نبذة مختصرة : (top:) Vertical CoM displacement vs. time, vertical GRF vs. time, and leg Power vs. time, for varying force-rate cost coefficient ϵ . (bottom:) Actuator work cost E W (thin blue line), Total cost E W + E R (work and force rate, solid black line), and Force-rate cost E R (difference between lines) vary with the coefficient. Impulsive actions (red arrows, V. GRF and leg Power) occur at Collision, and overall leg power (solid black line) includes contributions from the Spring and Actuator. All solutions are shown for v of 3 m s -1 and f of 2.94 Hz.
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