Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/7356
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dc.contributor.advisor蘇武昌zh_TW
dc.contributor.advisorWu-Chung Suen_US
dc.contributor.author邱智翔zh_TW
dc.contributor.authorChiu, Chih-Hsiangen_US
dc.date2005zh_TW
dc.date.accessioned2014-06-06T06:39:57Z-
dc.date.available2014-06-06T06:39:57Z-
dc.identifier.urihttp://hdl.handle.net/11455/7356-
dc.description.abstract本論文對於電動輪椅的直流馬達驅動器提供了一種新式的設計。新式的設計只需要使用六個動力開關,且可以經由IGBT模組來實現。驅動系統由PWM(脈波寬度調變)來驅動。由於驅動器在硬體上有先天的缺陷,所以在使用時可能會產生垂直導通和扭力削減的問題。經由技巧性地安排PWM的開關時間,我們可以成功地克服這些缺陷。本論文使用兩種不同的裝置來產生PWM信號源,DSP(數位信號處理)及FPGA(場可程式化邏輯陣列)。新式的驅動器不僅在模擬及實作上都達到了令人滿意的成果。且由於系統所需使用的硬體元件數量的減少,不但縮減了系統的體積也大大地節省了經濟成本。zh_TW
dc.description.abstractThis thesis presents a new design of DC motor drive for power wheelchair control. The proposed circuit topology only requires six power electric switches to accomplish all behavior of a wheelchair and can be implemented by an IGBT package module. The system is driven by PWM(Pulse Width Modification) signal. Due to the inherent defects of the drive, there may be vertical conduction and torque reduction problems when driving the wheelchair. We arrange the on-off timing of PWM skillfully to overcome these problems. Two different devices are used to produce PWM signals, DSP(Digital Signal Processor) and FPGA(Field Programmable Gate Array). The drive not only performs satisfyingly both in simulation and practice, but also reduces the prime cost and the package volume significantlyen_US
dc.description.tableofcontentsChinese Abstract i English Abstract ii Contents iv List of Figures vi List of Tables ix Nomenclature x Chapter 1: Introduction 1 1.1 Introduction 1 1.2 Literature review 2 Chapter 2: A Six-step Inverter Topology for Wheelchair Motor Drives ….3 2.1 Introduction…………………………………………………………….……………3 2.2 Conventional Two-H-Bridge Drive 4 2.3 Six-step Inverter Drive .5 2.4 Vertical Conduction Problem 10 2.5 Torque reduction problem 11 Chapter 3: ANALYSIS of Circuit Model………….…………….…………………13 3.1 Introductiob………………………………………...……………………………….13 3.2 Improvement of torque conduction problem……………………….………………13 3.3 Forward & Right(Left)-forward-turning And Backward & Right(Left)- backward-turning…………………………………………..……………………….16 3.4 C.W.-rotation And C.C.W-rotation 22 Chapter 4: The Devices of Producing PWM Signals 26 4.1 Introduction 26 4.2 TMS320LF2407 DSP 26 4.3 FPGA 28 Chapter 5: Simulation andExperimental Result……………………………...31 5.1 Forward & Right(Left)-forward-turning And Backward & Right(Left)- backward-turning test 31 5.2 C.W.-rotation And C.C.W-rotation test 32 Chapter 6 Conclusion 6.1 Conclusion………………………………………………………………………….40 6.2 Future work…………………………………………………………………………40 Bibliography 42zh_TW
dc.language.isoen_USzh_TW
dc.publisher電機工程學系zh_TW
dc.subjectPowered Wheelchairen_US
dc.subject電動輪輢zh_TW
dc.subjectDC Motoren_US
dc.subjectDriveen_US
dc.subject直流馬達zh_TW
dc.subject驅動器zh_TW
dc.title電動輪椅的六段式開關驅動器zh_TW
dc.titleA Six-step Inverter Drive of a Powered Wheelchairen_US
dc.typeThesis and Dissertationzh_TW
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.openairetypeThesis and Dissertation-
item.cerifentitytypePublications-
item.fulltextno fulltext-
item.languageiso639-1en_US-
item.grantfulltextnone-
Appears in Collections:電機工程學系所
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