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Journal articles on the topic 'Design Led Research'

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Author: Grafiati

Published: 10 December 2022

Last updated: 29 January 2023

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1

Li, Fei Xiang. "LED Lighting Driver IC Design and Encapsulation Material Research." Applied Mechanics and Materials 539 (July 2014): 559–62. http://dx.doi.org/10.4028/www.scientific.net/amm.539.559.

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Semi-conductor lighting solution LED is developing quickly and now using wider and wider, and will absolutely replace classical lighting solution because of its high efficiency and reliability,long lifetime and low pollution. The development of white LED lighting solution lead to quickly development of the integrated circuits of driving LED,which creates enormous business opportunities. The thesis first describes I-V characteristics and luminous flux curve of LED and its driving circuit briefly. Then display the working theory of buck converter of LED driver. The thesis brings up a buck-mode LED driver which based on switching power supply technology, supplying higher efficiency compared with other driving mode.

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2

Li, Xiang Rong, Hai Peng Wang, and Guo Shuai Li. "Design and Research of LED Intelligent Lighting System." Applied Mechanics and Materials 610 (August 2014): 519–22. http://dx.doi.org/10.4028/www.scientific.net/amm.610.519.

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In order to intelligentize the LED lighting systems,this system adopts the Freescale series MC9S08AC16 as the controller, senses the light environment induced by the photoresistor and uses the SS-101 pyroelectric infrared sensors to sense the presence of people. In addition, it uses LM3404 chip to drive LED headlamp unit and by changing the duty cycle of PWM to achieve the switches and automatic adjustment of brightness of LED lights. Experiments show that the light source brightness provided by this system is stable and reliable and the combination of infrared sensing technology and PWM technology achieves the intelligence of LED lights. Moreover, it has high application value.

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3

Yinhui, Liu, Luo Wei, and Zhao Hang. "Research and design of LED indoor positioning system." E3S Web of Conferences 165 (2020): 04049. http://dx.doi.org/10.1051/e3sconf/202016504049.

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According to indoor positioning requirements, the light intensity sensing circuit is designed with LED as the light source. The function relationship between light intensity and distance is obtained by fitting the experimental data. The distance from the light source to the node to be located is calculated. The coordinate position of the node to be measured on the two-dimensional plane is obtained through the trilateral measurement and positioning algorithm. The experimental results of this system show that the absolute position error is less than 10cm, which can meet the needs of a large number of indoor positioning applications.

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4

Crowther, P. "Exploring the Principles of Design for Disassembly through Design-led Research." IOP Conference Series: Earth and Environmental Science 1101, no. 6 (November 1, 2022): 062031. http://dx.doi.org/10.1088/1755-1315/1101/6/062031.

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Abstract The construction industry is responsible for a significant portion of the solid waste that industrialised nations dispose of each year. One reason for this is the low rates of reuse and recycling, largely due to the difficulties in deconstructing buildings and an inability to easily separate materials and components. If buildings were designed to facilitate deconstruction and the easier separation of the parts, then future material and component recovery would be easier. Previous research into historic examples of deconstruction has identified numerous principles for design for disassembly. This paper presents research that expands on this understanding of design for disassembly though the application of these principles in architectural design projects. A methodology of ‘research through designing’ is implemented to explore the principles and assess their suitability for integration into mainstream construction practice. Several domestic scaled architectural projects were used to trial the principles and the overarching philosophy. This experimentation and research through creative practice, has confirmed the value of the principles of design for disassembly as strategies for the potential reduction of future demolition waste. Further to this, it has made explicit some of the otherwise unrealised consequences or constraints of designing for future disassembly.

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5

CHE Zhen, 车振, 张军 ZHANG Jun, 余新宇 YU Xin-yu, and 陈哲 CHEN Zhe. "Optical Design and Research on Phosphors for White LED." Chinese Journal of Luminescence 36, no. 10 (2015): 1220–26. http://dx.doi.org/10.3788/fgxb20153610.1220.

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6

Pang, Bin, Wenjin Fan, and Xiaodong Xie. "P‐8.5: Research on LED Pad Design in Glass‐based Mini LED Backlight." SID Symposium Digest of Technical Papers 53, S1 (October 2022): 884–87. http://dx.doi.org/10.1002/sdtp.16129.

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7

Cain, Helen, Richard Strugnell, and Frederic Hollande. "Curriculum design for research-led teaching: Molecule to Malady." Microbiology Australia 37, no. 2 (2016): 65. http://dx.doi.org/10.1071/ma16022.

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Modern medicine is increasingly characterised by a personalised approach to treatment through producing therapies that target specific biological processes. When planning the new Bachelor of Biomedicine (BBiomed) degree, one of two completely new undergraduate courses crafted as part of the ‘Melbourne Curriculum’ introduced by The University of Melbourne in 2008, the paradigm that medical interventions should be evidence-based and driven by a molecular understanding of the cause of disease was a key design parameter. Our intention in developing the curriculum for Biomedicine: Molecule to Malady (M2M), a third-year compulsory capstone subject of this new BBiomed degree, was to enhance the ability of students to apply their core cross-disciplinary knowledge to unfamiliar problems in translational medicine by having expert clinicians/researchers explain the scientific reasoning applied to the development of disease interventions in their specialist areas.

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8

Liu, Peisheng, Chenhui She, Lipeng Tan, Pengpeng Xu, and Lei Yan. "Development of LED Package Heat Dissipation Research." Micromachines 13, no. 2 (January 30, 2022): 229. http://dx.doi.org/10.3390/mi13020229.

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LEDs are widely used in medicine, navigation and landscape lighting. The development of high-power LED is a severe challenge to LED heat dissipation. In this review, packaging technology and packaging structure are reviewed in terms of the thermal performance of LED packaging, and related technologies that promote heat dissipation in LED packaging are introduced. The design of three components to enhance heat dissipation in LED packaging is described: substrate, lens and phosphor layer. By conducting a summary of the technology and structure of the package, the defects of LED package technology and structure are deeply investigated, and the package is prospected. This has reference value for the heat dissipation design of the LED package and helps to improve the design and manufacture of the LED package.

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9

Till, Jeremy, Judith Mottram, and Chris Rust. "Adapting research activity AHRC review of practice-led research." Architectural Research Quarterly 9, no. 2 (June 2005): 103–4. http://dx.doi.org/10.1017/s135913550500014x.

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In 2005 the Arts and Humanities Research Council initiated a review of practice-led research in art, design and architecture. The purpose of the review was to develop a ‘comprehensive map of recent and current research activity in the area’. What quickly became obvious to the team that won the bid to run the review (led by the three authors) was that to map activity one first had to attempt to define it. The term ‘practice-led research’ means many different things to different people and so immediately raises debate. The positions range from those who believe that the act of making or designing alone constitutes research, to those who believe that research (as analytical activity) is incommensurable with design (as synthetic activity). For the former, the knowledge contained within the artefact is self-evident and beyond the need for additional explication; for the latter, knowledge resides outside the artefact and in the realm of its dissemination and interpretation. The importance of the AHRC review is not that it will settle these arguments, but that it will provide a much firmer context in which to place them.

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10

Liang, Guo Chao, and Cai Feng Cao. "Research and Implementation of LED Optical Design Focused Web Crawler." Applied Mechanics and Materials 543-547 (March 2014): 2941–44. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.2941.

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The LED optical design focused web crawler is proposed based on Shark-Search and topical dictionary. Then the crawling strategy is implemented by extending the web crawler Heritrix. The experimental results show that the design scheme (Topic-First) and its web crawler LED-Crawler can effectively capture the LED optical design relevant web pages. And compared to general search engines, LED-Crawler can improve the accuracy.

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11

Luo, Yuan, Ti Wei Wei, Zheng Wei Tang, and Wei Xi Kong. "The Design Research of Single-Chip High Power LED Radiator." Applied Mechanics and Materials 103 (September 2011): 219–24. http://dx.doi.org/10.4028/www.scientific.net/amm.103.219.

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As new generation of solid-state lighting source with green environmental protection, White LED has become the focus of attentions. Along with the development of high power LED, heat dissipation problems of LED become more and more important. This paper makes research on single-chip high power LED by ANSYS finite element software, and analyzes the thermal effects of parameters on the radiator. This paper believes that the influence of radiator materials’ thermal conductivity is not obvious, and the finned height and cooling area of radiator play an very important role in reducing chip junction temperature.

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12

Yang, Hai Bo, and Shao Liang Chang. "A LED Reflector Design and Research for Uniform Rectangular Illumination." Applied Mechanics and Materials 217-219 (November 2012): 699–702. http://dx.doi.org/10.4028/www.scientific.net/amm.217-219.699.

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In order to utilizing the light flux reasonably and effectively, the LED reflector which is designed according to light reflection principle, makes the light emitted from LED resource spread in a specific direction through reflection. The problems about LED oblique illumination are described in the paper. By comparing the optical properties of elliptical and parabolic and using the optical modeling software, a compound trough reflector is designed. The irradiance map of optical simulation shows that a uniform rectangular spot is shaped on the lighting plane and the optical efficiency reach up to 72.3％.

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13

Bayneva, I. I., and V. I. Shkarin. "RESEARCH AND COMPUTER DESIGN LIGHTING INSTALLATIONS WITH LED LIGHTING DEVICES." Spravochnik. Inzhenernyi zhurnal, no. 286 (January 2021): 39–45. http://dx.doi.org/10.14489/hb.2021.01.pp.039-045.

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The article discusses the main issues of energy conservation in lighting in the face of a growing shortage of energy resources. Estimated reserves of energy savings in lighting. The urgent tasks of designing modern lighting make it possible to identify the most efficient light sources and lighting devices, ways to ensure energy and lighting savings, and ways to increase the energy efficiency of an industrial plant lighting system. The basic provisions for the use of LED lighting devices for lighting industrial premises are given. The requirements for artificial production lighting, regulated by various regulatory documents, are considered. The possibilities of DiaLux program for lighting modeling are analyzed. Lighting projects have been developed for various sections of the galvanic shop with LED lights in DIALux. A comparative analysis of the energy efficiency of indoor lighting projects using LED and fluorescent lamps demonstrates the obvious use of LED lighting devices for lighting industrial premises.

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14

Liao, Wei Qiang, Zhi Yun Luo, and Guang Zhi Yao. "Research and Design of LED Base Board Automatic Processing System." Applied Mechanics and Materials 263-266 (December 2012): 600–603. http://dx.doi.org/10.4028/www.scientific.net/amm.263-266.600.

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Designed one simple and usefully LED base board automatic machining device, which could control the aiguille to three-dimensional. The machine connected to PC and directly control by PC, which easy to learn with friendly interface.

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15

Li, Zhen Dong. "Research of LED Solar Insecticides Lamp." Advanced Materials Research 1079-1080 (December 2014): 562–65. http://dx.doi.org/10.4028/www.scientific.net/amr.1079-1080.562.

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In this paper, we design a modified insecticides lamp, LED the device by using solar battery as a power supply, high voltage power grid as a hunting tool, through the MCU drive different wavelength of LED strobe. Compared with ordinary insecticides lamp insecticide effect, improved the LED insecticides lamp peculiar four-color stroboscopic technology can be more traps in pests. By sampling clock chip and humidity sensitive resistor, the device will automatically work in spring and summer clear night, met YinYuXue fog and other adverse weather will automatically shut down. The device can be applied to farmland, orchards and other places of a large area of farming, and human nature, energy saving, environmental protection, for the development of LED insecticides lamp provides a new train of thought.

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16

Petelin, George. "Visual Art Doctorates: Practice-Led Research or Research Per Se?" Media International Australia 118, no. 1 (February 2006): 25–33. http://dx.doi.org/10.1177/1329878x0611800105.

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As part of a benchmarking project commissioned in 2002 by ACUADS, the Australian Council of University Art and Design Schools, I conducted a series of focus groups with candidates for higher degrees in Visual Art in Australia in order to gain some insight into how the terminology of research was understood and used by visual art higher degree students. The present paper makes use of that data and examines to what extent practice-led research can engage in a general research debate.

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17

Hocking, Viveka Turnbull. "Design with a Thousand Faces: Design-Led Methods for the Social Science Research Community." International Journal of Interdisciplinary Social Sciences: Annual Review 4, no. 3 (2009): 1–16. http://dx.doi.org/10.18848/1833-1882/cgp/v04i03/52859.

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18

Rendell, Jane. "Architectural research and disciplinarity." Architectural Research Quarterly 8, no. 2 (June 2004): 141–47. http://dx.doi.org/10.1017/s135913550400017x.

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There are at present considerable concerns with how architectural research will be assessed in the Research Assessment Exercise (RAE) of 2008. In RAE 2001, most architectural research was submitted to one of three Units of Assessment (UoA): 33 Built Environment, 60 History of Art, Architecture and Design, and 64 Art and Design. There were subtle, but important, differences in output definition and assessment criteria between UoA 33 and UoA 64 with respect to practice-led research. Most importantly, in UoA 33 practice-led outputs were accepted by the panel, but only as publications, whereas UoA 64 assessed practice-led research outputs accompanied by a 300-word statement that clarified the contributions of that particular research to the development of original knowledge in the field. The diversity of methods and complexity of output types, combined with the composition of UoA 33, led to results that many feel did not properly reflect the strengths of architectural design, particularly practice-led research. This methodology essentially disenfranchised a significant part of the community from the rae process to the detriment not only of the community, but to the credibility of the process itself.

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19

Knight, Rachael-Anne, and Nicola Botting. "Organising undergraduate research projects: student-led and academic-led models." Journal of Applied Research in Higher Education 8, no. 4 (October 10, 2016): 455–68. http://dx.doi.org/10.1108/jarhe-07-2015-0054.

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Purpose The purpose of this paper is to address the management of undergraduate final year research dissertations. It intends to explain and clarify the experience of two models of delivery (student-led/academic-led) with reference to interest development theory (Hidi and Renninger, 2006). Design/methodology/approach The authors focus on the advantages and drawbacks of each model within the context of the research literature, and describe a case study of the experiences of lecturers and students in one division of a metropolitan UK university, running a leading programme in speech and language therapy (pathology). Recommendations are made which are intended to be of use to colleagues across disciplines and organisations. Findings The authors argue that a delivery where students can choose their research topic from a limited set suggested by supervisors (academic-led model) is best placed to meet motivational challenges in Hidi and Renninger’s framework, and also increase feasibility for staff. The authors discuss how such a model might best be implemented. Originality/value Describing case study experiences within a conceptual framework is important for the development of improved supervision methods. It is hoped that this case study paper will inform other institutions by providing clear theoretical underpinnings and practical recommendations; and that it will lead to further empirical research into models of organising final year dissertations.

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20

王, 至知. "Design and Research of New LED Lamp Used in Basketball Court." Optoelectronics 12, no. 01 (2022): 31–42. http://dx.doi.org/10.12677/oe.2022.121004.

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21

Ma, Shu Qing, and Chuan Jun Wang. "The Design of the High-Power LED Constant Current Drive Circuit and Research." Advanced Materials Research 1021 (August 2014): 196–99. http://dx.doi.org/10.4028/www.scientific.net/amr.1021.196.

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Abstract:Although high power LED is not large to replace the traditional lighting lamps and lanterns, but they are in indoor and outdoor decoration, special lighting is more and more widely used, so master the design of the high-power LED constant current drive technology, is very important to open up a new application of high power leds. LED by power and luminous brightness can be divided into high power LED, high brightness LED and common LED. In general, the power at least above 1 w high power LED, is more common with 1 w, 3 w, 5 w and 8 w and 10 w. Has large quantities of application are 1 w and 3 w LED, as w and 5 w, 8 to 10 w LED application is relatively small. Electronic and lighting industry are extremely concerned about the development and application of new technology of LED lighting. Constant current driver and improve the optical efficiency of LED is the two key problems of LED application design.

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22

Liu, Y. T., and C. F. Lu. "Development and Research of LED Outdoor Lighting Based on Leisure Park Environment." Advanced Materials Research 215 (March 2011): 223–27. http://dx.doi.org/10.4028/www.scientific.net/amr.215.223.

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LED is getting more and more attention in the application of LED outdoor lighting design, this articles focus on the irrationality of structure and sculpture design about LED outdoor lighting, design a plan of LED lawn lamp based on the leisure park environment through deeply analyzing the design standard of outdoor lighting, application environment and customer psychology demand, to provide reference for better promoting and usage in LED outdoor lighting.

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23

Cui, Meng, and Yu Lin Qi. "Research and Design of Urban LED Street Lamp Wireless Management System." Applied Mechanics and Materials 602-605 (August 2014): 2893–96. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.2893.

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This article will Wave Mesh wireless ad-hoc network technology is applied to urban LED street lamp management system,with the single chip microcomputer 80C51F310 as the core,using real-time sensor testing environment brightness, and according to the brightness level of brightness, the LED street light illumination automatic adjustment;Aiming at the condition of the midnight staff less activity,using pyroelectric infrared human detection to control the brightness of the street lamp, the experimental data proved that energy saving effect is remarkable.The system safe and reliable, low cost,It has the advantages of single lamp remote monitoring,automatic dimming,electric energy measurement,alarm,fault diagnosis and fault location,etc.

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24

Wright, Natalie, and Cara Wrigley. "Broadening design-led education horizons: conceptual insights and future research directions." International Journal of Technology and Design Education 29, no. 1 (November 4, 2017): 1–23. http://dx.doi.org/10.1007/s10798-017-9429-9.

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25

Yang, Xian Yi, Yang Liu, and Yu Zhen. "Material Research of Eco-Product Design." Materials Science Forum 620-622 (April 2009): 263–66. http://dx.doi.org/10.4028/www.scientific.net/msf.620-622.263.

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During the last thirty years people have continued to poison the planet with pesticides and other toxic chemicals, which has led to the destruction of ecosystems and the extinction of many species. More recently people have realized that they too are now threatened by human actions. The ultimate design challenge of the twenty-first century is to avoid or minimize the adverse impacts of all products on the environment. Material as the basis of the product can not be neglected. Like all challenges, this constitutes both a demand and an opportunity - to steer the debate on more sustainable patterns of production and consumption.

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26

Shih, Ju Yi, Shu Ling Lai, and Huai Tzu Cheng. "Design and Applications of LED Textiles." Advanced Materials Research 821-822 (September 2013): 453–58. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.453.

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As a new and efficient light source, LED has the advantages of long service life, low power consumption, small volume, light weight, rich color and fast response. Therefore, LED seems apparently quite suitable for functional apparel design, and becomes an important item of development, exhibition and promotion for research institutions and the clothing industry. In the recent years, the development trend of textile application of LED is changed from simple light bulb and light bar to the emergence of new material, including soft packaging, optical fiber, LED yarn, and organic light emitting diode. This paper describes components and systems of LED, textile application material and using method, concept illustration and design idea of some selected application cases. The purpose of this paper is to spread the knowledge of function, esthetics and practical value which displayed by the LED application in clothing, and improve both customer acceptance and market potential of luminous dresses in the clothing market.

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27

Candy, L., S. Amitani, and Z. Bilda. "Practice-led strategies for interactive art research." CoDesign 2, no. 4 (December 2006): 209–23. http://dx.doi.org/10.1080/15710880601007994.

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28

Lu Xiangyou, 鲁祥友, 戴林 Dai Lin, 鲁飞 Lu Fei, 方舒超 Fang Shuchao, and 周可 Zhou Ke. "Design and Heat Dissipation Research of Micro Heat Pipe Automobile LED Headlamp." Laser & Optoelectronics Progress 55, no. 11 (2018): 112301. http://dx.doi.org/10.3788/lop55.112301.

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29

Bell, David, and Mark Jayne. "‘Design-led’ Urban Regeneration: a Critical Perspective." Local Economy: The Journal of the Local Economy Policy Unit 18, no. 2 (May 2003): 121–34. http://dx.doi.org/10.1080/0269094032000061396.

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This paper develops a critical perspective on ‘design-led’ urban regeneration, which is a fuzzy term used to describe a diverse raft of economic development strategies. A definition of design is outlined and then utilised in an assessment of a number of local and regional design-led urban regeneration schemes. A more detailed critique of one such project, the North Staffordshire Design Initiative, is then undertaken. We argue that there is a lack of best practice models and empirical research to guide policy makers.

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30

Zhou, Jing, Christopher Kueh, and Yi Lin. "Assessing the Applicability of Three Approaches to Design-Oriented Research." Journal of Contemporary Educational Research 5, no. 8 (August 30, 2021): 36–40. http://dx.doi.org/10.26689/jcer.v5i8.2411.

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The three main approaches in inquisitive research design are qualitative, quantitative, and mixed methods [1]. However, recent developments in the research field have resulted in multiple other approaches, borrowing ideas from a broad range of fields. One such approach is the practice-led approach. This approach involves an efficient design process, novel qualitative interviewing methods, together with data mining procedures from quantitative data collection [2]. This paper assesses the practice-led approach used in user experience (UX) design, together with three approaches: co-design, service design, and reflective practice.

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31

Lindley, Joseph, Haider Ali Akmal, and Paul Coulton. "Design Research and Object-Oriented Ontology." Open Philosophy 3, no. 1 (January 24, 2020): 11–41. http://dx.doi.org/10.1515/opphil-2020-0002.

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AbstractIn this paper we recount several research projects conducted at ImaginationLancaster (http://imagination.lancs.ac.uk) a Design-led research laboratory, all of which consider Object-Oriented Ontology (OOO). The role OOO plays in these projects is varied: as a generative mechanism contributing to ideation; as a framework for analysis; and as a constituent in developing new design theory. Each project’s focus is quite unique—an app, a board game, a set of Tarot cards, a kettle and a living room—however they are all concerned with developing new understandings relating to the ubiquitous, networked, ‘smart’ technologies which are often referred to as the Internet of Things (IoT). Through our reflexive account of these research projects the aim of this paper is to provide insights into, and promote new discussion about, the relevance and scope for OOO in socio-technical Design Research, and beyond.

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32

Roggema, Rob. "City of Flows: The Need for Design-Led Research to Urban Metabolism." Urban Planning 4, no. 1 (February 21, 2019): 106–12. http://dx.doi.org/10.17645/up.v4i1.1988.

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The design of cities has long ignored the flows that shape the city. Water has been the most visible one, but energy and materials were invisible and/or taken for granted. A little over 50 years ago, Abel Wolman was the first to illuminate the role of water flows in the urban fabric. It has long been a search for quantitative data while the flows were mostly seen as separated entities. The fact they invisibly formed the way the city appears has been neglected for many years. In this thematic issue the “city of flows” is seen as a design task. It aims to bring to the fore the role flows can play to be consciously used to make spatial decisions in how and where certain uses and infrastructure is located. Efficient and sustainable.

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33

Zhao, Xu Sen, and Shuo Bai. "The Research and Design of the Adaptive Automotive Headlamps Based LED System." Applied Mechanics and Materials 742 (March 2015): 753–57. http://dx.doi.org/10.4028/www.scientific.net/amm.742.753.

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A new control scheme with self-adaption is put forward in this paper. The digital control and the analog circuit are combined. A light intensity sensor can be implemented with a photoelectric triode. This sensor makes the self-adaptation control of LED possible. As a result, the light of LED can be adjusted automatically with a PWM chopper according to the ambient brightness. The whole system’s power supply is from a Boost converter which has a high efficiency. In addition, This combination improves the hommization of the system and solves the problems existing incurrent headlamps, unsafe factors are also reduced. The validity of design is verified by experimental results.

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34

Eckart, Jochen, Heiko Sieker, Kala Vairavamoorthy, and Kamal Alsharif. "Flexible design of urban drainage systems: demand led research for Hamburg-Wilhelmsburg." Reviews in Environmental Science and Bio/Technology 11, no. 1 (October 21, 2011): 5–10. http://dx.doi.org/10.1007/s11157-011-9256-5.

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35

Chen, Li Na. "Research on LED Based on the Adjusting and Combining of Modularization." Applied Mechanics and Materials 101-102 (September 2011): 72–76. http://dx.doi.org/10.4028/www.scientific.net/amm.101-102.72.

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Based on existing study on LED modularization, how to make flexible and convenient modular adjustments and combination on LEDs is studied in order to serve as requirements of LED’s functions and modeling. This research laid emphasis on the recombination of LEDs inside the module and the adjustments of modules. Combining with the theories of man-machine engineering, product system design, innovative design thinking and techniques in the product development, a set of systematic design procedures and methods on LED modular adjustments and combination were set up. With the application of research results, the author constructed a flexible and convenient LED lawn lamp which can make modular adjustments and combination.

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36

Xu, Qiang, Qian Zhang, Kai Chun Ren, Xing Qi Zhang, and Shi Gang Li. "Adaptive Control Research and Design Based on STC Single-Chip Microcomputer." Advanced Materials Research 516-517 (May 2012): 1678–82. http://dx.doi.org/10.4028/www.scientific.net/amr.516-517.1678.

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This paper analyses the characteristics and the glowing use value of LED lights, using STC series microcontroller design a system of LED which can automatically adjust the light according to the environment changes. The control system consists by the data acquisition module and control module and circuit driver module. This paper gives the control circuit hardware and software design. This system has many advantages such as energy conservation and environmental protection and longevity when compared with the conventional lighting system.

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37

Shen, Yang Chao, Ze Hua Fan, Guo Jun Zuo, Chao Yang Gong, and Wen Jun Zhang. "Research and Design on Intelligent Outdoor Solar Charging Station." Advanced Materials Research 301-303 (July 2011): 1528–32. http://dx.doi.org/10.4028/www.scientific.net/amr.301-303.1528.

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To solve the current problems of monotonous forms in solar charging and various electrical equipment recharging, an intelligent and multi-functional solar energy charging system was designed, which can charge electric bicycles as well as various digital products. This system also can store electrical energy for LED for night use.

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38

McIntosh, Jacqueline, and Bruno Marques. "Designing for culturally-diverse communities. The role of collaborative, interdisciplinary design-led research." Journal of Public Space 2, no. 3 (December 9, 2017): 21. http://dx.doi.org/10.5204/jps.v2i3.109.

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<p>Successful design for culturally-diverse communities hinges on a nuanced understanding of the cultural environment; building trusting relationships and fostering a respectful approach to community. This paper discusses the application of design-led research with a participatory mind-set and maintains that while a collaborative, interdisciplinary participatory design process is essential, a design-led research approach is particularly valuable. Blurring the boundaries between disciplines brings the users to the forefront of design as active co-creators, sharing ideas, tools and methods. It examines two projects – a Tokelau / Pasifika cultural museum exhibition involving museum curators, architects, interior designers, photographers and local community members; and a Māori landscape regeneration project in the Wairarapa region of Wellington – wherein the designers (in this case the students) took the role of facilitator rather than providing a hierarchical and potentially adversarial approach to community design decision-making. The research project was framed around three critical stages: design analysis (holistic context), design exploration and testing (exploring design scenarios), and design synthesis (agreed plan or direction). It finds that participatory design when performed correctly can increase the capacity for community engagement; provide substantial benefits to the design outcomes; and beneficially exploit the process of design-led research. In addition to the community benefits, this interdisciplinary and collaborative research process can create new opportunities for architectural design education as it educates students as world citizens. As such it has the potential to transform architectural practice.</p>

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Wang, B., Sandy To, C. F. Chueng, and W. K. Wang. "Lighting Design of Extended Light Source." Key Engineering Materials 552 (May 2013): 103–7. http://dx.doi.org/10.4028/www.scientific.net/kem.552.103.

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A workflow of LED lighting design will be discussed in the paper. And it will analyze the influence of different LED die size distribution. It will present the design method how to design from spot source to line source and then to extended source in the mathematic theory. It means to research from 2D to 3D design about LED light source.

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Wang, Jing, Yi Xi Cai, Chun Zhang, Xin Jie Zhao, Xiao Hua Li, and Jing Wang. "Thermal Design of Automotive Headlamp with High Power LED." Applied Mechanics and Materials 457-458 (October 2013): 649–54. http://dx.doi.org/10.4028/www.scientific.net/amm.457-458.649.

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With an urgent need for energy conservation and pollution reduction, the trend of replacing traditional incandescent or fluorescent lamps with high-power LEDs is growing more and more popular. However, heat dissipation of high-power LED is the main bottleneck for its application. In this research, a kind of automotive headlamp low beam system model is designed with high power LED chips. Several different cooling devices are designed for headlamp cooling, the heat dissipation performances are simulated and analyzed both by the finite volume method (FVM) in FloEFD and experimental measurements. The obtained results indicate that loop heat pipe combined with fined heat sink is the most effective way for heat dissipation in the designed automotive low beam system, even in 80¡æ environmental temperature can ensure the LED headlamp system working stability. The research lays a theoretical basis for the follow-up study.

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Jin, Hong Wen. "Research on Temperature Reduction Scheme Design of LED Electronic Screen in Some Mansion." Advanced Materials Research 512-515 (May 2012): 2709–12. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.2709.

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This paper regards the working temperature limit of LED advertising screen in some mansion as the calculation criterion, conducts the temperature reduction scheme design in allusion to the particular operating requirements, calculates the heat gains and losses of LED screen accurately, and controls the temperature required by the environment well. It puts forward the excellent solutions for the temperature reduction treatment of the unconventional space, and explores a new way for the temperature reduction treatment of the space environment with the unconventional operating requirements in the future.

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Wee Hoe, Tan. "Student-led Gamification in the Undergraduate Design History Course." International Journal of Creative Multimedia 1, no. 2 (September 30, 2020): 1–17. http://dx.doi.org/10.33093/ijcm.2020.1.2.1.

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This paper present an account of a student-led gamification practice in an undergraduate Design History course. The purpose of this action research study was to improve the teaching practice, while affording the students to enjoy the process of developing content knowledge and historical thinking skills in the history lesson.

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Gao, Huai Ju, Li Yuan Yu, and Ping Juan Niu. "Research on the Utilization of AR Coating to Improve the LED Luminous Efficiency." Advanced Materials Research 301-303 (July 2011): 208–12. http://dx.doi.org/10.4028/www.scientific.net/amr.301-303.208.

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The main content of this paper is to conduct the structure design of the surface AR coating used to improve the LED luminous efficiency, and study the different structural parameters of AR coating under different circumstances. Use transfer matrix method to simulate and calculate the optical character of different surface structures of AlGaInP LED, and then carry out the simulation on the data. Besides, it also considers the impact of gradient layer on the transmission rate of film and designs the parameters that are close to the experimental conditions.

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Millward, Huw, Peter Dorrington, and Alan Lewis. "Challenges in Implementing Design-Led Technologies in Small Manufacturing Companies." Industry and Higher Education 18, no. 6 (December 2004): 377–84. http://dx.doi.org/10.5367/0000000042683610.

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This paper examines some of the challenges of implementing design-led technologies, such as computer-aided design (CAD), in the context of small manufacturing companies. The research is based on university-company collaborations in the UK using the Knowledge Transfer Partnership (KTP) model, and the paper adopts a case-study approach based on three such partnerships. The authors assess the operational impact of design-led technologies in three key areas: lead times, project costs and product quality. The general design-based challenges are evaluated by examining the management and new product development culture in small manufacturing companies.

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Kim, Hye Eun. "A Research into the Characteristics of Fashion/Textile Design Practice-Led PhD Theses in the UK." Journal of the Korean Society of Costume 65, no. 6 (September 30, 2015): 48–62. http://dx.doi.org/10.7233/jksc.2015.65.6.048.

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Zhu, Juan Hua, Ang Wu, and Juan Fang Zhu. "Research and Design of Digital Clock Based on FPGA." Advanced Materials Research 187 (February 2011): 741–45. http://dx.doi.org/10.4028/www.scientific.net/amr.187.741.

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A digital clock system designed by using VHDL hardware description language is presented in this paper. The proposed architecture fully utilizes the digital clock system available on FPGA chips based top-down design method in the Quartus II development environment. The Clock system is divided into four design modules: core module, frequency_division module, display module and tune module. It not only can time accurately and display time, but also can reset and adjust time. The LED lights will flash and the loudspeaker will tell time on the hour. The architecture is implemented and verified experimentally on a FPGA board. Because of the universality of digital clock and the portability of VHDL language, it can be applied directly in various designs based on FPGA chip.

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Shaw, Dein, and Yan Ching Huang. "Design of a LED Module with Special Constraint." Applied Mechanics and Materials 284-287 (January 2013): 2704–10. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.2704.

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LED gradually replaces light source in many fields, it becomes more and more important. For the purpose of letting LED more effective, people usually use secondary optical lens to improve the optical quality. In this research, reflector and lens are used to compose a LED light module. In this study, a LED module is designed to meet the specific requirement of the illumination. It was found that changing lens thickness and lens position can improve the uniformity and the size of light patch. As a result, we found parameters about lens for best results. In the design process, we realized that uniformity can be increased by decreasing D10 value of the light. The best result of simulation was found (which are in the form of point data). We used polynomials to fit the contour of LED module of point data and used it to extend the reflector contour of calculated results. The size of light patch of LED contour with reflector-masked and point data is much smaller than with polynomials.

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Liu, Bing, Tao Wu, Hao Du, Zhi Qiang Xiang, and Chun Hua He. "Research and Exploration of Intelligent Brightness Control." Advanced Materials Research 655-657 (January 2013): 1415–18. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.1415.

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With the development of science and technology, the requirement of intelligent control and energy save increases rapidly. From the above two points, a new design scheme of LED light brightness control is proposed in this paper. The brightness would be kept constant in the designated region. The constant brightness is realized by the illumination of the surrounding and LED light. The total circuit includes detection circuit and control circuit. The detection circuit is used to examine the outside brightness and transfer information to the control circuit. The control circuit determines the current of LED light.

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Hangga, Arimaz, Alim Muanifatin Nisa, Dewangga Pratama, and Muchlisin Apriliyanto. "Simulasi Pencahayaan Buatan untuk Ruang Kelas dengan Tipe Armature TL LED dan Bohlam LED." Jurnal Teknik Elektro 11, no. 2 (December 23, 2020): 61–66. http://dx.doi.org/10.15294/jte.v11i2.26902.

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Classroom light intensity is one of the essential factors in the learning process. Several factors affect light intensity in the classroom, i.e., determination of classroom design, position of objects in the classroom, window design, shading devices, type of lamp, and type of lamp armature. The research aims to determine the effect of armature lamp type. The results of this research are expected to increase the efficiency of electricity costs and use the classroom optimal lighting system according to Indonesian National Standard (SNI). Two types of lamp armature used in this research i.e. LED tube armature and LED bulb armature. This research used E11-210 classroom in E11 Building of Electrical Engineering Department, Universitas Negeri Semarang with the size of 12m x 9m x 3.5m. Simulation in this research used Dialux Evo 9 software. The results of observations and simulations show that E11-210 classroom had not followed SNI yet, in 350 lux. Based on simulation results, it shows that using LED tube armature and LED bulb armature will get light intensity of E11-210 classroom that follow SNI 6197:2011. Simulation results show that the use of LED tube armature (Powerbalance Gen2 RC463B) in E11-210 classroom will increase efficiency of electricity costs by 27.81%. Meanwhile, the use of LED bulb armature (Luxspace Ace Acccent RS750B) in E11-210 classroom will increase efficiency of electricity costs by 33.96%.

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Bayneva, Irina I., and Vitaly V. Baynev. "Computer Modelling And Experimental Research of Led Optical Systems." Issue 03-2021, no. 03-2021 (June 2021): 37–42. http://dx.doi.org/10.33383/2021-022.

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The paper considers the problem of design of modern light devices (LDs) based on LEDs and their optical systems (OSs). LEDs optical systems provide developers with opportunities to implement a variety of modern lighting tasks. In the market of competing products, it is often necessary to calculate and produce LED optics for specific lighting problems. The main one is the formation of a given distribution of illumination over the surface of the object. In comparison with existing lens and reflective OSs, individual projects with their own developed elements can give the desired result. The most popular services in LED lighting are the development of LED optics according to the customer’s specifications, lighting of the simulated product, development of 3D models for further production. The main stage in its development is the calculation and modelling of the OS. The results of this process are largely determined by the complex of lighting, thermal and functional characteristics of LDs. The development of modern LED LDs is inextricably linked with the use of specialized software. The article describes a mathematical model of the geometry of an OS that allows researcher to specify its shape for further design and provides a fast and accurate lighting calculation. To model objects, triangulation grids are often used, which makes it possible to fine tune their shape. To simplify the process of forming smoothed 3D surfaces, an edge was introduced as an auxiliary element of a triangulation grid. It makes it possible to simplify the process of approximating smooth surfaces without increasing the density of this grid. The developed software allows you to build optical surface models, perform ray tracing and calculate photometric body (PB). The article describes the simulation of LED OSs by the example of secondary LED optics. Computer simulation and prototyping of LED modules (LEDMs) for road lighting was carried out. 3D-models, a PB and curves of luminous intensity of LEDMs are received. The thermal imager an experimental study of the luminous and thermal characteristics of these modules was carried out. The results of the experiment showed very good agreement with the calculated models.

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