Research on CPS spatio-temporal event model based on the state

Cyber-Physical System (CPS) reflects the dynamic changes of physical environment through the event, closely interacts with the physical environment. CPS often involves a wide spectrum of events, and CPS events reflect the environment changes in a time-sensitive and/or spatial-sensitive manner. The event is an effective way of mapping physical environment to cyber domain. We analyzed the concept and features of CPS events, proposed the spatio-temporal event model framework based on the physical states. We proposed the compositive operation between the different types of events, and then the environment state can be distilled from the combined event. Finally, a smart house is developed based on the event model, results show that the event model can reflect the spatio-temporal features of CPS and the dynamic changes of environment, is propitious to the decision making of CPS.