Page 260 - Handbook of Biomechatronics

254 Georgios A. Bertos and Evangelos G. Papadopoulos

and perturbations sinusoidal

Bouncing stiffness decrement decrement stiffness decrement system

or random (range¼0.2–1) and identification
Running ζ/Method board 0.34 log 0.18 b log 0.13 b 0.32 b track 0.55 log 0.18 b Mean¼0.577 analysis

During,

Damping

and 1180N/(m/s) a 570N/(m/s) 3986kg/s¼406.8 N/(m/s) 950N/(m/s) 2658–3365N/(m/s) a 570N/(m/s) Mean¼800N/m/s (range¼400–1200 N/m/s)
Stiffness B

of was
Identification when θ angle degrees ¼31,898N/ Mean¼7kN/m (range¼2–20k

Vivo 37.6kN/m the 45 34–41kN/m 31,898kg/ s 2 m 28,500N/m 73–117kN/m 34–41kN/m N/m) subject.

In k
of 80kg
Literature board a a at angle knees with ankles knees with ankles Externally small using knees with ankles an assuming

Reported Walking on Bouncing knees with specific Bouncing and locked plantar-flexed Bouncing and locked plantar-flexed Standing. induced amplitude perturbations harness-pulley system Running Bouncing and locked plantar-flexed Walking ζ and k B. and k

Between During Results Task a of values the of values the

Comparison Model’s (1979) (1970) (1983) (2000) al. and (1979) (1970) model from from

1 and McMahon al. et et McMahon Greene Proposed 2) (Eq. extracted extracted
Table Proposed Author Greene Cavagna Bach Zhang Cavagna a Values b Values