Journal
AUTONOMOUS ROBOTS
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1007/s10514-023-10121-9
Keywords
Swarm robotics; Foraging; ODE model; Diffusion
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We contribute to swarm engineering by designing an ODE model that captures the behavioral dynamics of Central Place Foraging Problems in various application areas. Our simulation results demonstrate that a hybrid ODE modeling approach can be as effective as a purely post-hoc approach in computing parameters, with less tuning required. This facilitates the design of systems with predictable behavior. Furthermore, the resulting model parameters are more interpretable as they can be traced back to problem features. Lastly, we conduct real-robot experiments to gain further insights from an engineering standpoint into the limitations of our model.
There is a large class of real-world problems, such as warehouse transport, at different scales, swarm densities, etc., that can be characterized as Central Place Foraging Problems (CPFPs). We contribute to swarm engineering by designing an Ordinary Differential Equation (ODE) model that strives to capture the underlying behavioral dynamics of the CPFP in these application areas. Our simulation results show that a hybrid ODE modeling approach combining analytic parameter calculations and post-hoc (i.e., after running experiments) parameter fitting can be just as effective as a purely post-hoc approach to computing parameters via simulations, while requiring less tuning and iterative refinement. This makes it easier to design systems with provable bounds on behavior. Additionally, the resulting model parameters are more understandable because their values can be traced back to problem features, such as system size, robot control algorithm, etc. Finally, we perform real-robot experiments to further understand the limits of our model from an engineering standpoint.
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