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Sharing the Total Cost of Ownership of Electric Vehicles: A Study on the Application of Game Theory
Copyright © 2013 by Doufene, Chal[[#233]] Congora, Krob. Published and used by INCOSE with permission
Abstract. In this paper, we present the contribution of game theory to the search of architectural equilibrium in the context of complex systems engineering. Our design approach is based on the use of an architectural design framework and of optimization models, illustrated by a practical example in which the system of interest is a commercial electric vehicle in its ecosystem. We rely on systems engineering in order to clearly understand the system we want to study and its environment, during the entire life cycle of the system. For interdependent decisions between stakeholders in the lifecycle of the system, the concept of equilibrium is important. Architectural equilibrium of the system guarantees its integration in its environment, the stability of the environment and the satisfaction of all stakeholders. This is modeled as a game in the sense of game theory leading to a Nash equilibrium, which allows anticipating for changes in an uncertain environment (departure of a stakeholder, arrival of a new actor, changes in requirements or constraints and so on).