抄録
The high-level environmental excellence should be achieved through a co-creational mechanism in which each stake holder not only optimizes its problem locally but also coordinate with each other for co-creation of a total optimal solution. This research discusses the co-creational environmental excellence with focusing on a socially exchangeable modular home fuel cell, and proposes its leading design methodology. This research introduces a viewpoint of "system of systems" which broadens the scope of a design problem from the optimization of an individual system to the optimization of system of systems by integrating local optimization, multi-agent simulation, scenario based planning, etc. The design problem is decomposed into three sub problems i.e., (i) design optimization of variety of system modules such as a fuel cell unit and a heat exchanger which meets variety of energy demand of a residence, (ii) design optimization of a service system for introducing and exchanging fuel cell modules, and (iii) design optimization of a bounty system for popularization of a home fuel cell. Some of alternative solutions of social systems are evaluated by a multi-agent simulation which predicts fluctuation of purchasing behavior for a home fuel cell in each home and then calculate cost and consumed energy. The result shows the possibility of co-creational environmental excellence in a socially exchangeable modular energy system, and the possibility of a system-of-systems approach for optimizing such an open-ended, complicated design problem toward the high-level environmental excellence.
