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Erratum to: Experimental Mechanics
DOI 10.1007/s11340-010-9347-1
In the above mentioned article, due to a systematic error measuring angular position, the penetration force during rotational intrusion, F p(θ), was misreported in Fig. 4b. Correcting the error shifts the angle of peak force (β0) from −0.5 to −0.75 and increases the maximum value of the force increases by 4% (see figure). Model calculations dependent on F p(θ) change slightly with the correction (using β0 = −0.75 and k’ = 65 N/m) and remain qualitatively unchanged as do the conclusions of the paper.
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The online version of the original article can be found at http://dx.doi.org/10.1007/s11340-010-9347-1.
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Li, C., Umbanhowar, P.B., Komsuoglu, H. et al. Erratum to: The Effect of Limb Kinematics on the Speed of a Legged Robot on Granular Media. Exp Mech 51, 1017 (2011). https://doi.org/10.1007/s11340-011-9497-9
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DOI: https://doi.org/10.1007/s11340-011-9497-9