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In recent years, railway companies have promoted the construction of facility management systems. The range of information required for maintenance management of railway facilities includes facility ledgers, various kinds of drawings, photos, manuals, and inspection data. To establish techniques for unified management of these data, the Railway Technical Research Institute (RTRI) has developed a drawing generation system using the facility description language (FDL) invented by RTRI.
Under the conventional structure, each sector has its own independent system. In order to establish an efficient maintenance management system and enhance the usefulness of drawing generation, RTRI stroved to integrate drawing generation systems so that facility drawings extending over multiple sectors such as the track structures (rail, sleeper, and ballast), railway structures (sheeting wall, slope, and sewer drain), and trolley wires can be displayed in one screen (Fig. 1). Also, to improve operability for input of drawing generation information, data can now be registered in the ledger database by entering it directly from the PC screen.
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