There are two categories in robot. One is the Axial driving system and the other is Tendon driving system. Axial driving system is structured by motors and gears in joint and it can generate high power with high precision. On the other hand, tendon driving system can realize more humanized movement due to its structure closer to human being. The development of tendon driving system has been hot these days in consumer use robot.
Spring unit "GoseiAdjuster™" is developed for tendon driving system robots. It can let the wire (tendon in robot) have elasticity as tendon in human being, which can make robot react softly against the force from outer environment.
This is the adjuster of stiffness of wire (=Gosei by Japanese) is adjusted by this component.
Minimized friction structure by bearing makes life time of wire improve. Additionally, stiffness can be measured by the angle of bearing shaft.
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【1】 Stiffness can be calculated by the angle of bearing shaft
【2】 Long life time of wire by minimized friction
Low cost model by less number of components. Enabling stiffness adjust without re-assembling entire robot structure by add-on design.
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【1】 Add on type
【2】 low cost design
【3】 compact
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