Brake assist system for a cyclist on a bicycle by a haptic feedback
AssigneeBlubrake S.p.A.
InventorsMatteo Corno, Giulio Panzani, Sergio Matteo Savaresi, Fabio Todeschini
Life of this patent
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Abstract
A brake assist system for a cyclist on a bicycle by a haptic feedback includes: a first sensor for measuring the angular speed of a first bicycle wheel, suitable for generating a signal representing the first wheel angular speed; a second sensor for measuring the angular speed of a second bicycle wheel, suitable for generating a signal representing the second wheel angular speed; an actuator applicable to a bicycle portion, suitable for producing vibrations; and a control module.
Claims18
Brake assist system for a cyclist on a bicycle by a haptic feedback, comprising:
- a first sensor for measuring the angular speed of a first bicycle wheel, suitable for generating a signal representing the first wheel angular speed;
- a second sensor for measuring the angular speed of a second bicycle wheel, suitable for generating a signal representing the second wheel angular speed;
- an actuator applicable to a bicycle portion suitable for producing vibrations;
- a control module configured for:
- receiving at the input the signals representing the angular speeds of the first and second wheels;
- determining a variable representing the slip and/or deceleration of the first wheel, or the risk of flipping over the bicycle around said first wheel based on at least said angular speeds of the first and second wheels;
- determining a vibration frequency of the actuator based on said variable representing the slip and/or deceleration of the first wheel or the risk of flipping over the bicycle around said first wheel;
- generating a command signal of the actuator so that the actuator vibrates at said vibration frequency,
- wherein said vibration forms said haptic feedback for the cyclist,
- wherein said control module is configured for modifying said vibration frequency based on the bicycle speed determined from the signal representing the angular speed of the second wheel.
Brake assist system for a cyclist on a bicycle by a haptic feedback, comprising:
- a first sensor for measuring the angular speed of a first bicycle wheel, suitable for generating a signal representing the first wheel angular speed;
- an actuator applicable to a bicycle portion suitable for producing vibrations;
- a control module configured for:
- receiving at the input the signal representing the angular speed of the first wheel;
- determining a variable representing the slip and/or deceleration of the first wheel, or the risk of flipping over the bicycle around said first wheel based on at least said angular speed of the first wheel;
- determining a vibration frequency of the actuator based on said variable representing the slip and/or deceleration of the first wheel or the risk of flipping over the bicycle around said first wheel;
- generating a command signal of the actuator so that the actuator vibrates at said vibration frequency, wherein said vibration forms said haptic feedback for the cyclist,
- wherein said variable representing the slip and/or deceleration of the first wheel or the risk of flipping-over the bicycle is the deceleration error between a predetermined reference deceleration and the effective longitudinal deceleration of the first wheel, and said control module comprises a module for estimating said effective longitudinal deceleration of the first wheel and a memory module storing a predetermined static map correlating said vibration frequency with said deceleration error.
Dependencies are inferred from the claim text.