An Improved Particle Swarm Optimization for the Automobile Spare Part Warehouse Location Problem

Table 1

The information of the test problems.

Bench	Size	Bench	Size	Bench	Size
Cap71	16 × 50	MO1	100 × 100	MR1	500 × 500
Cap72	16 × 50	MO2	100 × 100	MR2	500 × 500
Cap73	16 × 50	MO3	100 × 100	MR3	500 × 500
Cap74	16 × 50	MO4	100 × 100	MR4	500 × 500
Cap101	25 × 50	MO5	100 × 100	MR5	500 × 500
Cap102	25 × 50	MP1	200 × 200	MS1	1000 × 1000
Cap103	25 × 50	MP2	200 × 200	MS2	1000 × 1000
Cap104	25 × 50	MP3	200 × 200	MS3	1000 × 1000
Cap131	50 × 50	MP4	200 × 200	MS4	1000 × 1000
Cap132	50 × 50	MP5	200 × 200	MS5	1000 × 1000
Cap133	50 × 50	MQ1	300 × 300	MT1	2000 × 2000
Cap134	50 × 50	MQ2	300 × 300	MT2	2000 × 2000
Cap a	100 × 1000	MQ3	300 × 300	MT3	2000 × 2000
Cap b	100 × 1000	MQ4	300 × 300	MT4	2000 × 2000
Cap c	100 × 1000	MQ5	300 × 300	MT5	2000 × 2000