| 摘要 |
A method and system for computer-con- trolled shifting of a bicycle is provided. In pre- ferred embodiments, the present invention provides a computer system that detects speed, hub speed, and crank speed, determines the optimum bicycle gear selection to maintain a desired cadence, and shifts the bicycle to the optimum bicycle gear. The computer also inputs a shift up and shift down sig- nals from the cyclist to override the computer-se- lected gear. When the cyclist indicates a shift up or down, the computer adjusts the desired cadence. The computer determines the gear selection to en- sure a uniform transition from the current gear to the next gear. The computer ensures that when shifting from the current gear to the next gear, the bicycle does not transition through a gear that is not between the current and next gears.
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