Method of controlling a prosthesis

摘要

The present invention relates to a method of controlling a movable component of a prosthesis or orthosis. The method (100) comprises moving the component by means of a motor (102) and determining when movement of the component is arrested when the component bears against a surface (104, 106). Thereafter a plurality of driving electrical pulses are applied to the motor (110) in dependence on the determination and when movement of the component is arrested to thereby drive the motor so as to cause the component to bear against the surface with greater force.

主权项

1. A method of increasing the force applied by a movable component of a prosthesis or orthosis against a surface, the method comprising:
moving the component by providing a plurality of spaced apart electrical motive pulses supplied to a motor driving a worm gear having a plurality of teeth that extend at an angle greater than 2° and less than 10° as measured from a line perpendicular to the axis of rotation of the worm and configured to drive the movable component; determining when movement of the component is arrested when the component bears against the surface; and providing a plurality of driving electrical pulses to the motor in response to the determination that the movement of the component is arrested, wherein the plurality of motive electrical pulses have a frequency more than 1000 times higher than the frequency of the driving pulses, to thereby drive the motor so as to cause the component to bear against the surface with greater force.