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Signal velocity in oscillator arrays

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  • Session C: Papers II
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Abstract

We investigate a system of coupled oscillators on the circle, which arises from a simple model for behavior of large numbers of autonomous vehicles where the acceleration of each vehicle depends on the relative positions and velocities between itself and a set of local neighbors. After describing necessary and sufficient conditions for asymptotic stability, we derive expressions for the phase velocity of propagation of disturbances in velocity through this system. We show that the high frequencies exhibit damping, which implies existence of well-defined signal velocities c + > 0 and c − < 0 such that low frequency disturbances travel through the flock as f +(x − c + t) in the direction of increasing agent numbers and f −(x − c − t) in the other.

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Author information

Authors and Affiliations

  1. Maseeh Department of Mathematics & Statistics, Portland State University, Portland, USA

    C.E. Cantos

  2. Maseeh Department of Mathematics & Statistics, Portland State University, Portland, USA

    J.J.P. Veerman

  3. CQCN, Dept. of Physics, University of Crete, Heraklion, Greece

    J.J.P. Veerman

  4. Applied Mathematics Department, Oregon Institute of Technology, Wilsonville, USA

    D.K. Hammond

Authors
  1. C.E. Cantos
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  2. J.J.P. Veerman
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  3. D.K. Hammond
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Corresponding authors

Correspondence to C.E. Cantos, J.J.P. Veerman or D.K. Hammond.

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Cantos, C., Veerman, J. & Hammond, D. Signal velocity in oscillator arrays. Eur. Phys. J. Spec. Top. 225, 1115–1126 (2016). https://doi.org/10.1140/epjst/e2016-02665-0

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  • DOI: https://doi.org/10.1140/epjst/e2016-02665-0

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