基于AMESim的增压回路仿真分析

AMESim,,璟,,,(昆明理工大学机电工程学院,云南昆明650093)SimulationAnalysisofBoosterCircuitBasedonAMESimYUANYubi,YUANRuibo,LUOJing,WUSongtao,ZHUGengyin,ZhaoDexin(FacultyofMechanicalandElectricalEngineering,KunmingUniversityofScienceandTechnology,Kunming650093,China):介绍了增压回路的基本原理针对传统液压回路仿真方法中存在的建模烦琐参数调节复杂等缺点,以采用双作用增压器的增压回路为例,利用AMESim的元件设计库构建了增压器和液控单向阀的模型;建立了增压回路的仿真模型,并对增压回路的动态性能进行了仿真分析,对增压回路的研究和设计改进有参考作用:AMESim;;;;:TH137.7:A:10012257(2011)03004703:20101104Abstract:Thispaperintroducesthebasicprinciplesofpressurizedcircuit;traditionalhydrauliccircuitsimulationmodelingoftheexistingcumbersome,parameteradjustmentandcomplexdefects;toadoptthedualroleofturbochargerboostcircuit,forexample,thecomponentdesignusingAMESimlibraryconstructedsuperchargerandhydrauliccontrolcheckvalvemodel,asimulationmodeloftheboostercircuit,andtheboostercircuitwassimulateddynamicperformanceanalysis,researchanddesignofboostercircuithasapositiveeffectimprovement.Keywords:AMESim;boostercircuit;pressurizedcylinder;dynamicperformance;simulation0引言,,,,,,,,,,,,AMESim,,[1-2]1增压回路的结构原理1,,147!2011(3)AMESim,,,,,,,12,342,P12;P2;A1;A2,,;,,,:P1A1=P2A2(1)(1):P2=P1A1A2=P1K(2)K,K=A1A2A1A2,K,,K,2基于AMESim的增压系统模型AMESim,,,,[3]1,AMESimHCD34,3,45,(submodelmode),AMESim(premiersubmodel)(parametersmode),1[4]1(mL/r)60(r/min)1480(mm)160(mm)800.014(mm)200(mm)220(mm)100(N/mm)500(mm)20(mm)648!2011(3)AMESim(runmode),10s,0.1,3仿真结果分析3.1,,,,6,1,2,0.8s130∀105Pa,490∀105Pa,3.76,4,7,180mm,200mm,;,,8981.1s8∀10-6L/min,94s4.1∀10-6L/min,89,,,,,,3.210,1s,,,,,,1.5s11,,1.5s300mm,49!2011(3),2.0∀107N4结束语AMESimAMESim,,,,,,:[1],,,.[J].,2009,(6):206-208.[2],,.AMESim[J].,2005,(3):28-31.[3],,.AMESim[J].,2010,(2):30-32.[4],.AMESim[M].:,2006.:(1985-),,,,;(1968-),,,,PWM珣,,(昆明理工大学机电工程学院,云南昆明650093)DesignofPWMDirectCurrentSpeedRegulatingControllingSystemBasedontheMCUWANGXun,DUMaohua,LUPeijin(FacultyofMechanicalandElectricalEngineering,KunmingUniversityofScienceandTechnology,Kunming650093,China):为了在电机调速时,得到比采用传统的晶闸管控制更可靠的电机调速性能,并降低成本和缩短开发周期,设计了以80C51单片机为控制芯片的双闭环调速系统,包括系统的硬件电路以及软件设计两方面,实现键盘接入电机转速显示电流采样电机驱动脉宽调制信号生成转速模数转换及电机转速检测的功能运用比例积分的调节方法,理论上可实现对转速自动而可靠的调节:;;;;:TP273;TM301.2:A:10012257(2011)03005003:20101109Abstract:Inordertomakethemotorspeedregulatingpropertyofthemotormorereliablethanthatcontrolledbythetraditionalthyristorsystemandtoreducethecostandthetimeofdevelopingthemotorcontrollingsystem,adoubleclosedloopspeedregulatingsystem,usingthe80C51microcontrollerunit(MCU)asthecontrolchip,isdesigned.BoththehardwareandsoftwareoftheMCUcontrollingsystemaredesignedtorealizesuchallfunctionsastheaccesstokeyboard,thedisplayofthespeedofmotor,themeasureofthecurrentofthemotor,thedriveofthemotor,thegenerationofthewaveformofPWM,theconversionofanaloguesignalstodigitalonesandthemeasurementofthespeed.Thiscontrollingsystem,usingthemethodofproportionalintegral(PI)regulation,theoreticallycanreachthegoalofspeedregulationautomaticallyandreliably.Keywords:MCU;doubleclosedloop;hardware;software;PI0引言,50!2011(3)