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Letteratura scientifica selezionata sul tema "Implements"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 29 luglio 2024

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Articoli di riviste sul tema "Implements"

1

Kravchenko, Ruslan, Maksat Amantayev, Yevgeniy Zolotukhin e Tursynai Tolemis. "STUDY OF FURROW FORMATION BY THE POWER DRIVEN ROTARY TILLAGE IMPLEMENT FOR THE SURFACE TILLAGE OF SOIL". 3i intellect idea innovation - интеллект идея инновация 3 (2023): 71–77. http://dx.doi.org/10.52269/22266070_2023_3_71.

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For the surface tillage, it is common to utilize machines and tools, and their tillage implements are set in motion through contact with the soil and by the tractor's PTO. The furrow produced by the rotating tillage implements is characterized by an uneven bottom that matches the furrow length and aligns with the direction of the movement of the machine-tractor aggregates. However, an analysis of research suggests that this scenario does not fully capture the process of furrow formation by the cutting blade of the concerned tillage implement powered by the tractor's PTO. For the reasons outlined above, determining the tillage implement parameters to achieve the desired quality of surface soil tillage is quite challenging. This article, therefore, delves into the process of furrow formation using the power driven tillage implement.The objective of this study is to develop a methodology for determining the parameters of the furrow formed by the power driven tillage implement’s cutting blade. Experiments were conducted in a soil box filled with sandy soil, considering approach angles ranging from 30 to 90° and kinematic parameters varying between 0.8 and 2.2. The findings reveal that the cutting blade of the rotating implement, designed in an elliptical fashion, generates a furrow that takes on a parallelogram shape when seen from above. At a small approach angle, the implement's cutting blade produces a short, narrow furrow that deviates from the implement's path and remains within the implement's working width.

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Turner, Robert. "Pygmy Implements". Mankind 1, n. 5 (10 febbraio 2009): 110–12. http://dx.doi.org/10.1111/j.1835-9310.1932.tb00889.x.

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3

HACHIYA, Machiko. "WHO IMPLEMENTS INTEGRATION?" EU Studies in Japan 2000, n. 20 (2000): 72–90. http://dx.doi.org/10.5135/eusj1997.2000.72.

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4

Meston, A. L. "Tasmanian Stone Implements." Mankind 2, n. 4 (10 febbraio 2009): 80–82. http://dx.doi.org/10.1111/j.1835-9310.1937.tb00940.x.

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5

Dongre, Saurabh S., Rohit R. Dabir, Sachine P. Topre, Shubham A. Kantode e Shubham G. Gedam. "Fabrication of Multi Spanner Fastener Mechanism". International Journal for Research in Applied Science and Engineering Technology 10, n. 4 (30 aprile 2022): 16–17. http://dx.doi.org/10.22214/ijraset.2022.41152.

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Abstract: The fabrication of a two-way multi-nut tightener and remover is an incipient innovation concept. The main aim of our project is to fabricate the two-way implement which is the cumulation of two implements four nut remover and five nut remover. Nowadays most cars have five nuts and four nut wheels it is arduous to carry two implements and costly to buy both the implement. From our project, we can abbreviate the carrying load of two implements into one implement and withal the cost of buying two implements by buying the sing implement. It minimizes the manpower and equal torque is applied to the entire nut in the car wheel. It can be prosperously utilized as a standard implement provided with an incipient conveyance. Additionally, it can be utilized in the assembly line of automobiles, workshops, and accommodation stations. Keywords: Ball Bearing, Gears, Spanner Socket, Base Plate, Shafts.

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Singh, Harbhinder, e Munish Mehta. "Evaluation and Analysis of Tractor Driver’s Seat Vibrations without Implements and with Implements during Tillage Process". YMER Digital 20, n. 11 (25 novembre 2021): 403–9. http://dx.doi.org/10.37896/ymer20.11/35.

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In day to day operations tractor has to move with tillage implements and without tillage implements. In this work emphasis has been given to compare the effect of vibrations on driver’s seat of tractor while working with implements during tillage and while working without implements. The experiment was conducted in the fields of Punjab (India). During the experiment, first time the tractor was made to move without implements and second time tractor was moving with chisel plough (tillage implement). Both times real time vibration data of driver’s seat was collected with three-axis accelerometer and it was observed that when tractor was moving without implements the vibration amplitude was highest in vertical direction Z as compared to transverse direction Y and horizontal direction X. But when the tractor was moving in the fields with tillage implement (chisel plough) the vibration amplitude was high in transverse direction Y relative to horizontal direction X and vertical direction Z.

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Dahab, Mohamed Hassan, Abdalla N. O. Kheiry e Mohamed Hamid Numan. "Developed and Field Performance Evaluation of a Combined Cultivator". Journal of Agronomy Research 4, n. 2 (22 ottobre 2022): 12–19. http://dx.doi.org/10.14302/issn.2639-3166.jar-21-3872.

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Sugar cane production requires a number of operations to be carried out in the field through number of implements and machines. Therefore, time consuming and required large amount of energy. A combined field cultivator was designed in Kenana agricultural implements factory (KAIF) to carry out at one time multi operations (cultivation, furrow-reforming and Fertilizer placement). This is to increase field productivity, reduce farm power and lower operation time and cost. The combined implement was evaluated in Kenana cultivation fields and compared with three individual implements, rigid tine cultivator, furrow-reformer and fertilizer applicator. The measured parameters were drawbar pull, power requirements, field capacity, fuel consumption and total time in the field. The results showed highly significant differences at 1% level between the different implements for the field capacity, fuel consumption and significant differences at 5% for the drawbar pull. A power requirement in (kW) for the combined cultivator was 77% of those individual implements. Total time per feddan to accomplish the required operations by the combined cultivator was 57% of that required by the individual implements. Fuel consumption was reduced to 57% when combined implement was used compared to that consumed by individual implements. It was concluded that the combined cultivator was effective in increasing field productivity and reducing power and cost of operation.

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Varani, Massimiliano, Michele Mattetti e Giovanni Molari. "Performance Evaluation of Electrically Driven Agricultural Implements Powered by an External Generator". Agronomy 11, n. 8 (21 luglio 2021): 1447. http://dx.doi.org/10.3390/agronomy11081447.

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In the last decade, many studies have been conducted on tractor and agricultural machinery electrification. In particular, the electrification of power take-off (PTO)-powered implements could support many benefits, such as improved comfort and safety during implement connection, less noisiness, accurate control of the implement rotational speed, and fuel consumption reduction. However, commercially available tractors do not generate sufficient electric power to run electrified implements. A solution to this issue is powering eventual electrified implements with an external electric generator powered by the PTO and mounted with the front three-point linkage. This study aimed to evaluate the potential benefits of using this combination with respect to PTO powered implements. The types of implements analyzed in detail in this study were a sprayer and a mulcher. Field tests were performed acquiring performance, operational, and environmental parameters. Results show that on the electrified implements, the absence of the cardan shaft and hydraulic remotes shortened the time required for the hitching phase and reduced the in-work noisiness. Field tests demonstrated that the electrified implements permitted an improvement of the fuel consumption per hectare, up to 33.3% and 29.8% lower than their PTO-powered homologue for the sprayer and the mulcher, respectively.

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Bernstein, Carol A. "APA Implements New Structure". Psychiatric News 45, n. 18 (17 settembre 2010): 3. http://dx.doi.org/10.1176/pn.45.18.psychnews_45_18_008.

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Turner, Robert. "Notes on Stone Implements". Mankind 1, n. 9 (10 febbraio 2009): 227–29. http://dx.doi.org/10.1111/j.1835-9310.1934.tb00075.x.

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Più fonti

Tesi sul tema "Implements"

1

Fielke, John Milton. "Interactions of the cutting edge of tillage implements with soil". Title page, table of contents and abstract only, 1994. http://web4.library.adelaide.edu.au/theses/09PH/09phf463.pdf.

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2

Bronder, Justin S. "The AKS Class of Primality Tests: A Proof of Correctness and Parallel Implementation". Fogler Library, University of Maine, 2006. http://www.library.umaine.edu/theses/pdf/BronderJS2006.pdf.

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3

Wilson, Jennifer Keeling. "Curation and lithic technological organization studies on the Owyhee River : a case study of the Chalk Basin site (35ML143), Malheur County, Oregon". Online access for everyone, 2007. http://www.dissertations.wsu.edu/Thesis/Spring2007/J_Wilson_042507.pdf.

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4

Haresign, Stephen. "The development of a procedure to evaluate the wear rate of soil engaging equipment". Thesis, Cranfield University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269473.

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5

Meadows, Richard Keith. "Crafting K'awil : a comparative analysis of Maya symbolic flaked stone assemblages from three sites in northern Belize /". Access restricted to users with UT Austin EID Full text (PDF) from UMI/Dissertation Abstracts International, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3034984.

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6

Alam, Mohammed Monjurul. "Soil reaction forces on agricultural disc implements". Thesis, University of Newcastle Upon Tyne, 1989. http://hdl.handle.net/10443/996.

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Theoretical models for the prediction of the performance of wide cutting blades have been in existence for some time. These models characterise the soil as a rigid-plastic Mohr-Coulomb material and depend on advanced mathematical techniques developed for the solution of the complex equations of equilibrium of soil elements in two-dimensional plane-strain failure. Less rigorous techniques have been employed for developing mathematical models for the behaviour of deep narrow tines. In both cases the soil-implement contact boundary is assumed to be a plane surface of simple geometrical shape. The extension of these methods to deal with three-dimensional failure generated by curved loading boundaries is of comparatively recent origin. The soil failure patterns associated with disc soil cutting implements fall into this category. The thesis describes the development of a mathematical model for predicting the performance of such implements. The method employed follows the technique used by Godwin et al for reducing three-dimensional failure into two-dimensional components. The present analysis caters for discs implements having both inclination and disc angles. Soil contact in such implements takes place on complex curved surfaces and the geometry of these were analysed. These surfaces were approximated by plane elements which were then assumed to generate two-dimensional failure in planes parallel to the direction of translation of the disc. The rupture geometry and the forces acting on these elements are then computed using the Newcastle adaptation of Sokolovski's rigorous solution to soil failure. The force acting on the soil contact surface is then obtained by a version of the method of slices used for analysing slip surfaces. The model developed can predict the quasi-static soil reactions on disc implements from a knowledge of the disc geometry, soil properites and depth of cut. The computer programme was used to investigate the sensitivity of the input parameters to the final predicted results and this information was used to develop a set of non-dimensional force coefficients which can be used in a simple additive algebraic equation to predict the three orthogonal force components acting on the disc. Empirical correction factors have been devised to cater for deviations between these and computed valus and prediction to within 5 percent of the computer prediction are possible by this relatively simple method. In order to check the performance of this theoretical model a special dynamometer rig was designed and built to assess all three orthogonal force components acting on a disc tool. A single plough disc was tested in a loam soil and the computer prediction was in good agrement with experimental values. The model was also used to check other published experimental results and once again the prediction was good.

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Donglei, Y. "Analysis of dynamic loading on cultivation implements". Thesis, University of Newcastle Upon Tyne, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376227.

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Hambly, Derek Thomas. "A SCHOLAR'S MUSES AND A CRAFTSMAN'S IMPLEMENTS". Kent State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=kent1279121892.

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Bakewell, Edward F. "The archaeopetrology of vitrophyric toolstones, with applications to archaeology in the Pacific Northwest /". Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/6429.

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Tingle, Martin. "The prehistoric exploitation of flint at Beer Head". Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319242.

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Libri sul tema "Implements"

1

Halberstadt, April. Plows & planting implements. Osceola, WI, USA: Motorbooks international Publishers & Wholesalers, 1997.

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2

Peterson, Chester. Ford tractor implements. Osceola, WI: MBI Publishing, 1998.

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3

Nartov, P. S. Disk soil-working implements. Rotterdam: A.A. Balkema, 1985.

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4

Salim, Muhammad. Traditional agricultural implements of Bangladesh. Dhaka: Rubi Enterprise, 2012.

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5

Club, All England Croquet, a cura di. Croquet, its implements and laws. Toronto: Copp, Clark, 1985.

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6

lantbruksuniversitet, Sveriges, a cura di. Dynamics of rigid soil-engaging implements and parts of implements: Lateral motion of soil-engaging implements and vertical motion of seed drill coulters. Uppsala: Swedish University of Agricultural Sciences, Dept. of Agricultural Engineering, 1993.

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7

Starkey, Paul. Harnessing and implements for animal traction. Leverkusen: Vieweg, 1989.

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8

Harrington, Roy. How John Deere tractors & implements work. St. Joseph, Mich: American Society of Agricultural Engineers, 1997.

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9

Alcock, Ralph. Tractor-implement systems. Westport, Conn: AVI Pub. Co., 1986.

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10

Hudler, Dale. The Smith Creek Bridge Site (41DW270): A terrace site in De Witt County, Texas. Austin, Tex: Texas Dept. of Transportation, Environmental Affairs Division, Archeological Studies Program, 2002.

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Capitoli di libri sul tema "Implements"

1

Raheman, Hifjur, e Pranay Sarkar. "Disk Implements". In Tillage Machinery—Passive, Active and Combination, 45–76. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-6331-7_3.

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2

Hranicky, Wm Jack. "Miscellaneous Tools/Implements". In Lithic Technology in the Middle Potomac River Valley of Maryland and Virginia, 212–51. Boston, MA: Springer US, 2002. http://dx.doi.org/10.1007/978-1-4615-0615-7_10.

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Shankar, A. Udaya. "Implements and Compositionality". In Distributed Programming, 173–89. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4881-5_7.

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Raheman, Hifjur, e Pranay Sarkar. "Rotary Tillage Implements". In Tillage Machinery—Passive, Active and Combination, 95–128. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-6331-7_5.

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Raheman, Hifjur, e Pranay Sarkar. "Combination Tillage Implements". In Tillage Machinery—Passive, Active and Combination, 129–57. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-6331-7_6.

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Taupin, Jane Moira. "Clothing and Implements". In Forensic DNA Transfer, 167–207. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.4324/9781003158844-6.

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Blitzer, Harriet. "CHAPTER 8. Minoan Implements and Industries". In Kommos: An Excavation on the South Coast of Crete, Volume I, a cura di Joseph W. Shaw e Maria C. Shaw, 403–536. Princeton: Princeton University Press, 1995. http://dx.doi.org/10.1515/9781400852956.403.

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Hainsworth, Sarah. "Identification Marks – Knives and Other Implements". In Criminal Dismemberment, 157–74. 1st Edition. | Boca Raton : CRC Press, [2017]: CRC Press, 2017. http://dx.doi.org/10.1201/9781315373126-11.

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Fukushima, Shunichi. "How Japan implements UN financial sanctions1". In United Nations Financial Sanctions, 67–79. Milton Park, Abingdon, Oxon ; New York, NY : Routledge, 2021. | Series: Routledge advances in international relations and global politics: Routledge, 2020. http://dx.doi.org/10.4324/9780429260315-5.

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Chakravarty, Kashyapi, e Smriti Gaur. "Fungal Endophytes as Novel Sources of Anticancer Compounds". In Anticancer Plants: Natural Products and Biotechnological Implements, 1–18. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8064-7_1.

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Atti di convegni sul tema "Implements"

1

Wright, George. "NAV CANADA implements ADS-B". In 2009 Integrated Communications, Navigation and Surveillance Conference (ICNS). IEEE, 2009. http://dx.doi.org/10.1109/icnsurv.2009.5172868.

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Saleh A Alsuhaibani, A A Aljnobi e Y N Almajhadi. "Tractors and Tillage Implements Performance". In 2006 CSBE/SCGAB, Edmonton, AB Canada, July 16-19, 2006. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2006. http://dx.doi.org/10.13031/2013.22082.

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Johnson, Richard. "Residue Management with Chisel-Type Implements". In Proceedings of the First Annual Crop Production and Protection Conference. Iowa State University, Digital Press, 1992. http://dx.doi.org/10.31274/icm-180809-383.

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Robert Grisso and John Perumpral e Frank Zoz. "Spreadsheet for Matching Tractors and Implements". In 2006 Portland, Oregon, July 9-12, 2006. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2006. http://dx.doi.org/10.13031/2013.20603.

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Offutt, Jeff, Paul Ammann e Lisa (Ling) Liu. "Mutation Testing implements Grammar-Based Testing". In Second Workshop on Mutation Analysis (Mutation 2006 - ISSRE Workshops 2006). IEEE, 2006. http://dx.doi.org/10.1109/mutation.2006.11.

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Simmons, Chad, Bala Vairavan, Suzanne Abbe, Kenneth Hadash, Chad Simmons e Bala Vairavan. "Fort Worth Implements Thermal Drying of Biosolids". In WEFTEC 2023. Water Environment Federation, 2023. http://dx.doi.org/10.2175/193864718825159028.

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Gong, Haotong. "Implements of Transformer in NLP and DKT". In 2022 4th International Conference on Artificial Intelligence and Advanced Manufacturing (AIAM). IEEE, 2022. http://dx.doi.org/10.1109/aiam57466.2022.00163.

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Pastre, Guilherme Garbossa, Joel Boaretto, Jonatas Lemuel Bispo Zottis, Maicon Molon, Paulo Henrique Conrado, Daniel Galafassi e Leandro Luís Corso. "Study and Development of Photovoltaic Power Generation System for Hybrid Refrigeration Units Applied in Refrigerated Semi-Trailers". In 12th SAE BRASIL Colloquium on Suspensions and Road Implements & Engineering Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2023. http://dx.doi.org/10.4271/2023-36-0363.

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<div class="section abstract"><div class="htmlview paragraph">This article presents the development of a solution that uses solar energy to power refrigerated semi-trailers. The solution employs photovoltaic cells on the surfaces of the semi-trailer, combined with a battery pack, which take advantage of a significant area with solar exposure and generate sufficient electric power to supply the refrigeration unit responsible for controlling the temperature inside the climate-controlled chamber. In addition to providing energy for the refrigeration unit, the solar system can be integrated with the auxiliary traction system used in some semi-trailers, functioning as a range extender for the battery. To achieve the main objectives of this development, studies were conducted to evaluate solar radiation through simulations considering different regions of Brazil. A hardware system was also developed for energy management and to drive the refrigeration unit, combining a high-power drive system composed of filters, DC/DC converters, and transformers to match the voltage levels of the systems, with a microprocessed circuit for functional logic control. As a result, a system capable of operating the refrigeration unit using solar energy was obtained, which can reduce diesel consumption by up to 1800 liters per year.</div></div>

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Eckert, Paulo Roberto, Ben Hur Bandeira Boff, Lucas Follmann, Eduardo da Silva Oliveira, Aly Ferreira Flores Filho, Jeferson Vieira Flores, Eduardo Andre Perondi et al. "Application of Linear Electromagnetic Actuators in Vehicular Suspensions". In 12th SAE BRASIL Colloquium on Suspensions and Road Implements & Engineering Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2023. http://dx.doi.org/10.4271/2023-36-0366.

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<div class="section abstract"><div class="htmlview paragraph">This study comprehensively describes the application of linear electromagnetic actuators in automotive suspension systems, focusing on the electromagnetic force necessary in suspension systems operating in passive, semi-active, and active modes and their capability for energy regeneration. The use of electromagnetic actuators as an alternative to traditional shock absorbers makes easy the energy harvesting that is typically lost during vertical vehicle displacement. An initial sizing technique for dimensioning electromagnetic actuators is applied to estimate the requirements for heavy vehicles. Experimental tests are conducted to validate the proposed method and assess the performance of the electromagnetic actuator in the suspension system for passive, semi-active, and active operations. A suitable extrapolation of the validated data is performed to determine the feasibility of the application of the proposed solution for heavy vehicles and identify potential applications and markets based on the road conditions of the ISO 8608 standard. This study offers a comprehensive approach to determining the actuator force for the suspension system and/or studying its potential for energy regeneration. As a result, it becomes possible to analyze the viability of the actuator replacement and provides important insights for further research and development.</div></div>

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Menino, Bruno G., Felipe Spengler e Felipe Biondo. "Design and Analysis of an Impact Absorber for Battery Pack Protection in Electric Buses using Numerical Simulation". In 12th SAE BRASIL Colloquium on Suspensions and Road Implements & Engineering Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2023. http://dx.doi.org/10.4271/2023-36-0369.

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<div class="section abstract"><div class="htmlview paragraph">This work aimed to analyze the behavior of the rear structure region of an electric bus in a rear collision situation and to create mechanisms capable of absorbing the energy generated by the impact, to guarantee the integrity of the batteries. These, when damaged in a collision, can release different types of flammable electrolytes, and even start a fire, creating a great risk to passengers and other people near to the vehicle. For this purpose, an impact absorber was developed to protect the batteries. Studies were carried out on rectangular cross-section profiles for programmed deformation, known as crash boxes (which aim to convert kinetic energy into deformation energy). Proposals were created based on concepts obtained in the literature and numerically evaluated through explicit numerical simulations based on other similar articles. From these studies it was possible to obtain higher values of energy absorption when compared to a square tube of the same cross-section. After the individual simulations of each crash box, the most effective proposal was applied to the structure together with the other components of the vehicle’s rear structure, these with the function of directing the residual energy to more rigid regions of the vehicle, such as the chassis stringers and its crossbeams, regions connected to the bus body structure. The complete impact absorber validation methodologies were developed specifically for this work based on CONTRAN Resolution No. 629 - Appendix II, which refers to the pendulum test, due to the fact that there are no standards for buses regarding safety of batteries in case of collision. The crash boxes applied to the structure reached an efficiency of approximately 45% of the kinetic energy that was imposed on the impact cell converted into strain energy. In addition, the vehicle was able to meet the proposed approval criteria for the absence of contact between the structure components and the batteries. The methodology was considered efficient in order to represent a collision of a small vehicle in the back of the bus.</div></div>

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Rapporti di organizzazioni sul tema "Implements"

1

Verrill, S. P., D. W. Green e V. L. Herian. TT : a program that implements predictor sort design and analysis. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 1997. http://dx.doi.org/10.2737/fpl-gtr-101.

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Saha, Sunil, e Jon Fricker. User's Manual for the Software "TFPI" that Implements the Traffic Forecasting Procedure for Indiana. West Lafayette, IN: Purdue University, 1991. http://dx.doi.org/10.5703/1288284313414.

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Kling, José, Mathias Vetter, Julie Schindlbeck-Belo, Marion Jegen e Steffen Kutterolf. PointProcessTools.jl (Software). GEOMAR Helmholtz Centre for Ocean Research Kiel, 2024. http://dx.doi.org/10.3289/sw_4_2024.

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This julia package implements various tools for working with simple, non-marked, one dimensional point processes. In special it implements a bootstrap-based goodness-of-fit test for parametric models.

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Pickrell, Mark, e Steve Gilbertson. Progress Report for the Pathfinder Project: A Laser-Based / Fiber Optic IAEA Seal that Implements Spectral Interferometry. Office of Scientific and Technical Information (OSTI), marzo 2022. http://dx.doi.org/10.2172/1859866.

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Author, Not Given. Rising Above the Water: New Orleans Implements Energy Efficiency and Sustainability Practices Following Hurricanes Katrina and Rita (Fact Sheet). Office of Scientific and Technical Information (OSTI), luglio 2012. http://dx.doi.org/10.2172/1046898.

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Kling, Jose, Mathias Vetter, Julie C. Schindlbeck-Belo, Marion D. Jegen e Steffen Kutterolf. Point Process Tools. GEOMAR, giugno 2023. http://dx.doi.org/10.3289/sw_5_2023.

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Abstract (sommario):

This toolbox implements various tools for working with simple, non-marked, one dimensional point processes. The highlight of this toolbox is the new goodness-of-fit test developed for parametric models.

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Rieu, Pierre, Samira Amraoui e Marco Restano. Standalone Multi-mission Altimetry Processor (SMAP). European Space Agency, giugno 2021. http://dx.doi.org/10.5270/esa-cnes.sentinel-3.smap.

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SMAP is a standalone altimeter data processor written in Python 3 (3.7.3). It implements in particular the fully-focused SAR (FF-SAR) processing (both time-domain and frequency-domain algorithms). SMAP is currently able to process Sentinel-3 L1a Ground Segment products. This processor has been developed though studies and projects funded by ESA and CNES.

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Hadley, Isabel. PR164-205102-R01 Application of Probabilistic Fracture Mechanics to Engineering Critical Assessment. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), aprile 2021. http://dx.doi.org/10.55274/r0012093.

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This report summarizes the results of a series of deterministic and probabilistic fracture and fatigue calculations carried out in order to: ? Demonstrate that ProCW correctly implements probabilistic ECA, eg by comparing selected deterministic and probabilistic calculations, ? Show the effect of the choice of K-solution on the fatigue life and POF of pipes containing a circumferential flaw, ? Implement a two-stage probabilistic model of fatigue crack growth, in both air and marine environments, ? Consider the effects of modelling the fatigue crack growth threshold probabilistically, ? Demonstrate the use of ProCW for a representative riser geometry and a complex loading spectrum, ? For the same riser geometry/loading scenario, compare the POF implied by the use of design fatigue safety factors given in DNVGL-ST-F101 [2], DNVGL-RP-F204 [3] and DNVGL-RP-F201 [4] with the POF calculated directly from probabilistic calculations. There is a related webinar.

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Leon-Diaz, John. Updating Investment Forecasts with Macro Consistency. Inter-American Development Bank, maggio 2022. http://dx.doi.org/10.18235/0004882.

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This technical note presents a model to evaluate the costs and benefits of plans to scale up public investment. It creates a theoretical framework that considers the positive effects of investment on growth and, in turn, the impact it can have on government fiscal accounts, particularly debt service. This note is accompanied by a template that implements the proposed methodology, which the author hopes will be useful for the work of country economists at the Inter-American Development Bank.

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Caldés, Natalia, John A. Maluccio e David Coady. The Cost of Poverty Alleviation Transfer Programs: A Comparative Analysis of Three Programs in Latin America. Inter-American Development Bank, dicembre 2004. http://dx.doi.org/10.18235/0008719.

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A common criticism of antipoverty programs is that the high share of administrative (nontransfer) costs substantially reduces their effectiveness. Yet there is surprisingly little rigorous empirical evidence on program costs. This study proposes and implements a replicable methodology for a comparative cost analysis of three similar poverty alleviation programs in Honduras, Mexico and Nicaragua, and assesses their cost efficiency. The findings underscore that any credible assessment of cost-efficiency requires a detailed analysis of program cost structures that goes well beyond simply providing aggregate cost information.

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