Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Movea

Jérôme Doutaz

Roland Blanpain

Viviane Cattin

Thimothée Jobert

Stéphanie Riche

A system for assisting a driver of a biomechanically-driven vehicle having at least one wheel (R), such as a bicycle, includes a device (DET) for determining the speed of the vehicle, another device (DET) for determining the heading of the vehicle, a magnetometer (M) with at least two measurement axes for supplying data to determine the heading of the vehicle, and a device for supplying information relating to a movement of the vehicle, based on the speed of the vehicle, the slope of the rolling surface, and the heading of the vehicle.

System and method for assisting the driver of a biomechanically driven vehicle including at least one wheel

This method of converting a displacement of a magnetic object into a signal directly perceptible by a human being, comprises: &#x2014;the acquisition () of a temporal succession of measurements of a magnetic field modified by the displacements of the object during a sliding time window of predetermined duration, &#x2014;the construction () on the basis of this acquired temporal succession of measurements of several signals each representing a characteristic of the measured magnetic field dependent on a corresponding characteristic of the displacement of the object, and &#x2014;the adjustment () of several parameters of the directly perceptible signal as a function of the signals so as to render these characteristics directly perceptible.

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Grenoble, France

Jérôme Doutaz