**Reference:**

A.N. Tarau,
B. De Schutter, and
J. Hellendoorn,
"DCV route control in baggage handling systems using a hierarchical
control architecture and mixed integer linear programming,"
*Proceedings of the 3rd International Conference on Information
Systems, Logistics and Supply Chain (ILS 2010)*, Casablanca,
Morocco, 12 pp., Apr. 2010.

**Abstract:**

Modern baggage handling systems transport the baggage at high speeds,
on a network of tracks, using destination coded vehicles (DCV). In
order to ensure the optimal routing of DCVs, in this paper we propose
a hierarchical control framework. In this framework switch controllers
provide position instructions for each switch in the network. The
switch controllers are then supervised by a so-called network
controller that mainly takes care of flows of DCVs. The routing
control problem for the network controller is a nonlinear, mixed
integer optimization problem, with high computational requirements,
which makes it intractable in practice. Therefore, we present an
alternative approach for reducing the complexity of the computations
by approximating the nonlinear optimization problem and rewriting it
as a mixed integer linear programming (MILP) problem. The advantage is
that for MILP problems solvers are available that allow us to
efficiently compute the global optimal solution. The solution of the
MILP problem is then used for computing optimal switch control
actions. For a benchmark case study we compare the hierarchical route
control with switch control approaches that have been developed
previously. Results indicate that the proposed hierarchical control
offers a balanced trade-off between optimality and computational
efficiency.

Corresponding technical report: pdf file (189 KB)

@inproceedings{TarDeS:10-001,

author={A.N. Tar{\u{a}}u and B. {D}e Schutter and J. Hellendoorn},

title={{DCV} route control in baggage handling systems using a hierarchical control architecture and mixed integer linear programming},

booktitle={Proceedings of the 3rd International Conference on Information Systems, Logistics and Supply Chain (ILS 2010)},

address={Casablanca, Morocco},

month=apr,

year={2010}

}

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