In distributed component orient simulation environment,the hardware-in-loop virtual DPU technology was used to simulate the DCS of unit,and simulation model was realized by graphic modeling technique.

• 在分布式面向对象的仿真支撑环境中,对分散控制系统(DCS)仿真采用激励式虚拟DPU技术,对仿真对象采用图形化建模技术。