【摘要】 介绍了基于Lonworks现场总线技术和自整定PID控制设计所实现的精馏塔控制系统。逐一介绍控制系统总体结构、现场总线控制节点硬件和软件设计及高级控制和优化层的设计。还进行了控制系统特点分析。更多还原

【Abstract】 The control system for distillation column is introduced. The system inplemented by Lonworks fieldbus technology and self tuning PID control. The system architecture, the hardware of fieldbus control node, and the design of software, advanced control and optimization layer are introduced one by one. The features of the control system are also analyzed.更多还原