This paper addresses the problem of motor activation on electric-power-assisted cycles that are not equipped with pedal torque sensors. The algorithm is based on inertial and motor velocity measurements along with pedal cadence. The problem is solved by a system that detects when the rider is on the saddle. Three different dynamics (longitudinal, lateral, and vertical) are analyzed, showing differences in their characteristics when the rider is on the saddle and when she is walking the bicycle. The problem is framed as a fault detection problem based on three independent analyses that are then fused. Experimental validation on a single-gear bicycle shows that the proposed solution outperforms the traditional cadence-based activation logic both reliability and reactiveness standpoints. The proposed system improves reactiveness compared with the standard cadence-based method without affecting safety.


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    Title :

    An IMU-Driven Rider-on-Saddle Detection System for Electric-Power-Assisted Bicycles




    Publication date :

    2016




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    55.84 / 55.24 / 55.84 Straßenverkehr / 55.24 Fahrzeugführung, Fahrtechnik



    An IMU-Driven Rider-on-Saddle Detection System for Electric-Power-Assisted Bicycles

    Corno, Matteo / Berretta, Daniele / Savaresi, Sergio M. | IEEE | 2016


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