(电气)自动控制原理26(系统校正)(含第六章作业2)

Email:[e-mail](())ccccK1K1Bode)(01ωjGHK0cω0pmφcω0pmφφφωφ∆+−=o180)(0pmccω0cωcωpmφφωφωφ′′∆+=)()(0ccφφωφ′′∆+−=o180)(0pmcφ′′∆φ∆φφωφ∆+−=o180)(0pmc)(0cωφ)(cωφcω0pmφo5φφωφ∆++−=pmco180)(0cω)(0cωφcω0cω0cωcω0pmφo5φφωφ∆++−=pmco180)(0cω10cωo5101czωτ==10czω=pωαlg20−cωo5≤0)(lg20=cjGHωααωlg20)(lg2001=cjGHKα)()()()()()()(1010110ωωωωωωωjGjGHKjGHjGKjGHjGjGHccc===)(lg20)(lg20)(lg20101ccccjGjGHKjGHωωω+=10czω=pωαlg20−cω0)(lg20=cjGHωααωlg20)(lg2001=cjGHKα)()()()()()()(1010110ωωωωωωωjGjGHKjGHjGKjGHjGjGHccc===)(lg20)(lg20)(lg20101ccccjGjGHKjGHωωω+=0lg20)(lg2001=−=αωcjGHKpαατzp==1Bode6.26.2KKvv5s5s--11pmpm4040GMGM10dB10dB)2)(1(05.1++sssR(s)Y(s)-Gc(s)2(1)(1)KK11)2)(1(05.1++sssR(s)Y(s)-Gc(s))2)(1(05.1)(0++=ssssG5525.0)2)(1(05.1lim)(lim0000=++==→→ssssGKssvKKvv5s5s--11KKvv5s5s--11,,KK11)2)(1(05.1)(101++=sssKsGK5)2)(1(05.1lim)(lim10010≥++==→→ssKsGsKKssv52.91≥K52.91=K(2)(2),,,,GMGM00)(01ωjGHK0cω0pmφ0gω)21)(1(5)2)(1(10)()(0101ωωωωωωωωjjjjjjjGKjGHK++=++==KK=5=5dBK14lg20=::--20dB/dec20dB/decωj111=1rad/s=1rad/s::--20dB/dec(20dB/dec(1rad/s)1rad/s)ωj+1122=2rad/s=2rad/s::--20dB/dec(20dB/dec(2rad/s)2rad/s)211ωj+1rad/sec(1rad/sec,14dB)(1rad/sec,14dB)--20dB/dec20dB/dec1rad/sec2rad/sec--40dB/dec40dB/dec2tantan90)(11ωωωφ−−−−−=o2rad/sec--60dB/dec60dB/dec)21)(1(5)(01ωωωωjjjjGHK++=//radrad/sec/sec00.010.10.5123510(()/)/-90-91-99-198-130-161-217-237-253-270sec//radω010−210−110−010314decdB/40−decdB/20−dB1020290−o/)(ωφ130−210−30250−o22−2.20cωdecdB/60−170−270−180−4.10gω8202−)(01ωjGKsec/2.20radc=ωo220−=pmφsec/4.10radg=ωdBGM80−=o40≥pmφdBGM10≥(3)(3)cωφφωφ∆+−=o180)(0pmcoooo135518040−=+−=sec//radω010−210−110−010314decdB/40−decdB/20−dB1020290−o/)(ωφ130−210−30250−2.2o22−0cωdecdB/60−170−270−180−4.12.05.06.0135−54.00gωcω(3)(3)cωφφωφ∆++−=pmco180)(0oooo135540180−=++−=sec/54.0radc=ω(4)(4)sec/054.0101radzc===ωτ(5)(5)ααωlg20)(lg2001=cjGHKsec//radω010−210−110−010314decdB/40−decdB/20−dB1020290−o/)(ωφ130−210−30250−2.2o22−0cωdecdB/60−170−270−180−4.1dB8−2.05.06.0135−54.00gωcω(5)(5)ααωlg20)(lg2001=cjGHKdBjGHKc20)(lg20lg2001≈=ωα10=α(6)(6)psec/0054.010054.01radzp====αατ0054.01054.0111)(1ωωατωτωωjjjjjGc++=++=::0054.01)054.01(52.9)()(11ωωωωjjjGKjGcc++==(7)(7))()()()(0ωωωωjGjGjGjGHc⋅==)21)(1)(0054.01()054.01(5ωωωωωjjjjj++++=sec//radω110−0103decdB/40−decdB/20−22.2decdB/60−010−210−14dB102090−o/)(ωφ130−210−30250−170−270−180−4.12.05.06.0135−54.0cω003.0005.0decdB/40−decdB/20−decdB/40−decdB/60−140−o400cωo22−054.0dB11−)(ωjGsec/54.0radc=ωo40≈pmφsec/4.1radg=ωdBGM11=0054.01)054.01(52.9)(sssGc++=(2)1.1.)15.0(1)(0+=sssGo45≥pmφ110−=sKv2.MatlabMatlab6.26.26.26.222KKvv5s5s--11pmpm4040GMGM10dB10dB)2)(1(05.1++sssR(s)Y(s)-Gc(s)2