To respond to changes in the requirements of the information and control system, it is necessary to rebuild the system with new functions and/or systems with a different architecture. In this paper, we propose a method that enables on-site technicians to perform step-wise migration from a legacy system to a target system without having to stop the whole system and without requiring advance preparation or support from a system engineer who is an expert in system design and development. Accordingly, we aimed to develop a technology for the coexistence of and cooperation between with target and legacy systems and cooperation test between heterogeneous systems. We implemented this method and evaluated its effectiveness by applying it for rebuilding a production line management system.
In the age of systems, the innovation occurs through building a socio-technological system. Therefore, the need for scientific basis of building desirable systems and managing them effectively is increasing and urgent. At the same time, the increasing complexity and uncertainty of the surrounding environment create serious hurdles in designing, constructing and managing systems. This paper proposes a new category of research for building a big socio-technological system, in order to resolve the difficulty of building systems and embedding it in the society. This new type of research includes the whole process of planning based on the completely rational ground and genuine viewpoint of social expectations. It also includes the estimation process of the real performance of systems after it was built in the society to enable the system to evolve in pace with the societal changes. The new research concept proposed here will hopefully form an essential part of innovation.
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