1、 1 摘摘 要要 总体来讲，热工自动化系统的发展趋势是高速化、智能化、一体化和透明化。对故 障信息的研究和充分利用是发掘热工故障诊断与故障预测的基础，现场总线的应用，为 热工自动化系统的进一步发展提供了不断拓展的空间。 随着世界高科技的飞速发展和 我国机组容量的快速提高，电厂热工自动化技术不断地从相关学科中吸取最新成果而迅 速发展和完善，近几年更是日新月异，一方面作为机组主要控制系统的 DCS，已在控制 结构和控制范围上发生了巨大的变化；另一方面随着厂级监控和管理信息系统（SIS） 、 现场总线技术和基于现代控制理论的控制技术的应用，给热工自动化系统注入了新的活 力。 关键词：关键词：热工自动
2、化；DCS ；智能化；现状；发展 Abstract: In general, thermal development trend of the automation system is high-speed, intelligent, integrated and transparent. Research and take full advantage ofthe fault information to explore the thermal fault diagnosis and fault prediction based on filedbus applications, to pr
3、ovide for the further development of the thermalautomation systems continue to expand the space. With the rapid development ofhigh-tech the world and the rapid increase of the capacity of the units in China, thepower plant thermal automation technology is constantly drawn from related disciplines, t
4、he latest achievements and rapid development and improvement ofrecent years, is changing the one hand, as the main control unit system DCS hasoccurred in the control structure and the control of a huge change; the other hand,with the plant-level monitoring and management information systems (SIS), fieldbus technology and control technology based on modern control theory to the thermal theprocess automation system to inject new vitality. Key words: Thermal automation; the DCS; intelligent; the
