!设在航段ij的载箱量为dij,xij表示船舶航行于航段ij,根据集装箱网络优化模型得到非线性整数规划模型; : k6 p4 m/ G3 M; R% e6 R!目标函数;* X% H P* e( o* e8 Z+ @# X! m
max=(50*d12+70*d13+460*d14+610*d15+590*d16+590*d17)+(50*d21+40*d23+460*d24+590*d25+570*d26+570*d27)+(70*d31+40*d32+480*d34+620*d35+580*d36+580*d37)+(460*d41+450*d42+490*d43+580*d45+580*d46+580*d47)+(620*d51+600*d52+630*d53+460*d54+240*d56+240*d57)+(610*d61+570*d62+590*d63+480*d64+230*d65+230*d67)+(600*d71+590*d72+590*d73+460*d74+240*d75+230*d76)-(132419*x12+139623*x13+158411*x14+217747*x15+166055*x16+187958*x17)-(132419*x21+118304*x23+156765*x24+217941*x25+164399*x26+186400*x27)-(139623*x31+118304*x32+161916*x34+219402*x35+167612*x36+189400*x37)-(158411*x41+156756*x42+161916*x43+177542*x45+122735*x46+144443*x47)-(217747*x51+217941*x52+219402*x53+177542*x54+163281*x56+133396*x57)-(166055*x61+164340*x62+167612*x63+122735*x64+163281*x65+133396*x67)-(187958*x71+186400*x72+189613*x73+144443*x74+143617*x75+133395*x76); 2 ~9 |2 W2 I: Z. t" L9 n!约束条件; 2 |6 Y1 o+ P7 }. S, }!挂靠港约束4 K8 y: x0 Q2 P+ F; s
x11+x21+x31+x41+x51+x61+x71=1: & G6 q' d0 I4 f9 lx12+x22+x32+x42+x52+x62+x72=1; - M" s: W# W0 w/ F( l9 dx13+x23+x33+x43+x53+x63+x73=1;- q9 ~$ B& m! ?! Q9 {* f6 }
x14+x24+x34+x44+x54+x64+x74=1; " s: d# Y5 p1 ix15+x25+x35+x45+x55+x65+x75=1; ; Q+ r w7 h6 O* i/ K5 F, dx16+x26+x36+x46+x56+x66+x76=1;$ t2 R2 S* a+ m. k0 @" V2 P6 l, k
x17+x27+x37+x47+x57+x67+x77=1; + d! E& z+ X9 W% @x11+x12+x13+x14+x15+x16+x17=1;- C4 r9 D6 K+ o9 M
x21+x22+x23+x24+x25+x26+x27=1; ( T( b3 ~ y+ @: h6 z5 Dx31+x32+x33+x34+x35+x36+x37=1; " s j, s8 n8 y' |" O! p& m# N+ D- {2 ax41+x42+x43+x44+x45+x46+x47=1;, V O. m* j( z. Z# [# N
x51+x52+x53+x54+x55+x56+x57=1; ; C) b0 A- f. [: w' px61+x62+x63+x64+x65+x66+x67=1; ( g- [# k: r/ H6 ?* q, ox71+x72+x73+x74+x75+x76+x77=1;2 T6 h5 L9 t' T! X- ?. R
!货流量约束; * K5 K z5 |4 J# Z& _, ]d11<=0; ( [: t2 U/ O8 \) x. }( Y6 `3 ~" Od12<=0;0 y, U2 O2 ~% p( M8 [
d13<=0; ) I6 v: d2 h; {; O$ e4 r/ s/ F8 od14<=30;# {" E5 A+ G" k8 i& k/ d% B; S1 R# O
d15<=35;- R% V7 N/ m$ B, \5 K
d16<=40;! b) C$ R+ u: u# C. l" C/ s; ~
d17<=30; 3 \* g# R2 {- y! ^% I; X+ Qd21<=0;: d; \0 d7 v. v s: V
d22<=0; ; T7 f2 _6 J( N0 M7 i, d; Vd23<=0;2 L! T# P4 k+ ~0 T: L
d24<=400; 2 V6 V9 D' n* S6 \; D; T4 f7 sd25<=420; & u9 N" L1 Y- g1 \+ z) ?d26<=400;0 ] r3 N7 l" U) q8 f
d27<=405;4 O7 ^$ u# F! _' g, i
d31<=0;- {' w3 C% p% e' p$ V) b8 B
d32<=0;: u/ U+ U& h: _$ X/ f) ?* c
d33<=0; # Q) G, y# e& s- R& x/ Pd34<=40; 2 e+ j, T3 t4 j+ h) \5 o9 I7 Wd35<=45;/ ]' F) k& b0 D' a) m& `" m, e0 }
d36<=50; " W: U6 v/ a9 ^. Q ^3 X+ O$ |d37<=45; : M0 P1 s6 w9 Gd41<=20; 5 z6 b0 Q- ^0 R. C- [4 ?/ t0 Ld42<=200;: s! M; ?6 o d" e: p% M. w
d43<=25;( \8 T, J& \/ G( t, W# |) Q
d44<=0;+ V$ T% Q2 w4 u5 r2 { Q7 T
d45<=300; ! W5 V# o/ D) Y3 Bd46<=280; ) W& V' `; o9 c& nd47<=300;; S0 P' y m+ _6 ]- Q
d51<=15; U {; S3 v' U7 td52<=30;8 h1 |4 H* _" W( C
d53<=20; z3 M* b/ \2 g8 s& _
d54<=40; 6 q3 k5 {1 y6 o5 L8 cd55<=0;* L9 @; o3 E+ b2 M G+ v G0 d
d56<=0; ! z- q* h1 I* c9 @' O9 Yd57<=0;% W( U! g! v" w- h2 U
d61<=10; 7 v2 r/ z( d+ b( D# Fd62<=40; , x. _" `- D: ?' O1 ud63<=15;! s6 M0 U7 d# i3 y& b% v
d64<=60; 7 A$ A8 z8 L# t8 G. Cd65<=0; * B O9 B' [5 A; p+ K- ed66<=0;5 K0 f( z! B' w. y- g& i5 d( K: I
d67<=0;0 W0 W. F4 b) e$ e( Z
d71<=10; : o1 a3 \ J8 }1 H9 O& T4 ~+ Fd72<=35; # v( ~8 p' i+ G, Y5 F2 rd73<=10; , ] z8 K2 ~& g6 Pd74<=55;# j: K) J! p8 ~; R3 G
d75<=0;4 C2 o# N1 B% U: K
d76<=0;# z: F; U% p# k" n0 d; w
d77<=0; G) e5 h4 N2 ~, S! C
!船舶载运量约束;' q0 W/ E1 w* t; D/ t; T) ^
!第1个港口; 2 R* X w" O0 Q3 _+ A, Wd71+d72+d73+d74+d75+d76+d61+d62+d63+d64+d65+d51+d52+d53+d54+d41+d42+d43+d31+d32+d21<=2000; 7 W$ n$ w1 n2 y8 n9 J!第2个港口; . U. F3 T1 C3 nd12+d13+d14+d15+d16+d17+d72+d73+d74+d75+d76+d62+d63+d64+d65+d52+d53+d54+d42+d43+d32<=2000;, F1 X& ^; {3 o4 t. C* Q4 u
!第3个港口;9 n" |* W4 m6 f3 F" f* Z
d23+d24+d25+d26+d27+d21+d13+d14+d15+d16+d17+d73+d74+d75+d76+d63+d64+d65+d53+d54+d43<=2000;5 i# I: s0 j$ c8 S
!第4个港口;6 t3 g/ v% q) V1 E" C" Y
d34+d35+d36+d37+d31+d32+d24+d25+d26+d27+d21+d14+d15+d16+d17+d74+d75+d76+d64+d65+d54<=2000;* h! S0 x9 [: x7 L. n" B
!第5个港口;9 | ]5 E) `2 x# e2 W$ {& L: D
d45+d46+d47+d41+d42+d43+d35+d36+d37+d31+d32+d25+d26+d27+d21+d15+d16+d17+d75+d76+d65<=2000; 8 \1 ~- I, x$ D: P4 z!第6个港口; 1 J: Y- U) B* Z& f4 f, e2 ~d56+d57+d51+d52+d53+d54+d46+d47+d41+d42+d43+d36+d37+d31+d32+d26+d27+d21+d16+d17+d76<=2000;! @. O! S5 D7 g$ u* h8 G: M. L+ T; V( O
!第7个港口; . ]3 n; f$ F) U& g0 K7 H4 K/ M0 Od67+d61+d62+d63+d64+d65+d57+d51+d52+d53+d54+d47+d41+d42+d43+d37+d31+d32+d27+d21+d17<=2000;/ e$ c& L" n# {2 l
!整数约束;3 o M2 k2 _: j- g
@bin(x11);7 r$ i" ]4 S# _9 p: c& }" X0 w. y
@bin(x21); 5 o, u7 k+ ^, z$ z% n7 r! x@bin(x31);) m4 j! O! A# O
@bin(x41); 6 }6 I% D: E" o T! j" [@bin(x51); 8 G, g" R8 {* U( `1 |) F+ _ N@bin(x61); ( i: R8 P- j5 {3 I2 @9 c- s! w@bin(x71);- V7 K9 c) V2 R& I
@bin(x12);# T5 U, A: x4 P
@bin(x22);& b2 m' W( h3 {4 @3 h
@bin(x32); 9 `. H( ~4 d& H' h- o1 C z@bin(x42); * P' A M2 i7 m. `2 V+ p- z1 ?' b@bin(x52); ; S' q4 d' o1 e1 W6 P3 |@bin(x62);- J/ T! t0 [1 g- w0 ]: B9 Z& [
@bin(x72);. s; G) r5 q: G* Q
@bin(x13); * c' _; A% H+ P: n@bin(x23);6 M8 e2 m/ O5 P$ a( O
@bin(x33);* `3 i: g3 C' z- X3 L
@bin(x43); 1 \/ `: _ }+ [' b" Q1 I6 f@bin(x53); s! }/ {; c5 o: ?/ d) F+ }
@bin(x63); # _# i+ ?% ]5 k1 n+ R8 g/ j@bin(x73); 2 ~$ y- y+ p) d) C# C( j/ H. ?9 U! q@bin(x14);( v& i) p! @! P: {/ g" F
@bin(x24);/ R# h7 E$ i8 ]8 S! J. }
@bin(x34); % G0 ^' b, S7 z5 ^% c' ]@bin(x44); " w# @' T* m* b N1 c5 k@bin(x54); ; g, F3 e" t2 M1 V@bin(x64); 5 s* f% X" l, e@bin(x74);+ o6 {" S& r5 a3 {8 h$ d
@bin(x15);, T! x6 y: a* `1 O- ]
@bin(x25); $ [0 h) H9 N6 {% O: S( [@bin(x35);1 \. H7 q+ k* \( h
@bin(x45);2 M F# }, F: ?
@bin(x55);1 G v8 P7 @1 {* D7 N- f
@bin(x65); {) r% {$ Z# r3 Z1 O2 ]" x@bin(x75);; G9 q/ O* @6 S E
@bin(x16); " |: S4 _( Q/ E) q' G+ @9 F@bin(x26); # P8 x& H# X/ h2 e; W@bin(x36); / g( S1 T" m+ ^8 v8 H0 ~8 C! B@bin(x46); ( S6 v3 }3 M9 G: l/ b( [@bin(x56);+ X K: Z) S$ T, L+ I. [2 s5 a
@bin(x66); 1 B! ^& X0 H" s+ c9 [ t@bin(x76);6 Q: t$ A: H6 \9 {
@bin(x17);" F6 h) F7 S. x9 \# o$ ^6 o
@bin(x27);% R3 |5 `( i# ^( @2 S
@bin(x37);; C; C/ \' f9 R! [% `5 I
@bin(x47); + w: G/ \( C7 P8 z0 P% I@bin(x57);# E' e. ~4 d: H* _% g" E+ i
@bin(x67);+ i) K7 G; U+ W4 N0 u' x: h
@bin(x77); - Q3 V# h, m, I; U `+ K$ ?4 P2 ]) W
" a) j" e7 \1 ^" P ' p0 B U- Z- d' l 6 I' F% M. k j 2 s# g3 [" a& R- n$ n7 ^ % X% Q6 t: G- J. g7 a( Y5 f5 U& C. K8 h3 ^5 m/ N+ c- m2 w$ M; v
8 b! \- [$ g" l& E: Y
% {/ H d7 N6 s5 s- n) F# r0 N3 g. ~ 5 K! r* W; ?" ], }; T% G+ x/ W0 f. c! I