作為一種應(yīng)用廣泛的升壓型電力變換器,DC-DC Boost變換器的輸出電壓品質(zhì)一直是制約其應(yīng)用的關(guān)鍵問(wèn)題。從電路本身而言,Boost變換器屬于一類(lèi)典型的非線性時(shí)變系統(tǒng),且受到諸如電路寄生參數(shù)等擾動(dòng)因素的影響;從控制器設(shè)計(jì)角度,盡管具有強(qiáng)魯棒性的滑�？刂萍夹g(shù)已經(jīng)得到普遍應(yīng)用,但滑�？刂乒逃械亩墩駟�(wèn)題卻會(huì)誘發(fā)嚴(yán)重的諧波,進(jìn)而嚴(yán)重制約其性能的提高。本文將從電路建模和控制兩個(gè)角度研究影響B(tài)oost變換器輸出電壓品質(zhì)的因素,這對(duì)本質(zhì)和全面改善Boost變換器性能將有重要借鑒價(jià)值。研究Boost變換器電路寄生參數(shù)對(duì)其高頻和低頻性能的擾動(dòng)影響�？紤]功率開(kāi)關(guān)管、電容和電感儲(chǔ)能元器件、二極管正向壓降和電阻等的寄生參數(shù)存在性,在電感電流連續(xù)工作模式下,建立Boost變換器的等效變換模型,推導(dǎo)出其傳遞函數(shù),分析不同寄生參數(shù)對(duì)電路高頻和低頻性能的數(shù)學(xué)影響關(guān)系。計(jì)及建模過(guò)程中常忽略的傳感器未建模動(dòng)態(tài),研究傳感器穩(wěn)定輸出情況下的滑模控制Boost變換器的擾動(dòng)性能影響�？紤]傳感器的靜態(tài)和動(dòng)態(tài)特性,選擇其上升時(shí)間作為攝動(dòng)因子建立傳感器未建模動(dòng)態(tài)的奇異攝動(dòng)模型,給出保證其穩(wěn)定輸出下的約束條件,并在奇異攝動(dòng)小時(shí)間尺度內(nèi)證... 

【文章來(lái)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)】：72 頁(yè)

【學(xué)位級(jí)別】：碩士

【文章目錄】：
摘要
Abstract
Chapter1 Introduction
    1.1 Research background and significance
    1.2 Review of key studies
        1.2.1 SMC applications in power converters
        1.2.2 Modelling methods
        1.2.3 Unmodeled dynamics on power converters
        1.2.4 Parameter estimation of power converters
    1.3 Main contents of research
Chapter2 Modelling and analysis of parasitic circuit parameters in Boost converters
    2.1 Parasitic models of circuit components
    2.2 Modeling of Boost converter
        2.2.1 Averaged large signal model
        2.2.2 Steady state model
        2.2.3 Small signal model
    2.3 Frequency influence of parasitic parameters
    2.4 Simulations and experiments
        2.4.1 Simulations
        2.4.2 Experiments
    2.5 Chapter summary
Chapter3 Influence of sensor unmodeled dynamics on SMC Boost converter
    3.1 System modeling
        3.1.1 Ideal boost converter
        3.1.2 Sensor modelling
        3.1.3 Linear sliding mode controller
    3.2 Stability analysis
        3.2.1 Guaranteed stability of the SMC
        3.2.2 Restricted stability of sensor with unmodeled dynamics
        3.2.3 Stability analysis of the closed-loop system
    3.3 Quantitative analysis of output voltage harmonics
    3.4 Simulation and experiments
        3.4.1 Model identification of real sensor
        3.4.2 Performance comparison of real system and ideal system
    3.5 Chapter summary
Chapter4 Harmonics cancellation based on the multiphase sliding mode control of Boost converters
    4.1 Basics of multiphase SMC
    4.2 Multiphase SMC of Boost converters
    4.3 Harmonics cancellation in multiphase SMC of Boost converter
        4.3.1 Desgin of a2-phases SMC
        4.3.2 Design of a4-phases SMC
    4.4 Simulation Results
        4.4.1 Simulation results for a2-phases Boost converter
        4.4.2 Simulation results for a4-phases Boost converter
        4.4.3 Comparison of results
    4.5 Chapter summary
Chapter5 System state estimation of Boost converter using sliding mode observer
    5.1 Basics of sliding mode observers for system state estimation
    5.2 Sliding mode observer for Boost converter systems
        5.2.1 Boost converter model
        5.2.2 Current sliding mode controller
        5.2.3 Sliding mode observer
    5.3 Simulation and experiments
        5.3.1 Simulation results
        5.3.2 Experiment results
    5.4 Chapter summary
Conclusion
References
Papers published in the period of Master education
Acknowledgement


【參考文獻(xiàn)】：
期刊論文
[1]Buck型變換器自適應(yīng)有限時(shí)間降壓控制算法研究[J]. 楊晨,程盈盈,都海波,王金平,何怡剛.  自動(dòng)化學(xué)報(bào). 2016(02)
[2]多重化雙向DC-DC變換器PI滑模變結(jié)構(gòu)控制策略研究[J]. 陳明,汪光森,馬偉明.  電力自動(dòng)化設(shè)備. 2008(04)



本文編號(hào)：3619468