描述
整定PID参数时，一定要力求工况稳定，尤其是衰减曲线法整定PID，否则工艺中的其他干扰进入系统，就不能得到正确的4:1~10:1衰减比例度和衰减周期，就不能求得最佳PID参数。
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM DIGITAL
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM w/DIGITAL
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM w/DIGITAL
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM DIGITAL
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM w/DIGITAL
DENTAL MOBILE HIGH FREQUENCY X-RAY MACHINE SYSTEM
