Wearable type movement assisting apparatus, calibration...

A - Human Necessities – 61 – H

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A61H 3/00 (2006.01)

Patent

CA 2559538

[Problem to be solved] The problem to be solved by the present invention is to reduce the load applied to the wearer by correcting a parameter in correspondence with detectivity of biosignals. [Means to solve problem] The calibration controlling part 162 of the movement assisting apparatus 10 enables the power amplifying part 158 to apply a driving force of the driving source 140 as a load (input torque) from the load generating part 164 to the wearer 12 when the wearer 12 wears the movement assisting wearing device. Then, the wearer 12 applied with the driving force of the driving source 140 generates power from the skeletal muscles by performing a predetermined calibration operation. Accordingly, the physical phenomenon detecting part 142 detects joint angle along with the calibration operation, and the biosignal detecting part 144 detects myoelectric signals. In the parameter correction part 156, a parameter K is corrected based on the difference between the load (input torque) and the driving force (muscular strength) being calculated by the difference deriving part 154 with respect to the phase identified by the phase identifying part 152.

Lorsqu'un porteur (12) porte un système d'aide au comportement (18), la méthode de contrôle du calibrage (162) d'un dispositif d'aide du comportement (10) applique une force directrice depuis une source directrice (140) sous forme de charge (couple d'entrée) sur le porteur (12) par une méthode de génération de charge (164). Le porteur (12) qui reçoit la force directrice de la source directrice (140) procède à une opération de calibrage prédéterminée et génère une force à partir de ses muscles squelettiques. Le signal du potentiel de muscle accompagnant l'opération de calibrage est détecté par une méthode de détection du signal biométrique (144). La méthode de correction des paramètres (156) corrige un paramètre (K) en fonction de la différence entre la charge (couple d'entrée) et la force musculaire correspondant au signal de potentiel du muscle, corrigeant ainsi la puissance d'aide conformément à la sensibilité de détection du signal biométrique de manière à réduire la charge sur le porteur.

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