摘要
文中设计的基于CAN-bus的分布式智能电阻炉温控系统,采用专用芯片AD595和AD538,实现了对炉温信号精确测量;采用改进的积分分离PID控制算法,通过输出的PWM信号控制固态继电器的导通时间,实现了对电阻炉炉温的智能化控制,并通过CAN-bus与上位管理机进行通信,解决了传统模拟分离式温控仪表的问题。结果表明:系统具有超调小、控制精度高、抗干扰性强、运行稳定等优点,具有较好的应用前景。
Based on CAN-bus,the resistance furnace temperature intelligent control system applies AD595 and AD538 to realize high-precision temperature measuring,and achieves the intelligent control under integral separation PID control algorithm,for output PWM signal controlling on-off time of SSR and input power of the resistance furnace regulated.It is an effective solution to the problem of traditional analog discrete control instruments.The experiment results show that：The system has features of higher precision,anti-jamming,steady and reliable running,and value is obtained.
出处
《仪表技术与传感器》
CSCD
北大核心
2010年第4期59-60,78,共3页
Instrument Technique and Sensor
关键词
电阻炉
冷端补偿
积分分离PID算法
CAN总线
resistance furnace
cold junction compensation
Integral Separation PID Control Algorithm
CAN-bus
