本文關(guān)鍵詞： 光電瞄準(zhǔn)吊艙 慣性導(dǎo)航 動基座 傳遞對準(zhǔn) 實時操作系統(tǒng) 多任務(wù)　出處：《南京理工大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

【摘要】：光電瞄準(zhǔn)吊艙系統(tǒng)具有自動目標(biāo)識別與跟蹤、遠(yuǎn)程打擊以及全天候晝夜作戰(zhàn)等能力,因此在現(xiàn)代高科技戰(zhàn)爭中起到關(guān)鍵作用。以XX型軍用飛機(jī)掛載的光電瞄準(zhǔn)吊艙為背景,為實現(xiàn)光電瞄準(zhǔn)吊艙高精度地注視、穩(wěn)定跟蹤,提出在光電瞄準(zhǔn)吊艙系統(tǒng)中安裝捷聯(lián)慣性導(dǎo)航系統(tǒng)的方案。采用傳遞對準(zhǔn)函數(shù),當(dāng)飛機(jī)一開始機(jī)動,包括起飛滑跑時,傳遞對準(zhǔn)函數(shù)就自動使吊艙瞄準(zhǔn)線與飛機(jī)平視顯示器校靶。 首先,簡要地闡述了捷聯(lián)慣性導(dǎo)航系統(tǒng)的基本原理,總結(jié)了捷聯(lián)慣導(dǎo)的解算方法,分析了光電瞄準(zhǔn)吊艙傳遞對準(zhǔn)的工作時序,介紹了標(biāo)準(zhǔn)卡爾曼濾波方法；其次,搭建了基于“速度”匹配的傳遞對準(zhǔn)算法模型,并對該模型進(jìn)行了數(shù)字仿真；然后,建立了動基座傳遞對準(zhǔn)系統(tǒng)模型,根據(jù)需要分析并選用了慣性測量元件、實時嵌入式處理器MPC8245、實時操作系統(tǒng)VxWorks。分析并設(shè)計了瞄準(zhǔn)吊艙傳遞對準(zhǔn)實時多任務(wù)的整體框架。 在VxWorks操作系統(tǒng)的開發(fā)軟件Tornado環(huán)境下,完成了實時傳遞對準(zhǔn)多任務(wù)的編寫、代碼優(yōu)化工作和調(diào)試實驗。多次實驗結(jié)果證明了實時嵌入式傳遞對準(zhǔn)多任務(wù)整體設(shè)計方案的可行性,是創(chuàng)新性的工程實踐。為今后的實時傳遞對準(zhǔn)多任務(wù)設(shè)計提供了參考,同時也為工程樣機(jī)產(chǎn)品化奠定了基礎(chǔ)。
[Abstract]:The photoelectric aiming pods system has the capability of automatic target recognition and tracking, long-range strike and all-weather operation day and night, so it plays a key role in modern high-tech warfare. In order to achieve high precision gaze and stable tracking of photoelectric aiming pods, a scheme of installing strapdown inertial navigation system in photoelectric aiming pods system is proposed. The transfer alignment function is used when the aircraft starts to maneuver, including take-off and taxiing. The transfer alignment function automatically aligns the podded line of sight with the plane-view display. Firstly, the basic principle of strapdown inertial navigation system is briefly expounded, the calculation method of strapdown inertial navigation is summarized, the working sequence of transfer alignment of photoelectric aiming pods is analyzed, and the standard Kalman filtering method is introduced. The transfer alignment algorithm model based on "velocity" matching is built, and the model is simulated. Then, the transfer alignment system model of moving pedestal is established, and the inertial measuring elements are analyzed and selected according to the need. The real-time embedded processor MPC8245 and the real-time operating system VxWorks.The overall frame of aiming pods transfer alignment real-time multi-task is analyzed and designed. Under the environment of VxWorks operating system development software Tornado, the multi-task programming of real-time transfer alignment, code optimization and debugging experiments have been completed. The results of many experiments have proved the feasibility of real-time embedded transfer alignment multi-task overall design scheme. It is an innovative engineering practice and provides a reference for the future multi-task design of real-time transfer alignment, and also lays a foundation for the production of engineering prototype.
【學(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TP368.1;V243

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