Abstract: An internetbased realtime remote monitoring system for shield machines is developed, which has such functions as centralized monitoring of multiple shield machines, multiuser access and remote fault diagnosis. The mentioning system is studied in terms of system structure, hardware and software. With the monitoring system, multiple shield machines can be accessed through installing client software or Web Browser at any place with Internet. The system is beneficial to perform remote assistance, improve the management efficiency and reduce the management cost. 

Key words: shield machine, remote monitoring, centralized monitoring