描述
在整定参数无把握的情况下,一般都不宜把初始试验参数放得太灵敏,例如比例度不宜放得太小,以免系统出现振荡。一般作法是在手动控制时,阀门需要开得较大者,P值(比例度)可选得小一些;阀门不需要开得较大者,P值(比例度)可逃得大一些。
LORAD Mammography M-IIE M-II-E X-RAY System Unit Mammo
Philips Medical Systems X-Ray Tube Housing Assembly
InnoVet Select Veterinary Radiographic X-Ray System
Siemens Stabilipan Orthovoltage Therapy X-Ray System
Used ScanRay Corp Torrex 150D X-Ray Inspection System
Varian Optical Tracking System X-Ray Digital Imaging
Portable Dental Digital Trophy X-Ray System