A Polling-Based Dynamic Order-Picking System considering Priority Orders

Table 2

Comparison of the numerical results under different order structures.

The order number	MCP		MQLPO		MQLOO		MWTPO		MWTOO
	AV	TV	AV	TV	AV	TV	AV	TV	AV	TV
1	14.9308	14.9266	0.0074	0.0075	0.3998	0.4001	0.4577	0.4270	10.3342	10.4502
2	14.2161	14.2163	0.0094	0.0095	0.5371	0.5371	0.4184	0.3856	11.1207	11.2662
3	16.2814	16.2764	0.0187	0.0189	0.2466	0.2470	0.4836	0.4697	9.8017	9.8624
4	14.3752	17.3765	0.0119	0.0120	0.5010	0.5013	0.4289	0.3963	10.9112	11.0366
5	15.6882	15.6886	0.0206	0.0208	0.3075	0.3078	0.4718	0.4544	9.9691	10.0731
6	15.9315	15.9312	0.0026	0.0027	0.2763	0.2763	0.4766	0.4621	9.8501	9.9272
7	19.3682	19.3693	0.0064	0.0065	0.0329	0.0328	0.5009	0.4995	9.5070	9.5072
8	18.2929	18.2971	0.0181	0.0183	0.0961	0.0961	0.4957	0.4955	9.5733	9.6552
9	17.8533	17.8559	0.0261	0.0267	0.1272	0.1271	0.4978	0.4924	9.6154	9.6266
10	13.7259	13.7226	0	0	0.6981	0.6987	NaN	NaN	12.2891	12.4929
11	20.3635	20.3629	0.0583	0.0600	0	0	0.5052	0.5054	NaN	NaN
12	20.0011	20.0011	0.0033	0.0033	0	0	0.4989	0.5000	NaN	NaN
13	19.3662	19.3651	0	0	0.0328	0.0328	NaN	NaN	9.4913	9.5050
14	13.4806	13.4848	0	0	0.8498	0.8491	NaN	NaN	13.5216	13.8569
15	20.6532	20.6543	0.0767	0.0800	0	0	0.5130	0.5130	NaN	NaN

AV = actual value; TV = theoretical value.