SA168【SA168】SA168

SA168
SA168
SA168



PID控制时什么时候仅用PI控制，什么时候用到PID控制？
PID的意思是：P-比例控制，I-积分控制，D-微分控制，所以，PI控制是只有比例和积分控制，PID是比例、积分和微分控制。
PI和PID的区别在于PID加入了微分缓解，可提前放大偏差值，PI适应大多数场合，PID适应滞后严重的场合。但大多数情况可通过调节P,I,D的参数达到同样的目的。比如一个调节阀开关动作时间60S，即可以用PI，也可以用PID，效果都还可以，关键还是看你参数和工艺。

Stancor SGD-100 Step Down Transformer 115V 1000VA
Kiowa Corporation Profiler II Programmable Motion Controller
Sierra 803A Wideband Transmission Test Set
Ortec 456H High Voltage Power Supply
ALLEN BRADLEY SLC 500 10 Slot Chassis 1746-A4 Rack With 1746-P1
Elgar Power Supply 3006B Ultra Precision AC Line Conditioner UPLC
Solartron Schlumberger 7081 Precision Voltmeter Digital Multimeter
Lot of 4 ASA Balancers, 0.5 - 1.2 Kg, 1 - 2.6 Lbs
Baldor 10 HP Electric Motor 310-847-450, 1750 RPM
Xantrex XFR 40-70 Programmable DC Power Supply, 0-40V/0-70A, 2.8kW
Power Ten 3400D-10200 Variable DC Power Supply 0-10V/0-200A
Bruel Kjaer 1022 Beat Frequency Oscillator w/ Bruel Kjaer 2305A
National Instruments NI PXI-6031E 100kS/s 64-Input 16-Bit
Intelco 160 A Singlemode Laser Loss Set 160A
Anritsu MU250000A OTDR with MW9076C, MW9076C-MU250000A Option 002
Omron G3PA-260B-VD Single Phase Solid State Relay SSR
Tylan 6066-115 Digital Panel Meter
Fluke 2280A-161 A/D Converter
UND-Lab CF135 Temperature sensitive Thermostat
Lucas Egloff AG TFM 060-06-01-1 Board 80100
Catu CC365 Electronic CC365-12/25-K, 12-25 kV, 60 Hz
Astec Helios 200/48 Rectifier NT5C05DD
Parker Compumotor Gemini Servo GV-L3E with  402400XRMSD3H12L11
3 Weston 633 Clamp Meters Type A-3, SVA-1, A-1
Salzgitter Elektronix High Voltage Surge System 0718A
AWA F242A Distortion and Noise Meter with AM Detector 1M70555
Bird Electronic Termaline Coaxial Resistor 8141, 200ohms, 250W
5 SMC VX3334L Direct Operated 3-Port Solenoid Valves VX33 Series
Lot of 9 Takasago Electric MTV-21V-M6FD Solenoid Valves
Megger 40022 Megohmmeter Megohm 500V Model 40022
TTC Fireberd 2000 Data Error Analyzer BERT  Adaptor Plug-Ins