PROBLEM TO BE SOLVED: To inhibit a rider from misunderstanding that assist force is lowered due to loss of a battery charge when the assist force of an electric motor is lowered due to abnormality of a drive system.SOLUTION: A motor controller 21 has a drive system diagnostic part 21a. A BMC (battery management controller) 32 receives information indicating abnormality of a drive system 20 from the motor controller 21. An indicator 41 of a battery unit 30 indicates a residual charge of a battery 31 and the abnormality of the drive system 20.

    【課題】駆動システムの異常が原因で電動モータの補助力が低下している場合に、バッテリ残量が無くなったことが原因で補助力が低下したと乗員が誤認することを抑える。【解決手段】モータコントローラ21は駆動システム診断部21aを有している。BMC32は、モータコントローラ21から駆動システム20の異常を示す情報を受信する。バッテリユニット30のインジケータ41は、バッテリ31の残量と、駆動システム20を表示する。【選択図】図5


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    Title :

    ELECTRIC POWER ASSIST BICYCLE


    Additional title:

    電動アシスト自転車


    Contributors:

    Publication date :

    2015-10-05


    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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