i.e. family head provided RFID card which acts as ration
card. The RFID card has unique identification number. The
consumer scans the card on RFID reader which is interfaced with microcontroller kept at ration shop. Once consumer is
validated by password, the system asks the consumer to select
appropriate material and quantity of material through
keypad. Based on material chosen by consumer, appropriate
circuitry will be activated and consumer gets material. GSM
interfaced with microcontroller sends information in the
form of SMS to related people. The proposed RFID based
automatic ration shop system would bring transparency in
public distribution system and become helpful to prevent
malpractices.
D.Relay and solenoid circuitry
A solenoid valve is an electromechanically operated
valve. The valve is normally closed, it is controlled by current
through it. The solenoid valve is interfaced with LPC2148
using relay circuitry. Solenoid valve is used in sytsem for
controlling the flow of kerosene. As soon as consumer selects
kerosene and its quantity, solenoid valve swithched on by
relay circuitry. The ON time of Solenoid valve depends on
selected quantity of kerosene. Solenoids offer fast and safe
switching, high reliability, long service life, good medium
compatibility of the material used, low control power and
compact design.
E.Amplifier circuitry design
INA 128P is a 8 pin instrumentation amplifier IC. This
IC is used to amplify the voltage of load cell which is in
millivolt. Wide range of gain can be slected by using single
resistor which is connected between pin number 1 and 8. The
amplifier gain is set to 178 for grain distribution sub system
CONCLUSION
The conventional system has drawbacks like
malpractices, low processing speed, long waiting time at
ration shop to get material and material theft in ration shop
without any acknowledgement to Government and
consumer. To overcome above problems, automatic ration
shop played important role. The automatic ration shop
involved RFID as well as GSM technology to distribute the
kerosene or grain material. Ration card is replaced by RFID
and information is sent to consumer using GSM module.
The proposed system creates the transparency in
public distribution system as the work becomes automatic.
With the help of this system, it is possible to make public
distribution system efficient and free from malpractices. The
proposed system has advantages like it is helpful to prevent
malpractices at ration shop, maintain data properly, reduces
paper work, time saving approach and cost effective.