Transport & Logistics

RFID System for a Warehouse

The RFID-LTH system offers significant warehouse management, logistics, and transport advantages. The capabilities of the system of long-range RFID readers and RFID tags include real-time tracking, improved inventory accuracy, and ensuring that goods are stored and transported under optimal conditions.

In the modern era of logistics and warehousing, the efficiency of inventory management and transportation is crucial. One of the most effective ways to enhance these processes is through the use of RFID (Radio-Frequency Identification) technology. In this article, we explore the implementation of an RFID-LTH system, which consists of long-range RFID readers and RFID tags with LTH (light, temperature, humidity) sensors, detailing its applications, and the capabilities of the tags.

The Implementation Process

1. Assessment and Planning:

The warehouse management, encouraged by the success of another company from a similar industry wished to improve inventory management and introduce real-time shipment tracking. The company gathered and provided us with key information and expectations for the system. 

2. Research & Development:

  • A system design was created, specifying the placement of RFID readers at entry/exit points in the warehouse and along key transport routes.
  • Iteratively, we created readers and adapted the tags to serve their purpose. To lower the cost of the operation for our client, we used many components already available at the market.
  • Extensive tests of the equipment were performed, checking compliance with electrical safety standards, electromagnetic compatibility (EMC), environmental tests, and others.

3. Installation:

  • RFID Readers: Long-range RFID readers were installed at the warehouse gates and major transport checkpoints.
  • RFID Tags: Tags were attached to all inventory items and transport containers. An additional batch of tags was provided for future use.

 

4. Integration:

The RFID system was integrated with the company’s existing inventory management software, allowing for seamless data flow. Staff were trained on how to use the new system and interpret the data provided.

5. Monitoring of effects:

The 6-month test period proved the efficiency of the system and installation in the whole warehouse was approved. The company now enjoys real-time tracking of inventory and shipments. Manual checks were reduced, and the accuracy of inventory records improved significantly.

System Overview

The RFID-LTH system is composed of RFID tags and long-range RFID readers. The tags are attached to items or pallets, and the readers are installed at strategic points within a warehouse or along transportation routes.

RFID Tags (RFID-LTH):

  • Identification on Distance: RFID-LTH tags can be read from a significant distance (up to 12 m).
  • Environmental Monitoring: These tags are equipped with sensors to monitor conditions such as temperature and humidity, ensuring goods are stored and transported under optimal conditions.

Long-Range RFID Readers:

  • Technology Used: These readers utilize advanced radio-frequency technology to detect and read tags from a distance. They can operate both indoors and outdoors, making them versatile for various applications.
  • Capabilities: They can read multiple tags (up to 30) simultaneously, reducing the time required for inventory checks and improving accuracy.

Other possible applications

Since the devices we used are adapted from the current market solutions and the designed systems were developed to be quite flexible, other applications of the systems are possible. For example:

Logistics:

  • Automated Goods Receipt and Dispatch: As items enter or leave the warehouse, RFID readers automatically log the transactions, ensuring accurate records.
  • Shipment Tracking: RFID tags on pallets or containers enable real-time tracking of shipments. This provides visibility into the location and status of goods throughout the supply chain.
  • Load Verification: Before transportation, RFID readers can verify the correct loading of items, ensuring that the right goods are dispatched.

 

Transport:

  • Route Monitoring: RFID readers placed at various checkpoints along transportation routes can monitor the progress of shipments, ensuring timely delivery.
  • Condition Monitoring: Tags with environmental sensors provide data on the conditions within the transport vehicle, ensuring that goods are not exposed to harmful conditions.

Conclusion

Implementing an RFID-LTH system offers significant advantages in warehouse management, logistics, and transport. By leveraging the capabilities of long-range RFID readers and RFID tags, companies can achieve real-time tracking, improve inventory accuracy, and ensure that goods are stored and transported under optimal conditions. The example of our client illustrates how such a system can be effectively deployed to enhance operational efficiency and reliability.

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