{1274946448078}.14 锅炉的控制

{1274946448078}.14 锅炉的控制

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Unformatted text preview: 2010 05 25 ª* ª* ª* ª* D M M ¸ª X=C M PM M M M M M M ¸ª X=C M M M (È ) … * ª ¸ 1Ø m Ì M2 Ø m Ì M3 Ø m Ì ª ª* ¸ª (7R ¸ª* (7R ¸ª (7R ¸ª* (7R H ( s) M G (s) M D ( s) M ¸ª* 5C ¸ª* 5C G D t t H H0 H H2 H H1 H t H1 H (s) K1 K2 =− + D( s) s T2 s + 1 τ H ( s ) K 0 −τ s = e G (s) s t H (s) K1 K2 =− + D( s) s T2 s + 1 H ( s ) ( K 2 − K1T2 ) s − K1 − K1 (−T0 s + 1) = = D( s) s (T2 s + 1) s (T2 s + 1) ♠ ÷ 0 ( ° ⇐ ⊇ ∗ ♠ ≈ # 5 Ξ K2 T0 = − T2 > 0 K1 K2 T0 = − T2 K1 M M M M M M M M LC øÝ Qs M PF M M LC PC PF ∑ M M 2f ¸ª* C ° 8P ºª*ÐIcF C1 PC + C 2PF+ C0 C2 X#»ª*f 5 ÊÜ°) GPD C2 R M M M GMD Gc Pc C1 Σ Gv GmH QW Gp H H —— C1 C2 M C0 ¨9 ª ¸ ∆Qw Kv = ∆P ª♦ ¸9 ∆PF = *ª ♦ ¸9 ∆Qs ( Z max − Z min ) Qs max ∆Qs ( Z max − Z min ) ∆Qw = K v ∆P = K v C2 ∆PF = K v C2 Qs max ∆Qw = α∆Qs αQs max C2 = K v ( Z max − Z min ) ª C1 ¨ C ¸9 *ª C¨ ¸9 1 M C0 M C2PF M M PF M M LC M M M M M PC ∑ C1PC +C2PF+C0 M M M M M M PF LC PC M M M M M M LC ∑ PF PC C1P C + C2 PF+C0 FC ∑ C 1 PC + C2 PF+ C0 FC M —— C2 È: ª ¸ Qs GMD PF R − GLC Pc Σ * ª CR È: ¸2 − GFC GPD Gv G p 2 QW GmW ° à 1 + GFC Gv G p 2GmW H ∆Qs ( Z max − Z min ) ∆PF = Qs max ∆Qw ( Z max − Z min ) C2 ∆PF = Qw max GmH GFC Gv G p 2 G p1 ∆ w =α Qs Q ∆ >0 Qs max C2 = α ⋅ Qw max M M C1,C2,C3 �� M M M M M M M M M M C2 C1 ∑ FC LC C2 C3 C1 ∑ C3 á¥ô—º*�� á¥ô—º*�� ª á¥ô—º*�� á¥ô—º*�� M PtC O2 M FBC PfC M O 2C M × F VC M M M Q1 M Q2 PC I4 LS FC I1 Ip × I3 HS FC I2 K AC I1= I2 = I3 = I4 = Ip Q1 = KQ2 ¸ª* X0R θs θ1 θ2 T2C θ1 G ff T1C ; FC 1 ; TC Σ 2 ...
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