[Retracted] Quality Data Collection and Quality Monitoring of Smart Electric Energy Meter Based on Acceleration Sensor

Table 3

Summary of quality data of intelligent power meter.

Quality data acquisition stage	Collection index	First batch	Second batch	Third batch
Product reliability	Whole meter failure rate (10 years)	Qualified	Qualified	Qualified
	Component failure rate (10 years)	Qualified	Qualified	Qualified
	Estimated reliability of products (10 years)	97%	96%	97%
Factory inspection	Deviation between factory basic error and average error	0.11	0.09	0.04
	Appearance and logo	Qualified	Qualified	Qualified
Manufacture supervision	Component consistency	Agreement	Agreement	Agreement
	Process integrity	Partial incompleteness, timely modification	Complete	Complete
Quality before arrival	Sample sampling full performance	99.77%	99.66%	99.99%
	First pass rate of test before arrival	Qualified	Qualified	Individual unqualified, timely rectification
After arrival	Full inspection and acceptance	The qualified rate is 97.99%, and the number of faults of the same product is more than 2. It has been returned to the factory for timely treatment.	Pass rate 99.38%	Pass rate 99.40%
	Batch failure rate	0%	0%	0%
Operation table	Sampling inspection qualification rate	99.82%	99.38%	99.90%
	Classification failure rate	0.93%	1.15%	0.66%
	Batch failure rate	2.05%	2.11%	0.66%