Relevant bibliographies by topics / Solar tracker

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Solar tracker'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 May 2022

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Journal articles on the topic "Solar tracker"

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Kuttybay, Nurzhigit, Ahmet Saymbetov, Saad Mekhilef, Madiyar Nurgaliyev, Didar Tukymbekov, Gulbakhar Dosymbetova, Aibolat Meiirkhanov, and Yeldos Svanbayev. "Optimized Single-Axis Schedule Solar Tracker in Different Weather Conditions." Energies 13, no. 19 (October 7, 2020): 5226. http://dx.doi.org/10.3390/en13195226.

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Improving the efficiency of solar panels is the main task of solar energy generation. One of the methods is a solar tracking system. One of the most important parameters of tracking systems is a precise orientation to the Sun. In this paper, the performance of single-axis solar trackers based on schedule and light dependent resistor (LDR) photosensors, as well as a stationary photovoltaic installation in various weather conditions, were compared. A comparative analysis of the operation of a manufactured schedule solar tracker and an LDR solar tracker in different weather conditions was performed; in addition, a simple method for determining the rotation angle of a solar tracker based on the encoder was proposed. Finally, the performance of the manufactured solar trackers was calculated, taking into account various weather conditions for one year. The proposed single-axis solar tracker based on schedule showed better results in cloudy and rainy weather conditions. The obtained results can be used for designing solar trackers in areas with a variable climate.
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Taheem, Anubhav. "Solar Tracker: A Review." Journal of Advanced Research in Alternative Energy, Environment and Ecology 06, no. 3&4 (December 25, 2019): 34–50. http://dx.doi.org/10.24321/2455.3093.201905.

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Hashim, Irfan Danial, Ammar Asyraf Ismail, and Muhammad Arief Azizi. "Solar Tracker." International Journal of Recent Technology and Applied Science 2, no. 1 (March 18, 2020): 59–65. http://dx.doi.org/10.36079/lamintang.ijortas-0201.60.

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Solar Tracker The generation of power from the reduction of fossil fuels is the biggest challenge for the next half century. The idea of converting solar energy into electrical energy using photovoltaic panels holds its place in the front row compared to other renewable sources. But the continuous change in the relative angle of the sun with reference to the earth reduces the watts delivered by solar panel. Conventional solar panel, fixed with a certain angle, limits their area of exposure from the sun due to rotation of the earth. Output of the solar cells depends on the intensity of the sun and the angle of incidence. To solve this problem, an automatic solar cell is needed, where the Solar Tracker will track the motion of the sun across the sky to ensure that the maximum amount of sunlight strikes the panels throughout the day. By using Light Dependent Resistors, it will navigate the solar panel to get the best angle of exposure of light from the sun.
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Fahim, Shaikh Mohammad, Maruf Ahmed, and Ahmed Rayhan Mahbub. "Intelligent Solar Tracker." Applied Mechanics and Materials 415 (September 2013): 184–87. http://dx.doi.org/10.4028/www.scientific.net/amm.415.184.

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On the verge of exhausting fossil fuels, solar energy is the one of best options for the primary source of energy as it is renewable, eco-friendly and safe to use. An intelligent solar tracker will attempt to navigate to the best angle of exposure of the sun ensuring that the maximum amount of sunlight strikes the panel throughout the day. The main reason for pursuing this paper is to establish the idea that a tracker aided array of PV modules produces more power over a longer time than a stationary array with the same number of modules.
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Poulek, V., and M. Libra. "New solar tracker." Solar Energy Materials and Solar Cells 51, no. 2 (February 1998): 113–20. http://dx.doi.org/10.1016/s0927-0248(97)00276-6.

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Siva, S. "Automatic Solar Tracker." International Journal of MC Square Scientific Research 8, no. 1 (June 15, 2016): 99–108. http://dx.doi.org/10.20894/ijmsr.117.008.001.011.

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San, Dr Zarchi, Daw Pan Wint Hmone Htwe, and Daw Kkhaing Wint. "Solar Tracker in P.T.U E.P Department." International Journal of Trend in Scientific Research and Development Volume-3, Issue-3 (April 30, 2019): 1619–23. http://dx.doi.org/10.31142/ijtsrd23468.

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Cui, Hengchun, Jun Wu, Binbin Zhang, Liping Wang, and Tian Huang. "Energy Consumption Comparison of a Novel Parallel Tracker and Its Corresponding Serial Tracker." Mathematical Problems in Engineering 2021 (March 24, 2021): 1–14. http://dx.doi.org/10.1155/2021/6634989.

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A novel two-axis solar tracker with parallel mechanism is proposed in this paper. A dynamic model is derived by using the virtual work principle and the consumed energy including the mechanical energy and motor energy loss is computed. Taking Beijing as the working location of the solar tracker, the energy consumptions of the parallel solar tracker and its corresponding serial solar tracker are compared based on the premise that the proposed solar tracker and its corresponding serial solar tracker have similar static stiffness. Mechanical energy consumption of the proposed tracker is reduced by 7.55% compared to the serial solar tracker. The motor energy loss of the parallel solar tracker is also significantly lower. This simple and low-energy consumption solar tracker is a good alternative to the traditional solar tracker with large energy consumption.
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Alayi, Reza, Andrey Sevbitov, Mamdouh El Haj Assad, Ravil Akhmadeev, and Mikhail Kosov. "Investigation of energy and economic parameters of photovoltaic cells in terms of different tracking technologies." International Journal of Low-Carbon Technologies 17 (December 29, 2021): 160–68. http://dx.doi.org/10.1093/ijlct/ctab093.

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Abstract The utilization of photovoltaic (PV) cells has greatly expanded due to the simplicity of technology and cheapness compared to other solar technologies. However, due to the change in the position of the sun, it has reduced the production capacity and electrical efficiency of this technology as the reduction of production capacity to supply electricity has increased investment costs. In this research, modeling of silicon crystal PV cell with the aim of influencing the types of solar trackers on the amount of power produced by PV cell and economic parameters has been done, which is intended for the following four modes: without solar tracker, horizontal tracker, vertical tracker and two-axes tracker. The highest output power is related to the two-axes tracker with a value of 9586 kWh/yr, which for this technology has a maximum output power of 4.35 kW. Also, the cost of energy produced by this technology is $ 0.875/kWh.
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Fokui, Willy Stephen Tounsi, and Destine Mashava. "Arduino-based night return mechanism for passive solar trackers." International Journal of Advances in Applied Sciences 10, no. 4 (December 1, 2021): 335. http://dx.doi.org/10.11591/ijaas.v10.i4.pp335-342.

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<p>Solar trackers are support platforms that keep photovoltaic panels facing the sun by following the sun from dusk to dawn. There exist active solar trackers that make use of motors and gears to orientate the photovoltaic panels towards the sun; and passive solar trackers that operate through the differential heating of the fluid in the tracking rack to follow the sun. Passive solar trackers suffer from the lack of a night return mechanism and a slow wake-up response in the mornings due to the limitations on the surface inclination angle of the rack. This paper seeks to address these issues by proposing an Arduino-based night return mechanism for passive solar trackers. An energy-saving heating element such as the ultra heating fabric manufactured by WireKinetics Co. is installed on the west-side canister of the tracker. Before dawn, the fabric is automatically heated and this will force the refrigerant in the west-side canister to vaporize and cool in the east- side canister, forcing the tracker to return and face eastward before sunrise. The night return mechanism is designed and simulated using Proteus profesional. Simulation results show that this system can significantly optimize the function of passive solar trackers.</p>
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Dissertations / Theses on the topic "Solar tracker"

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Karlsson, Jimmy. "Solar tracker." Thesis, Uppsala universitet, Signaler och System, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-387629.

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We are facing a climate crisis, and the world needs to generate electricity in more climate neutral ways. One alternative is to use solar energy. The highest efficiency can be achieved if the surface normal is pointed towards the sun, instead of just having it stationary. To solve this, people make a system called a solar tracker. In this project a prototype of a solar tracker is made, which can follow the sun in any direction. The solar tracker consists of a mechanical structure, two DC-motors that move the structure, and a microcontroller that implements the regulator to control the motors. All the mechanical parts were constructed and then printed using a 3D-printer. Manual control was implemented for making troubleshooting and testing easier. The electrical system is soldered on an experimental board and then mounted with the motor driver and mechanical construction on a bottom structure. There are a few interesting things that could be further developed. One is to implement sensors at the start point and end point of the sun tracking so that the tracker can return to the starting point after the sunset. It would be interesting to scale up the construction a bit and make some more useful measurements on larger panels to see if the system is energy effective enough to be useful; to make some outdoor tests and see how the sensors and control system work in a real-world environment; and to investigate and eventually develop its ability to adapt to cloudy weather.
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Maples, David William. "The Solar Energy Tracker." Thesis, University of Canterbury. Electrical and Computer Engineering, 2008. http://hdl.handle.net/10092/4420.

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Reference is increasingly being made towards the need for the world to find new and renewable forms of energy, especially for electric power generation, but also for space heating and the heating of water. Solar energy is one of the cheapest forms of renewable energy available and is so far one of the most underutilised resources. One contribution makes reference to the way forward as being ‘using concentrating solar power which uses parabolic mirrors to focus the solar heat (energy) and generate steam to drive electric generators’ as is currently happening in the utility power marketplace in the USA. This thesis deals with the issues surrounding the original development of a two axis solar energy tracking system (SET) in 1997. The subsequent redesign, development and upgrade, undertaken from 2002 to 2006, with its performance and efficiency being measured in 2006 and 2007 using a specially configured measurement and recording system. A Solar Energy Tracker (SET) is designed to track the sun moving in two axes, reflecting the solar radiation received on its mirrors to a target mounted at the end of a boom, at the focal point of the mirrors. In late 2005 and early 2006, a solar thermal hot water manufacturer and installer heard about the developments and requested some form of involvement, especially if Christchurch Polytechnic Institute of Technology (CPIT) provided research input and assisted in the further development and testing of solar thermal hot water systems. This sponsor offered two projects in 2006 and again in 2007. Other solar thermal hot water suppliers also requested involvement in the research and development being performed at CPIT, which led in August 2006, December 2006, June 2007 and December 2007, to a number of other solar thermal hot water and air wall systems being installed. Progressively, the roof of C block at CPIT has become full of solar thermal hot water systems and solar air wall systems, both of the conventional type and those with newer technologies at the core of their development. This thesis outlines the stages in the redesign and development of the SET, and the various stages in its testing, development and refinement up to its present form. The thesis chapters are written based around the mechanical and electrical design, the auto-tracking and daylight controls, the PLC (programmable logic controller) controller, the mirror and substrate testing, the SCADA (Supervisory Control And Data Acquisition) system, the testing and comparison with other domestic solar thermal hot water systems and finally the testing of the SET itself. It also details the future developments and outlines possible uses for the SET in its redefined form. With clean and polished mirrors the SET has proven itself capable of achieving a temperature rise across the target of 15 °C at a flow rate of 4 l/m. On some occasions this temperature rise can be in excess of 20 °C, but testing thus far, has shown this cannot be sustained for any worthwhile period of time (15-30 minutes). This translates to an efficiency of 5-10 % when related to an energy produced per twenty four hour time period. However, if the efficiency is calculated for the actual period of generation, ‘generation efficiency,’ then this figure rises to 24 %. An overview is given of associated solar thermal hot water and solar air wall system research and development (that is ongoing at CPIT) as well as the performance and efficiency graphs for the solar thermal hot water systems on test. No manufacturer’s, industry or brand trade names are mentioned, as this research is still confidential and commercially sensitive. However, the technology involved and characterised by each solar thermal system is recorded in a generic sense. The SET was originally developed with the purpose of heating hot water and today this is still the intent. The possible applications for this hot water are many and varied from electricity generation, space heating and further into developing or new industrial processes. The performances of the other domestic solar thermal hot water systems currently under test, are compared with the figures from the SET, with the maximum efficiency, presently available, being from an evacuated tube heat pipe system at up to 65 %, whereas traditional finned flat plate technologies have efficiencies after twelve months of up to 48 %.
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Tegeder, Troy. "Development of an efficient solar powered unmanned aerial vehicle with an onboard solar tracker /." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1723.pdf.

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Tegeder, Troy Dixon. "Development of an Efficient Solar Powered Unmanned Aerial Vehicle with an Onboard Solar Tracker." BYU ScholarsArchive, 2007. https://scholarsarchive.byu.edu/etd/856.

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Methods were developed for the design of a solar powered UAV capable of tracking the sun to achieve maximum solar energy capture. A single-axis solar tracking system was designed and constructed. This system autonomously rotated an onboard solar panel to find the angle of maximum solar irradiance while the UAV was airborne. A microcontroller was programmed and implemented to control the solar tracking system. A solar panel and an efficient airframe capable of housing the solar tracking system was designed and constructed. Each of these subsystems was tested individually with either ground or flight tests. Ultimately, the final assembled system was tested. These tests were used to determine where and when a UAV with an onboard solar tracker would be advantageous over a conventional solar powered UAV with PV cells statically fixed to its wings. The final UAV had a wingspan of 3.2 meters, a length of 2.6 meters, and weighed 4.1 kilograms. Its solar panel provided a maximum power output of 37.7 watts. The predicted system performance, airframe drag, and system power requirements were validated with a battery powered flight test. The UAV's analytical model predicted the drag to be 41% lower than the actual drag found from flight testing. Full system functionality was verified with a solar powered flight test. The results and analysis of the system tests are presented in this thesis. The net energy increase from the solar tracking UAV over a conventional solar powered UAV for the duration of a day is dependent on season and geographical location. The solar tracking UAV that was developed was found to have a maximum net energy gain of 34.5% over a conventional solar powered version of the UAV. The minimum net energy gain of the solar tracking UAV was found to be 0.8%.
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Rajan, Anita V. (Anita Varada). "A maximum power point tracker optimized for solar powered cars." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/100654.

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Lopes, Renato Filipe Ribeiro. "Controller and device drivers for a two axis solar tracker." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14573.

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Mestrado em Engenharia Eletrónica e Telecomunicações
In the last few years we have witnessed the growth in the awareness relative to the effects of the climate change and global warming in the human life. The effects of extreme weather phenomenons are becoming more devastating. However we have also seen an increase in the consumer awareness relatively to the sources of the energy that they use. There is also an increase in the awareness from the power suppliers about the energy sources that they provide to their costumers. Nations that some years ago stood almost alone in defiance of the Kyoto protocol are now implementing programs that aim the reduction of carbon dioxide emissions to the atmosphere, namely the United States of America. With this objective, the investment in cleaner energy sources has increased considerably, both in research and in the creation of huge solar/eolian parks capable of producing large amounts of energy. However the prohibitive prices of the solar panels or of the solar trackers impedes the consumer of getting the return of the investment in a satisfactory time reducing the adherence to this kind of solutions. With this problem in our minds, the objective of this master dissertation is to aim for a reduction in the associated cost of the solar tracker solution by implementing new hardware and software capable of performing satisfactorily while being cheaper than the commercial solutions available. This aims to ally the bigger efficiency of the solar tracker solution (two axis) with a new control method free of proprietary solutions that do not increase value, only burden the consumer and thus halting the adoption of this kind of technology.
Nos últimos anos assistimos ao crescimento da preocupação relativa _as alterações climáticas e o seu impacto na vida humana. Assistimos cada vez mais a fenómenos climáticos extremos cujos efeitos são cada vez mais destrutivos e devastadores. No entanto existe uma maior consciencialização por parte dos consumidores sobre as fontes energéticas da energia que utilizam. Existe também uma maior consciencialização por parte das empresas energéticas sobre a origem das fontes energéticas que providenciam aos seus clientes. Assistimos ainda a nações que até há alguns anos se mostravam extremamente céticas acerca da influência humana nas alterações climáticas a criarem programas de redução das emissões de CO2 para a atmosfera, nomeadamente os Estados Unidos da América. Com este objectivo o investimento em energias limpas/renováveis aumentou consideravelmente, tanto na investigação como na criação de grandes parques solares e/ou éolicos. No entanto, o preço proibitivo dos painéis fotovoltaicos ou dos seguidores solares impede os consumidores de conseguirem um retorno do investimento num tempo aceitável, fazendo com que a adesão destes não seja tão grande como poderia ser possível e desejável. É com o objectivo de reduzir o custo associado aos paineis fotovoltaícos e a sua consequente democratização que esta dissertação de mestrado foi executada, aliando o maior rendimento dado pelo seguidores solares de dois eixos a um novo método de controlo livre de soluções proprietárias que não acrescentam valor e apenas oneram os consumidores.
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Žák, Martin. "Solární koncentrátorový systém s automatickým natáčením." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316973.

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This master’s thesis is focused on current possibilities of solar energy utilization – especially on concentrating solar power systems – and their optimization using solar tracking systems to maximize energy gain. The thesis also deals with solar position algorithm and offers an Arduino based automatic dual axis solar tracker design which provides various solar devices the ability to pivot using stepper motors, DC motors or servos. The motion might be driven by calculated solar position or by actual illuminance.
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Krejčí, David. "Konstrukce dvouosého solárního trackeru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229975.

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The purpose of this dissertation is to design the dual-axis solar tracker carrying the concentrator photovoltaic panels. The preamble of the dissertation shortly examines a photovoltaic cells development up to concentrators and the common support structures of solar power plants. The second part focuses on the engineering process itself. It includes the choice of the variant that suits best the requirements, the calculations of wind load and design of the various joints. The conclusion part is devoted to the evaluation, economy analysis of the construction and proposals for improvements.
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Hamada, Ali, and Fredrik Larsson. "EastWest : Solar tracking photovoltaic panel." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264471.

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The purpose of this project was to investigate how efficient it is to implement steering of a solar panel, in one or two axes. To determine how efficient it is, special consideration was taken to the energy usage of the driving system. Practical applications have also been considered with pros and cons. To answer the research questions a prototype was built and a controlled environment for testing was arranged. Rotating the panel in one axis resulted in a 26% energy increase and for the two-axis system a 56% energy increase compared to stationary panel. The use of stepper motors turned out to be not as efficient as needed, due to continuous use of energy at all times during operation.
Syftet med detta projekt var att undersöka hur effektivt det är att implementera styrning av en solpanel i en eller två axlar. För att kunna avgöra nyttan så togs det hänsyn till drivsystemet och hur mycket energi det gick åt för styrningen. Även praktiska tillämpningar kontrollerades och vilka fördelar och nackdelar som skulle erhållas. För att svara på frågeställningarna, tillverkades en prototyp som testades i en kontrollerad miljö. Genom att rotera panelen runt en axel ökar energiupptaget 26 % och för det tvåaxliga systemet 56 % jämfört med en stationär panel. Användningen av stegmotorer visade sig inte vara speciellt effektiv då det krävdes kontinuerlig strömmatning för att erhålla det motormoment som krävdes för att hålla panelen på plats.
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Carvalho, Daniel Rizzo. "Desenvolvimento de um rastreador solar biaxial." Universidade Federal de Viçosa, 2011. http://locus.ufv.br/handle/123456789/3630.

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Made available in DSpace on 2015-03-26T13:23:47Z (GMT). No. of bitstreams: 1 texto completo.pdf: 2831584 bytes, checksum: 6baba1e231f02f91abcbd5fea6a40dd2 (MD5) Previous issue date: 2011-07-11
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
This work presents the results of the study related to the production of electricity using a photovoltaic panel attached to the solar tracking mechanism. The objective was to develop a tracker equipment effective, with low cost and energy consumption, targeting the residential use, industrial and distributed generation of energy. Was evaluated the performance of the tracker, comparing it to a fixed system, showing its greatest potential for conversion. Based on the results analyzed, was observed a significant increase in energy conversion panel coupled to the tracking system in relation to fixed panel in a tilt angle accordingly local latitude. Its electromechanical performance was satisfactory, with no need for maintenance during the trial period and exposed to various weather conditions. The system has shown great potential for application usability and robustness
Neste trabalho estão apresentados os resultados do estudo relacionado à produção de eletricidade utilizando um painel fotovoltaico acoplado ao mecanismo de rastreamento solar. Objetivou-se desenvolver um equipamento eficaz no rastreamento, de baixo custo e consumo de energia, visando à possibilidade de uso residencial, industrial e a geração distribuída de energia. Avaliou-se o desempenho do rastreador, comparando-o com um sistema fixo. Com base nos resultados analisados, observou-se aumento significativo na produção de energia do painel fotovoltaico acoplado ao sistema de rastreamento em relação ao sistema fixo à inclinação da latitude local. Seu desempenho eletromecânico foi satisfatório, não necessitando de manutenção durante a fase experimental mesmo quando exposto às mais variadas condições de tempo. O sistema demonstrou grande potencial de aplicação, usabilidade e robustez.
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Books on the topic "Solar tracker"

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Mandt, Kathleen, Olivier Mousis, Dominique Bockelée-Morvan, and Christopher Russell, eds. Comets as Tracers of Solar System Formation and Evolution. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1103-4.

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Sawaya-Lacoste, Huguette. Proceedings of SOHO-13: Waves, oscillations and small-scale transient events in the solar atmosphere : a joint view from SOHO and TRACE, 29 September - 3 October 2003, Palma de Mallorca, Balearic Islands, Spain. Noordwijk, the Netherlands: ESA Publication Division, 2004.

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Tom, Badgett, ed. Ultimate Unauthorized Nintendo Classic Game Strategies. 2nd ed. New York: Bantam Books, 1992.

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Tom, Badgett, ed. Ultimate Unauthorized Nintendo Classic Game Strategies. New York, N.Y.: Bantam Books, 1991.

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Russell, Christopher, Kathleen Mandt, Olivier Mousis, and Dominique Bockelée-Morvan. Comets as Tracers of Solar System Formation and Evolution. Springer, 2018.

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Rosina, Ruatti, Giudiceandrea Lucio, and Neumair Ganesh, eds. Tracce di sole: Orologi solari in Sudtirolo. Bolzano: Casa editrice Athesia, 1996.

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Fowler, Víctor. Some Dance Scenes From Cuban Cinema, 1959–2012. Edited by Melissa Blanco Borelli. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199897827.013.023.

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This chapter traces dance in Cuban cinema from the onset of the Revolution to contemporary films. In so doing, the author attempts to set up a Cuban structure of feeling and how a corporeal form ofCubanidadmanifests through various filmic representations, whether narrative or documentary film. Might dance be an inherent aspect ofCubanidad? How does the Cuban filmic apparatus incorporate dance and all of its complexities into a narrative about Cuban fortitude? The films discussed include:Un día en el solar, Los del baile, Memorias del subdesarrollo, Son o no son,andHabana solo.
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Trieloff, Mario. Noble Gases. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190647926.013.30.

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This is an advance summary of a forthcoming article in the Oxford Encyclopedia of Planetary Science. Please check back later for the full article.Although the second most abundant element in the cosmos is helium, noble gases are also called rare gases. The reason is that they are not abundant on terrestrial planets like our Earth, which is characterized by orders of magnitude depletion of—particularly light—noble gases when compared to the cosmic element abundance pattern. Indeed, such geochemical depletion and enrichment processes make noble gases so versatile concerning planetary formation and evolution: When our solar system formed, the first small grains started to adsorb small amounts of noble gases from the protosolar nebula, resulting in depletion of light He and Ne when compared to heavy noble gases Ar, Kr, and Xe: the so-called planetary type abundance pattern. Subsequent flash heating of the first small mm to cm-sized objects (chondrules and calcium, aluminum rich inclusions) resulted in further depletion, as well as heating—and occasionally differentiation—on small planetesimals, which were precursors of larger planets and which we still find in the asteroid belt today from where we get rocky fragments in form of meteorites. In most primitive meteorites, we even can find tiny rare grains that are older than our solar system and condensed billions of years ago in circumstellar atmospheres of, for example, red giant stars. These grains are characterized by nucleosynthetic anomalies and particularly identified by noble gases, for example, so-called s-process xenon.While planetesimals acquired a depleted noble gas component strongly fractionated in favor of heavy noble gases, the sun and also gas giants like Jupiter attracted a much larger amount of gas from the protosolar nebula by gravitational capture. This resulted in a cosmic or “solar type” abundance pattern, containing the full complement of light noble gases. Contrary to Jupiter or the sun, terrestrial planets accreted from planetesimals with only minor contributions from the protosolar nebula, which explains their high degree of depletion and basically “planetary” elemental abundance pattern. Indeed this depletion enables another tool to be applied in noble gas geo- and cosmochemistry: ingrowth of radiogenic nuclides. Due to heavy depletion of primordial nuclides like 36Ar and 130Xe, radiogenic ingrowth of 40Ar by 40K decay, 129Xe by 129I decay, or fission Xe from 238U or 244Pu decay are precisely measurable, and allow insight in the chronology of fractionation of lithophile parent nuclides and atmophile noble gas daughters, mainly caused by mantle degassing and formation of the atmosphere.Already the dominance of 40Ar in the terrestrial atmosphere allowed C. F v. Weizsäcker to conclude that most of the terrestrial atmosphere originated by degassing of the solid Earth, which is an ongoing process today at mid ocean ridges, where primordial helium leaves the lithosphere for the first time. Mantle degassing was much more massive in the past; in fact, most of the terrestrial atmosphere formed during the first 100 million years of Earth´s history, and was completed at about the same time when the terrestrial core formed and accretion was terminated by a giant impact that also formed our moon. However, before that time, somehow also tiny amounts of solar noble gases managed to find their way into the mantle, presumably by solar wind irradiation of small planetesimals or dust accreting to Earth. While the moon-forming impact likely dissipated the primordial atmosphere, today´s atmosphere originated by mantle degassing and a late veneer with asteroidal and possibly cometary contributions. As other atmophile elements behave similar to noble gases, they also trace the origin of major volatiles on Earth, for example, water, nitrogen, sulfur, and carbon.
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Thiess, Derek J. Sport and Monstrosity in Science Fiction. Liverpool University Press, 2019. http://dx.doi.org/10.3828/liverpool/9781786942227.001.0001.

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Sport and Monstrosity in Science Fiction examines fantastic representations of sport in science fiction, both cataloguing this almost entirely unexamined literary tradition and arguing that the reason for its neglect reflects a more widespread social suspicion of the athletic body as monstrous. Combining scholarship of monstrosity with a biopolitically focused philosophy of embodiment, this work plumbs the depths of our abjection of the athletic body and challenges us to reconsider sport as an intersectional space. In this latter endeavour it contradicts the image presented by both the most dystopian films such as Deathrace and Rollerball as well as social criticism of sport that limits its focus to an essentially violent masculinity. The book traces an alternative tradition of sport sf through authors as diverse as Arthur C. Clarke, Steven Barnes, and Joan Slonczewski, exploring the way the intersectional categories of gender, race, and age in these works are negotiated in, for example, a solar wind sailing race or futuristic anti-gravity boxing. These complex athletic bodies display the social mobility that sport allows and challenge us to acknowledge our own monstrously animal bodies and our place in a “cycle of living and dying.”
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Jones, Geoffrey. Profits and Sustainability. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198706977.001.0001.

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The book tells the unknown story of entrepreneurs who believed business could help create a more sustainable world. It challenges the received point of view that such green entrepreneurs are a recent phenomenon, and instead traces their origins much further back in the convictions of people committed to unusual lifestyles, in the zeal of radicals, and in the often unsuccessful efforts of visionaries to bring a new world into being long before the world was ready for it. This book looks at many such individuals in the United States, Europe, and elsewhere, and in industries as diverse as architecture, natural beauty, organic food, recycling, solar and wind energy, and sustainable finance. In each industry, the book explores the drivers of green entrepreneurship over time, how businesses were built, and the lessons to be learned. It is shown that it was only from the 1980s that green businesses were able to break out of marginal positions, yet the scaling of such businesses and the rise of corporate environmentalism raised new issues of legitimacy. The historical achievement of green entrepreneurs remains that through their willingness to be unconventional, they opened up new ways of thinking about sustainability, and have laid the foundations for the sustainable world of the future.
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Book chapters on the topic "Solar tracker"

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Chakraborty, Sohom, Anusua Roy, and Sukanya Dey. "Dual-Axis Solar Tracker Without Microcontroller." In Advances in Smart Communication Technology and Information Processing, 407–15. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9433-5_39.

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Aziz, Shahid, and Mohammad Hassan. "Dual Axis Solar Tracker for Solar Panel with Wireless Switching." In Lecture Notes in Electrical Engineering, 49–62. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8234-4_6.

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El Hammoumi, Aboubakr, Saad Motahhir, Abdelaziz El Ghzizal, and Aziz Derouich. "Internet of Things-Based Solar Tracker System." In Advanced Technologies for Solar Photovoltaics Energy Systems, 75–95. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64565-6_4.

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Glilah, Ilias, Ibrahim Hadj Baraka, and Benaissa Amami. "Introduce Artificial Intelligence in Controlling a Solar Tracker." In Lecture Notes in Electrical Engineering, 145–54. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36475-5_14.

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Agee, John T., Andrew Obok Opok, and Marie de Lazzer. "Solar Tracker Technologies: Market Trends and Field Applications." In Advanced Materials Research, 339–44. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-450-2.339.

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Rimmele, Th, and O. von der Lühe. "A Correlation Tracker for Solar Fine Scale Studies." In Reviews in Modern Astronomy, 105–8. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-75183-7_9.

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Kumar, Mukul, Reena Sharma, Mohit Kushwaha, Atul Kumar Yadav, Md Tausif Ahmad, and A. Ambikapathy. "Solar Tracker With Dust Removal System: A Review." In Advances in Systems, Control and Automations, 155–64. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8685-9_15.

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Zawidzka, Ela, Jacek Szklarski, Wojciech Kiński, and Machi Zawidzki. "Prototype of the Arm-Z Modular Solar Tracker." In Advances in Intelligent Systems and Computing, 273–82. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-03502-9_28.

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Gutierrez, I., E. Hernandez-Martinez, A. Oropeza, and Sajjad Keshtkar. "High-Order Sliding Mode Control for Solar Tracker Manipulator." In Multibody Mechatronic Systems, 235–43. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-67567-1_22.

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Jadli, Utkarsh, Shailesh Uniyal, and Ishita Uniyal. "Design of a Single-Axis Solar Tracker Using LDRs." In Advances in Intelligent Systems and Computing, 1041–49. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-5903-2_110.

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Conference papers on the topic "Solar tracker"

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Jain, Akash, Leena Jain, and Asim Jain. "Solar tracker." In the International Conference & Workshop. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1980022.1980397.

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Dehmlow, Michael R. "Affordable Universal Solar Tracker." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54379.

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With the global growth of solar technologies, the general public is beginning to utilize these efficient power sources in their everyday lives. In response, the NMSU Solar team is developing a product to help the enthusiasts and businesses that fuel this green movement. The NMSU Solar team is developing an affordable, standalone digital solar tracker that can be mounted to any device (e.g. solar panels, parabolic dish, etc.). The digital solar tracker is being designed to fit the needs of price conscious businesses and the abilities of hobbyists wanting to build their own personal tracker. The device utilizes a digital clock chip for the date and time, a simple magnetometer as a digital compass, and an accelerometer to detect the acceleration of gravity to locate the sun by its geographical location. Once the system has its target face within a few degrees of being normal to the sun, it employs a quadrant-photo-diode to precisely calculate the sun’s direction. By coupling the system with two multiplexers, an Arduino board, and an X-Bee chip, the system can be remotely controlled and monitored from a single command post up to a mile away. The use of the Arduino’s 10 bit resolution analog-to-digital converter allows the unit to have a remote DAQ system capable of reading temperatures, pressures, and power from the solar device. The results can be sent back to a computer for data logging or monitoring. Because these components are in water resistant housing with a small battery and a 10 watt solar panel, the system can give years of service. This basic design is an effective tool for large businesses or a “must have” upgrade for the enthusiast looking to gain every ounce of power from existing solar panels. By releasing the code and design to the public after its final development, the NMSU Solar team hopes to aid in the sustainability of a power hungry world.
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Stepanov, Andrew, Alvis Sokolovs, and Laura Dzelzkaleja. "Solar tracker supervisory system." In 2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON). IEEE, 2014. http://dx.doi.org/10.1109/rtucon.2014.6998211.

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Rimmele, Thomas R., Oskar von der Luehe, P. H. Wiborg, A. Lee Widener, Richard B. Dunn, and G. Spence. "Solar feature correlation tracker." In San Diego, '91, San Diego, CA, edited by Mark A. Ealey. SPIE, 1991. http://dx.doi.org/10.1117/12.48806.

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Petrusev, A. S., V. M. Rulevskiy, Ye Zh Sarsikeyev, and D. Yu Lyapunov. "Solar tracker with active orientation." In 2016 2nd International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM). IEEE, 2016. http://dx.doi.org/10.1109/icieam.2016.7911461.

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Afarulrazi, A. B., W. M. Utomo, K. L. Liew, and M. Zarafi. "Solar Tracker Robot using microcontroller." In 2011 International Conference on Business, Engineering and Industrial Applications (ICBEIA). IEEE, 2011. http://dx.doi.org/10.1109/icbeia.2011.5994256.

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Xia, Z. Y., X. Y. Chen, S. G. Chen, L. H. Hu, D. S. Wu, and G. J. Jin. "High Precision Biaxial Solar Tracker." In 2015 International Conference on Industrial Technology and Management Science. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/itms-15.2015.356.

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Beshears, D. L., G. J. Capps, D. D. Earl, J. K. Jordan, L. C. Maxey, J. D. Muhs, and T. M. Leonard. "Tracking Systems Evaluation for the “Hybrid Lighting System”." In ASME 2003 International Solar Energy Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/isec2003-44055.

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As part of the design and development effort for the “Hybrid Lighting System,” Oak Ridge National Laboratory (ORNL) scientists have evaluated two potential candidate-tracking systems for the solar collector. The first system, the WattSun Solar Tracker, built by Array Technologies, utilizes a patented, closed loop, optical sun sensor to sense the sun’s position and track it. The second tracking system, SolarTrak Controller, built by Enhancement Electronics, Inc., is a micro controller-based tracking system. The SolarTrak micro controller-based Tracker’s sun position is determined by computing the celestial bearing of the sun with respect to the earth using the local time, date, latitude, longitude and time zone rather than sensing the relative bearing of the sun with optical receptors. This system connects directly to the mechanical system hardware supplied by Array Technologies. Both the WattSun Solar Tracker and the SolarTrak Controller were mounted on the prototype “Hybrid Lighting” mechanical system (array) hardware. A simple switch allowed independent testing of each system. Upon completion of the evaluation of the two systems we found the WattSun Solar Tracker controller to be unacceptable for use with our prototype hybrid lighting system. The SolarTrak Controller has performed well to date and provides suitable tracking accuracy for use with our prototype “Hybrid Lighting System”. After a six-month evaluation period at ORNL, the first prototype “Hybrid Lighting System” was installed at Ohio University as part of an “Enhanced Practical Photosynthetic CO2 Mitigation.” This document will highlight the results of the tracker investigation and outline the remaining issues to be addressed, to provide a suitable tracking system for our “Hybrid Lighting” collector.
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García, H., Carlos Ramirez, and Noel Leon. "Refractive Based Solar Tracker with Fixed Concentration Spot." In ISES Solar World Congress 2015. Freiburg, Germany: International Solar Energy Society, 2016. http://dx.doi.org/10.18086/swc.2015.04.09.

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Hawibowo, Singgih, Imadudin Ala, Rachmana Berlindo Citra Lestari, and Fahmy Rinanda Saputri. "Stepper Motor Driven Solar Tracker System for Solar Panel." In 2018 4th International Conference on Science and Technology (ICST). IEEE, 2018. http://dx.doi.org/10.1109/icstc.2018.8528571.

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Reports on the topic "Solar tracker"

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White, D. L., and B. Howell. Solar kinetics` photovoltaic concentrator module and tracker development. Office of Scientific and Technical Information (OSTI), November 1995. http://dx.doi.org/10.2172/159347.

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Riley, Daniel, and Clifford Hansen. Sun-relative pointing for dual-axis solar trackers employing azimuth and elevation rotations. Office of Scientific and Technical Information (OSTI), April 2014. http://dx.doi.org/10.2172/1177037.

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Lever, James, and Jason Weale. High efficiency fuel sleds for Polar traverses. Engineer Research and Development Center (U.S.), March 2022. http://dx.doi.org/10.21079/11681/43445.

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We describe here the evolution of lightweight, high-efficiency fuel sleds for Polar over-snow traverses. These sleds consist of flexible bladders strapped to sheets of high molecular weight polyethylene. They cost 1/6th, weigh 1/10th and triple the fuel delivered per towing tractor compared with steel sleds. An eight-tractor fleet has conducted three 3400-km roundtrips to South Pole with each travers delivering 320,000 kg of fuel while emitting <1% the pollutants, consuming 1/2 the fuel and saving $1.6 M compared with aircraft resupply. A two tractor fleet in Greenland recently delivered 83,000 kg of fuel in bladder sleds to Summit with similar benefits. Performance monitoring has revealed that bladder-sled towing resistance is largely governed by sliding friction, which can start high and drop in half over the first 30 min of travel. Frictional heating probably produces a thin water layer that lubricates the sled–snow interface. Consequently, towing resistance depends on the thermal budget of the sled. For example, black fuel bladders increase solar gain and thus decrease sled resistance; data suggest they could double again the fuel delivered per tractor. The outstanding efficiency and low cost of these sleds has transformed fuel delivery to Polar research stations.
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Hummel, J. R., and E. P. Shettle. Effects of Solar Heating by Aerosols and Trace Gases on the Temperature Structure Constant. Fort Belvoir, VA: Defense Technical Information Center, August 1990. http://dx.doi.org/10.21236/ada237675.

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