混成動力機車傳動系統之設計與測試

Design and Test of A Hybrid Electric Motorcycle Transmissions

蔡俊興(Chun-hsing Tsai)

國立虎尾科技大學/工程學院/動力機械工程研究所/碩士(2005年)

摘要

本研究之目的在於介紹一套混成動力機車傳動系統之設計。本傳動系統之設計概念，係結合有段變速裝置與無段變速兩種傳動模式為一體，並同時搭配電動馬達與汽油引擎兩種不同之動力源。此系統具有四種驅動模式可供切換使用，包括：(1)馬達模式、(2)引擎模式、(3)引擎充電模式、(4)高馬力模式。於起步與低速行駛時，以電動馬達為動力源，經由具較高效率之有段變速模式傳動，同時可有效降低引擎怠速運轉之空氣污染；在中、高速行駛時，則以引擎為動力源，經V型皮帶傳動之無段變速模式傳動，以保有V型皮帶傳動系統換檔平順，操作簡易的優點，又當電瓶電容量不足時，轉換電動馬達為發電機充電至電瓶，可降低電瓶電容量的需求。；當在爬坡需要高馬力時，則由馬達與引擎同時驅動機車以滿足高馬力需求。
本論文首先說明本研究所提出之混成動力傳動系統之架構與運作模式。接著，針對所提出的設計構想進行傳動系統的運動分析與設計，藉以得到各組件之基本尺寸。最後，進行雛型機之設計與製作，並將組裝完成之雛形機進行平台測試。實驗結果顯示，本研究所提出之混成動力機車傳動系統，各種驅動模式均能有效作動，並發揮設計之功能，顯示本研究所提出之混成動力機車傳動系統確為具體可行之設計方案。

並列摘要

This paper describes an approach for designing a new hybrid power transmitting system for motorcycles. The concept is to combine a fixed gear ratio and a V-belt continuously variable transmission into a hybrid power transmitting system. The system uses four different modes in order to maximize the performance and reduce emissions : electric motor mode, engine mode, engine/charging mode ; and power mode. During in start-up and running in low rpm situation, the electric motor power is transmitted via the high efficiency gear device. The V-belt device with stepless transmission function is employed in a high rpm running using the combustion engine power. Hence, the transmitting efficiency of the entire transmission device is significantly promoted and keeps the advantages of continuously variable transmission such as smooth in operation, easy derivability, etc. Moreover, if the battery power is low, the electric motor is switched into a generator mode for charging the battery. When climbing hills, the motorcycle is operated in the power mode, the engine and the electric motor drive the motorcycle simultaneously to achieve maximum power.
This paper begins with the description of the hybrid power transmitting system and proceeds with kinematic analysis and design to obtain the size of each component of this system. Finally, a prototype of this new design is fabricated and tested. The results show that the hybrid electric motorcycle transmission is practicable.

參考文獻

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