Research Article
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 | |
|
|