0第二章習(xí)題答案

1、 10%I ;ttrst0.25s ?r0.69 10%0.696.9KT K t0.1T 60.10.6sstr16.3% tr 101 s1K W obj1sK(s)IWispiK KiW(s)W (sW (s)取 K K K1ssi10.5K 5K KT K 50T sK0.01i1W(s) ss10KW (s)obj1 s Ts s s( (0.02 30% K s30% W 1pipi1K s10W W pi objW1pi(0.02ss1h18 7 204.1 K 12h T2490.0222210K /10 2.86K ;K Kpipi11(0.25ss (s)obj 調(diào)節(jié)對(duì)象的

2、傳遞函數(shù)為W K sW (s)1pispi1K s18W(s)W (sW (s)0.25 K K 18/1令pi (0.25 1sss1piobj1Ks(0.005s s(0.005sW(s) KT 0.5t T 0.03sK1000.25K 1.3911818pi K sW (s)pi1spi1K( s 1) KW ( s ) W( s )W( s ) pi11s (T s 1)( T s 1)piobj112 KKT( s 1)( 將 T 看成大慣性環(huán)節(jié)）pi11112 ( 1)1T s2S 50.005 0.025t /T 9.55 t 9.550.0050.047 12ss37.6%h

3、12h T6K 4800500.00522248000.250.25K KpiT1 1KTK K 1 11.67118Kpi1 UI*80.0263V /A im339dm10U*0.01V min/rn1000nmax0.00333s Toi 0.0025sTs Toi 0.00583s TsTi Kis0.012sTW LssTii T 0.012 siLK R85.76 5%0.5K TIKIiiI K 85.76S W1I11S W1T3s113379.06WT Tm0.120.012ciL1111161.7S W13 T T3 0.00170.0025cisoiR 40K0Ri Ki

4、R 0.224408.96K(9K)00.012Ci1.33Fi9103RiT40.0025Coi 0.25Foi40103R0 4.3%5%1電 流 環(huán) 等 效 時(shí) 間 常 數(shù)K T0.5K I1 T 20.00583 0.01166SKiI 0.015S T Ton1T 0.02666SnKIK ( s(S) Wnnsn取 轉(zhuǎn)速開(kāi)環(huán)增益3 0.0266 0.0798S hT nnh14K 314.07S22h T290.02662N22(hCeT40.02360.1960.12K 7.73m2hRT n60.010.180.0266nW K 169.60.0798 13.53S 1N n11 85.76K 40.43WI3 T3 0.00583cni件11 85.763 0.015K 25.2 WI3 Tcn