深入研究了EPA控制系統(tǒng)原理，闡明了設(shè)備描述文件在EPA工程中的地位、作用和存在的問題。提出并實現(xiàn)了設(shè)備描述文件驗證機制，解決了設(shè)備描述文件與EPA標(biāo)準(zhǔn)的一致性問題，完善了EPA控制系統(tǒng)。

It studies the principle of EPA control system deeply and illustrates the position, the function and the existing problem of Device Description File in EPA project; brings forward and realize the examining rule of the device description file, which resolves the problem about the conformance between the device description file and EPA protocol, and make EPA control system better.