摘要
过程控制系统通常使用PID控制器来稳定系统性能。PID控制系统结构简单,倘若参数整定合适,系统将具有较强的鲁棒性。但是,在实际系统中,由于参数调节不合适,将会导致系统持续振荡。对于过程系统数据,应用小波变换后,可以确定精确的时滞时间,从而可以更好地进行参数整定。
Process control systems are usually implemented feedback control systems such as PID controller for stabilizing the systems. The principle of PID control system is simple and the function is robust if it were well tuned, however, it tends to fall in sustaining oscillation state because of bad tuning in actual plants. By applying Wavelet transform to process system data, precise delay time was identified and therefore the PID parameters could be better tuned.
出处
《计算机应用与软件》
CSCD
北大核心
2006年第8期77-78,102,共3页
Computer Applications and Software
关键词
过程控制系统
小波变换
时滞时间
过程仿真
PID参数整定
Process control system Wavelet transform Delay time Process simulation PID parameter tuning
