基于LabVIEW的彈載計算機測試系統(tǒng)設(shè)計
發(fā)布時間:2018-05-02 00:51
本文選題:LabVIEW + 彈載計算機 ; 參考:《中北大學(xué)》2016年碩士論文
【摘要】:彈載計算機作為導(dǎo)彈飛行控制系統(tǒng)的核心,其性能的好壞直接影響到導(dǎo)彈的精確打擊能力,因此需搭建一種擴展性強、開發(fā)周期短、可靠性好的測試平臺對其進行全面檢測。為了測試某型號彈載計算機工作的正確性及提高其研制效率,本文設(shè)計了一套基于LabVIEW的彈載計算機自動測試系統(tǒng)。本系統(tǒng)不僅能準確地完成對彈載計算機的全功能、記錄儀、激勵源三種工作模式的測試,而且利用LabVIEW豐富的信號處理模塊穩(wěn)定且高效地完成系統(tǒng)初始化、參數(shù)配置、信號監(jiān)控、數(shù)據(jù)采集與處理、數(shù)據(jù)保存等多項功能。首先介紹了虛擬儀器的發(fā)展現(xiàn)狀,根據(jù)系統(tǒng)需求分析,本文提出了系統(tǒng)的總體設(shè)計方案,并對設(shè)計中所用到的關(guān)鍵技術(shù)進行了介紹,包括多線程和數(shù)據(jù)庫。其次,對系統(tǒng)設(shè)計所用的硬件板卡及相關(guān)功能進行了介紹,并對自研板卡關(guān)鍵電路的設(shè)計思路及實現(xiàn)原理進行了詳細介紹。再次,詳細介紹了系統(tǒng)軟件各個模塊的功能、設(shè)計思路及注意事項,尤其是對數(shù)據(jù)庫的應(yīng)用、硬件觸發(fā)、動態(tài)調(diào)用、自定義控件等實現(xiàn)方法進行詳細的論述。最后,從硬件和軟件兩方面對系統(tǒng)進行了功能驗證,在硬件方面主要對模擬熱電池輸出、A/D通道測試、模擬信號采集與輸出、數(shù)字信號通信等模塊進行了測試。在軟件方面,對系統(tǒng)的三種工作模式進行嚴格的測試,尤其是全功能模式的測試進行了詳細的介紹。測試結(jié)果表明,本系統(tǒng)具有工作穩(wěn)定、操作便捷、擴展性強等特點,目前已應(yīng)用到實際生產(chǎn)中,極大地提高了彈載計算機的研制效率。
[Abstract]:As the core of missile flight control system, the performance of missile-borne computer has a direct impact on the missile's precision strike ability. Therefore, it is necessary to build a testing platform with strong expansibility, short development period and good reliability. In order to test the correctness of a certain type of projectile computer and improve its development efficiency, this paper designs an automatic test system of projectile computer based on LabVIEW. The system can not only test the full function, recorder and excitation source of projectile computer accurately, but also use the rich signal processing module of LabVIEW to realize system initialization, parameter configuration, signal monitoring and control stably and efficiently. Data acquisition and processing, data storage and other functions. Firstly, the development status of virtual instrument is introduced. According to the system requirement analysis, this paper puts forward the overall design scheme of the system, and introduces the key technologies used in the design, including multithreading and database. Secondly, the paper introduces the hardware card and related functions used in the system design, and introduces the design idea and realization principle of the key circuit of the self-developed board card in detail. Thirdly, the functions, design ideas and points for attention of each module of the system software are introduced in detail, especially the implementation methods of database application, hardware trigger, dynamic call and custom control are discussed in detail. Finally, the function of the system is verified from two aspects of hardware and software. In hardware, the module of analog thermal battery output A / D channel, analog signal acquisition and output, digital signal communication and so on are tested. In the aspect of software, the three working modes of the system are strictly tested, especially the full-function mode. The test results show that the system has the characteristics of stable operation, convenient operation and strong expansibility. It has been applied to practical production and greatly improved the efficiency of the development of projectile computer.
【學(xué)位授予單位】:中北大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2016
【分類號】:TJ765
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