本文選題：電磁兼容 + 傳導(dǎo)騷擾測(cè)試　； 參考：《濟(jì)南大學(xué)》2015年碩士論文

【摘要】：隨著電子產(chǎn)品在各領(lǐng)域的廣泛應(yīng)用,電磁干擾帶來(lái)的影響越來(lái)越突出,它妨礙產(chǎn)品的正常運(yùn)行,影響人們的健康。因此,提高各類(lèi)電子產(chǎn)品的電磁兼容性是迫切需要的。另外隨著被測(cè)產(chǎn)品類(lèi)別的不斷增加、測(cè)試標(biāo)準(zhǔn)的不斷提高,測(cè)試工作量也逐步加大,則測(cè)試速度就需要進(jìn)一步提高。面對(duì)這樣的問(wèn)題,隨著計(jì)算機(jī)軟、硬件技術(shù)的快速發(fā)展,對(duì)電磁兼容自動(dòng)測(cè)試平臺(tái)的建立提供了機(jī)遇。傳導(dǎo)發(fā)射試驗(yàn)是測(cè)試系統(tǒng)電源及端口的傳導(dǎo)騷擾情況,系統(tǒng)產(chǎn)品的測(cè)試不應(yīng)超過(guò)所要求的騷擾限值。電源端口的試驗(yàn)是通過(guò)電源網(wǎng)絡(luò)和接收機(jī)進(jìn)行的,通過(guò)電源網(wǎng)絡(luò)給系統(tǒng)供電,接收機(jī)測(cè)試電源端口的騷擾值。測(cè)量過(guò)程中需要接收機(jī)的兩種檢波器:平均值檢波器和準(zhǔn)峰值檢波器。傳導(dǎo)發(fā)射試驗(yàn)一般測(cè)量0.15~30MHz頻段。本文根據(jù)傳導(dǎo)騷擾測(cè)量原理,對(duì)電磁傳導(dǎo)騷擾測(cè)試技術(shù)進(jìn)行了有關(guān)研究。利用LabVIEW 2013軟件平臺(tái)開(kāi)發(fā)了傳導(dǎo)騷擾自動(dòng)測(cè)量系統(tǒng)軟件,并借助山東省計(jì)量科學(xué)研究院電磁兼容實(shí)驗(yàn)室對(duì)自動(dòng)測(cè)量軟件進(jìn)行了試驗(yàn)及結(jié)果對(duì)比分析,結(jié)果準(zhǔn)確可靠,可應(yīng)用于實(shí)際的測(cè)量任務(wù)中。該課題主要研究工作如下:(1)對(duì)電磁兼容中的傳導(dǎo)騷擾測(cè)量原理進(jìn)行分析,區(qū)分共模和差模兩種干擾模式,熟悉試驗(yàn)的測(cè)量方法、測(cè)試指標(biāo)和有關(guān)的試驗(yàn)配置。(2)根據(jù)系統(tǒng)的總體設(shè)計(jì)方案,構(gòu)建傳導(dǎo)騷擾測(cè)量系統(tǒng)的硬件結(jié)構(gòu)。計(jì)算機(jī)通過(guò)GPIB電纜控制測(cè)量接收機(jī)進(jìn)行試驗(yàn)測(cè)試,人工電源網(wǎng)絡(luò)把從受試設(shè)備采樣的騷擾信號(hào)通過(guò)同軸電纜傳輸給測(cè)量接收機(jī),完成測(cè)量過(guò)程。本文還對(duì)各硬件結(jié)構(gòu)設(shè)計(jì)進(jìn)行了詳細(xì)的介紹。(3)設(shè)計(jì)并實(shí)現(xiàn)基于LabVIEW的傳導(dǎo)騷擾測(cè)量軟件。系統(tǒng)的軟件設(shè)計(jì)以參數(shù)操作模塊、數(shù)據(jù)采集模塊、數(shù)據(jù)分析模塊、數(shù)據(jù)存儲(chǔ)模塊和報(bào)表生成模塊為核心,以簡(jiǎn)明、友好的用戶操作界面為人機(jī)交互接口,以GPIB接口作為與儀器的硬件接口。(4)在山東省計(jì)量科學(xué)研究院電磁兼容實(shí)驗(yàn)室進(jìn)行傳導(dǎo)騷擾試驗(yàn),將該軟件測(cè)試和常規(guī)測(cè)試結(jié)果進(jìn)行對(duì)比分析。
[Abstract]:With the wide application of electronic products in various fields, electromagnetic interference (EMI) brings more and more prominent effects, which hinder the normal operation of products and affect people's health. Therefore, it is urgent to improve the electromagnetic compatibility of all kinds of electronic products. In addition, with the increasing of the product category and the improvement of the test standard, the test workload is also increasing, so the test speed needs to be further improved. In the face of this problem, with the rapid development of computer software and hardware technology, it provides an opportunity for the establishment of EMC automatic test platform. Conduct emission test is to test the power supply and the port of the system, and the test of the system product should not exceed the required disturbance limit. The test of the power port is carried out through the power supply network and the receiver, and the power supply network is used to supply the system, and the receiver tests the disturbance value of the power port. In the process of measurement, there are two kinds of geophone that require receiver: average geophone and quasi-peak detector. The 0.15~30MHz band is generally measured by conducting emission test. Based on the principle of conducting disturbance measurement, this paper studies the measurement technology of electromagnetic conduction disturbance. The software of automatic measurement system for conducting disturbance is developed by using LabVIEW 2013 software platform. The software is tested by electromagnetic compatibility Laboratory of Shandong Institute of Metrology and the results are compared and analyzed. The results are accurate and reliable. It can be used in practical measurement task. The main research work of this subject is as follows: (1) the principle of conducting disturbance measurement in EMC is analyzed, and two kinds of interference modes, common mode and differential mode, are distinguished, and are familiar with the measuring methods of the test. According to the overall design of the system, the hardware structure of the system is constructed. The computer carries on the test through the GPIB cable control measurement receiver, and the artificial power supply network transmits the disturbance signal sampled from the tested equipment to the measurement receiver through the coaxial cable, which completes the measurement process. This paper also introduces the design of each hardware structure in detail and implements the software of conducting disturbance measurement based on LabVIEW. The software design of the system takes parameter operation module, data acquisition module, data analysis module, data storage module and report generation module as the core, and takes the simple and friendly user interface as the man-machine interface. The GPIB interface is used as the hardware interface with the instrument. The conduct disturbance test is carried out in the electromagnetic compatibility Laboratory of Shandong Institute of Metrology. The results of the software test and the routine test are compared and analyzed.
【學(xué)位授予單位】：濟(jì)南大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：TN03

【參考文獻(xiàn)】

相關(guān)碩士學(xué)位論文 前1條

1 趙世清;多功能皮革性能指標(biāo)檢測(cè)虛擬儀器開(kāi)發(fā)[D];陜西科技大學(xué);2012年

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本文編號(hào)：1924476