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    • 10. 发明授权
    • Systems and methods of power output measurement
    • 功率输出测量的系统和方法
    • US08122773B2
    • 2012-02-28
    • US12543023
    • 2009-08-18
    • Roland Jeffrey WyattDylan John SeguinRichard Benjamin Knapp
    • Roland Jeffrey WyattDylan John SeguinRichard Benjamin Knapp
    • G01N3/08
    • A61B5/221A61B5/0002A61B5/6807A61B2562/0247G01L3/24
    • The present invention pertains to systems and methods for measuring power output, as in an athletic activity such as cycling. One embodiment relates to a force sensing device configured to be mounted on the bottom surface of a shoe as part of a mechanical linkage through which force is exerted. For cycling, the force sensor is mounted on the bottom surface of a cycling shoe and fitted with a cleat that interlockingly engages a bicycle pedal. To measure both positive and negative pressures on the pedal, the force sensor is pre-stressed with a compressive load to an intermediate point in its dynamic range. Strains that further compress or decompress the force sensor can thus be measured. The computing module mathematically converts the measured pressures, positive and negative, to a measurement of total power exerted by the rider. In addition, the computing module may utilize cyclical regularities in the signal to compute the rider's cadence (pedal revolutions per unit of time). Data from the force sensor is transmitted wirelessly to a remote display where it can be viewed by the rider.
    • 本发明涉及用于测量功率输出的系统和方法,如在诸如骑自行车的运动活动中。 一个实施例涉及一种力传感装置,其被配置为安装在鞋的底表面上,作为施加力的机械连杆的一部分。 对于自行车,力传感器安装在自行车鞋的底部表面上,并装配有与自行车踏板互锁的防滑板。 为了测量踏板上的正压和负压,力传感器在其动态范围内以压缩载荷预压至中间点。 因此可以测量进一步压缩或解压力传感器的菌株。 计算模块将所测量的正压和负压力数学转换为骑手施加的总功率的测量值。 此外,计算模块可以利用信号中的循环规律来计算骑手的节奏(每单位时间的踏板转数)。 来自力传感器的数据被无线传输到远程显示器,可以由骑手观看。