Table 1 The comparison of observed... | Emerald Publishing

Table 1

The comparison of observed performance, Guan and Liu's model, Minh and Huynh's model, optimisation with equal truck arrivals and the proposed model

Hour	Observed performance (i)			Guan and Liu's model (ii)			Minh and Huynh's model (iii)			Optimum with equal arrivals (iv)			The proposed model (v)
Hour	λ	n	z	λ	n	z	λ	n	z	λ^*	n	z	λ^*	n	z
06:00–07:00	1.50	4	697	105	5	731	1.50	4	678	1.69	5	686	0.26	1	148
07:00–08:00	1.58	4	1,015	105	5	731	1.58	4	1,021	1.69	5	686	0.32	1	182
08:00–09:00	2.30	6	1,055	105	5	731	2.30	6	992	1.69	5	686	0.23	1	141
09:00–10:00	1.57	6	773	105	5	731	1.57	4	889	1.69	5	686	0.23	1	141
10:00–11:00	1.75	6	788	105	5	731	1.75	5	706	1.69	5	686	2.10	6	828
11:00–12:00	1.58	6	772	105	5	731	1.58	4	1,021	1.69	5	686	3.68	10	1,373
12:00–13:00	2.42	6	2,014	105	5	731	2.42	6	1,833	1.69	5	686	2.13	6	840
13:00–14:00	2.43	6	3,282	105	5	731	2.45	7	951	1.69	5	686	3.69	10	1,378
14:00–15:00	1.35	5	648	105	5	731	1.35	4	562	1.69	5	686	2.48	7	960
15:00–16:00	1.32	4	558	105	5	731	1.32	4	552	1.69	5	686	3.26	9	1,229
16:00–16:30	0.83	4	257	43	4	380	0.83	3	397	1.69	5	686	0.25	1	145
Total gates and cost		57	11,859		54	7,690		51	9,602		55	7,549		53	7,365

Hour	Observed performance (i)			Guan and Liu's model (ii)			Minh and Huynh's model (iii)			Optimum with equal arrivals (iv)			The proposed model (v)
Hour	λ	n	z	λ	n	z	λ	n	z	λ^*	n	z	λ^*	n	z
06:00–07:00	1.50	4	697	105	5	731	1.50	4	678	1.69	5	686	0.26	1	148
07:00–08:00	1.58	4	1,015	105	5	731	1.58	4	1,021	1.69	5	686	0.32	1	182
08:00–09:00	2.30	6	1,055	105	5	731	2.30	6	992	1.69	5	686	0.23	1	141
09:00–10:00	1.57	6	773	105	5	731	1.57	4	889	1.69	5	686	0.23	1	141
10:00–11:00	1.75	6	788	105	5	731	1.75	5	706	1.69	5	686	2.10	6	828
11:00–12:00	1.58	6	772	105	5	731	1.58	4	1,021	1.69	5	686	3.68	10	1,373
12:00–13:00	2.42	6	2,014	105	5	731	2.42	6	1,833	1.69	5	686	2.13	6	840
13:00–14:00	2.43	6	3,282	105	5	731	2.45	7	951	1.69	5	686	3.69	10	1,378
14:00–15:00	1.35	5	648	105	5	731	1.35	4	562	1.69	5	686	2.48	7	960
15:00–16:00	1.32	4	558	105	5	731	1.32	4	552	1.69	5	686	3.26	9	1,229
16:00–16:30	0.83	4	257	43	4	380	0.83	3	397	1.69	5	686	0.25	1	145
Total gates and cost		57	11,859		54	7,690		51	9,602		55	7,549		53	7,365