描述
PID控制器参数整定是控制系统设计核心内容。它是被控过程特性确定PID控制器比例系数、积分时间和微分时间大小。PID控制器参数整定方法很多,概括起来有两大类:一是理论计算整定法。它主依据系统数学模型,理论计算确定控制器参数。这种方法所到计算数据未必可以直接用,还必须工程实际进行调整和修改。二是工程整定方法,它主要依赖工程经验,直接控制系统试验中进行,且方法简单、易于掌握,工程实际中被广泛采用。PID控制器参数工程整定方法,主要有临界比例法、反应曲线法和衰减法。三种方法各有其特点,其共同点都是试验,然后工程经验公式对控制器参数进行整定。但采用哪一种方法所到控制器参数,都需要实际运行中进行最后调整与完善。现一般采用是临界比例法。利用该方法进行PID控制器参数整定步骤如下:
(1)首先预选择一个足够短采样周期让系统工作;
(2)仅加入比例控制环节,直到系统对输入阶跃响应出现临界振荡,记下这时比例放大系数和临界振荡周期;
(3)一定控制度下公式计算到PID控制器参数。
欧美品牌停产的,常用的“PLC”备品备件
我司产品应用于以下领域:
1,《发电厂DCS监控系统》
2,《智能平钢化炉系统制造》
3,《PLC可编程输送控制系统》
4,《DCS集散控制系统》
5,《智能型消防供水控制系统》
6,《化工厂药液恒流量计算机控制系统》
7,《电气控制系统》造纸,印染生产线,变电站综合自动化控制系列
本特利,英维思,伍德沃德,福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐,ACSO,力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。
C70445 MEI Marpet Mech-El 779 Manual Epoxy Die Bonder
C70444 Mech-El 709 Manual Eutectic Die Attach Bonder
C70443 Mech-El 703 Manual Eutectic Die Attach Bonder
A55095 Edwards Vacuum Dry Pump QDP80 Drystar
A55059 Edwards Vacuum Dry Pump QDP80
A55060 Edwards Vacuum Dry Pump QDP80
A66347 Edwards Vacuum Dry Pump QDP80
K69002 SierraTherm 4K14-96-5A Conveyor Furnace
K69277 Quad / de Haart MPC-20 Screen Printer Untested
C60415 Unitek Micropull IV Wire Bond Pull Tester 1000g
C61654 Unitek Micropull IV Wire Bond Pull Tester RS232
N72714 Perkin Elmer Aanalyst 100 Atomic Spectrometer
N72711 Seiko D-Tran XM3106B Robotic Arm
C51193 Agilent E4406A Transmitter Tester w/ 202 300 BAF
N72004 Eppendorf 5804 Multipurpose Centrifuge w/Rotor
C52517 Agilent E4406A Transmitter Tester w/ 202 300 BAH
N59001 Unitek Micropull IV Wire Bond Pull Tester
N70041 Rainin Varian Dynamax SD-200 UV-1 FC-1 HPLC Sys.
AE43755 RECIF SA Wafer Scribe Reader IDLW8 System
C69112 Spectra Multi-Quad LMI Gas Analyzer w/ Turbo Vac
L65211 DEK 248ce Semi-Automatic Screen Printer
A41046 ADE Technologies DiskMapper Model M2 System
N63492 Fluke Networks Optiview Workgroup Analyzer
N67906 Tektronix RTPA2A TekConnect Probe Adapter NIB
A66346 Piller Apostar AS50 UPS System 50 kVA, 480V 85A
N53546 Perkin Elmer 300 Micralign Projec. Mask Aligner
C69602 Logitech 2125 Polishing / Bonding Jig
A58951 K&S 6491 Semi-Automatic Die Bonder
A71987 Varian Prostar Autosampler 420, 210, 325, 701
C54973 Agilent 16950A 600MHz State/4GHz Timing/4Meg Mem
C54587 Agilent 16950A 600MHz State/4GHz Timing 4Meg Mem
G53498 Two Alcatel IPUP A100L Dry Vacuum Pumps
N71355 Isel Robotik Wafer Handling Robot 10-21-0015
C72658 FST Fine Semitech Dual Recirculating Chiller
N71514 Leitz Wetzlar Trinocular Microscope w/Stage
N72005 Eurotherm TU1451 SCR Power Controller
C51174 HP E4406A Transmitter Tester 7MHz-4GHz w/Opt BAH
N59032 Signatone S-1007S Manual Probe Station S1007S
N63395 K&S 1470-4 Automatic Wedge Bonder
C51195 HP E4406A VSA Transmitter Tester w/BAH, 204, UK6
C51194 Agilent E4406A Transmitter Tester w/ Opt 202 BAH
G72332 Agilent G1314B VWD Variable Wavelength Detector
G72403 Heidolph Laborota 4001 & Heizbad HB Digital
G71854 NSK XY-HRS120-RH2SN?F Linear Stage w/Ballscrew
G72622 Brinkman Metrohm 784 KFP Titrino & 703 Ti Stand
K72692 Quester Tech. UFT10-02 Liquid Source Cabinet LSC
K72693 Cleansorb CS096DCD Dry Bed Absorber Cabinet
C55171 Agilent 16950A 600MHz State/4GHz Timing/1Meg Mem
A69921 (2) Balanced Power II BPII25 UPS System 25 kVa
N72803 (2) Christie Electrohome Roadie S12 Projectors
N57984 ABI Prism 6700 Auto Nucleic Acid Workstation
C70346 Veeco Dektek SXM Atomic Force Microscope Control
L67921 Hughes Wire Bonder System WD-8700D1
A69920 Leybold Coolpak 6200 Compressor w/ Cold Head
A63423 Bemco Inc. FC-77 Cart Environmental Pump System
A62562 Varian VE10 Vacuum Evaporator, Edwards E2M5
N58955 Signatone S-250-5 Wafer Prober w/ B&L Microzoom
N58956 3S 8013 Pick & Place Inspection Wafer Station
N69000 Instrumentation IL ACL 8000 Coagulation Analyzer
A50159 Tenney Six Engineering T6S Chamber 21*22*23H
N56306 Edwards EH500A Mechanical Booster Pump D90SD
Y70234 Crest Ultrasonic Cleaner & Ultrasonic Generator