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For realizing data acquisition and transmission based on PCI bus, a device driver was designed for data acquisition card, which use TMS320DM642 of TI and it’s PCI interface as transfer protocol. And in this development, we use VC++6.0, DDK and DriverStudio3.2 to develop the PCI bus driver for Windows XP, and realizing DMA high-speed data transfer method between data acquisition card and computer RAM.

According to the requirements of wind farms real-time supervisory information system, a WebGIS with Browser/Server (B/S) architechture is developed based on MapGuide to implement wind farms supervisory information system. It has the functions such as map browse, roaming,.dynamic appending data, real-time display and so on, thus achieving 0-4 hours super-short-term accurate prediction of wind power.