計算機仿真課程設(shè)計報告書(編輯修改稿)
2025-06-19 18:19 本頁面
【文章內(nèi)容簡介】 穩(wěn)態(tài)性能。 [N,D]=numden(simplify(Gcz))。 numc=sym2poly(N)numc =+018 * denc=sym2poly(D)denc = +018 * 0 0 0 0 t=0::10t = Columns 1 through 14 0 Columns 15 through 28 Columns 29 through 42 Columns 43 through 51 u=*(t.^2)u = Columns 1 through 14 0 Columns 15 through 28 Columns 29 through 42 Columns 43 through 51 dlsim(numc,denc,u)用圖形仿真方法(Simulink)分析單位加速度信號輸入時閉環(huán)系統(tǒng)動態(tài)性能和穩(wěn)態(tài)性能。 numdy=sym2poly(N)numdy =+037 * dendy=sym2poly(D)dendy =+036 * 確定誤差脈沖傳遞函數(shù)Ge(z)形式,滿足單位速度信號輸入時閉環(huán)穩(wěn)態(tài)誤差為零和實際閉環(huán)系統(tǒng)穩(wěn)定的要求。 syms z b1 b2 b3 b4 b5 a3 a4 a5 Gezw=(1z^1)^2*(b1+b2*z^1+b3*z^2+b4*z^3+b5*z^4) Gezw = (11/z)^2*(b1+b2/z+b3/z^2+b4/z^3+b5/z^4)1確定閉環(huán)脈沖傳遞函數(shù)Gc(z)形式，滿足控制器Dw(z)可實現(xiàn)、無波紋、最少拍和實際閉環(huán)系統(tǒng)穩(wěn)定的要求。 Gczw=z^1*(1+*z^1)*(*z^1)*(*z^1)*(1+*z^1)*(a3+a4*z^1) Gczw = 1/z*(1+363/125/z)*(16703/10000/z)*(13011/10000/z)*(1+477/2500/z)*(a3+a4/z)1根據(jù)1列寫方程組，求解Gc(z)和Ge(z)中的待定系數(shù)并最終求解Gc(z)和Ge(z) 。 f5=subs(Gczw,z,1)1 f5 = 4184491184601/3906250000000*a3+4184491184601/3906250000000*a41 f6=subs(diff(Gczw,1),z,1) f6 = 3747960650717/6250000000000*a314736126223223/31250000000000*a4 [a3j a4j]=solve(f5,f6) a3j = 7195374132433105468750000/17509966474003480259529201a4j = 9150294557414550781250000/17509966474003480259529201 A=double([a3j a4j])A = Gczw=subs(Gczw,[a3 a4],A) Gczw =1/z*(1+363/125/z)*(16703/10000/z)*(13011/10000/z)*(1+477/2500/z)*(925332561593647/2251799813685248+2353474703694299/4503599627370496/z) f7=limit(Gezw,z,inf)1 f7 = b11 f8=subs(Gezw,z,)1 f8 =238144/131769*b129768000/47832147*b2+3721000000/17363069361*b3465125000000/6302794178043*b4+58140625000000/2287914286629609*b51 f9=subs(Gezw,z,)1 f9 =10870209/44930209*b1+108702090000/301167190927*b2+1087020900000000/2018723680783681*b3+10870209000000000000/13531504832293013743*b4+108702090000000000000000/90701676890860071119329*b51 f10=subs(Gezw,z,)1 f10 =48846121/9066121*b1+488461210000/27298090331*b2+4884612100000000/82194549986641*b3+48846121000000000000/247487790009776051*
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