PROBLEM TO BE SOLVED: To provide an electric power-assisted bicycle capable of improving traveling stability in starting and at a low speed and maintaining stability during turning.SOLUTION: An electric power-assisted bicycle comprises: an electric motor 30 generating auxiliary driving force on a wheel of the bicycle; a vehicle speed sensor 36 detecting a vehicle speed; a steering angle sensor 38 detecting a rotation angle of a handle; and an arithmetic processing unit 20, when a lower vehicle speed than a predetermined speed is detected by the vehicle speed sensor 36, controlling the electric motor 30 to generate predetermined auxiliary driving force according to the rotation angle detected by the steering angle sensor 38, and when a vehicle speed equal to or higher than the predetermined speed is detected by the vehicle speed sensor 36, controlling the electric motor 30 to generate predetermined auxiliary driving force for the time of steady traveling.SELECTED DRAWING: Figure 2

    【課題】発進時や低速時における走行安定性を向上し、かつ旋回時の安定性を維持することが可能な電動補助自転車を提供することを目的とする。【解決手段】補助駆動力を自転車の車輪に発生させる電動モータ30と、車速を検出する車速センサ36と、ハンドルの回転角度を検出する舵角センサ38と、車速センサ36によって予め定めた速度より低い車速が検出された場合に、舵角センサ38によって検出された回転角度に応じて予め定めた補助駆動力を発生するように電動モータ30を制御し、車速センサ36によって予め定めた速度以上の車速が検出された場合に、予め定めた定常走行時の補助駆動力を発生するように電動モータ30を制御する演算処理装置20と、を備える。【選択図】図2


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    Title :

    ELECTRIC POWER-ASSISTED BICYCLE


    Additional title:

    電動補助自転車


    Contributors:

    Publication date :

    2016-06-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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