PowerPoint Template

xtwang@mail.xidian.edu.cn

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82.1 EG1. RLRCxtwang@mail.xidian.edu.cn

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132.2 2.2.1 xtwang@mail.xidian.edu.cn1. tf(t)e-st(s=+j), 0,+t, F(s),F(s)f(t),Lf(t)

f(t)F(s) F(s)f(t), f(t)F(s) 142.2 xtwang@mail.xidian.edu.cn2 L513467

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222.2 xtwang@mail.xidian.edu.cn EG5.EG3RLC

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232.2 xtwang@mail.xidian.edu.cn (a) (b) (c)(d) (e)(f)s n m(g)h ,

242.2 xtwang@mail.xidian.edu.cn:

1 2 3 (2)s1 M(s)=0N(s)=0zi(i=1,2,,m)pj(j=1,2,,n),k(2.24)1,i(i=1,2,,m)Tj(j=1,2,,n), K 252.2 xtwang@mail.xidian.edu.cn

(chaper4)2 EG

p1p2j1 1 j 023p3z1 s=2 s=-3, s=-1+j, s = -1-j262.2 xtwang@mail.xidian.edu.cn2.2.3 G(s)

6,272.2 xtwang@mail.xidian.edu.cn2.2.3 1. c(t) = K r(t) G(s) = K C(s) = G(s) R(s) = K/s c(t) = K1(t) r(t)=1(t)c(t)r(t)1c(t)t0K

282.2 xtwang@mail.xidian.edu.cn 2.()

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r(t)t01c(t)t01T 1/T

312.2 xtwang@mail.xidian.edu.cn4.RC

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c(t) = T(t)t = 0t = 0r(t)t01c(t)t0T,

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362.3 xtwang@mail.xidian.edu.cn2.3.1 : 1,

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372.3 xtwang@mail.xidian.edu.cn1.2.3.

382.3 xtwang@mail.xidian.edu.cn

R(s)C(s) E(s), B(s)C(s)= G(s)*E(s)E(s)= R(s)-B(s)B(s)= H(s)*C(s)C(s)= G(s)*E(s)C(s)= G(s)*(R(s)-B(s))C(s)= G(s)*[R(s)-H(s)*C(s)]B(s)E(s)

392.3 xtwang@mail.xidian.edu.cn

R(s)C(s) E(s), B(s)C(s)= G(s)*E(s)E(s)= R(s)-B(s)B(s)= H(s)*C(s)1B(s)E(s)

AE(s)B(s)A2C(s)E(s)

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402.3 xtwang@mail.xidian.edu.cn, , R(s)N(s)

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692.5 xtwang@mail.xidian.edu.cnMasons gain formula

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712.5 xtwang@mail.xidian.edu.cn Masons Gain Formula

722.6 MATLABxtwang@mail.xidian.edu.cn 2-17

MATLAB MATLAB: num=12 24 12 20; den=2 4 6 2 2; G=tf(num, den) Transfer function: 12 s^3 + 24 s^2 + 12 s + 20 2 s^4 + 4 s^3 + 6 s^2 + 2 s + 2, 0,3s21,MATLAB num=3 0 1; ,MATLABconv( ) 732.6 MATLABxtwang@mail.xidian.edu.cn 2-18

MATLAB MATLAB: num = 4*conv(1 2, conv(1 6 6, 1 6 6)); den = conv([1 0], conv([1 1], conv([1 1], conv([1, 1], [1 3 2 5])))); G = tf(num, den)conv( ), :Transfer function: 4 s^5 + 56 s^4 + 288 s^3 + 672 s^2 + 720 s + 288 s^7 + 6 s^6 + 14 s^5 + 21 s^4 + 24 s^3 +17 s^2 + 5 s 742.6 MATLABxtwang@mail.xidian.edu.cn 2-19

P = [1, 3, 0, 4];R = roots(P);

R= -3.3553 0.1777 + 1.0773i 0.1777 - 1.0773i

P = poly(R)

P =1.000 3.000 0.000 4.000 2-20 2-21 s=-5

N = conv([3, 2, 1],[1, 4])Value = polyval(n, -5)

Value = -6675xtwang@mail.xidian.edu.cn , ()() : ; ; , ; , ; 76Thank youxtwang@mail.xidian.edu.cn

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