Gutachten zu Forschung, Innovation und technologischer Leistungsfähigkeit 2009 (2009)
Allmendinger, J., Grupp, H., Harhoff, D., Llerena, P., Luther, J., ...
Research, innovation and technological performance in Germany. Report 2009 (2009)
Allmendinger, J., Grupp, H., Harhoff, D., Llerena, P., Luther, J., ...
Water pipes renewal using multi-objective optimization approach (2008)
Nafi, A., Werey, C., Llerena, P.
Water utilities ensure delivery of water to consumers through pressured network consists of several hydraulic components: tanks, reservoirs, pipes, valves and pumps. According to technical and...
Nafi, A., Werey, C., Llerena, P.
/ L'approche développée cherche à proposer un outil d'aide à la décision pour le gestionnaire du service de l'eau, permettant d'assurer une gestion durable du réseau d'alimentation en eau...
Scheduling water networks renewal using hybrid optimization model (2006)
Nafi, A., Werey, C., Llerena, P.
Through a bibliography review of works treating of renewal and rehabilitation of water distribution network, we identified a set of variables and factors that should be taken into account along the...
Scheduling of water distribution systems using A multiobjective approach (2006)
Nafi, A., Werey, C., Llerena, P.
Water utilities ensure the delivery of water to population with the help of networks and plants, which allow transport and treatment of water from the source to the end users. We focus on the...
Specific Model for rehabilitation scheduling of water distribution systems (2006)
Nafi, A., Werey, C., Llerena, P.
The aim of our work is to propose a decision tool trough an optimization model considering damages prediction on pipes taking into account technical, economical and financial constraints. The model...
Option valuation for energy issues (2004)
Ostertag, K., Llerena, P., Richard, A.
Many decision processes, especially energy choices linked to technological alternatives, have to simultaneously face uncertainty and irreversibility of some kind. The purpose of this book is to...