苯酐生产过程的建模与两级微机自适应控制

采用机理方法和系统辨识方法建立了苯酐生产过程带有纯滞后的二阶结构的数学模型,并设计出具有PID结构的自校正前馈控制器。同时,提出了1种两级微机控制系统结构,完成了上位机监视、控制、管理的软件设计。结果表明,此系统稳定、可靠,提高了控制精度,达到了设计要求。

Mathematical Model-building and Two-stage Micro-computer Adaptive Control for Phthalic Anhydride Production Process

A two-order model for phthalic anhydride production process with time delay has been proposed with synthetic method of mechanism analysis and system identification, and a self-tuner with a feedforward PID structure has been designed. A two-stage micro- computer control system structure is proposed as a simple distributed- computer control system. The software in the higher level computer, used for the controlling, monitoring and managing of the total system is designed. The operation of the system shows that the system is reliable and steady. It's control precision meets the requirements of the design.