Chip Attach Scheduling in Semiconductor Assembly

Table 1

Comparison of objective function values using heuristics and 𝑄-learning.

Dataset no.	WSPT	MWSPT	RA	LFM-MWSPT	LFM-RA	LWF	Q-Learning
1	88.867	78.116	59.758	87.689	57.582	42.253	−3.8613
2	138.44	135.86	110.747	126.69	109.07	95.926	7.6657
3	119.01	108.75	124.09	104.25	121.90	83.332	23.775
4	83.681	60.797	39.073	69.405	45.575	33.920	−4.4275
5	129.38	128.47	96.960	109.17	99.827	89.863	21.414
6	70.840	55.692	51.108	66.213	51.041	16.930	−5.4467
7	120.90	100.60	95.399	109.33	90.754	76.422	27.374
8	102.42	107.80	116.56	103.33	107.62	93.663	11.840
9	94.606	87.914	81.763	88.812	80.331	60.164	33.036
10	90.803	88.164	90.773	87.926	88.56293	56.307	22.798
11	111.13	88.287	82.916	97.882	85.605	60.160	16.493
12	100.29	89.005	86.692	95.836	78.342	60.744	−3.8617
Average	104.19	94.123	86.321	95.547	84.685	64.147	12.233