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| Content Provider | IET Digital Library |
|---|---|
| Author | Li, Gang Yu, Shengbao Shi, Jing |
| Abstract | The voltage–current characteristics of high-power LED are different from the conventional power diodes. Generally, the linear model of LED is used in the controller design for LED drivers. A nonlinear model of LED based on the V–I characteristics of LB-W5SM from Osram opto semiconductors company is built. The nonlinear model of LED is a second-order model. The dynamic performance of buck driver with nonlinear model of high-power LED is analysed. The dynamic equations of the V–I characteristics are deduced with curve-fitting. The comparison simulations of proportional–integral-controlled buck drivers with linear model and nonlinear model are conducted. The dynamic response of the second-order model driver is faster than the linear model. |
| Starting Page | 2005 |
| Ending Page | 2007 |
| Page Count | 3 |
| ISSN | 00135194 |
| Volume Number | 52 |
| e-ISSN | 1350911X |
| Issue Number | Issue 24, Nov (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/52/24 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2016.2572 |
| Journal | Electronics Letters |
| Publisher Date | 2016-10-31 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Curve Fitting Design And Testing Driver Circuit Dynamic Response Dynamic Response Analysis Equivalent Circuit High Power LED Interpolation And Function Approximation Junction And Barrier Diode LB-W5SM LED Driver LED Nonlinear Model Light Emitting Diode Numerical Analysis Osram Opto SemiConductor Company PI Control Power Diode Power Electronics Power Semiconductor Device Power Semiconductor Diode Power Supply Proportional-integral-controlled Buck Driver Second Order Model Semiconductor Device Model Semiconductor Device Modelling Supervisory Circuit |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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