Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 17336 for “"LED"”.
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Sjálfbær LED lýsing
Lokaverkefni mitt er hönnun á tæknilegri útfærslu á búnaði til að gera götulýsingu með ljóstvistum sjálfbæra. Búnaðurinn notar sólarorku og vindorku til framleiðslu á rafmagni til rafgeyma. Stýri-og kerfisbúnaður stjórnar upplýsingum, nýtingu og notkun búnaðar til að hámarka dreifingu rafmagns yfir …
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Multi-Channel Constant Current (MC3) LED Driver for Indoor LED Luminaries
… lighting source, light-emitting diodes (LEDs) have become more and more attractive and have great opportunity to replace traditional lighting sources - incandescent, fluorescent and HID because of the advantages such as high luminous efficacy, long lifetime, quick on/off time, wide color …
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Modul řízení LED osvětlení
… zabývá návrhem a realizací modulu pro ovládání LED osvětlení. Modul je určen k ovládání jasu čtyř LED okruhů. Ovládání je řešeno pomocí IR dálkového ovladače nebo z PC přes USB rozhraní. Modul disponuje režimem „učení“, který umožní ovládání z jakéhokoliv ovladače, který využívá protokol RC5 …
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Examining the Experiences of Athletes in Adult-led and Peer-led Youth Sport
Participation in a combination of adult-led and peer-led activities appears to lead to favourable outcomes in sport (Côté, Erickson, & Abernethy, 2013). However, very little is known regarding the potential differences in how youth experience these distinct activities. Thus, the purpose of this …
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System Maker Files: Practice-led investigation into online system making within Artist-led Initiatives
… PhD. thesis focuses on Internet art-based artist-led curatorial initiatives and the exhibition or artwork development process that takes place within this type of art organisation. The main concern of this investigation is the understanding of creative effect on contemporary Internet practice by …
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Customer-led conceptual design system
… a feasibility study for the design of a Customer-Led Design (CLD) system that will allow individuals or users with little or no technical know-how of engineering design but with an idea of what they want to bring the idea into reality through the customer driven-design system. Customer-Led design …
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Micro-led based optoelectronic tweezers
… in research. In this thesis, the use of micro-LEDs as a compact illumination source in optoelectronic tweezers systems is explored. The emerging technique of optoelectronic tweezers uses light patterns to generate electric field gradients to trap and manipulate single cells. Micro-LEDs offer an …
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Predicate Calculus for Perception-led Automata
… General Intelligence. The problem being handled by mathematics and logic, and only thereafter semantics, is Self-Supervised Machine Learning (SSML) towards Intuitive Vehicle Health Management, in the domain of cybernetic-physical science. The present work stems from a broader engagement with …
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White LED for general illumination applications
… efficient manner. Early light emitting devices (LEDs) were originally limited their use for low power indication lights. Later research produces high brightness LEDs (HB-LEDs) as well as blue color LEDs. This brings to reality of the entire visible light spectrum. White light is also made …
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Teacher-led VS. Peer-led: Discovering a Format for Engaging Literature Discussion In a Seventh Grade Classroom
… in literature class when discussions were peer-led or when discussions were teacher-led. Observations, lasting two weeks, were conducted of two seventh grade classes, a first period and third period class. The teacher led the literature discussion during the first week and students led the …
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Students' Patterns of Thinking in Teacher-Led Large Group Discussions Andstudent-Led Small Group Discussions of Literature
Made available in DSpace on 2014-12-10T18:44:10Z (GMT). No. of bitstreams: 1 7105120.pdf: 5026787 bytes, checksum: 3b1e546d488a7d4cf6532ae6b54a369b (MD5) Previous issue date: 1970
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Learning About LED Lighting Technology Through Patents
… <p>By providing the basic building blocks of LED lighting technology as learned through the teachings of patents and patent applications, this thesis proves that patents and patent applications are valuable resources for learning about technology. The patents and patent applications relied …
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Student-Led Conferences: An Alternative Reporting Method
Student-led conferences, an alternative reporting method, have been used in primary and intermediate schools for several years, both in New Zealand and overseas. This thesis examines the extent to which student-led conferences are effective as a reporting method, how they change teachers' practice, …
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Performing the encounter; a practice-led inquiry
… wit(h)nessing, and artistry. Through a practice-led inquiry, two key projects - Sense of Home and Company in the Gardens - are examined to consider how verbatim theatre can foster attentiveness to the complexities of lived experience while avoiding ethical paralysis in creative work with …
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Critical Cartographies of Transnational Infrastructure-led Urbanization
… has been subjected to China’s infrastructure-led urbanization. As a result, the local fishing community – numbering close to 36,000 - and its eco-system have been impacted and displaced, triggering large-scale protests that have been censored by the state-run media. This thesis is thus a …
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Photonic crystal enhanced LED for electroluminescence cooling
An light-emitting diode (LED) consumes low-entropy electrical power and emits incoherent photons. In this process, the lattice heat also contributes to the output power if the LED operates at voltages below the photon energy (qV < h[omega]). Therefore, an LED can potentially cool itself, and the …
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A High efficiency high power led driver with fault tolerance and multiple led load driving using a coupled Cuk converter
… 20-25% of the energy produced worldwide. LED based lighting is rapidly becoming the preferred choice over incandescent and fluorescent based lighting. LEDs have advantages such as high efficacy, long operating lifetime and excellent lumen maintenance. Therefore, to gain benefits from LEDs …
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The Spirit-Led Preaching of Charles H. Spurgeon
… Spurgeon. It argues that Spurgeon was a Spirit-led preacher by examining six criteria of the Holy Spirit’s ministry for preaching is intentionally and explicitly identified as discussed by Greg Heisler in his book Spirit-Led Preaching. These criteria include the following: (1) the inspiration of …
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A cost effective solar powered led street light
A cost effective solar powered LED street light was designed based on the current solar powered street light installed at Masjid Nurul Huda, Kampung Gentisan, Sepanggar, Sabah, Malaysia. A new load profile is obtained based on a thirty day data collection at site utilizing motion sensor to record …
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THE IMPACT OF FORMAL TEACHER-LED INSTRUCTIONAL COACHING
… leadership that develops and promotes teacher-led instructional coaching. This will enable school leaders to create a shared vision and outline steps to formally add teacher leadership roles in their school organizations. In addition, it will allow for a more streamlined organizational process, …
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