The computer simulation technology is widely used in the process of designing the aero-engine FADEC system. This paper proposes a digital control system design process of one turboprop engine,which is based on the computer simulation technology and the simulation platform is developed by using the Matlab/simulink software.lt started from the analyzing of the model's responses, then designs the control rules and did the simulation validation. In addition, it improves the control rules and designs the feed-forward compensation based on the result of simulation. Finally, the full digital simulation environment of aero-engine is constructed, and did the simulation of the control rules. At last, the feasibility is verified through the digital simulation, and it provides a guidance of the FADEC design.%在航空发动机数控系统设计过程中,计算机仿真技术得到了广泛应用.基于计算机仿真技术,利用Matlab/simulink软件开发数字仿真平台,在某型涡桨航空发动机数控系统方案设计过程中,进行了模型的响应分析,设计了控制规律并进行仿真验证；根据仿真结果,改进设计了前馈补偿环节,并进行了仿真验证；搭建了该型发动机的全数字仿真环境,对控制规律进行仿真验证.通过数字仿真验证了控制规律的可行性,指导了数控系统方案设计.
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