【摘要】：在工業(yè)、農(nóng)業(yè)及國(guó)防各個(gè)領(lǐng)域,為了使電氣設(shè)備正常工作,需要定期的進(jìn)行測(cè)試校準(zhǔn),傳統(tǒng)的手工測(cè)試及校準(zhǔn)方式存在著效率低,可重復(fù)性差等問(wèn)題,而專用的測(cè)試校準(zhǔn)設(shè)備開(kāi)發(fā)費(fèi)用高,可重構(gòu)性低。隨著通用儀器技術(shù)的飛速發(fā)展,研究基于通用儀器的自動(dòng)測(cè)試校準(zhǔn)技術(shù),提出一種具有高通用性和可實(shí)用性的系統(tǒng)開(kāi)發(fā)方案具有重要意義。本文主要研究?jī)?nèi)容如下:首先,在模塊化自動(dòng)測(cè)試技術(shù)的基礎(chǔ)上,基于對(duì)程控儀器控制方式的研究,提出一種基于通用儀器和圖形化編程工具的自動(dòng)化測(cè)試和校準(zhǔn)系統(tǒng)建模方案和實(shí)現(xiàn)機(jī)制,結(jié)合分層構(gòu)建測(cè)試系統(tǒng)的操作軟件的總體設(shè)計(jì)思想,提出了系統(tǒng)結(jié)構(gòu)方案和軟件開(kāi)發(fā)框架。并針對(duì)系統(tǒng)中程控設(shè)備的缺位問(wèn)題,提出了一種非程控儀器的信息采集和控制調(diào)節(jié)的方法。其次,規(guī)劃基于通用儀器的自動(dòng)控制校準(zhǔn)系統(tǒng)的硬件整體架構(gòu),并對(duì)各部分硬件進(jìn)行了分析設(shè)計(jì),并對(duì)儀器設(shè)備的接口的工作方式進(jìn)行了設(shè)計(jì)分析,提出一種通用接口總線控制器和底層驅(qū)動(dòng)實(shí)現(xiàn)的完整接口設(shè)計(jì)方案。然后,以2311國(guó)防計(jì)量站的電源測(cè)試系統(tǒng)為背景,結(jié)合需求分析,提出一種系統(tǒng)軟件總體架構(gòu),設(shè)計(jì)了具體操作界面和程序內(nèi)部的數(shù)據(jù)流結(jié)構(gòu)。同時(shí),以VISA和IVI兩種不同方式實(shí)現(xiàn)了儀器設(shè)備的驅(qū)動(dòng)控制和資源管理,且為了充分發(fā)揮虛擬儀器即插即用的特點(diǎn),針對(duì)構(gòu)建系統(tǒng)所用的數(shù)字萬(wàn)用表、電子負(fù)載器、數(shù)字示波器等可程控儀器,基于SCPI語(yǔ)言開(kāi)發(fā)了在自動(dòng)測(cè)試和校準(zhǔn)系統(tǒng)內(nèi)的驅(qū)動(dòng)方式。完整地開(kāi)發(fā)了一套自動(dòng)化測(cè)試和校準(zhǔn)系統(tǒng)軟件,總結(jié)并提出了幾種軟件及其他輔助功能設(shè)計(jì)的快捷方法。最后,利用上述研究的系統(tǒng)組建方法和軟件開(kāi)發(fā)方式,構(gòu)建了系統(tǒng)測(cè)試平臺(tái),以線性電源GPS3030D為被測(cè)電源,比較了自動(dòng)檢定系統(tǒng)和手動(dòng)檢定的結(jié)果,并對(duì)校準(zhǔn)項(xiàng)中的不確定度評(píng)定進(jìn)行了研究。通過(guò)簡(jiǎn)明的評(píng)估分析提出一種采用精密直流激勵(lì)校準(zhǔn)系統(tǒng)的方法,對(duì)系統(tǒng)進(jìn)行了校準(zhǔn)實(shí)驗(yàn),提高了測(cè)試精度,表明了系統(tǒng)的實(shí)用價(jià)值。
[Abstract]:In the fields of industry, agriculture and national defense, in order to make electrical equipment work properly, it is necessary to test and calibrate regularly. The traditional manual testing and calibration methods have some problems, such as low efficiency, poor repeatability and so on. The development cost of special test and calibration equipment is high and the reconfiguration is low. With the rapid development of the universal instrument technology, it is of great significance to study the automatic test and calibration technology based on the universal instrument, and to propose a system development scheme with high versatility and practicability. The main contents of this paper are as follows: firstly, on the basis of modular automatic test technology, based on the research of the control mode of program-controlled instruments, This paper presents a modeling scheme and implementation mechanism of automated test and calibration system based on general instrument and graphical programming tool. The system structure and software development framework are presented. Aiming at the lack of program control equipment in the system, a method of information collection and control adjustment of non-program control instrument is proposed. Secondly, the hardware architecture of the automatic control and calibration system based on universal instrument is planned, and the hardware of each part is analyzed and the working mode of the interface of the instrument is designed and analyzed. This paper presents a complete interface design scheme for general interface bus controller and bottom driver. Then, based on the power test system of 2311 national defense metering station, combined with the requirement analysis, a system software architecture is proposed, and the operation interface and the data flow structure inside the program are designed. At the same time, the driver control and resource management of instrument equipment are realized by VISA and IVI. In order to give full play to the characteristics of virtual instrument plug and play, the digital multimeter and electronic load device used in the system are constructed. Digital oscilloscope and other programmable instruments are developed based on SCPI language in the automatic test and calibration system. A set of automatic test and calibration system software is developed, and several quick methods of software and other auxiliary function design are summarized and put forward. Finally, the system test platform is constructed by using the method of system construction and software development, and the results of automatic verification system and manual verification are compared with linear power supply GPS3030D. The evaluation of uncertainty in calibration term is also studied. Through simple evaluation and analysis, a method of using precision DC excitation calibration system is put forward. The calibration experiment of the system is carried out, and the precision of the system is improved, which shows the practical value of the system.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TB971

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本文編號(hào)：2417675