自控原理习题.docx

该【自控原理习题 】是由【天随人愿的夏天】上传分享，beplayapp体育下载一共【12】页，该beplayapp体育下载可以免费在线阅读，需要了解更多关于【自控原理习题 】的内容，可以使用beplayapp体育下载的站内搜索功能，选择自己适合的beplayapp体育下载，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此beplayapp体育下载到您的设备，方便您编辑和打印。****题一Thedifferentialequationofasystemshownbelow,hetransferfunctionY(s)/R(s),Y(s)/N1(s),Y(s)/N2(s).x1(t)r(t)y(t)n1(t)x2(t)3x1(t)x3(t)x2(t)x5(t)2dx4(t)x(t)dt3x5(t)x4(t)n2(t)10x5(t)d2y(t)dy(t)(t)hasTp=and=2%.R(s)-K1 Y(s)s(s+1)K2s+1Figure2theinputsignalofthesystemist,r(t)1(t)themeasuredoutputresponsefory(t)().(1)hesystemtransferfunctionY(s) .R(s)Foraunitstepinputandaunitrampinput,calculatethesteady-(s))s(sUsingtheRouth-Hurwitzcriterion,findthevalueofthegainKwhentheclosed-=-(s1)G(s)1)2(s(1)Sketchtherootlocusoftheclosed-loopsystem.(2)herangeofKforstability.(3),(w)dB L(w)dB-20dB/dec-20dB/dec12-40dB/dec0w04001104200(a)(b)-40dB/decL(w)dBL(w)dB-20dB/dec-40dB/dec-40dB/dec10-20dB/ww-20dB/dec-40dB/dec-40dB/dec(c) (d)Aunityfeedbackcontrolsystemhasaplant10(s1)G(s)s(s1)(s1)30PlottheBodediagramofG(s).,(s)Ks(s 2K).(1)whenr(t)=tandn(t)=t,determineallsteady-stateerrorofthesystem.(2)whenr(t)=1(t)andn(t)=0,he ,Gc(s)=-stepresponseofaunityfeedbacksystemy(t) 1 (1)FindthetransferfunctionofthesystemY(s).R(s)(2)Findtheopen-looptransferfunctionG(s).unityfeedbacksystemhasaplantK(Ts1)G(s)H(s),(K0,T0)s(s10)(1)whenT=1,Sketchtherootlocusfor00;(4)WhenKI 0,Kt 0,findthesteady-stateerroressforinputr(t)=10+、 AunityfeedbacksystemhasaplantKG(s)4)2s(s(1)Sketchtherootlocusfor0

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