發(fā)布時間：2018-03-16 15:23

  本文選題：反應(yīng)堆監(jiān)測　切入點(diǎn)：加速器監(jiān)測　出處：《中國科學(xué)技術(shù)大學(xué)》2017年博士論文　論文類型：學(xué)位論文

【摘要】：隨著核技術(shù)越來越深入科研、軍事、工業(yè)以及消費(fèi)領(lǐng)域,為核科學(xué)技術(shù)研究發(fā)展而建設(shè)的大科學(xué)裝置也逐漸增多。這些裝置的穩(wěn)定可靠運(yùn)行離不開配套的支撐平臺為其提供運(yùn)行監(jiān)控,反饋控制,信號采集,數(shù)據(jù)分析等服務(wù)。神龍一號直線感應(yīng)加速器是一套利用電磁感應(yīng)加速帶電粒子的加速器,在閃光X照相,自由電子激光以及高功率微波等科研、工業(yè)領(lǐng)域有著廣泛的應(yīng)用。在神龍一號的研制、調(diào)試與運(yùn)行工程中,需要各種測量手段對其工作進(jìn)行監(jiān)控。與此同時,國際可控?zé)岷司圩儗?shí)驗(yàn)反應(yīng)堆(ITER)是為開展人工可控核聚變而建設(shè)的托卡馬克裝置。在可控核聚變裝置中,等離子體參數(shù)測量、中子通量以及中子能譜反映出反應(yīng)堆的工作狀態(tài),對這些量的監(jiān)測同樣需要一套合適的數(shù)據(jù)采集與處理系統(tǒng)。本文通過分析以上兩類大科學(xué)裝置對數(shù)據(jù)采集與處理系統(tǒng)的需求,本文提出了一套能與它們相適應(yīng)的數(shù)據(jù)獲取系統(tǒng)并加以實(shí)現(xiàn),經(jīng)測試系統(tǒng)的電子學(xué)性能和數(shù)據(jù)處理能力均達(dá)到設(shè)計(jì)要求,已部分投入試驗(yàn)運(yùn)行。加速器束流監(jiān)測作為加速器監(jiān)測中的重點(diǎn),本文將通過理論分析與實(shí)際情況重點(diǎn)討論神龍一號中束流信號的獲取與束流位置的獲取方式以及對相關(guān)數(shù)據(jù)的處理方法。第一章節(jié)首先介紹神龍一號直線感應(yīng)加速器和國際可控聚變堆的背景、原理以及發(fā)展。結(jié)合兩個大型核科學(xué)實(shí)驗(yàn)裝置繼而提出了他們對數(shù)據(jù)采集系統(tǒng)的需求,論述了兩種大型裝置中數(shù)據(jù)采集的共同點(diǎn)以及其中的關(guān)鍵問題,分析和解決相應(yīng)的關(guān)鍵問題從而確立了本文研究的方向、重點(diǎn)和研究的內(nèi)容。第二章主要介紹了大型實(shí)驗(yàn)裝置運(yùn)行監(jiān)測中的關(guān)鍵問題的解決方案以及國內(nèi)外的研究現(xiàn)狀,以及在工程領(lǐng)域的實(shí)現(xiàn)。第三章中根據(jù)大型實(shí)驗(yàn)裝置中各個測量量進(jìn)行相關(guān)的理論分析與實(shí)際需求,提出了硬件設(shè)計(jì)總體方案以及其功能需求和設(shè)計(jì)的關(guān)鍵點(diǎn)第四章詳細(xì)闡述FPGA的開發(fā)流程以及程序設(shè)計(jì),包括硬件接口的實(shí)現(xiàn)以及舉例說明束流位置測量的設(shè)計(jì)思想和實(shí)現(xiàn)方式。第五章介紹了系統(tǒng)的測試,包括電子學(xué)各項(xiàng)性能的測試,以及直線感應(yīng)加速器中束流位置的測試并得出測試結(jié)果。第六章對測試性能進(jìn)行了總結(jié)分析,并對系統(tǒng)以后的發(fā)展提出了展望本課題的研究目標(biāo)是大科學(xué)裝置中數(shù)據(jù)的采集與處理,實(shí)現(xiàn)了能夠滿足相應(yīng)工程領(lǐng)域規(guī)范化的數(shù)據(jù)采集系統(tǒng),同時對具體數(shù)據(jù)獲取要求實(shí)現(xiàn)了定制化分析和處理,建立了一套適用于大科學(xué)裝置的數(shù)據(jù)獲取與處理系統(tǒng)。該系統(tǒng)能實(shí)現(xiàn)多通道數(shù)據(jù)的精確同步采集,數(shù)字波形判選甄別,在線可重構(gòu)實(shí)現(xiàn)無障礙系統(tǒng)遷移,有效提高了系統(tǒng)的通用性,降低了系統(tǒng)成本和復(fù)雜度。論文詳細(xì)介紹了硬件實(shí)現(xiàn)與數(shù)據(jù)處理,通過實(shí)驗(yàn)驗(yàn)證了加速器測量和ITER反應(yīng)堆測量中所需要的相關(guān)功能。
[Abstract]:As nuclear technology grows deeper into scientific research, military, industrial and consumer areas, The number of large scientific devices built for the research and development of nuclear science and technology is also gradually increasing. The stable and reliable operation of these devices cannot be separated from supporting platforms to provide them with operation monitoring, feedback control, and signal collection. Shenlong 1 Linear Induction Accelerator is a set of accelerators that use electromagnetic induction to accelerate charged particles in the scientific research of flash X-ray, free electron laser and high power microwave, etc. Industrial field has a wide range of applications. In the development, commissioning and operation of Shenlong 1, it needs various measuring means to monitor its work. At the same time, The International controlled Thermonuclear Fusion Experimental reactor (ITERR) is a Tokamak device built for the purpose of artificial controlled nuclear fusion. In the controlled nuclear fusion device, the measurement of plasma parameters, neutron flux and neutron energy spectrum reflect the working state of the reactor. The monitoring of these quantities also needs a set of suitable data acquisition and processing system. In this paper, a set of data acquisition system which can adapt to them is put forward and implemented. The electronic performance and data processing ability of the test system meet the design requirements. Accelerator beam monitoring is the focus of accelerator monitoring. This paper will focus on the acquisition of beam signal and beam position in Shenlong I and the processing method of relevant data through theoretical analysis and practical situation. The first chapter introduces the linear induction of Shenlong 1. The background of the accelerator and the international controlled fusion reactor, Principle and development. Combining with two large nuclear science experimental devices, this paper puts forward their demand for data acquisition system, and discusses the common points and key problems of data acquisition in the two kinds of large-scale devices. The research direction, emphasis and content of this paper are established by analyzing and solving the corresponding key problems. The second chapter mainly introduces the solutions of the key problems in the operation and monitoring of large experimental devices and the current research situation at home and abroad. And the realization in the engineering field. In the third chapter, according to the various measurements in the large experimental device, the relevant theoretical analysis and practical requirements are carried out. The general scheme of hardware design, the function requirement and the key point of design are put forward in chapter 4th. The development process and program design of FPGA are described in detail. It includes the implementation of hardware interface, the design idea and implementation of beam position measurement with examples. Chapter 5th introduces the testing of the system, including the testing of electronic properties. And the beam position in the linear induction accelerator is measured and the results are obtained. Chapter 6th summarizes and analyzes the testing performance. And the future development of the system is prospected. The research goal of this subject is to collect and process the data in the large scientific device, and to realize the data acquisition system which can meet the standardization of the corresponding engineering field. At the same time, the specific data acquisition requirements are analyzed and processed in a customized way, and a data acquisition and processing system suitable for large scientific devices is established. The system can realize accurate synchronous data acquisition and digital waveform selection and discrimination. On-line reconfigurable system migration improves the generality of the system and reduces the cost and complexity of the system. This paper introduces the hardware implementation and data processing in detail. The functions needed in accelerator measurement and ITER reactor measurement are verified by experiments.
【學(xué)位授予單位】：中國科學(xué)技術(shù)大學(xué)
【學(xué)位級別】：博士
【學(xué)位授予年份】：2017
【分類號】：TP274.2;TN911.7

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