本文设计了采用新一代ＰＣ总线工控机的锅炉微机控制系统，介绍了系统功能、硬件构成、软件结构及ＰＩＤ参数自整定、模糊控制、燃烧优化控制等高级控制算法。该系统经在多个现场使用，证明性能稳定可靠，可使锅炉效率明显提高，系统整体性能达到国内先进水平。 In this paper, the boiler microcomputer control system with a new generation of PC-bus industrial computer is designed. The advanced control algorithms such as system function, hardware configuration, software structure and PID parameter self-tuning, fuzzy control and combustion optimization control are introduced. The system is used in more than one field to prove that the performance is stable and reliable, the efficiency of the boiler can be obviously improved, and the overall system performance has reached the advanced domestic level.