Lifetime Prediction for a Cell-on-Board (COB) Light Source Based on the Adaptive Neuro-Fuzzy Inference System (ANFIS)

Table 2

Charging-station information reliability requirement of LED light source and LAMP in current standards [23].

Test item	Standards	Descriptions	Remark
Lumen maintenance	IES LM-80-08/Energy Star	6000 hr. life test at 3 different case temperatures: 55°C and 85°C, as defined by the manufacturer	10 samples by Energy Star
Rapid-cycle stress test	Energy Star	Cycle times: 2 minutes on, 2 minutes off. Lamp cycled once for every two hours of required minimum life	10 samples by Energy Star
Lumen maintenance	IEC/PAS 62612	6000 hits life test at 45°C ambient temperature	Sample size 10
Rapid-cycle stress test	IEC/PAS 62612	Cycle times: 30 sec. on, 30 sec. off. Lamp cycled once for every two hours of required minimum life
Thermal shock	IEC/PAS 62612	-10°C~50°C 1 hr. dwell 5 cycles