The Optim ization A lgor ithm s for Solv ing Resource-con stra ined Project Schedul ing Problem: A Rev iew
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- Αλάστωρ Χρηστόπουλος
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1 16 V o l. 16 Supp l. CON T ROL A N D D EC IS ION N ov : (2001) 0S ,, (, ) :,,,,, : ; ; ; : O 224 : A The Optim ization A lgor ithm s for Solv ing Resource-con stra ined Project Schedul ing Problem: A Rev iew L IU S h i2x in, W A N G M eng 2g uang, TA N G J ia2f u (Schoo l of Info rm ation Science and Engineering, N o rtheastern U niversity, Shenyang , Ch ina) Abstract: Because of the im po rtant theo retical values and w ide p ractical app lications of the resource2 constrained p ro ject scheduling p roblem, there have been fast developm ents in the op tim azation algo2 rithm s fo r so lving th is p roblem. Som e of the recent developm ents on branch and bound algo rithm s, p ri2 o rity2based heuristics, sam p ling algo rithm s and intelligent algo rithm s fo r so lving th is p roblem are re2 view ed, and the develop ing tendency is discussed. Key words: p ro ject scheduling; resource2constrained; branch2and2bound; heuristics 1, (P ro ject2 o rien ted),,, ;,,,, N P2hard,,,, : ; : : ( ) : (1968 ),,,,, ; (1936 ),,,,,
2 (RCPSP) :, J,, j h, h P j (P j j ),, P j j 1, J, ( 0),, j (j = 1, 2,, J ) k rjk, d jk R k (k = 1, 2,, K ), j S j,a t (t - 1, t ], ( [ 1 ]) m in S J (1) s. t. S j - S i d i, i P j (2) j A t rjk R k, t = 1, 2,, f J k = 1, 2,, K (3), (1), ; (2) ; (3) ( ), ( ), RCPSP g PSg tg, PSg,, A g PSg, PSg A g, tg = m in{s j + d j, j A g}, tg E g = {j g j PSg, Π i P j, S i + d i tg }, tg E g,,, PSg ( ), D em eu lem eester [2 ] tg E g,, DA g g,,, [ 3 ] W indow s N T, M ingozzi [4 ], Patterson [5 ], g, PSg, B rucker [6 ], ( ),,,, () (), : RCPSP, [7, 8 ]
3 16 : 649 :,, J, n (n = 1, 2,, J ) PSn E n: = {j g j PSn, P j Α PSn} E n (, ), J, n tn, tn C n, tn A n, tn E n, E n: = {j g j {C n A n}, P j Α C n, rjk ΠR k, k = 1, 2,, K } n n + 1 : 1) tn+ 1, C n+ 1 A n+ 1, ΠR k E n+ 1; 2) E n+ 1 j, j, j, E n+ 1, 2) E n+ 1 30, RCPSP, [9 11 ] 1 RCPSP N C, R F R S [14 ],,,, ,, v (j ) Ω(j ), Ω(j ) E n Ω(j ), (R S) (BR S) (RBR S) R S, E n, Ω(j ) = 1 ge ng BR S Ω(j ),, j [15 ] Ω(j ) = v (j ) v (i) (4) i E n RBR S D rex l [16 ], Ω(j ) j v (j ),, Ω(j ) 1 RCPSP Θj: = v (j ) - m in i E n v (i) (5) Ω(j ) : = (Θj + Ε) Α (Θi + Ε) Α (6) i E n Θj j, Ε(> 0) 0, GR PW M ax [ 10 ] d j + i SA j d i M T S M ax [ 10 ] gsa T j g RSM M ax [ 10 ] [ 10 ] W CS M ax [ 10 ] [ 10 ] L ST M in [ 10 ] L Sj M IN SL K M in [ 12 ] L Sj - tn M INL FT M in [ 12 ] L Sj + d j GRD M ax [ 12 ] d j k rjk GRU M ax [ 12 ] k rjk L FS M in [ 12 ] (L Sj - ESj) gsa T j g R &M gbgl T I M ax [ 12 ] [ 12 ] WACRU W RU P M ax [ 13 ] [ 13 ] :, SA j j, SA T j j ( ),
4 Α> 0 1) RCPSP, RCPSP, ;, RCPSP,,,, RCPSP [ 22 ],, : 2) 1) ,,,,,,, RCPSP,,,, [ 17, 18 ],, 2) , J, j j [23 ],,, [ 19, 20 ] 3) 3), J ( ), [24 ], ( : j, j ), g,,, g () 4),, J RCPSP, [ 21 ],,,,, RCPSP,,,,,,,, 4 5 RCPSP RCPSP,
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