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Recently, Confidex announced the delivery of more than 10,000 Confidex Ironside UHF Gen2 hard tags to the London Underground to improve the maintenance and management of escalators at subway entrances and exits.
The RFID application of London Underground escalators is very representative and can have an important impact on other escalator operators around the world. The maintenance and safety of escalators is a very important part of subway management, such as London Underground, shopping malls and other public places.
The escalators of the London Underground carry approximately more than 3 million passengers every day. Although most passengers do not consider this metal escalator at all when riding, in fact, because the steps of the escalator are continuously worn by passengers’ footsteps and movement trajectories, the failure of any step may cause serious injury. If the escalator steps fail during peak hours, many people’s lives may be threatened.
In order to prevent such accidents, the London Underground implements an escalator inspection and maintenance system to ensure the integrity of each step, requiring each step to be inspected at least once a year. There are about 200 elevators on the London Underground and a total of 30,000 steps. The workload of maintenance tasks can be imagined.
In order to make escalator repairs faster, more accurate and more cost-effective, London Underground decided to adopt RFID technology, choosing CoreRFID Ltd as their solution provider and Confidex as the label supplier.
CoreRFID has developed a set of “escalator step detection system”. In this maintenance management program, a PDA with an RFID reader is installed on a bracket next to the escalator, and the application software reads and writes tag information. Confidex’s extremely sturdy and durable label is considered to be the key to the success of the pilot project. The Ironside label can be used in harsh environments and can withstand elevator vibration, temperature changes, lubricating grease, sharp soil and magnetic fields.
The labels were installed under the steps with plexiglass adhesive. During the two-month pilot project, none of the labels fell off. In the future, elevator manufacturers will riveting labels directly under the steps.
After adopting RFID tags, the London Underground can automatically obtain elevator maintenance data without interrupting elevator use, greatly improving maintenance efficiency.
Confidex Ironside is a “hard label” that uses impact-resistant materials and is currently one of the most durable, metal and high temperature resistant labels. The label uses NXP’s G2XM chip, with 240 bytes of EPC and UID and 512 bytes of user memory.
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