RFID For Inventory Management System
RFID stands For “Radiofrequency Identification”.
RFID is the technology which is working on radio frequency waves. So this technology is used to automatically identify the objects. RFID uses radio waves to communicate between a device (known as a “tag”) and a reader in order to identify and track objects. RFID tags can be embedded in a wide variety of objects, including books in library, animals, vehicles, any product in shopping mall, birds and even people. They can be read by a device that is connected to a computer or other network, which can then use the information to track the location and movement of the object or person associated with the tag. RFID technology is used in a variety of applications, including inventory management, supply chain management, security systems and many more.
In this technology for inventory and warehouse management, the RFID tags used to get attached with the object which we want to track. This RFID reader is continuously sending the radio waves, so whenever the object is in the range of the reader then this RFID tag is used to transmit its feedback signal to the reader.
It is nearly similar the technology which is used in the barcode. But in case of a barcode, the object and the scanner should be in a line of sight. As in the RFID, technology is not a line of sight technology so far as this object is in within the range of the reader, the object is able to identify the reader and it is able to send a feedback signal back to the reader.
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Using the RFID technology we can track the multiple objects at the same time.
RFID System Contains 2 Components,
- RFID reader
- RFID tag
Different Types Of RFID Tags,
- Active tags
- Passive Tags
- Semi-Passive Tags
If it is a mobile handled like we will be using today only a handled reader and an RFID tag will be needed.
RFID readers mainly consist of 3 components
- RF signal generator – It generates the radio wave which is transmitted using the antenna. Also, receive the feedback signal which is coming from the tag.
- Receiver / Signal Detector – To process the information which is being sent by the RFID tag.
- Microcontroller – many times this RFID reader is directly connected with the computer.
How to Use RFID for Inventory & Warehouse Management System
- After the delivery order is received by the information, it sends to the forklift truck.
- After the goods are off the shelves, the staff scan the electronic labels on the shelves to unbind the goods with the shelves.
- The staff scanned the goods in the shipment area and confirmed the shipment information.
- When the goods are transported to the doorway of the warehouse, the RFID fixed reader on the door of the warehouse checks the cargo information and quantity again.
- Completing the outgoing process after confirmation.
- First, the system sends the inventory plan to the PDA(Personal Digital Assistant) handset.
- The staff can check the information about the goods by checking PDA.
- After receiving the instruction, the staff scan all the goods by mobile mode.
- Read all cargo information at one time.
- Record the inventory results synchronously and compare with the inventory plan to achieve dynamic inventory.
Inventory Inbound Process
- Supplier reserve the products through the application for reservation.
- Transfer through the system to the warehouse manager.
- After agreeing the supplier’s warehousing application the warehouse manager chooses to confirm the expected storage.
- Suppliers follow up the requirements, import the information by electronic tags and single phase correlation with shipments.
- The staff collates the information of the goods ready for shipment through the vehicle read-write device.
- The RFID reader installed at the door of the warehouse instantly reads out the goods and sends the information to the company.
- Achieve real-time dynamic management of supplier’s shipment information and confirm shipment information again.
- After goods enter the storage area, the staff scan the goods in the storage area.
- If quantity and excepted quantity are kept, the next step will continue.
- The system follows up stocks and supply information and lays down the location of goods.
- And sends the information to the onboard computer to indicate the best path.
- After the goods are mounted, scan the RFID labels on the track and check the cargo information.
- Information has been associated with the shelves to completes the warehousing process, to achieve the synchronization of checking location.
Benefits of RFID For Inventory and Warehouse Management
Allows individual stock items to be traced, located and retrieved without human intervention.
- Because the RFID chip system monitors the stocks 24/7
Automatically identifies stock levels to check for when recording is required.
- This is so that user time for manual recording can be reduced.
Provides more accurate system and eliminates human errors.
- This is because the company will benefit from fewer errors in ordering costs and so save money.
Many RFID tags can be read at once
- This saves time because of whole pallets of products can be checked simultaneously.
Tags can be overwritten – the information can be changed.
- This enables to be updated, for example when the stock is moved from one side of a store to another.
Security of stock is increased.
- This is because of tag readers can be placed at exits so that if stock if moved without authority it triggers the alarms.
It can help to save money.
- This is because RFID tags can prevent over-stocking on items such as perishable goods that have a short shelf life.
RFID technology at the point-of-sale can be used to monitor demand trends.
- This is so stores can use the information to predict what should be ordered or for similar products to be considered for sale.
Barcode Vs RFID
||RFID contains high levels of security; data can be encrypted, password protected or set to include a ‘kill’ feature to remove data permanently.|
Case Study – RFID Based Inventory Management For Seafood Processing
We have developed the AI based seafood supply chain ERP system where the seafood supplier can trace and track the freshness and quality of seafood. We are providing supply chain planning, supplier scheduling, product configurator, order to cash, purchasing, inventory, warehousing, and shipment.
In this ERP, Seafood caught by the fisherman and is then tagged with RFID or QR Codes, this then gets transferred, and the sensors on the seafood transmit information in real time about location, time, date, etc.