Adaptive Foot in Lower-Limb Prostheses

Table 3

Methods of classification of adaptive foot prostheses.

Classification method	Parameters
Actuation method	Passive
	Active
	Hypird
DOF	Active DOF
Type of actuators	DC brushless motors
	DC servo motors
	AC servo motors
Power transmission method	Gear drives
	Chain drives
	Linkages
	Clutch drives
Energy regeneration methods	Series elastic actuators (SEA)
	Coil springs and clutch motors
	Linkages and camshafts
	Leaf springs
Attaching method	Coupling
	Pyramid adaptor