This article discusses the scientifically and industrially important problem of automating the process of unloading goods from standard shipping containers. We outline some of the challenges barring further adoption of robotic solutions to this problem: ranging from handling a vast variety of shapes, sizes, weights, appearance and packing arrangement of the goods, through hard demands on unloading speed and reliability, to ensuring fragile goods are not damaged. We propose a modular and reconfigurable software framework in an attempt at efficiently addressing some of these challenges. We outline the general framework design, as well as the basic functionality of the core modules developed and present two instantiations of the software system on two different fully integrated demonstrators. While one is coping with an industrial scenario, namely the automated unloading of coffee sacks, with an already economically interesting performance, the other scenario is used to demonstrate the capabilities of our scientific and technological developments in the context of medium-to long-term prospects of automation in logistics. We performed evaluations which allow us to summarize several important lessons learned and to identify future directions of research on autonomous robots for handling of goods in logistics applications.
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