A Hybrid Method to Predict the Remaining Useful Life of Scroll Wheel of Control Rod Drive Mechanism

Table 3

Comparison of segmented prediction results with unsegmented prediction results.

Test data	Segmented Predictions	Unsegmented Predictions	Relative error percentage absolute value
0.4057	0.3986	0.3831	1.75%, 5.57%
0.4405	0.4282	0.4136	2.78%, 6.11%
0.4775	0.4596	0.4459	3.75%, 6.62%
0.49	0.4922	0.4799	0.45%, 2.06%
0.5169	0.5269	0.5156	1.94%, 0.26%
0.5587	0.5632	0.5530	0.82%, 1.01%
0.6031	0.6013	0.5929	0.3%, 1.68%
0.6501	0.6416	0.6348	1.31%, 2.35%
0.6765	0.6829	0.6787	0.94%, 0.33%
0.6987	0.7267	0.7245	4.01%, 3.69%
0.7516	0.7721	0.7730	2.72%, 2.84%
0.8074	0.82	0.8238	1.56%, 2.03%
0.8663	0.8696	0.8766	0.38%, 1.19%
0.9295	0.9215	0.9321	0.86%, 0.28%