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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 江茂雄(Mao-Hsiung Chiang),陳義男(Yih- Nan Chen) | |
| dc.contributor.author | Chi-Min Liao | en |
| dc.contributor.author | 廖啟閔 | zh_TW |
| dc.date.accessioned | 2021-06-15T04:46:28Z | - |
| dc.date.available | 2013-08-10 | |
| dc.date.copyright | 2010-08-10 | |
| dc.date.issued | 2010 | |
| dc.date.submitted | 2010-08-04 | |
| dc.identifier.citation | [1] Rehfeldt, K., Untersuchungen zur Modellbildung von Windkraftanlagen mit hydrostatischem Treibstrang und deren Regelung auf der Basis der Fuzzy-Logik (in German), VDI Verlag, Reihe 8, Nr.538, 2003.
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[42] Slotine. J. E. and Coetess. J. A., Adaptive sliding controller synthesis for nonlinear systems, Int. J. Control, Syst., Vol.43(6), pp. 1631-1651, 1986. [43] Lee H., Tomizuka M., Robust adaptive control using a universal approximator for SISO nonlinear systems, IEEE Trans. Fuzzy Syst., vol. 8, pp. 95-106, Feb. 2001. [44] Lin. C. M., Research on Variable Pitch Control System for Wind Turbine Blades, June, 2009. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/45806 | - |
| dc.description.abstract | 本文主旨在於發展大型風力發電機之創新變螺距系統以及液靜壓傳動變速控制之應用，此系統藉由變轉速泵控液壓伺服系統所驅動。為了解變螺距控制系統之實際運轉情形，設計並建立整部2MW風力發電機之液壓變螺距控制測試系統，其子系統包含創新變螺距控制機構、變轉速泵控液壓伺服系統、干擾系統、發電機系統及PC-Based控制系統。變轉速泵控液壓伺服系統包含一個AC伺服馬達、一個定排量之液壓幫浦、兩支差動缸以及液壓管路，高響應與高效率等特性使其能夠適用於大型風力機組之中。此外，為了實現此創新之變螺距控制系統，本文將其結合現代控制理論-具自調式模糊滑動補償之適應性模糊控制器。最後，實際的軌跡追蹤實驗包含五階軌跡、正弦軌跡與不同風速下之隨機軌跡，且加入不同負載與不同控制器之比較，使得本研究發展之創新液壓變螺距控制系統之優劣得到更完善的分析與了解。
另外，本文也加入液靜壓傳動系統應用於2MW大型風力發電機之模擬，藉由對液靜壓傳動系統的分析與研究，將來使用液靜壓傳動系統來取代傳統齒輪箱的諸多優點是可以被期待的。 | zh_TW |
| dc.description.abstract | The thesis aims to develop a novel pitch control system of a large wind turbine driven by a variable-speed pump-controlled hydraulic servo system. In order to realize practical experiments of the pitch control, the full-scale test rig of the hydraulic pitch control system of a 2 MW wind turbine’s blade, including a novel mechanism of pitch control, a variable-speed pump-controlled hydraulic servo system, a disturbance system and a PC-Based control system, are designed and set up. The variable-speed pump-controlled hydraulic servo system, which contains an AC servo motor, a constant displacement hydraulic piston pump, two differential hydraulic cylinders and hydraulic circuits, performs high response and high energy efficiency, such that it is suitable for the applications in wind turbines. Besides, in order to implement the pitch control in the proposed novel pitch control system, the adaptive fuzzy controller with self-tuning fuzzy sliding-mode compensation (AFC-STFSMC) is developed to design the pitch controller. Finally, the developed variable-speed pump-controlled hydraulic servo system has been realized and verified for the path tracking control of the pitch control of the wind turbines by practical experiments in the full-scale test rig under different path profiles, load torques, and random wind speed.
The simulation results of the hydrostatic transmission varable speed control system which is used on 2 MW wind turbines are implemented in this research. Through analyzing of the simulations, the hydrostatic transmission system can replace the gear box and has many advantages used in large wind turbines. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-15T04:46:28Z (GMT). No. of bitstreams: 1 ntu-99-R97525020-1.pdf: 1546314 bytes, checksum: a544dfbb37da2f02710b213fa2a32cfd (MD5) Previous issue date: 2010 | en |
| dc.description.tableofcontents | Contents
誌謝 I ABSTRACT II 中文摘要 III Contents IV List of Figures VI List of Tables IX Chapter 1 Introduction 1 1.1 Introduction 1 1.2 Literature Review 1 1.2.1 Wind turbine systems 1 1.2.2 Hydraulic pump-controlled system 2 1.2.3 Control theories 3 1.2.4 Motivation and objective of the research 4 1.3 Thesis Organization 5 Chapter 2 Layout of Novel Pitch Control System 7 2.1 Conventional variable pitch control system 7 2.2 The mechanisms and equipments of novel variable pitch control system 8 2.2.1 Novel variable pitch control system 8 2.2.2 Test rig layout of the novel pitch control system 8 2.2.3 Angular sensor and pressure sensor 12 2.2.4 PC-based control system 13 2.2.5 Disturbance system 14 Chapter 3 Modeling of Wind Turbine 17 3.1 Modeling of the aerodynamic of blade 18 3.2 Modeling of the gear box 18 3.3 The novel hydraulic pitch control system 20 3.3.1 Modeling of the variable-speed hydraulic pump- controlled system 20 3.3.2 The mechanism of the variable pitch control system 23 3.4 The generator system 24 3.4.1 Modeling of the permanent magnet synchronous generato 25 3.6 Modeling of the disturbance system 29 3.7 Modeling of variable rotational speed hydraulic pump-controlled system for controller design 31 3.7.1 Modeling of AC servo motor 31 3.7.2 Modeling of Constant displacement piston pump 31 3.7.3 Modeling of The controlled cylinders 32 3.7.4 State Equations of Variable Rotational Speed Hydraulic Pump-controlled System 33 Chapter 4 Control Theory and Controller Design 35 4.1 Control theory of the pitch control system 35 4.1.1 Single-input Fuzzy Control 35 4.1.2 Sliding mode control 37 4.1.3 Fuzzy Sliding Mode Control 37 4.1.4 Adaptive Fuzzy Controller with Self-tuning Fuzzy Sliding-Mode Compensation 39 4.2 Control strategy of the wind turbine 44 Chapter 5 Experiments and Simulations of Novel Variable Pitch Control System 45 5.1 Experiment without disturbance using different controllers 46 5.1.1 Experiment without disturbance using fuzzy sliding- mode controller 47 5.1.2 Experiment without disturbance using AFC-STFSMC 53 5.1.3 Comparison of the experimental results using different controllers 59 5.2 Experiment with disturbance using different controllers 60 5.2.1 Experiment with disturbance using fuzzy sliding-mode controller 61 5.2.2 Experiment with disturbance using AFC-STFSMC 71 5.2.3 Comparison of the experimental results using different controllers under different disturbance 81 5.3 Experiment and simulation of pitch control under random wind speed 83 Chapter 6 Hydrostatic Transmission Variable Rotational Speed Control 85 6.1 Introduction of Hydrostatic Transmission System 85 6.2 Modeling of Hydrostatic Transmission System 87 6.3 Simulations of a 2 MW Wind Turbine 88 6.3.1 Simulations of 2MW Wind Turbine Using HST and Gear Box 89 6.3.2 Simulations of 2MW Wind Turbine Using HST 102 Chapter 7 Conclusions 105 References 107 | |
| dc.language.iso | en | |
| dc.title | 2MW風力發電機之葉片變螺距控制及液靜壓傳動變速控制之研究 | zh_TW |
| dc.title | Research on Variable Pitch Control of Blades and Hydrostatic Transmission Variable Rotational Speed Control for a 2MW Wind Turbine | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 98-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 施明璋(Ming-Chang Shih),吳聰能,郭振華 | |
| dc.subject.keyword | 風力發電機,變螺距控制系統,變轉速泵控液壓伺服系統,軌跡追蹤,具自調式模糊滑動補償之適應性模糊控制器,液靜壓傳動系統, | zh_TW |
| dc.subject.keyword | wind turbine,pitch control,variable-speed pump-controlled hydraulic servo system,path tracking control and adaptive fuzzy controller with self-tuning fuzzy sliding-mode compensation,hydrostatic transmission,variable speed control, | en |
| dc.relation.page | 110 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2010-08-05 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 工程科學及海洋工程學研究所 | zh_TW |
| 顯示於系所單位： | 工程科學及海洋工程學系 | |
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