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  • SAGE Publications  (3)
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  • SAGE Publications  (3)
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  • 1
    Online Resource
    Online Resource
    SAGE Publications ; 2012
    In:  Adaptive Behavior Vol. 20, No. 1 ( 2012-02), p. 3-9
    In: Adaptive Behavior, SAGE Publications, Vol. 20, No. 1 ( 2012-02), p. 3-9
    Abstract: Predator–prey interactions are probably one of the key mechanisms for explaining the evolution of organisms in their ecosystems. Scientific fields relevant to understanding the mechanisms of these interactions are as diverse as evolutionary biology, behavioral ecology, ecomorphology, molecular biology, phylogeny, neurosciences, physiology, biomechanics, and robotics. The difficulty in understanding these mechanisms lies therefore (1) in the multi- and interdisciplinary nature of this issue, and (2) in keeping up with very rapid developments in various scientific fields. This Special Issue provides an interdisciplinary approach to predator–prey interactions to identify how phenotypic traits of both types of organisms interact and how each can act as a selective pressure on the evolution of a population of organisms at the different levels of the trophic chain. Moreover, we show that confronting bodies of knowledge that a priori appear as remote as those of robotics and experimental biology or ecology may seem difficult but can provide reciprocal understanding.
    Type of Medium: Online Resource
    ISSN: 1059-7123 , 1741-2633
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2012
    detail.hit.zdb_id: 2070012-X
    SSG: 12
    SSG: 5,2
    Location Call Number Limitation Availability
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  • 2
    Online Resource
    Online Resource
    SAGE Publications ; 2012
    In:  Adaptive Behavior Vol. 20, No. 1 ( 2012-02), p. 67-77
    In: Adaptive Behavior, SAGE Publications, Vol. 20, No. 1 ( 2012-02), p. 67-77
    Abstract: Tetrapods with highly different morphologies occupy ecological niches of the canopy making them ideal for testing the evolution of structures and performances under similar environmental selective pressures. We compared leap up strategies between two distantly related amniote species, Anolis carolinensis (Squamate) and Microcebus murinus (Lemuriform) known to use leaping as their major locomotor mode for predator avoidance. Our comparative analysis and model show that leaping strategies (flat jump trajectory in horizontal leaps, use of forelimbs in landing) are similar in both species. The most striking divergence concerns only the temporal joint sequence accommodation to leaping height, although an identical proximal-to-distal sequence is observed when both taxa leap to maximal height. We suggest a convergent exaptation of leaping biomechanics among arboreal amniotes, which reflects similar biomechanical constraints and evolutionary pressures in these animals.
    Type of Medium: Online Resource
    ISSN: 1059-7123 , 1741-2633
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2012
    detail.hit.zdb_id: 2070012-X
    SSG: 12
    SSG: 5,2
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 3
    Online Resource
    Online Resource
    SAGE Publications ; 2013
    In:  International Journal of Advanced Robotic Systems Vol. 10, No. 5 ( 2013-05-01), p. 256-
    In: International Journal of Advanced Robotic Systems, SAGE Publications, Vol. 10, No. 5 ( 2013-05-01), p. 256-
    Abstract: Abstract This paper presents a bio-mimetic approach to design and simulate a tortoise-like virtual robot. This study takes a multidisciplinary approach: from in vivo and in vitro experiments on animals, data are collected and used to design, control and simulate a bio-mimetic virtual robot using MD ADAMS platform. From the in vitro experiments, the geometrical and inertial properties of body limbs are measured, and a model of tortoise kinematics is derived. From the in vivo experiments the contact forces between each limb and the ground are measured. The contributions of hind and forelimbs in the generation of propelling and braking forces are studied. The motion of the joints between limb segments are recorded and used to solve the inverse kinematics problem. A virtual model of a tortoise-like robot is built; it is a linkage of 15 rigid bodies articulated by 22 degrees of freedom. This model is referred to as TATOR II. It has the inertial and geometrical properties measured during the in vitro experiments. TATOR II motion is achieved using a Proportional-Derivative controller copying the joint angle trajectories calculated from the in vivo experiments.
    Type of Medium: Online Resource
    ISSN: 1729-8814 , 1729-8814
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2013
    detail.hit.zdb_id: 2202393-8
    Location Call Number Limitation Availability
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