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電子掃描雷達(dá)系統(tǒng)中天線方位角和仰角的魯棒控制器設(shè)計(jì)

發(fā)布時(shí)間:2020-12-22 04:50
  本研究的目的是設(shè)計(jì)一種用于天線電子掃描雷達(dá)系統(tǒng)(AZ-EL)俯仰角和方位角的控制器,這兩個(gè)角度是控制雷達(dá)跟蹤目標(biāo)時(shí)的主要特征。然而,由于整個(gè)系統(tǒng)遭受諸如高速運(yùn)動(dòng)的風(fēng)之類的干擾,在實(shí)際跟蹤目標(biāo)的時(shí)候仍然存在挑戰(zhàn)。此外,由于慣性矩因素,在負(fù)載變化時(shí)系統(tǒng)性能降低。以上是設(shè)計(jì)控制器必須知曉的主要內(nèi)容,以及為什么系統(tǒng)必須對(duì)所有的這些變化具有魯棒性,本文致力于對(duì)AZ-EL雷達(dá)底座的位置進(jìn)行高效精確控制,這也驗(yàn)證了使用魯棒控制器的正確性,因?yàn)槠渥钪匾膬?yōu)點(diǎn)是對(duì)參考輸入的變化不敏感?刂破鲗⒄{(diào)節(jié)雷達(dá)基座執(zhí)行器的輸出位置。本文選取永磁同步電動(dòng)機(jī)(PMSM)進(jìn)行控制,因?yàn)槠涫菨M足控制目標(biāo)的最佳選擇。通過定義合適的滑動(dòng)平面并計(jì)算相應(yīng)的輸入值來設(shè)計(jì)魯棒滑?刂。在設(shè)計(jì)的控制器調(diào)節(jié)PMSM電機(jī)的電流時(shí),同時(shí)雷達(dá)調(diào)整跟蹤位置,通過對(duì)電機(jī)模型仿真,計(jì)算和比較控制器的算法來對(duì)非線性特征進(jìn)行更精確控制。最后,在實(shí)時(shí)仿真中對(duì)控制器的性能進(jìn)行了測(cè)試。將參考方位和仰角數(shù)據(jù)隨機(jī)地作為跟蹤目標(biāo),從而證明了所提出的方法用于控制雷達(dá)基座的有效性。該項(xiàng)目在三維實(shí)時(shí)仿真環(huán)境下處理系統(tǒng)的動(dòng)態(tài)特性和控制器的設(shè)計(jì)。為此,我們需要建立緊密的關(guān)聯(lián)... 

【文章來源】:哈爾濱工業(yè)大學(xué)黑龍江省 211工程院校 985工程院校

【文章頁(yè)數(shù)】:65 頁(yè)

【學(xué)位級(jí)別】:碩士

【文章目錄】:
摘要
Abstract (in English)
Chapter 1 General introduction
    1.1. Background, objective and significance of the subject
    1.2. Problem description and research motivation
    1.3. Main research contents and outlines
Chapter 2 Overview of the electronic scanning radar system
    2.1. Introduction
    2.2. Electronic Scanning radar System (ESRS)
        2.2.1. Advantages of ESRS
        2.2.2. Disadvantages of ESRS
        2.2.3. Applications of ESRS
    2.3. Permanent Magnet Synchronous Motor (PMSM)
        2.3.1. Description of PMSM
        2.3.2. Machine Variables in the abc-reference frame
    2.4. Disturbance Estimation
    2.5. Other constraint
        2.5.1. Technical limitation of the system
        2.5.2. Forces applied to the pedestal
    2.6. Brief summary
Chapter 3 Robust control method
    3.1. Introduction
    3.2. Control Strategy
    3.3. Sliding-Mode Control (SMC)
    3.4. General description of the SMC
        3.4.1. Reaching phase
        3.4.2. Sliding phase
        3.4.3 Advantages and disadvantages of the SMC
    3.5. Design the controller
        3.5.1. Stability Analysis
        3.5.2. Reaching Time Analysis
        3.5.3. Analysis of Chattering
    3.6. Brief summary
Chapter 4 Matlab results and NCSLab simulation
    4.1. Introduction
    4.2. Matlab/Simulink project
        4.2.1. Modelling of the system
        4.2.2. Simulation results
    4.3. Real-time 3D Simulation
        4.3.1. Main software’s used in the real time
        4.3.2. NCS-3DS-Lab
    4.4. Brief summary
Chapter 5 Conclusion and future works
    Conclusion
    Future works
References
Acknowledgement
Resume



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