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劉順國，賀文旭 (中國南車集團(tuán)資陽機(jī)車廠,四川 資陽 641301)   摘要：本文結(jié)合我們開發(fā)的一套用于電工儀表檢定的虛擬儀器系統(tǒng)，討論了虛擬儀器系統(tǒng)開發(fā)過程中兩個主要問題：一是接口及通訊，二是人機(jī)界面及數(shù)據(jù)處理。計(jì)算機(jī)經(jīng)GPIB總線采集各項(xiàng)測試數(shù)據(jù)，通過自行開發(fā)的測試軟件，實(shí)現(xiàn)對儀器設(shè)備的程控及各項(xiàng)參數(shù)設(shè)置，并對測試數(shù)據(jù)自動處理，生成檢測報(bào)告。   關(guān)鍵詞：虛擬儀器；GPIB總線；IEEE488標(biāo)準(zhǔn)；Vb.net2003   中圖分類號：TP336文獻(xiàn)標(biāo)識碼：A文章編號：1672-4984(2006)03-0068-03   Design and realization for virtual system based on GPIB bus LIU Shunguo，HE Wenxu (China South Locmotive and Rolling Stock Industry Corporation Ziyang Locomotive Works,Ziyang 641301,China)   Abstracts: According to a virtual apparatus system for electric apparatus verification developed by ourselves, this paper discussed two problem existed in the process of designing virtual verification system. The first problem is interface and communication. The second problem is man-machine interface and data processing. The computers collect various measurement data by GPIBbus,  realize program controlled and parameter setup by measurement software developed by ourselves, auto-process measure data and produce measurement report. Key words: Virtual apparatus; GPIB bus; IEEE488 standard; Vb.net2003