本文選題：自動(dòng)測(cè)試系統(tǒng)　切入點(diǎn)：虛擬儀器　出處：《吉林大學(xué)》2017年碩士論文

【摘要】：隨著計(jì)算機(jī)技術(shù)的飛速發(fā)展,計(jì)算機(jī)技術(shù)和電子測(cè)量技術(shù)的結(jié)合形成了自動(dòng)測(cè)試系統(tǒng),使得電子測(cè)量技術(shù)產(chǎn)生了質(zhì)的飛躍。自動(dòng)測(cè)試系統(tǒng)在測(cè)試速度、效率、精度、可靠性以及測(cè)試數(shù)據(jù)的可交換性等方面較傳統(tǒng)的電子測(cè)量?jī)x器更具優(yōu)勢(shì)。虛擬電子測(cè)量?jī)x器集成系統(tǒng)是吉林大學(xué)自己研制的一套自動(dòng)測(cè)試系統(tǒng),采用模塊化的設(shè)計(jì)理念,將各種電子測(cè)量?jī)x器集成為可以實(shí)現(xiàn)對(duì)應(yīng)測(cè)量功能的模塊板卡,然后通過(guò)自定義的總線技術(shù)連接在一起,組建成為一個(gè)可以實(shí)現(xiàn)各種電子測(cè)量功能的測(cè)試工具。本文主要工作是虛擬電子測(cè)量?jī)x器集成系統(tǒng)基礎(chǔ)架構(gòu)的研究與設(shè)計(jì)。第一,研究現(xiàn)有的各種總線技術(shù),提煉出一種適合本系統(tǒng)的總線技術(shù);第二,設(shè)計(jì)系統(tǒng)控制器和各個(gè)模塊化儀器之間的通信協(xié)議;第三,設(shè)計(jì)USB2.0系統(tǒng)控制器用來(lái)實(shí)現(xiàn)上位機(jī)和模塊化儀器之間的數(shù)據(jù)通信,USB2.0系統(tǒng)控制器的設(shè)計(jì)包括硬件電路設(shè)計(jì)和固件程序開(kāi)發(fā);第四,系統(tǒng)驅(qū)動(dòng)程序開(kāi)發(fā),系統(tǒng)驅(qū)動(dòng)程序是上位機(jī)與系統(tǒng)控制器之間通信的“橋梁”,USB驅(qū)動(dòng)程序內(nèi)封裝了有關(guān)USB接口操作的函數(shù),上位機(jī)LabVIEW通過(guò)調(diào)用DLL中的函數(shù)訪問(wèn)USB通用驅(qū)動(dòng)程序,實(shí)現(xiàn)對(duì)USB接口的操作。最后,通過(guò)系統(tǒng)測(cè)試驗(yàn)證了本文所設(shè)計(jì)的虛擬電子測(cè)量?jī)x器集成系統(tǒng)基礎(chǔ)架構(gòu)能夠?qū)崿F(xiàn)上位機(jī)軟件與模塊化儀器之間的通信,達(dá)到設(shè)計(jì)目標(biāo)。
[Abstract]:With the rapid development of computer technology, the combination of computer technology and electronic measurement technology has formed an automatic test system, which has made a qualitative leap in electronic measurement technology.The automatic test system has more advantages than the traditional electronic measuring instruments in the aspects of test speed, efficiency, precision, reliability and the exchangeability of test data.Virtual electronic measuring instrument integration system is a set of automatic test system developed by Jilin University. With the modular design concept, various electronic measuring instruments can be integrated into a module card that can realize the corresponding measurement function.Then it is connected by custom bus technology to form a testing tool which can realize various electronic measurement functions.The main work of this paper is the research and design of the integrated system infrastructure of virtual electronic measuring instruments.First, study the existing bus technology, extract a bus technology suitable for the system; second, design the communication protocol between the system controller and various modular instruments; third,The design of USB2.0 system controller is used to realize the data communication between host computer and modularized instrument. The design of USB2.0 system controller includes hardware circuit design and firmware program development.The system driver is the "bridge" of communication between the host computer and the system controller, which encapsulates the function of the USB interface operation. The upper computer LabVIEW accesses the USB universal driver by calling the function in the DLL.Implement the operation of USB interface.Finally, the system test proves that the integrated system infrastructure of virtual electronic measurement instrument designed in this paper can realize the communication between the host computer software and the modular instrument, and achieve the design goal.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TP274

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