核主泵磁流变半主动隔振及试验验证

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关键词：核主泵；磁流变阻尼器；半主动隔振；天棚控制 中图分类号：U469.72；U463.33 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202508024

Magnetorheological semi-active vibration isolation and experimental verification for reactor coolant pump

ZHANG Jiaming1²， ZOU Donglin1²，LIAO Guojiang³，YU Yongfeng4， ZHANG Zhiyi1²，RAO Zhushi1²2 （1.InstituteofVibration，ShockandNoise，Shanghai JiaoTongUniversity，Shanghai2O0240，China；2.StateKeyLaboratoryof MechanicalSystemand Vibration，Shanghai Jiao Tong University，Shanghai200240，China；3.ScienceandTechnologyon Reactor System Design Technology Laboratory，Nuclear Power Institute ofChina，Chengdu 610213，China; 4.HanjiangNational Laboratory，Wuhan 43oo61，China）

Abstract;Toovercomethelimitedbroadbandvibrationisolatiooftereactorcoolantpump（RCP）undervariableoperatigconditios，this paperproposesasemi-activecontrolstrategyusing magnetorheological dampers （MRD）.First，acoupledsystemdynamicsmodel was establishedconsideringthelumped-maspropertiesofCPandthenonlinearhystereticbhaviorofMD.Then，asem-activecotrollaw basedontheskyhook dampingprinciplewassynthesizedtogenerate thecommandcurrentforMRD，therebyenablingreal-timedamping adaptationtoexcitationcharacteristics.Furthermore，thispapercomparesthevibrationisolatioperformanceoffourcases withinthe 10～60Hz （204 rangevianumicalsimulation：ucotroled，traditioalpasveontrol，pasiveotrol，andDkyoksm-activetrol Simulatiosdmostratetatelatietoaditioalpaietrolesokstratedesceleratiospoeatoceby 22.34dB，decsesloariictrasmissbilitintealy.andloeotansuartrasmsibilitytegraldB. Subsequently，anRCP-MDexperientalbench wasonstructedtoexperimentallvaidatetheontrolstrategyExperimentalvalidation confirmed that the averagerelative error between measured and simulated metrics is 8.45% ，confirming the effectiveness of the MRD skyhook strategforsuppressngRCPbroadbandvibrationundervariableoperatingconditiosanddemonstratingcloseagreementbetweensiulation andexperiment.ThefindingsdemonstratethattheMRDskyhoksemi-activestrategydynamicalladaptstoRCPvariableoperating conditions，therebyoferinganexperimentallyvalidatedsolutionforadaptivevibrationsuppressioninRCPsundervaableoerations.

Keywords：reactor coolant pump; magnetorheological damper;semi-active vibration isolation; skyhook contr

核主泵（reactorcoolant pump，RCP）作为反应堆冷却剂系统的核心动力源，其运行可靠性直接关系核动力装置的放射性安全与运行效率。（剩余11776字）