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. 2021 May 28;15:653409. doi: 10.3389/fnbot.2021.653409

Figure 2.

Figure 2

The ankle angle based high-level desired torque curve imposed in experiments to realize different desired quasi-stiffness profiles. It commands desired torque that is linearly proportional to exoskeleton joint angle θe defined by anchor point [θe,0 0] and desired quasi-stiffness Kdes.