수처리 시스템의 가상 시뮬레이션을 위한 테스트베드 구현에 관한 연구

Abstract

Recently, a new concept of cyber physical security systems, which deals with the interaction between physical systems and cyber systems, has been introduced. Cyber systems, such as data processing systems and communication networks, monitor and control the processes of physical system. Physical systems, such as sensors and controllers, can perform actual physical actions and functions by the cyber system based on the control systems. Because of physical systems based on cyber systems, the problems of cyber systems have a influence on physical systems. Therefore in this study, a simulation environment that can pre-process various possible scenarios including weaknesses in cyber systems and the errors that can occur as a result etc. is attempted to be designed and implemented, it is challenging to implement the simulation environment of the physical system such that various virtual situations can be simulated in order to prevent the physical errors occurred from the security vulnerabilities of the cyber systems. By implementing a simulation environment, it is possible to predict the performance deterioration caused by error signals. In this study, a simulation environment for the water treatment system, was implemented. The many application areas of Festo system, a test system for the water processing was selected, and simulation environment was developed from analysis of the control processes of the test system.