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Design of Single Star Simulator Based on LED Light Source
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| Zeitschriftentitel: | Applied Mechanics and Materials |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Applied Mechanics and Materials, 397-400, 2013, S. 932-935 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
Trans Tech Publications, Ltd.
|
| Schlagwörter: |
| author_facet |
Gan, Xin Ji Gao, Xing Hua Chen, Yan Li, Jing Gan, Xin Ji Gao, Xing Hua Chen, Yan Li, Jing |
|---|---|
| author |
Gan, Xin Ji Gao, Xing Hua Chen, Yan Li, Jing |
| spellingShingle |
Gan, Xin Ji Gao, Xing Hua Chen, Yan Li, Jing Applied Mechanics and Materials Design of Single Star Simulator Based on LED Light Source General Engineering |
| author_sort |
gan, xin ji |
| spelling |
Gan, Xin Ji Gao, Xing Hua Chen, Yan Li, Jing 1662-7482 Trans Tech Publications, Ltd. General Engineering http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.932 <jats:p>This paper use a single LED light source with wide spectrum to develop a single star simulator of compact structure and high precision. In order to select the spectrum of LED as the light source of star simulators, the spectrum range of simulated star magnitude is researched through Main Star Sequence Diagram. It is found that the spectrum between 2<jats:sup>m</jats:sup>~7<jats:sup>m</jats:sup>magnitudes is basically in accordance with the spectrum range of white light. The PWM current control system with 16 bites controller is employed to adjust LED luminescence through changing the duty ratio of PWM, which ensures the error of drive current less than 0.1%. The experiments show that the LED star simulator has the characteristics of compact structure, economical and easily controlled. The simulated precision of star magnitude attains ±0.1<jats:sup>m</jats:sup>.</jats:p> Design of Single Star Simulator Based on LED Light Source Applied Mechanics and Materials |
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Trans Tech Publications, Ltd., 2013 |
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Trans Tech Publications, Ltd., 2013 |
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2013 |
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Trans Tech Publications, Ltd. |
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Applied Mechanics and Materials |
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49 |
| title |
Design of Single Star Simulator Based on LED Light Source |
| title_unstemmed |
Design of Single Star Simulator Based on LED Light Source |
| title_full |
Design of Single Star Simulator Based on LED Light Source |
| title_fullStr |
Design of Single Star Simulator Based on LED Light Source |
| title_full_unstemmed |
Design of Single Star Simulator Based on LED Light Source |
| title_short |
Design of Single Star Simulator Based on LED Light Source |
| title_sort |
design of single star simulator based on led light source |
| topic |
General Engineering |
| url |
http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.932 |
| publishDate |
2013 |
| physical |
932-935 |
| description |
<jats:p>This paper use a single LED light source with wide spectrum to develop a single star simulator of compact structure and high precision. In order to select the spectrum of LED as the light source of star simulators, the spectrum range of simulated star magnitude is researched through Main Star Sequence Diagram. It is found that the spectrum between 2<jats:sup>m</jats:sup>~7<jats:sup>m</jats:sup>magnitudes is basically in accordance with the spectrum range of white light. The PWM current control system with 16 bites controller is employed to adjust LED luminescence through changing the duty ratio of PWM, which ensures the error of drive current less than 0.1%. The experiments show that the LED star simulator has the characteristics of compact structure, economical and easily controlled. The simulated precision of star magnitude attains ±0.1<jats:sup>m</jats:sup>.</jats:p> |
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| author | Gan, Xin Ji, Gao, Xing Hua, Chen, Yan, Li, Jing |
| author_facet | Gan, Xin Ji, Gao, Xing Hua, Chen, Yan, Li, Jing, Gan, Xin Ji, Gao, Xing Hua, Chen, Yan, Li, Jing |
| author_sort | gan, xin ji |
| container_start_page | 932 |
| container_title | Applied Mechanics and Materials |
| container_volume | 397-400 |
| description | <jats:p>This paper use a single LED light source with wide spectrum to develop a single star simulator of compact structure and high precision. In order to select the spectrum of LED as the light source of star simulators, the spectrum range of simulated star magnitude is researched through Main Star Sequence Diagram. It is found that the spectrum between 2<jats:sup>m</jats:sup>~7<jats:sup>m</jats:sup>magnitudes is basically in accordance with the spectrum range of white light. The PWM current control system with 16 bites controller is employed to adjust LED luminescence through changing the duty ratio of PWM, which ensures the error of drive current less than 0.1%. The experiments show that the LED star simulator has the characteristics of compact structure, economical and easily controlled. The simulated precision of star magnitude attains ±0.1<jats:sup>m</jats:sup>.</jats:p> |
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| physical | 932-935 |
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| series | Applied Mechanics and Materials |
| source_id | 49 |
| spelling | Gan, Xin Ji Gao, Xing Hua Chen, Yan Li, Jing 1662-7482 Trans Tech Publications, Ltd. General Engineering http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.932 <jats:p>This paper use a single LED light source with wide spectrum to develop a single star simulator of compact structure and high precision. In order to select the spectrum of LED as the light source of star simulators, the spectrum range of simulated star magnitude is researched through Main Star Sequence Diagram. It is found that the spectrum between 2<jats:sup>m</jats:sup>~7<jats:sup>m</jats:sup>magnitudes is basically in accordance with the spectrum range of white light. The PWM current control system with 16 bites controller is employed to adjust LED luminescence through changing the duty ratio of PWM, which ensures the error of drive current less than 0.1%. The experiments show that the LED star simulator has the characteristics of compact structure, economical and easily controlled. The simulated precision of star magnitude attains ±0.1<jats:sup>m</jats:sup>.</jats:p> Design of Single Star Simulator Based on LED Light Source Applied Mechanics and Materials |
| spellingShingle | Gan, Xin Ji, Gao, Xing Hua, Chen, Yan, Li, Jing, Applied Mechanics and Materials, Design of Single Star Simulator Based on LED Light Source, General Engineering |
| title | Design of Single Star Simulator Based on LED Light Source |
| title_full | Design of Single Star Simulator Based on LED Light Source |
| title_fullStr | Design of Single Star Simulator Based on LED Light Source |
| title_full_unstemmed | Design of Single Star Simulator Based on LED Light Source |
| title_short | Design of Single Star Simulator Based on LED Light Source |
| title_sort | design of single star simulator based on led light source |
| title_unstemmed | Design of Single Star Simulator Based on LED Light Source |
| topic | General Engineering |
| url | http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.932 |