通过比较的方式研究了目前几种比较成熟的网络控制系统的特点,以期指出他们各自更加适合什么类型的企业和生产状况,并根据其中两种网络控制系统的特点设计出针对具体应用场合的实施方案。目的是为了在目前各种网络控制系统并存而又没有制定出统一标准的情况下为各种不同的企业选择适合自己的网络控制系统提供借鉴。 关键词:网络化控制系统(NCSs);CAN ; FF ; PROFIBUS ; LonWorks ;通信模型 Abstract: The characteristics of several recent mature networked control systems (NCSs) are introduced by comparison for the purpose of pointing out what kind of enterprises and producing situation they are suit to, and concrete programme in accordance with some application are designed on base of characteristics of two NCSs. The purpose is to provide advice to different enterprises to find out a kind of NCSs suitable for themselves under the background that several kinds of NCSs exist side by side and no standards are formulated nowadays. Keywords: NCSs; CAN; FF; PROFIBUS; LonWorks; reference model