Relevant bibliographies by topics / Roller system

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Roller system'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Roller system"

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Antonov, P. V., N. L. Bolobanova, and E. A. Garber. "Perfection of a modelling method of cold rolling mill rollers profiling to increase accuracy of rolled strip cross profile forming." Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 75, no. 6 (2019): 718–24. http://dx.doi.org/10.32339/0135-5910-2019-6-718-724.

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Profiling of rollers, apart from the means of inter-rollers gap control, determines the accuracy of rolled strip cross profile forming and their flatness. A number of articles is devoted to the items of rollers profiling modelling. Based on their study a task of development of strip mill rollers profiling modelling methodology formulated. The methodology based on working rollers generating lines building by geometric summarizing of grinding curves, curves of thermal profile and wear profile curves with elastic deformation curves and further elaboration of a perfected profiling of the 2100 mill
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Pishnograev, Roman, Sergey Lukyanov, Oksana Logunova, Nikolay Shvidchenko, and Dmitriy Shvidchenko. "DIAGNOSIS OF THE ELECTRIC DRIVE OF THE DISCHARGE ROLLER CONVEYOR OF A WIDE-STRIP HOT MILL." Bulletin of the South Ural State University series "Power Engineering" 22, no. 1 (2022): 78–88. http://dx.doi.org/10.14529/power220109.

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Abstract. The purpose of the study is to develop an automated system for technical diagnostics of the state and regu-lation of the electric drive of the rollers of the collector roller table at a wide hot rolling mill based on change in the load currents of the rollers electric motors. The system allows the quality of finished rolled products and the produc-tivity of the mill to be enhanced due to the timely detection of faulty equipment and its rapid replacement based on the results of diagnostics. The following methods of diagnostics of the electric drive of the diverting roller table and it
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Kornecki, Ted S. "Effects of Different Rollers and Rye Termination Methods on Soil Moisture and Cotton Production in a No-Till System." Journal of Cotton Science 24, no. 4 (2020): 197–210. http://dx.doi.org/10.56454/oiqc6221.

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In the southern U.S., rollers/crimpers are used to terminate cover crops approximately 3 weeks before planting cotton when the cover crop reaches > 90% termination. When spring is wet or cold, the 3-week period is reduced to keep recommended planting dates. A 3-year experiment was initiated in Alabama to determine the effectiveness of a 4-stage roller/crimper in increasing termination rates for cereal rye compared to 2-stage and spiral rollers/crimpers in rolling 1, 2, and 3 times over rye along with a single-pass smooth roller with glyphosate application. Effects of rye termination at 7, 1
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Bharti, Neena, Jaipal Singh Choudhary, and Usha Yadav. "Impact of Weather Parameters on Population Dynamics of Litchi Leaf Roller, Dudua aprobola (Meyrick, 1886) on Litchi in Eastern Plateau and Hill Region of India." International Journal of Plant & Soil Science 37, no. 4 (2025): 143–48. https://doi.org/10.9734/ijpss/2025/v37i45395.

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The influence of weather factors on the population dynamics of the litchi leaf roller, Dudua (=Platypeplus) aprobola, was studied at ICAR RCER, Farming System Research Centre for Hill and Plateau Region (ICAR RCER, FSRCHPR), Ranchi during the years 2023- 2024. The relationship between temperature, rainfall, and leaf rollers was established. The population pattern of leaf rollers was observed more or less the same in both years. The highest incidence of the leaf roller occurred during the 40th and 41st standard meteorological weeks (SMW) in both years (1.6 to 2.5 rolled leaves per shoot). The c
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Hua, D. Y., K. Farhang, and L. E. Seitzman. "A Multi-Scale System Analysis and Verification for Improved Contact Fatigue Life Cycle of a Cam-Roller System." Journal of Tribology 129, no. 2 (2007): 321–25. http://dx.doi.org/10.1115/1.2540572.

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Surface distress in the form of contact fatigue is encountered in cam-roller systems. The contact fatigue appears to be initiated at micrometer-scale subsurface region. High stress is a result of the macro-scale requirement on the cam-roller motion event that produces high contact loads due to inertia of the roller and its follower link. Sliding of the roller and its impact onto the cam surface further compounds the detrimental effect of contact load. While conventionally a Hertz contact stress analysis can be used in ascertaining contact stress and maximum subsurface von Mises stress, it gene
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Wheatley, Greg, and Mohammad Zaeimi. "Composite Shaftless Roller Design for Conveyor System." Periodica Polytechnica Mechanical Engineering 65, no. 3 (2021): 261–68. http://dx.doi.org/10.3311/ppme.17554.

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Improving the performance of idlers is paramount to the performance of the conveyor system in various industries since belt conveyors can be many kilometers in length and consequently there are a huge number of rollers in use. The key intention of this work is the development of a light-weight composite idler roller. Critical design considerations are strength-to-weight ratio and performance. Most importantly, the design must reduce the weight of the roller as compared to standard steel rollers. The final design provides a significant reduction in weight of about 47 % over that of traditional
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Nangare, Vikram Ashok, and Dr P. R. Sonawane. "Design, Analysis and Weight Optimization of Roller Conveyor System by using Glass Fiber Composite Material." International Journal for Research in Applied Science and Engineering Technology 10, no. 7 (2022): 1681–87. http://dx.doi.org/10.22214/ijraset.2022.45569.

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Abstract: In this paper I studied problem in existing conveyor system and optimized critical part of roller conveyor system like Roller. Industrial roller conveyor having MS rollers due to this sagging is induced in roller support. Hence Company required optimizing weight of roller to avoid sagging. Paper contains geometrical modelling and finite element analysis of existing design and optimizes design. Geometrical modelling is done Using CATIA V5R20 and FEA was done with the help of ANSYS 14.5. also manufacturing of new roller using glass fiber material and testing of both roller by using UTM
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Voicu, M. C., B. Lammen, R. Schmidt, and I. Maniu. "Simulation of Bending Vibrations of a Roller System." Applied Mechanics and Materials 162 (March 2012): 47–56. http://dx.doi.org/10.4028/www.scientific.net/amm.162.47.

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To improve the efficiency of printing or coating processes for paper products the velocity of the web and the roller width can be increased. However, these measures cause deformations of the rollers, heating effects and streak print defects due to undesirable oscillations. The vibration characteristic is significant for the quality and efficiency of the printing or coating processes. Approved methods like balancing of the rollers and maximizing the bending stiffness have come to technical limits. This paper describes a new promising technology for further optimization of printing and coating m
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Chu, Hong Yan, Jun Tao Zhao, and Li Gang Cai. "Research on the Motion Mechanism of Offset Press's Ink Roller." Applied Mechanics and Materials 423-426 (September 2013): 1459–66. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1459.

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The hard roller and soft roller are alternately arranged in the inking system of offset press. The ink vibrator is a hard roller which transmits the motion to the ink distributing roller. In order to analyze the motion mechanism of the ink roller, a model of an ink distributing roller and an ink vibrator is built up by using the software ANSYS. After the simulation of the motion, the force on the contact area of the ink distributing roller and the rotation speed of both rollers are analyzed. The result is that the ink distributing roller rotates with tangential force on the contact area and th
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Zaichenko, Stefan, O. O. Seminskyi, Natalia Zhukova, Denys Derevianko, and Vadym Shalenko. "SPECIFICS OF DIAGNOSTICS OF TECHNICAL CONDITION OF TRANSPORT AND TECHNOLOGICAL SYSTEM “MINING GAS PIPELINE – MINE WORKING”." Geoengineering, no. 7 (December 5, 2022): 74–82. http://dx.doi.org/10.20535/2707-2096.7.2022.267610.

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The purpose. Study of the physical and mechanical processes that accompany the operational cycle of conveyor rollers with the aim of establishing the main factors that affect the resource and justifying the design of the seal to ensure the maximum period of operation and production costs.
 Methodology. To achieve the goal, the regularities of the main processes accompanying the operational cycle of the conveyor roller, thermal expansion and cooling of the roller space - "breathing", heating of the roller from atmospheric effects, friction of the roller on the conveyor belt and in the bear
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Dissertations / Theses on the topic "Roller system"

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Åkesson, Malin, and Hanne Johansen. "Nya system, Nya roller : -En litteraturstudie av affärssystemens effekt på ekonomers roller." Thesis, Uppsala University, Department of Business Studies, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-9433.

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<p>Denna litteraturstudie undersöker affärssystemens effekt på ekonomers ändrade roller. Syftet är att skapa en översikt över vad som tidigare skrivits om effekterna för ekonomer vid implementering av ett affärssystem. Avsikten är att skapa en förståelse för vad tidigare forskning bidragit med och därmed få en bättre bild om vad det skulle kunna forskas mer om. För att få en översikt över tidigare forskning samlades artiklar inom detta ämne från vetenskapliga tidskrifter. Artiklarna delades in efter val av metod och huvudgrupperingen var ”studier med case” och ”studier utan case”. Studien har
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Smith, Douglas H. (Douglas Hession). "Tapered roller bearing ballscrew support system." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/34052.

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Andres, George. "Shape Measurement System for Roller Levelers." Youngstown State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1432818521.

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Bomba, Richard D. "On axial vibration of a web-idle roller system /." Online version of thesis, 1990. http://hdl.handle.net/1850/10606.

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You, You, and Daxin Chen. "Modal Analysis on a MIMO System : For an asphalt roller CC1200." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-10998.

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Impact hammer is the current modal testing way in Dynapac testing department. Due to highly damped characteristic of big construction machines, there are a few weaknesses for modal testing when using hammer, such as short response time, limited frequency resolution, poor quality of frequency response functions. Therefore, a more advanced excitation equipment is needed to improve the measurement quality. The object for this study is to compare two different measuring methods. The thesis will show a comparison between the hammer testing and the shaker MIMO testing compared with analytical model
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Saamel, Maria, and Anh Pham. "Kartläggning av införandet av ett nytt verksamhetsstödjande system och användarnas olika roller : En fallstudie på Norrköpings kommun." Thesis, Linköpings universitet, Informatik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-118275.

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IT-system används dagligen av människor i deras arbete för att underlätta och stödja dem. Det har blivit ett merdigitalt samhälle och de flesta myndigheter och organisationer använder sig av IT-system för att bland annat effektivisera det dagliga arbetet. Detta kan medföra att komplexiteten ökar i interaktionen mellan användare och IT-system och därmed ställa högre krav på systemet. Tidigare kunskap lyfter fram det viktiga arbetet med användarna när man inför ett nytt IT-system i en organisation, men trots detta framkommer det i media att misslyckade IT-projekt är vanligt. Projektledningen har
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Girardin, Benoit. "Contact stress analysis and fatigue life prediction for a cam-roller follower system." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-09052009-041041/.

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Kreuer, Blake R. "Bond shear strength of a rigid pavement system with a roller compacted concrete base." Skokie, Ill. : Portland Cement Association, 2006. http://www.cement.org/bookstore/profile.asp?itemid=SN2990.

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Jonsson, Daniel. "Betal- och biljettsystem i kollektivtrafik : en kartläggning av aktörer och roller." Thesis, Uppsala universitet, Avdelningen för datalogi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-142524.

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An Interoperable Fare Management system for public transport has been a struggle for the actors in industry of public transport. A lot of effort has been put into creating a smart card solution that enables the travellers to use the same card for paying and holding the ticket regardless geographical position in Sweden. That project has failed, mostly due to a lack of taking non-technical actors and aspects into consideration during the project process. This thesis highlights the major actors and their responsibilities. The ARKTRANS framework is used as analytical tool to identify different rol
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Oosthuizen, Jan Stephanus. "Development of a twin screw extruder with an integrated cooling roller system / Jan Stephanus Oosthuizen." Thesis, North-West University, 2011. http://hdl.handle.net/10394/8070.

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The Center for Advanced Manufacturing at the Potchefstroom campus of the North West University aims to develop a twin screw extruder that is able to process powder coating resin. The facility has thus far produced various components and sub systems for local and international manufacturers of extrusion products. The research presented in this thesis aims to both develop a twin screw extruder with an integrated cooling roller system and to investigate of the performance of a twin screw extruder. The development of a twin screw extruder consists of the selection of the drive section of the extru
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Books on the topic "Roller system"

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Corporation, Psychological, ed. Integrated assessment system.: Roller coasters. Psychological Corporation, 1992.

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Institute, Rolling Bearing, ed. Bearing failure analysis system, BFAS. Rolling Bearing Institute, 1993.

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Schweiger, Paul G. Facing systems for roller-compacted concrete dams & spillways. Portland Cement Association, 2001.

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Material Handling Industry (Organization : Charlotte, N.C.). Conveyor Product Section., ed. Noise considerations for the design, specification, and installation of roller conveyor systems. Conveyor Product Section, Material Handling Industry, 1997.

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Stuttgart, Universität, ed. Die Wirkung nicht-photischer Stimuli und die Rolle von Serotonin im circadianen System der Ratte. [s.n.], 1998.

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Gödel, Sophia. Das Umweltprogramm der Vereinten Nationen (UNEP) und seine Rolle im System der international environmental governance. Peter Lang, 2006.

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1957-, Maier Helmut, ed. Gemeinschaftsforschung, Bevollmächtigte und der Wissenstransfer: Die Rolle der Kaiser-Wilhelm-Gesellschaft im System kriegsrelevanter Forschung des Nationalsozialismus. Wallstein, 2007.

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Singh, Rajendra. Vibration transmission through rolling element bearings in geared rotor systems. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1990.

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Jain, Shobhita. Sexual equality: Workers in an Asian plantation system. Sterling Publishers, 1988.

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Makarenkov, Dmitriy, and Vyacheslav Nazarov. Technique and technology of granulation of multicomponent polydisperse materials using combined processes of their preparation. INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1873862.

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The monograph examines the theoretical foundations and practice of granulating multicomponent polydisperse waste in various hardware design. Methods of structuring multicomponent polydisperse materials have been developed, the role of technological additives and mechanical activation processes has been revealed, which allows reducing energy consumption in granulation processes. Physical models of compaction of multicomponent polydisperse materials in granulating equipment with deformation foci of various shapes are proposed. The system analysis of chemical and technological processes of granul
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Book chapters on the topic "Roller system"

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Stary, F., and V. Hanus. "System of Low Profile Roller Conveyors." In The Latest Methods of Construction Design. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-22762-7_52.

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Van Quynh, Le, Nguyen Tien Duy, Nguyen Van Liem, Bui Van Cuong, and Le Xuan Long. "Optimal Design of Cab’s Isolation System for a Single-Drum Vibratory Roller." In Advances in Engineering Research and Application. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-64719-3_68.

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Huang, He, Xishen Chen, Wugang Li, and Zhuoqiu Li. "The System of Simulation and Multi-objective Optimization for the Roller Kiln." In Advanced Research on Electronic Commerce, Web Application, and Communication. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20370-1_60.

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Ptachenchuk, Vitalij, Viktor Denysiuk, Yuri Lapchenko, Volodymyr Symoniuk, and Oleksandr Reshetylo. "Automated Control System Qualities of Roller Bearings in Butt End Grinding Operations." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-95211-1_19.

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He, Wei. "Research on Special Vision Recognition and Fault Alarm System for Vertical Roller." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-1694-7_18.

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Nakagaki, Ken, Keina Konno, Shuntaro Tashiro, et al. "Petanko Roller: A VR System with a Rolling-Pin Haptic Interface for Entertainment." In Lecture Notes in Computer Science. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-03161-3_12.

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Lin, Xichen, Weihong Yang, Yan Bi, Wenhui Li, Xinjian Zhang, and Min Kong. "Diagnosis on Wrinkle in Film Transmission System and Study on Roller Traction Characteristics." In Advances in Artificial Systems for Medicine and Education VI. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-24468-1_10.

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Paulmichl, Ivan, Christoph Adam, and Dietmar Adam. "A Numerical Study on the Response of the Oscillation Roller-Soil Interaction System." In Advanced Structured Materials. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79325-8_14.

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Patel, U. A., and S. H. Upadhyay. "Effect of Localized Defect on the Vibration Behavior of Cylindrical Roller Bearing-Rotor System." In Lecture Notes in Mechanical Engineering. Springer India, 2013. http://dx.doi.org/10.1007/978-81-322-1656-8_27.

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Zhu, Kexin, Kun Xia, Xiao Fu, Qingqing Yuan, and Wei Luo. "Measurement and Control System of Planetary Roller Screw Transmission Efficiency Test Bench Based on LabVIEW." In Conference Proceedings of 2022 2nd International Joint Conference on Energy, Electrical and Power Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-4334-0_25.

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Conference papers on the topic "Roller system"

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Mak, W., R. Miller, and C. Cusano. "Finite element analysis of a roller bearing system with flexible rollers." In 35th Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics, 1994. http://dx.doi.org/10.2514/6.1994-1412.

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Kremer, John M., and Paris Altidis. "Roller One-Way Clutch System Resonance." In International Congress & Exposition. SAE International, 1998. http://dx.doi.org/10.4271/981093.

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McGehee, D. Y., J. S. Dahlem, J. C. Gieck, et al. "The IADC Roller Bit Classification System." In IADC/SPE Drilling Conference. Society of Petroleum Engineers, 1992. http://dx.doi.org/10.2118/23937-ms.

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Utsuka, Koichi, Yoshio Kurihara, and Masao Fujiwara. "An Automatic Vibrating Roller Operation System." In 9th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 1992. http://dx.doi.org/10.22260/isarc1992/0087.

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Brickman, Dennis B., and Ralph L. Barnett. "Safety Analysis of Roller Compactors Exposed to Rollover." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0337.

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Abstract Roller compactors exhibit a high resistance to rollover which may be attributed to their low center of gravity, full width rollers, low speed, responsive braking system, high visibility, and operator profile. Tilt table testing of an Ingram pneumatic roller compactor demonstrates that its lateral stability normally exceeds or is comparable to other workplace vehicles. To eliminate or mitigate injuries resulting from roller compactor rollover excursions, a rollover protective structure (ROPS) and seat belt system has been widely debated as a proper countermeasure. Clearly, the roller c
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Hua, D. Y., K. Farhang, and L. E. Seitzman. "Improved Fatigue Life Cycle Using Surface Finish and Surface Coating in a Cam-Roller System: Multi-Scale System Analysis and Verification." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63310.

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Surface failure in the form of pitting wear is encountered in cam-roller systems. The failure appears to be initiated at micron-scale subsurface region. High stress is a result of the macro-scale requirement on the cam-roller motion event that produces high contact loads due to inertia of the roller and its follower link. Sliding of the roller and its impact onto the cam surface further compounds the detrimental effect of contact load. While conventionally a Hertz contact stress analysis can be used in ascertaining contact stress and maximum subsurface von Mises stress, it generally underestim
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Chen, Yitao, Zhifeng Song, and Rui Wang. "Coil unwinding roller operation system design of the hot rolled leveling line." In 2010 2nd International Conference on Industrial Mechatronics and Automation (ICIMA 2010). IEEE, 2010. http://dx.doi.org/10.1109/icindma.2010.5538346.

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McGehee, D. Y., J. S. Dahlem, J. C. Gieck, et al. "The IADC Roller Bit Dull Grading System." In IADC/SPE Drilling Conference. Society of Petroleum Engineers, 1992. http://dx.doi.org/10.2118/23938-ms.

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Pfeiffer, Friedrich. "Dynamics of Roller Coasters." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84093.

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Roller coasters are dynamically multibody systems with unilateral contacts due to the usual raceway design including straight parts and bends. In running down such tracks and passing parts of the track with changing curvature impacts with friction are generated in the track-wheel contacts. The impacts are always connected with large overloads of the wheels sometimes leading to damages. To investigate these problems the roller coaster carriages are modelled as a non-smooth multibody system with impacts and stick-slip processes. The results in terms of wheel loads are used to improve wheel desig
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Diaconu, Nicoale, Lorena Deleanu, and Iulian Gabriel Biˆrsan. "Influence of Testing Parameters on the Surface Quality of Steel Roller-Roller System Under Grease Lubrication." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-25347.

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This paper presents the influence of commanding parameters as load and relative sliding speed, on the surface characteristics. Tests were done on a roller-roller tribotester. There were studied the influence of load, relative sliding speed and lubricant on the skewness and the kurtosis of the surface profile, but also on common parameters such as Ra and Rz. Such a study may be used for selecting a suitable lubricant (especially grease), after testing it under severe conditions, close to the actual ones. Profilograms indicate that treated steel has a better tribological behavior, under the abov
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Reports on the topic "Roller system"

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London, Jonathan. Outlier Vietnam and the Problem of Embeddedness: Contributions to the Political Economy of Learning. Research on Improving Systems of Education (RISE), 2021. http://dx.doi.org/10.35489/bsg-rise-wp_2021/062.

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Recent literature on the political economy of education highlights the role of political settlements, political commitments, and features of public governance in shaping education systems’ development and performance around learning. Vietnam’s experiences provide fertile ground for the critique and further development of this literature including, especially, its efforts to understand how features of accountability relations shape education systems’ performance across time and place. Globally, Vietnam is a contemporary outlier in education, having achieved rapid gains in enrolment and strong l
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Lilavanichakul, Apichaya. Sustainable Agri-Food System and Resilience in Thailand - Exploring Technology-Driven Solutions for a Resilient Future. Asian Productivity Organization, 2025. https://doi.org/10.61145/gthi4179.

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The agri-food system faces critical challenges from climate change, food insecurity, and rising consumer demands for transparency. This report explores technology-driven solutions such as digital agriculture, vertical farming, and circular economy practices to enhance sustainability and resilience. It emphasizes the role of stakeholders in addressing systemic vulnerabilities exposed by the COVID-19 pandemic and climate disruptions. Adopting equitable practices and stringent climate policies can create a sustainable future for global food systems.
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Badrinarayan, Aneesha. Instructionally relevant assessment systems: What is the role of performance assessments? Learning Policy Institute, 2025. https://doi.org/10.54300/177.512.

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This report defines performance assessments and discusses what features of performance assessments make them particularly compelling to system leaders who are centering instructional impact in their assessment system design. It also discusses major features of performance assessments that are intended to be used as part of assessment designs that generate trustworthy and comparable student scores. Finally, it highlights existing systems that leverage performance assessments as part of high-stakes assessment designs.
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Badrinarayan, Aneesha. Instructionally relevant assessment systems: What is the role of performance assessments? Learning Policy Institute, 2025. https://doi.org/10.54300/411.469.

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This report defines performance assessments and discusses what features of performance assessments make them particularly compelling to system leaders who are centering instructional impact in their assessment system design. It also discusses major features of performance assessments that are intended to be used as part of assessment designs that generate trustworthy and comparable student scores. Finally, it highlights existing systems that leverage performance assessments as part of high-stakes assessment designs.
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Bussard, Robert W., and Katherine E. King. Electron Recirculation in Electrostatic Multicusp Systems: II - System Performance Scaling of One-Dimensional 'Rollover' Wells. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada257942.

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Raju, Nivedita, and Tytti Erästö. The Role of Space Systems in Nuclear Deterrence. Stockholm International Peace Research Institute, 2023. http://dx.doi.org/10.55163/nwlc4997.

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This paper is the first of two exploring nuclear escalation risks in connection with the space domain, with a focus on China, Russia and the United States. Space systems are used for multiple civilian and military purposes, including missions related to nuclear deterrence. Consequently, real and perceived military operations targeting space systems may create pathways to nuclear escalation. China, Russia and the USA possess both nuclear weapons and counterspace capabilities and are at risk of being drawn into war with each other through regional conflicts and great power competition. These sta
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Pforr, Tobias, Fabian Pape, and Steffen Murau. After the Allocation: What Role for the Special Drawing Rights System? Institute for New Economic Thinking Working Paper Series, 2022. http://dx.doi.org/10.36687/inetwp180.

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In August 2021, the IMF made a new SDR allocation to help ease pandemic-induced financial strains in the Global South. This paper assesses the potential of the SDR system to address debtrelated problems in global finance. We analyze the SDR system as a web of interlocking balance sheets whose members can use SDR holdings—the system’s tradable assets—for conversion into usable currency as a perpetual low-interest loan or to make payments to each other. Using original IMF data, we study how the system has been practically used since 1990. Though widely perceived as a solution in search of a prob
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Kemper, Bart. Developing the Role of the System Software Integrator to Mitigate Digital Infrastructure Vulnerabilities. SAE International, 2023. http://dx.doi.org/10.4271/epr2023028.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Traditional physical infrastructure increasingly relies upon software. Yet, 75% of software projects fail in budget by 46% and schedule by 82%. While other systems generally have a “responsible-in-charge” (RIC) professional, the implementation of a similar system of accountability in software is not settled. This is a major concern, as the consequences of software failure can be a matter of life-or-death. Further, there has been a 742% average annual increase in software supply chain attacks on increasingly used open-sou
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Kaffenberger, Michelle. The Role of Purpose in Education System Outcomes: A Conceptual Framework and Empirical Examples. Research on Improving Systems of Education (RISE), 2022. http://dx.doi.org/10.35489/bsg-risewp_2022/118.

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In many low- and middle-income countries that have achieved significant gains in learning outcomes, higher income and resources and greater knowledge of what to do to achieve learning cannot explain the differences in outcomes relative to lower performing countries. Such cases yield complex questions of “how” and “why” success was achieved. In this paper, I propose a conceptual framework for understanding drivers of education system performance and use it to argue that consensus-based commitment to the purpose of learning is a critical missing link to addressing the learning crisis. I then app
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Benzie, Magnus, Sophie Desmidt, Adrien Detges, et al. The role of Europe in building system-wide resilience to cross-border climate impacts. Edited by Hanne Knaepen. European Centre for Development Policy Management, 2023. http://dx.doi.org/10.55317/casc028.

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This report discusses how the European Union (EU) and the EU member states, individually, collectively, and through their cooperation with international organisations, address cascading and cross-border climate impacts in agri-food systems in third countries with close ties to Europe. It also sheds light on Europe’s main strategic challenges to building system-wide resilience in the face of cross-border climate impacts and provides policy recommendations on overcoming them.
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