This report proposes a new concept of an agent-based Real-Virtual Fusion Manufacturing System (RVF-MS), with the aim of dealing with both external and internal fluctuations adaptively and effectively by realizing a fusion between a real production shop floor and a virtual manufacturing system model. This paper presents a proposal of a social-contract-based production scheduling method in RVF-MS, which generates a virtual system with partial components of the system at the operational phase of

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... oduction. The influence of the generated range of virtual systems on the rescheduling results is confirmed through computational experiments on flexible flow shop problems.