摘要
为了提高深炉的控温精度及控制炉内温度的均匀性,运用PID控制理论,研究开发了一种基于工控机及PLC的长轴氮化炉计算机温度控制系统。通过工业计算机、西门子PLC、A/D,D/A模块、智能仪表、电动执行机构等控制单元实现系统及各个子系统之间的自动化控制。试炉结果表明,该炉温控制系统能获得最佳的控制效果。
To increase the temperature control precision of deep furnace ancl the inner temperature uniformity, using PID control theory, a control system of long shaft nitrifying stoves based on industrial control computer and PLC was developed. Based on Siemens PLC, A/D and D/A modules, intelligent instrument, electric actuator and so on, the date coupling for multi-controlled variables was realized to form compact control system. The results presented in testing furnace indicate that this system can obtain the best of control performance.
出处
《机床与液压》
北大核心
2010年第7期46-48,64,共4页
Machine Tool & Hydraulics
基金
广东省科技计划(2008B010400011)
广州市科技计划(2008Z1-D371)资助
关键词
长轴
多变量控制系统
耦合
真空
氮化
Multivariable control system
PID
Coupling
Vacuum
Nitriding