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Dymola-based multi-parameters integrated optimization for high speed transfer system of LED chip sorter

Jie OUYANG, Bin LI, Shihua GONG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 118-126 doi: 10.1007/s11465-013-0253-y

Abstract:

To enhance the performance of high speed transfer system of LED chip sorting equipment, its control

Keywords： LED chip sorter     multi-domain modeling and simulation     parameter optimization     modelica language    

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Current Situation and Trend of the Phosphors for Full Spectrum LED Lighting

Chen Xiaoxia, Zhang Xia, Liu Ronghui, Liu Yuanhong, Zhou Yipeng, Zhuang Weidong

Strategic Study of CAE 2020, Volume 22, Issue 2,   Pages 71-78 doi: 10.15302/J-SSCAE-2020.02.011

Abstract: justify;">With the increase of the requirements for lighting quality, full spectrum light emitting diode (LEDIn this paper, the key materials for full spectrum LED phosphors are discussed and compared in detailpreparation technology of the present phosphor products, to promote the further development of full spectrum LED

Keywords： full spectrum LED     high-quality lighting     violet LED chip     phosphors    

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An Independent Development Strategy for LED High-End Manufacturing Equipment in China

The Research Group for Independent Development Strategy for High-End Manufacturing Equipment in New-Generation Green Lighting Industry

Strategic Study of CAE 2017, Volume 19, Issue 3,   Pages 142-148 doi: 10.15302/J-SSCAE-2017.03.020

Abstract: achievements and problems of high-end manufacturing equipment in China's Light Emitting Diode (LEDIt also explores opportunities and challenges in the development of LED high-end manufacturing equipmentin China, and proposes strategic targets for the independent development of LED high-end manufacturingIn order to promote industrial ecology within China's LED lighting industry, this study presentsthree strategic approaches for the independent development of LED high-end manufacturing equipment in

Keywords： LED high-end manufacturing equipment     industry symbiosis     industrial chain collaboration     national-levelinnovative platform for high-end manufacturing equipment     LED strategic core firm    

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UV-LED/P25-based photocatalysis for effective degradation of isothiazolone biocide

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1379-x

Abstract:

• UV-LED with shorter wavelength was beneficial for photocatalytic degradation

Keywords： Degradation     Photocatalytic     LED     CMIT     P25    

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Impact factors and pathways of halonitromethanes formation from aspartic acid during LED-UV/chlorine

Frontiers of Environmental Science & Engineering 2024, Volume 18, Issue 1, doi: 10.1007/s11783-024-1770-0

Abstract:

● Cu2+ promoted the formation of HNMs during LED-UV

Keywords： LED-UV265/chlorine     HNMs     Aspartic acid     Bromide     Copper ions    

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Solar photovoltaic fed dual input LED lighting system with constant illumination control

Kinattingal SUNDARESWARAN,Kevin Ark KUMAR,Payyalore Raman VENKATESWARAN,Sankaran PALANI

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 473-478 doi: 10.1007/s11708-016-0420-z

Abstract: A dual input LED lighting scheme with constant illumination is proposed in this paper.

Keywords： photovoltaic     LED light     dual input     P&O algorithm    

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Research and Practice of Meta-synthesis Management for the Government-led Urban Complex Construction

Ru-gui Chen,Jia-meng Chen

Frontiers of Engineering Management 2014, Volume 1, Issue 1,   Pages 52-61 doi: 10.15302/J-FEM-2014008

Abstract: This paper researches the overall construction target of government-led urban complex construction projectsdevelopment.In order to achieve benefit maximization, the meta-synthesis management for the government-ledconstruction project is studied.In order to combine theory and practice, several typical government-ledThese examples point to thefeasibility of government-led meta-synthesis management and demonstrate the

Keywords： government-led construction project     urban complex     meta-synthesis management     sustainable development     benefit    

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Flexible resonant tank for a combined converter to achieve an HPS and LED compatible driver

Jin HU,Hui-pin LIN,Zheng-yu LU,Feng-wu ZHOU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 8,   Pages 679-693 doi: 10.1631/FITEE.1500054

Abstract: Light emitting diode (LED) is expected as the next generation lighting source due to its continuouslyA novel HPS and LED compatible driver is proposed which is rather suitable and flexible for driving HPSand LED in street lighting applications.It inherits the traditional HPS and LED drivers’ zero voltage switching (ZVS) characteristics andThe design of the proposed flexible resonant tank considers the requirements of both HPS and LED.

Keywords： High pressure sodium (HPS)     Light emitting diode (LED)     Compatible driver     Ballast    

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Detection of solder bump defects on a flip chip using vibration analysis

Junchao LIU, Tielin SHI, Qi XIA, Guanglan LIAO

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 29-37 doi: 10.1007/s11465-012-0314-7

Abstract: Solder bump defects on flip chips are difficult to detect, because the solder bumps are obscured by the chipvibration analysis is presented for detecting missing solder bumps, which is a typical defect in flip chipThe flip chip analytical model is revised by considering the influence of spring mass on mechanical energyThis revised model is then applied to estimate the flip chip resonance frequencies.Therefore, it may provide a guide for the improvement and innovation of the flip chip on-line inspection

Keywords： flip chip     defect detection     ultrasonic excitation     vibration analysis    

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Effects of red and blue LEDs on

Lili CHEN, Xuzhang XUE, Yadong YANG, Fei CHEN, Jie ZHAO, Xiquan WANG, Alam Tariful KHAN, Yuegao HU

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 2,   Pages 197-205 doi: 10.15302/J-FASE-2018224

Abstract: The objectives of this study were to investigate the effects of red and blue LEDs on growth and microtuberization of potato ( ) single-node cuttings. Explants were incubated under 6 light treatments: 100% red LEDs (R), 75% red LEDs+ 25% blue LEDs (3RB), 50% red LEDs+ 50% blue LEDs (RB), 25% red LEDs+ 75% blue LEDs (R3B), 100% blue LEDs (B) and white LEDs (W). Most of the growth and physiological parameters were significantly higher in 3RB than W. Enhancement of leaf area and chlorophyll concentrations were obtained in B. Leaf stomata were elliptical with the lowest density in 3RB. However, those in W were round in shape, and those with the smallest size and the highest density were observed in R. Most of the characteristics of microtuberization were also improved in 3RB. The combined spectra of red and blue LEDs increased the number of large microtubers. The fresh weight of individual microtubers in R and W were increased, but not their number. These results suggest that, of the treatments assessed, 3RB is optimal for the growth of potato plantlets and the combination of red and blue LEDs is beneficial for microtuberization.

Keywords： blue LED     microtuber     plant tissue culture     potato plantlets in vitro     red LED    

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Erratum to: Determination of cut-off time of accelerated aging test under temperature stress for LED Article

Jian HAO, Lei JING, Hong-liang KE, Yao WANG, Qun GAO, Xiao-xun WANG, Qiang SUN, Zhi-jun XU

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 10,   Pages 1678-1678 doi: 10.1631/FITEE.1500483

Abstract: 在LED灯具加速老化过程中，为获得最小截止时间，对其寿命进行快速预估，本文采用5阶滑动平均误差方法分析数据。选用同批次的16个样本，分别进行80℃和85℃应力条件下的加速老化。首先，采用e指数对光通维持率进行拟合，获得每个灯具的加速寿命，进而采用威布尔分布对加速寿命进行拟合，获得中位寿命。其次，采用平均滑动误差方法，可获取不同截止时间下中位寿命预估误差。结果表明：加速老化过程中，存在最小截止时间，该时间可通过滑动平均误差和截止时间的关系确定；当截止时间小于该值时，寿命预估不合理；寿命预估误差随截止时间增加而逐渐减小。对于该类LED灯具，80℃时最小截止时间为1104小时，寿命预估误差为1.15%；85℃时最小截止时间为936小时，寿命预估误差为1.24%。当寿命估计误差约为0.46％时，80 ℃和85 ℃对应的中位寿命分别为7310小时和4598小时。

Keywords： LED lamp     Accelerated aging test     Medium lifetime     Moving average error    

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General framework and case study of China’s LED industry

Bin GUO, Peng DING, Frans J. A. M. GREIDANUS, Wen (Helena) LI

Frontiers of Engineering Management 2021, Volume 8, Issue 2,   Pages 284-309 doi: 10.1007/s42524-019-0085-5

Abstract: In addition, this framework is applied to the Chinese LED industry, and a case analysis of the catch-upis performed in Chinese LED firms.

Keywords： framework of catch-up     LED industry     emerging countries    

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Single-chip 3D electric field microsensor

Biyun LING, Yu WANG, Chunrong PENG, Bing LI, Zhaozhi CHU, Bin LI, Shanhong XIA

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 581-590 doi: 10.1007/s11465-017-0454-x

Abstract:

This paper presents a single-chip 3D electric field microsensor, in which a sensing element is set

Keywords： electric field microsensor     three-dimensional     single-chip     in-plane rotation    

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A long-term strategy study on China’s LED lighting development

Liu Hong,Chen Lianghui

Strategic Study of CAE 2011, Volume 13, Issue 6,   Pages 39-43

Abstract: style="text-align: justify;">On the basis of analyzing the current status and development trends of LEDlighting industry in both international and domestic markets, the technical road-map for China's LEDlighting, as well as the research results of long-term energy saving potential of LED lighting underIn the end, some suggestion and policies of how to facilitate China's LED lighting development were

Keywords： LED lighting     development strategy    

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SIMULATION OF O-BLOWN CO-GASIFICATION OF WOOD CHIP AND POTATO PEEL FOR PRODUCING SYNGAS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 448-457 doi: 10.15302/J-FASE-2023490

Abstract:

● Low-value biowaste including wood chip and potato peel was valorized

Keywords： Aspen Plus     co-gasification     potato peel     syngas     simulation     waste reduction     wood chip    

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Title Author Date Type Operation

Dymola-based multi-parameters integrated optimization for high speed transfer system of LED chip sorter

Jie OUYANG, Bin LI, Shihua GONG

Journal Article

Current Situation and Trend of the Phosphors for Full Spectrum LED Lighting

Chen Xiaoxia, Zhang Xia, Liu Ronghui, Liu Yuanhong, Zhou Yipeng, Zhuang Weidong

Journal Article

An Independent Development Strategy for LED High-End Manufacturing Equipment in China

The Research Group for Independent Development Strategy for High-End Manufacturing Equipment in New-Generation Green Lighting Industry

Journal Article

UV-LED/P25-based photocatalysis for effective degradation of isothiazolone biocide

Journal Article

Impact factors and pathways of halonitromethanes formation from aspartic acid during LED-UV/chlorine

Journal Article

Solar photovoltaic fed dual input LED lighting system with constant illumination control

Kinattingal SUNDARESWARAN,Kevin Ark KUMAR,Payyalore Raman VENKATESWARAN,Sankaran PALANI

Journal Article

Research and Practice of Meta-synthesis Management for the Government-led Urban Complex Construction

Ru-gui Chen,Jia-meng Chen

Journal Article

Flexible resonant tank for a combined converter to achieve an HPS and LED compatible driver

Jin HU,Hui-pin LIN,Zheng-yu LU,Feng-wu ZHOU

Journal Article

Detection of solder bump defects on a flip chip using vibration analysis

Junchao LIU, Tielin SHI, Qi XIA, Guanglan LIAO

Journal Article

Effects of red and blue LEDs on

Lili CHEN, Xuzhang XUE, Yadong YANG, Fei CHEN, Jie ZHAO, Xiquan WANG, Alam Tariful KHAN, Yuegao HU

Journal Article

Erratum to: Determination of cut-off time of accelerated aging test under temperature stress for LED

Jian HAO, Lei JING, Hong-liang KE, Yao WANG, Qun GAO, Xiao-xun WANG, Qiang SUN, Zhi-jun XU

Journal Article

General framework and case study of China’s LED industry

Bin GUO, Peng DING, Frans J. A. M. GREIDANUS, Wen (Helena) LI

Journal Article

Single-chip 3D electric field microsensor

Biyun LING, Yu WANG, Chunrong PENG, Bing LI, Zhaozhi CHU, Bin LI, Shanhong XIA

Journal Article

A long-term strategy study on China’s LED lighting development

Liu Hong,Chen Lianghui

Journal Article

SIMULATION OF O-BLOWN CO-GASIFICATION OF WOOD CHIP AND POTATO PEEL FOR PRODUCING SYNGAS

Journal Article