Bike pedal power sensor costs slashed tenfold

The power sensors that professional cyclists use cost more than $1,000 per unit. Leti presented a demonstrator system at CES 2017 that costs less than $100! The power sensor does not require any calibration, making it easy to use. Plus, it is compatible with all types of bicycles and is accurate to within around 8%, which is excellent. Finally, it offers twice the battery life of the sensors used by the pros.

The breakthroughs in cost and performance were achieved by using standard strain gauges, an ingenious method for integrating the sensor into the pedal, and a powerful algorithm based on the fusion of data from the sensors. Several patents have been filed to protect the innovation and several companies have expressed interest in scaling up the technology for manufacturing. The sensors can be used by professional athletes, hobby cyclists, and people who want to monitor their health.

Contact:  swan.gerome@cea.fr

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