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- W3097995488 endingPage "1392" @default.
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- W3097995488 abstract "Rigid bodies, plastic impact, persistent contact, Coulomb friction, and massless limbs are ubiquitous simplifications introduced to reduce the complexity of mechanics models despite the obvious physical inaccuracies that each incurs individually. In concert, it is well known that the interaction of such idealized approximations can lead to conflicting and even paradoxical results. As robotics modeling moves from the consideration of isolated behaviors to the analysis of tasks requiring their composition, a mathematically tractable framework for building models that combine these simple approximations yet achieve reliable results is overdue. In this paper we present a formal hybrid dynamical system model that introduces suitably restricted compositions of these familiar abstractions with the guarantee of consistency analogous to global existence and uniqueness in classical dynamical systems. The hybrid system developed here provides a discontinuous but self-consistent approximation to the continuous (though possibly very stiff and fast) dynamics of a physical robot undergoing intermittent impacts. The modeling choices sacrifice some quantitative numerical efficiencies while maintaining qualitatively correct and analytically tractable results with consistency guarantees promoting their use in formal reasoning about mechanism, feedback control, and behavior design in robots that make and break contact with their environment." @default.
- W3097995488 created "2020-11-23" @default.
- W3097995488 creator A5067936448 @default.
- W3097995488 creator A5081925724 @default.
- W3097995488 creator A5082032878 @default.
- W3097995488 date "2016-05-22" @default.
- W3097995488 modified "2023-10-02" @default.
- W3097995488 title "A hybrid systems model for simple manipulation and self-manipulation systems" @default.
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- W3097995488 doi "https://doi.org/10.1177/0278364916639380" @default.
- W3097995488 hasPublicationYear "2016" @default.
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