1、1234 56sthc%pKvKaKrMrb(0)M721(0.707)21rM212(0.707)rn22412244bn421 42cn8(1sinrM0.160.4(1)(11.8)rrMM22 1.5(1)2.5(1)(11.8)scrrrKtKMMM421 42arctg21%100%e3.57sc sntttg910()()(1)(0.01251)KG s H ss ss1.25rM 0j131100K 01K 2r1.25rM 022 1.5(1)2.5(1)(11.8)rrrKMMM11校正校正装置装置原有原有部分部分原有原有部分部分CR01()G s02()Gs()cG s校
2、正校正装置装置原有原有部分部分CR()cG s0()G s校正校正装置装置原有原有部分部分CR+()cG s0()G s校正校正装置装置原有原有部分部分原有原有部分部分CR+D01()G s02()Gs()cG s121314111()11csaTsaTG saTssT1221RRaR1212R RTCRR150m0o90o1aTm1T20/dB dec10lga20lga()LdB()11()1cjaTGjajT 1mTa11sin1maa011(1)2amm1a11a11(1)2a111()11csaTsaTG saTssT161bT1TU U1 1U U2 2R R1 1R R2 2C
3、C 212121()RbTRR CRR11()11csbTsbTG sbTssT171T1bT20/dB dec20lgb()LdB()0b11()1cjbTGjjT 11()11csbTsbTG sbTssT1819*101()()()()()miiniiKszG sG s H ssp*11()()miiniizKKp11()111cccsszaTsaTG saaaTsspsT11cczpaTT 20*101()()()()()()mciicnciiszszG s G saKspsp11*11111micinciiszszaKspsp111111()()(21)mnciiiicszszspk
4、sp1,2s1s21111*101111()nicimciispszaMspG sKsz1011(21)()ccszkG ssp011111()()()mniiiiG sszsp11*11111micinciiszszaKspsp111111()()(21)mnciiiicszszspksp221sinsinccszz1sin()sinccspp1111sin()sinccccccpszszaMzspspsincostgMczcp1s01csp1cszj*KMM可求出1011(21)()ccszkG ssp111*101111()nicimciispszaMspG sKsz23sinsincn
5、zsin()sin()cnparccos n1cTpccpazczcp1s01csp1cszj2425例例6-66-6 单位负反馈系统的开环传递函数为*0()(2)KG ss s21,2122 3nnsjj 5vK*210vKK11*22 322 3221.38610jjs sMK 11(21)(2)1801209030kss 111*101111()nicimciispszaMspG sKsz1011(21)()ccszkG ssp1s20j2 3j26sinsin300.962cos1.386cos30tgM43.88arccos6018018043.886076.12sinsin43.8
6、84 0.69342.85sinsin76.120.971cnzsin()sin(3043.88)4 0.9645.33sin()sin(76.1230)0.72cnp2.85cz 5.33cp 1 5.330.19T 5.33/2.851.87a 即求出1.87(2.85)()5.33cccszsG sasps27018.7(2.85)()()(2)(5.33)csG s G ss ss1s20j2 3j1s2.855.333sj02 3j42s1,222 3sj 33.33s 3s 1,2s28*101()()()()()miiniiKszG sG s H ssp11()111cccssz
7、bTsbTG sbbbTsspsT1s29czcp111()cccszG sbbsp1()0cG s*1110111()()()()miicniibKszG s G ssp1s*1110111()()()1()miicniibKszG s G ssp1/b1/b*K30()ccccszG sKspcK*KK1K1/b1/bK K0.01cp 1/czbT 1/cpT 3101.06()(1)(2)G ss ss1,20.330.58sj 1.06/20.53K 0.330.67/nrad s15vKs15K 1/0.53/50.1bK K15vKs321/0.01cpT 1/0.1czbT (0.1)()0.01cccccszKsG sKsps01.06(0.1)()()()(0.01)(1)(2)ccKsG sG s G ss sss 0.5 1,20.280.51sj 0.280.51(0.01)(1)(2)1.060.980.1csjs sssKs0.925cK 331,20.280.51sj 14.9vKs 。0.98(0.1)()(0.01)(1)(2)sG ss sss30.137s 42.31s
