| 摘要 |
<p>A muscle-operated vehicle, in particular bicycle, is provided with a human power drive system (75) comprising a crankshaft (46), an auxiliary power unit (40) comprising a battery powered electric motor (44), and with a control device (54). This control device (54) controls the auxiliary power unit in accordance with the power applicable to the human power drive system. Said control device further comprises motor characteristic control means (90,91) for changing the operation characteristic of the electric motor (44) in accordance with vehicle running conditions detected.</p> |
