带有活动重叠的随机调度问题建模与算法研究

doi:10.16381/j.cnki.issn1003-207x.2021.0481

Abstract

Abstract:

Overlapping can not only effectively reduce the duration of R&D projects， but also decline the risk of R&D failure owe to finding the existing problems in time through the early exchange of information between upstream and downstream activities. In the project scheduling problem with activity overlapping， the uncertainty of activity duration will lead to uncertain overlapping time， uncertain overlapping amount， and uncertain rework time of downstream activities. The stochastic project scheduling is studied with activity overlapping which is NP-hard. Firstly， a multistage decision process model is established to describe the stochastic scheduling process with activities executing in overlapping way and uncertain activity durations. Then， a two-stage GA-rollout algorithm combining open-loop and close-loop policy is designed. A unique chromosome coding and decoding approach is embedded in the GA algorithm to select effective overlapping activities. And the initial solution obtained by GA is used as base policy， and then further optimized by rollout strategy. Finally， through the large-scale experimental study and the comparative analysis of the solution quality of different algorithms， the good performance of our GA-Rollout algorithm is verified.

Key words: stochastic scheduling, overlapping, multistage decision process, approximate dynamic programming, genetic algorithm

CLC Number:

TP18

Zihao Chu,Zhe Xu,Dongning Liu. Model and Algorithm on Stochastic Scheduling Problem with Activity Overlapping[J]. Chinese Journal of Management Science, 2024, 32(7): 84-94.

Figures/Tables 12

cnub	$p c$	$p m$	$N o P o P$	$s i m n u b$	Ave Gap (%)
cnub	$p c$	$p m$	$N o P o P$	$s i m n u b$	U1	U2	Exp	B1	B2
20	0.6	0.01	50	1	69.13	78.50	95.51	69.33	80.76
20	0.7	0.05	100	5	67.71	78.06	95.45	68.89	80.53
20	0.8	0.1	200	10	68.48	78.09	95.21	68.92	80.29
40	0.6	0.01	100	5	68.21	77.81	94.68	68.33	79.86
40	0.7	0.05	200	10	67.90	78.06	94.86	68.61	79.98
40	0.8	0.1	50	1	68.47	78.24	95.24	68.50	80.24
60	0.6	0.05	50	10	67.75	77.38	94.60	68.21	79.65
60	0.7	0.1	100	1	68.16	77.92	94.64	68.81	80.35
60	0.8	0.01	200	5	67.68	78.18	94.83	68.62	80.07
80	0.6	0.1	200	5	68.26	77.80	94.95	68.37	80.23
80	0.7	0.01	50	10	67.69	77.29	94.12	68.00	79.14
80	0.8	0.05	100	1	68.56	78.23	94.68	68.73	80.43
100	0.6	0.05	200	1	69.30	77.96	94.65	69.01	79.98
100	0.7	0.1	50	5	67.84	77.53	94.79	68.23	79.32
100	0.8	0.01	100	10	68.08	77.65	94.61	68.57	79.41
120	0.6	0.1	100	10	68.28	77.48	94.33	68.73	79.60
120	0.7	0.01	200	1	69.11	77.95	95.04	69.63	80.14
120	0.8	0.05	50	5	67.86	77.64	94.38	68.38	79.68

分布形式	$c n u b$	$p c$	$p m$	$N o P o P$	$s i m n u b$
U1	60	0.7	0.05	50	5
U2	100	0.6	0.05	50	10
Exp	80	0.6	0.05	100	10
B1	80	0.8	0.05	50	5
B2	100	0.7	0.01	50	10

$s i m n u b$	Ave Gap (%)
$s i m n u b$	U1	U2	Exp	B1	B2
1	68.65	78.47	94.66	69.43	80.38
5	67.55	77.77	94.57	68.01	79.30
10	67.70	77.54	94.49	68.03	79.27

$c n u b$	Ave Gap (%)
$c n u b$	U1	U2	Exp	B1	B2
20	67.84	78.01	95.60	68.29	80.23
40	67.66	77.44	94.94	68.20	79.69
60	67.48	77.67	94.91	68.26	79.36
80	67.69	77.46	94.44	67.82	79.43
100	67.86	77.33	94.71	68.18	79.18
120	67.97	77.58	94.58	68.55	79.77

References 36

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仿真次数	U1		U2		Exp		B1		B2
仿真次数	Gap	Time	Gap	Time	Gap	Time	Gap	Time	Gap	Time
1	70.29	2.77	81.49	2.83	98.26	2.28	70.20	2.19	83.47	2.21
5	67.20	13.22	79.74	13.48	96.91	13.37	67.25	10.91	81.27	13.57
10	65.46	28.26	77.84	28.81	95.80	21.46	65.55	24.58	79.38	25.29

算法	进度计划数量	Ave Gap (%)
算法	进度计划数量	U1	U2	Exp	B1	B2
Heuristic-Rollout	1	59.55	69.83	85.46	59.88	71.60
GA	5000	59.35	70.44	86.34	59.83	72.20
GA	25000	58.76	70.09	86.08	59.22	71.83
GA-Rollout	5000	57.19	66.83	83.06	57.69	68.53
GA-Rollout	25000	55.99	65.92	82.40	56.41	67.57

算法	schedules	Ave Gap (%)
算法	schedules	U1	U2	Exp	B1	B2
ABGA	5000	51.49	78.65	120.22	-	-
ABGA	25000	49.63	75.38	116.83	-	-
ABGR	5000	46.84	72.58	114.42	47.17	75.97
ABGR	25000	45.21	70.95	112.37	45.60	74.17
PPGA	5000	48.86	58.91	76.03	49.01	58.82
PPGA	25000	47.21	58.07	74.56	47.25	57.95
RB-EDA	5000	47.29	56.54	72.50	47.65	58.29
RB-EDA	25000	46.66	56.07	72.05	47.04	57.82
GP-H	5000	46.71	55.95	71.71	46.87	55.95
GP-H	25000	44.98	55.37	71.29	45.12	55.42
RB-LFT	1	48.05	55.59	70.95	48.05	55.56
RB-SLFT	1	48.04	55.48	70.76	48.04	55.45
GA-Rollout	5000	45.13	54.04	69.03	45.59	55.61
GA-Rollout	25000	44.02	53.20	68.43	44.42	54.72

算法	Ave Gap (%)
算法	U1	U2	Exp	B1	B2
ADP-Rollout-LS	50.25	73.48	80.31	46.75	57.22
ADP-HBA	42.11	71.94	74.90	38.93	45.39
GA-5000-Rollout	45.13	54.04	69.03	45.59	55.61
GA-25000-Rollout(与ADP-HBA比较优势)	44.02 (-1.91%)	53.20 (18.74%)	68.43 (6.47%)	44.42 (-5.49%)	54.72(-9.33%)

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Model and Algorithm on Stochastic Scheduling Problem with Activity Overlapping

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