描述
PID参数整定并不是万能的，因为系统的控制质量与对象特性、干扰形式和大小、控制方案等都有关系，所以当控制方案选择不当时，PID参数怎样调整，也不能达到预期的控制效果。
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM w/DIGITAL
AMD Athlon II X2 (w/Blu-ray Rom Drive) Computer system
Dental X-Ray Gendex GX 900 Intra Oral System Parts
AMD Athlon II X2 Desktop System w/BLUE-RAY!
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM w/DIGITAL
AMD Athlon II X2 2.8Ghz Desktop System w/BLUE-RAY!
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
