礦石粉碎加工設(shè)備是礦石加工行業(yè)的重要設(shè)備,常規(guī)的驅(qū)動系統(tǒng)一般采用感應(yīng)電機(jī)與減速器結(jié)合方式,系統(tǒng)能量效率低下。在節(jié)能環(huán)保要求日趨嚴(yán)峻的形勢下,提升礦石粉碎加工設(shè)備系統(tǒng)能量效率已成為亟需解決的重要實際問題。近年來,無減速器的直驅(qū)電機(jī)系統(tǒng)因其高效和小體積等優(yōu)點受到研究關(guān)注并且得到飛速發(fā)展,其中開關(guān)磁阻電機(jī)具有高效率、高能量輸出、高轉(zhuǎn)矩密度和高可靠性的優(yōu)勢,在多個領(lǐng)域作為直驅(qū)電機(jī)得到了重要應(yīng)用。本文以礦石加工為應(yīng)用背景,以礦用雷蒙粉碎機(jī)（Raymond Pulverizer）為研究對象,采用開關(guān)磁阻電機(jī)作為直驅(qū)電機(jī)的方案。針對低轉(zhuǎn)速、大扭矩帶來的系統(tǒng)效率低、轉(zhuǎn)矩脈動大、渦流損耗大和溫升較高等突出問題,采用高極槽數(shù)的解決方案,重點針對高極槽數(shù)開關(guān)磁阻電機(jī)電磁性能分析理論、機(jī)械強(qiáng)度與熱力學(xué)特性分析方法、磁場解析與損耗計算模型與綜合設(shè)計方法等方面開展研究工作,最終實現(xiàn)開關(guān)磁阻電機(jī)直接驅(qū)動雷蒙德粉碎機(jī)。主要內(nèi)容包括:（1）在對已有傳統(tǒng)礦用雷蒙粉碎機(jī)結(jié)構(gòu)特點和運行機(jī)理分析的基礎(chǔ)上,設(shè)計直驅(qū)開關(guān)磁阻電機(jī)的參數(shù),并且針對各個參數(shù)對于電機(jī)性能影響進(jìn)行深入研究,給出了低速直驅(qū)開關(guān)磁阻電機(jī)的新拓?fù)湓O(shè)計。利用有限元... 

【文章來源】：大連理工大學(xué)遼寧省 211工程院校 985工程院校 教育部直屬院校

【文章頁數(shù)】：185 頁

【學(xué)位級別】：博士

【文章目錄】：
ABSTRACT
摘要
List of Abbreviations and Notations
1 Introduction
    1.1 Background, motivation and significance of the study
        1.1.1 An overview direct drive system
        1.1.2 Raymond pulverizer in mining applications
        1.1.3 Direct-drive machines typologies for mining application
    1.2 Fundamentals of switched reluctance motor
        1.2.1 Structure of switched reluctance motor
        1.2.2 Operation principles of switched reluctance motor
    1.3 Literature review of switched reluctance motor
        1.3.1 Electromagnetic modeling research status of switched reluctance motor
            1.3.1.1 Analytical methods
            1.3.1.2 Numerical methods
        1.3.2 Thermal modeling research status of switched reluctance motor
        1.3.3 Enhance the performance of switched reluctance motor
            1.3.3.1 Torque ripple reduction
            1.3.3.2 Acoustic noise reduction
            1.3.3.3 Efficiency improvement
            1.3.3.4 Torque density enhancement
        1.3.4 Optimization of switched reluctance motor
    1.4 Key problems and objectives of the study
    1.5 Content and technology routes of thesis
        1.5.1 Content of thesis
        1.5.2 Technology routes of thesis
2 Design of a switched reluctance motor for low-speed direct-drive mining application
    2.1 Design of a switched reluctance motor for low speed
        2.1.1 Initial design of a switched reluctance motor
        2.1.2 Investigation the parameters of a switched reluctance motor
    2.2 Investigation of losses
        2.2.1 Stator copper loss
        2.2.2 Iron loss
        2.2.3 Mechanical loss
    2.3 Converter topology and switching angles
        2.3.1 Investigation of switching angles
    2.4 Simulation results of the switched reluctance motor
        2.4.1 Static characteristics of the switched reluctance motor
        2.4.2 The loss of the switched reluctance motor
        2.4.3 Performance characteristic of the switched reluctance motor
    2.5 Summary
3 Optimization based on surrogate models of a switched reluctance motor
    3.1 Introduction
    3.2 Surrogate modelling
        3.2.1 Latin hypercube sampling
        3.2.2 Kriging model
    3.3 Surrogate model-based optimization（SMBO）
        3.3.1 Optimization problem definition of the switched reluctance motor
        3.3.2 Sensitivity analysis（SA）
        3.3.3 Surrogate model and heuristic search method
    3.4 Numerical results and analysis
    3.5 Summary
4 Thermal and mechanical analysis of the switched reluctance motor
    4.1 Introduction
    4.2 Thermal analysis
        4.2.1 3D thermal model
        4.2.2 The boundary conditions of heat transfer coefficient
            4.2.2.1 The effective thermal conductivity of air-gap
            4.2.2.2 Equivalent model of stator windings
            4.2.2.3 Heat transfer coefficient between external frame and ambient
            4.2.2.4 Forced convection coefficient between end winding and end-caps
            4.2.2.5 The heat transfer coefficient of water jacket
        4.2.3 Computational fluid dynamics analysis for water jacket
    4.3 Mechanical analysis
        4.3.1 The radial and tangential forces
        4.3.2 Modal analysis
        4.3.3 Harmonic analysis methods
    4.4 Summary
5 Validation of experiment
    5.1 Introduction
    5.2 Fabrication and assembly of the prototype
        5.2.1 Manufacture of the stator core and winding
        5.2.2 Manufacture of the rotor core and the shaft
    5.3 Drive control system of the switched reluctance motor
        5.3.1 The design of system hardware
            5.3.1.1 The main control module
            5.3.1.2 The power circuit of the converter
            5.3.1.3 Drive circuit design
            5.3.1.4 Rotor position detection module
            5.3.1.5 Current sampling circuit design
            5.3.1.6 Voltage sampling circuit design
        5.3.2 System software design
    5.4 Electromagnetic performance test of the switched reluctance motor
    5.5 Thermal performance test of the switched reluctance motor
    5.6 The hammer impact test
    5.7 The comparison between the proposed motor and the induction motor
    5.8 Summary
6 Conclusions and recommendations for future work
    6.1 Conclusions
    6.2 Abstract of Innovation Points
    6.3 Future Research
References
The Appendix A
Published Academic Articles during PhD period
Acknowledgements
Author Information


【參考文獻(xiàn)】：
期刊論文
[1]考慮零件壽命相關(guān)的風(fēng)電齒輪箱可靠性分析[J]. 劉波,安宗文.  機(jī)械工程學(xué)報. 2015(10)



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