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Particle swarm-based olfactory guided search
Marques, Lino; Nunes, Urbano; Almeida, A. deAbstract This article presents a new algorithm for searching odour sources across large search spaces with groups of mobile robots. The proposed algorithm is inspired in the particle swarm optimization (PSO) method. In this method, the search space is sampled by dynamic particles that use their knowledge about the previous sampled space and share this knowledge with other neighbour searching particles allowing...
Olfactory coordinated area coverage
Larionova, Svetlana; Almeida, Nuno; Marques, Lino; Almeida, A. deAbstract This paper proposes an olfaction based methodology to automatically cover an unknown area enabling the decoupled cooperation of a group of floor cleaning mobile robots. This method is based on the utilisation of low cost chemical sensors in cleaning mobile robots, in order to differentiate clean from dirty areas. The experimental results show that the use of olfactory capabilities allows to efficientl...
Total costs and benefits of biomass in selected regions of the European Union
Groscurth, H. -M.; Almeida, A. de; Bauen, A.; Costa, F. B.; Ericson, S. -O.; Giegrich, J.; Grabczewski, N. von; Hall, D. O.; Hohmeyer, O.; Jörgensen, K.The paper describes results of the BioCosts project in which a comprehensive analysis of the economic and environmental performance of the energy use of biomass was carried out for selected existing facilities throughout the European Union. It is demonstrated that the appropriately organized use of biofuels has significant environmental advantages compared to the use of fossil fuels. Mitigation of global warmin...
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