Academic literature on the topic 'Robotic WAAM'

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Journal articles on the topic "Robotic WAAM"

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Chen , Heping, Ahmed Yaseer, and Yuming Zhang . "Top Surface Roughness Modeling for Robotic Wire Arc Additive Manufacturing." Journal of Manufacturing and Materials Processing 6, no. 2 (2022): 39. http://dx.doi.org/10.3390/jmmp6020039.

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Wire Arc Additive Manufacturing (WAAM) has many applications in fabricating complex metal parts. However, controlling surface roughness is very challenging in WAAM processes. Typically, machining methods are applied to reduce the surface roughness after a part is fabricated, which is costly and ineffective. Therefore, controlling the WAAM process parameters to achieve better surface roughness is important. This paper proposes a machine learning method based on Gaussian Process Regression to construct a model between the WAAM process parameters and top surface roughness. In order to measure the
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Parmar, Khushal, Lukas Oster, Samuel Mann, et al. "Development of a Multidirectional Wire Arc Additive Manufacturing (WAAM) Process with Pure Object Manipulation: Process Introduction and First Prototypes." Journal of Manufacturing and Materials Processing 5, no. 4 (2021): 134. http://dx.doi.org/10.3390/jmmp5040134.

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Wire Arc Additive Manufacturing (WAAM) with eccentric wire feed requires defined operating conditions due to the possibility of varying shapes of the deposited and solidified material depending on the welding torch orientation. In consequence, the produced component can contain significant errors because single bead geometrical errors are cumulatively added to the next layer during a building process. In order to minimise such inaccuracies caused by torch manipulation, this article illustrates the concept and testing of object-manipulated WAAM by incorporating robotic and welding technologies.
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Dolynenko, V. V., E. V. Shapovalov, and V. A. Kolyada. "Creation and Modeling of a Robotic Cell to Prepare Drilling Tools Using Waam Additive Manufacturing Technology." Èlektronnoe modelirovanie 46, no. 4 (2024): 112–27. http://dx.doi.org/10.15407/emodel.46.04.112.

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The development and modeling procedure of a robotic cell that uses the electric arc surfacing technique to manufacture a technological drilling tool using WAAM ("Wire and Arc Additive Manufacturing") additive manufacturing technology is shown. The goal of this endeavor is to draft suggestions and technical specifications for an actual WAAM robotic system. The writ-ers have focused their attention on two areas: 1) The kinematic scheme and tool movement tra-jectory of the welding robot are developed and modeled; 2) The MIG/MAG surfacing process in the drilling tool fabrication is mathematically
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Bellamkonda, Prasanna Nagasai, Malarvizhi Sudersanan, and Balasubramanian Visvalingam. "Characterisation of a wire arc additive manufactured 308L stainless steel cylindrical component." Materials Testing 64, no. 10 (2022): 1397–409. http://dx.doi.org/10.1515/mt-2022-0171.

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Abstract Wire arc additive manufacturing (WAAM) is an additive manufacturing (AM) technology that uses a modified robotic welding machine to manufacture parts in a layer-by-layer pattern. In the current study, a 308L stainless steel (SS) cylindrical component was manufactured by WAAM technique using gas metal arc welding (GMAW) process. The mechanical and microstructural characteristics of the deposited WAAM 308L SS cylinder were investigated. The microhardness of the WAAM SS cylinder varied slightly along the building direction. The lower zone of the cylinder showed higher hardness than the m
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Dugar, Jaka, Awais Ikram, Damjan Klobčar, and Franci Pušavec. "Sustainable Hybrid Manufacturing of AlSi5 Alloy Turbine Blade Prototype by Robotic Direct Energy Layered Deposition and Subsequent Milling: An Alternative to Selective Laser Melting?" Materials 15, no. 23 (2022): 8631. http://dx.doi.org/10.3390/ma15238631.

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Additive technologies enable the flexible production through scalable layer-by-layer fabrication of simple to intricate geometries. The existing 3D-printing technologies that use powders are often slow with controlling parameters that are difficult to optimize, restricted product sizes, and are relatively expensive (in terms of feedstock and processing). This paper presents the development of an alternative approach consisting of a CAD/CAM + combined wire arc additive-manufacturing (WAAM) hybrid process utilizing the robotic MIG-based weld surfacing and milling of the AlSi5 aluminum alloy, whi
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Kloft, Harald, Linus Paul Schmitz, Christoph Müller, Vittoria Laghi, Neira Babovic, and Abtin Baghdadi. "Experimental Application of Robotic Wire-and-Arc Additive Manufacturing Technique for Strengthening the I-Beam Profiles." Buildings 13, no. 2 (2023): 366. http://dx.doi.org/10.3390/buildings13020366.

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In recent years, the use of Wire-and-Arc Additive Manufacturing (WAAM) for strengthening standardized steel elements received significant interest within the research community. The reason for this lies in the theoretical potential of WAAM to improve the economic and environmental aspects of contemporary steel construction through efficient material consumption. As efficiency is often obtained through detailed design study, the paper presents a design exploration of suitable stiffener geometries under the assumption of infinite geometrical freedom. The assumption is eventually invalidated as p
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Zimermann, Rastislav, Ehsan Mohseni, Momchil Vasilev, et al. "Collaborative Robotic Wire + Arc Additive Manufacture and Sensor-Enabled In-Process Ultrasonic Non-Destructive Evaluation." Sensors 22, no. 11 (2022): 4203. http://dx.doi.org/10.3390/s22114203.

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The demand for cost-efficient manufacturing of complex metal components has driven research for metal Additive Manufacturing (AM) such as Wire + Arc Additive Manufacturing (WAAM). WAAM enables automated, time- and material-efficient manufacturing of metal parts. To strengthen these benefits, the demand for robotically deployed in-process Non-Destructive Evaluation (NDE) has risen, aiming to replace current manually deployed inspection techniques after completion of the part. This work presents a synchronized multi-robot WAAM and NDE cell aiming to achieve (1) defect detection in-process, (2) e
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Suat, Yildiz, Baris Koc, and Oguzhan Yilmaz. "Building strategy effect on mechanical properties of high strength low alloy steel in wire + arc additive manufacturing." Zavarivanje i zavarene konstrukcije 65, no. 3 (2020): 125–36. http://dx.doi.org/10.5937/zzk2003125s.

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Wire arc additive manufacturing (WAAM) which is literally based on continuously fed material deposition type of welding processes such as metal inert gas (MIG), tungsten inert gas (TIG) and plasma welding, is a variant of additive manufacturing technologies. WAAM steps forward with its high deposition rate and low equipment cost as compared to the powder feed and laser/electron beam heated processes among various additive manufacturing processes. In this work, sample parts made of low allow high strength steel (ER120S-G) was additively manufactured via WAAM method using robotic cold metal tran
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Derekar, Karan, Jonathan Lawrence, Geoff Melton, Adrian Addison, Xiang Zhang, and Lei Xu. "Influence of Interpass Temperature on Wire Arc Additive Manufacturing (WAAM) of Aluminium Alloy Components." MATEC Web of Conferences 269 (2019): 05001. http://dx.doi.org/10.1051/matecconf/201926905001.

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Wire arc additive manufacturing (WAAM) technique has revealed the potential of replacing existing aerospace industry parts manufactured by traditional manufacturing routes. The reduced mechanical properties compared to wrought products, the porosity formation, and solidification cracking are the prime constraints that are restricting wide-spread applications of WAAM products using aluminium alloys. An interpass temperature is less studied in robotic WAAM and is the vital aspect affecting the properties of a formed product. This paper highlights the effects of change in interpass temperature on
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Rauch, Matthieu, Jean-Yves Hascoet, and Vincent Querard. "A Multiaxis Tool Path Generation Approach for Thin Wall Structures Made with WAAM." Journal of Manufacturing and Materials Processing 5, no. 4 (2021): 128. http://dx.doi.org/10.3390/jmmp5040128.

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Wire Arc Additive Manufacturing (WAAM) has emerged over the last decade and is dedicated to the realization of high-dimensional parts in various metallic materials. The usual process implementation consists in associating a high-performance welding generator as heat source, a NC controlled 6 or 8 degrees (for example) of freedom robotic arm as motion system and welding wire as feedstock. WAAM toolpath generation methods, although process specific, can be based on similar approaches developed for other processes, such as machining, to integrate the process data into a consistent technical data
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Dissertations / Theses on the topic "Robotic WAAM"

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Wang, Zeya. "Robotisation de la fabrication additive par procédé arc-fil : Identification et amélioration de la commande." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0068.

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La fabrication additive de pièces métalliques a fait l'objet d'un vif intérêt ces dernières années comme une solution technologique importante pour la réalisation de pièces complexes. Parmi les différents procédés de la fabrication additive métallique, la fabrication additive arc-fil (FAAF) utilisant le soudage CMT (Cold metal transfer) est retenue pour notre étude grâce à son taux de dépôt important, faible coût des équipements et peu de perte de matière par projections lors de la fabrication. Dans la littérature, il est constaté que l'un des problèmes les plus importants qui empêchent l'appl
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Townsend, William T. (William Thomas). "The Effect of Transmission Design on Force-Controlled Manipulator Performance." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/6835.

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Previous research in force control has focused on the choice of appropriate servo implementation without corresponding regard to the choice of mechanical hardware. This report analyzes the effect of mechanical properties such as contact compliance, actuator-to-joint compliance, torque ripple, and highly nonlinear dry friction in the transmission mechanisms of a manipulator. A set of requisites for high performance then guides the development of mechanical-design and servo strategies for improved performance. A single-degree-of-freedom transmission testbed was constructed that conf
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Martins, Ana Margarida Andrade. "Análise da Alteração da Massa Aparente de Robôs Utilizando Controlo de Binário." Master's thesis, 2015. http://hdl.handle.net/10316/40472.

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(9179864), John Foster. "Advanced Control Strategies for Diesel Engine Thermal Management and Class 8 Truck Platooning." Thesis, 2020.

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<div> <div> <div> <p>Commercial vehicles in the United States account for a significant fraction of greenhouse gas emissions and NOx emissions. The objectives of this work are reduction in commercial vehicle NOx emissions through enhanced aftertreatment thermal management via diesel engine variable valve actuation and the reduction of commercial vehicle fuel consumption/GHG emissions by enabling more effective class 8 truck platooning. </p> <p><br></p><p>First, a novel diesel engine aftertreatment thermal management strategy is proposed which utilizes a 2-stroke breathing variable value actuat
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Books on the topic "Robotic WAAM"

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S, Antrazi Sami, and United States. National Aeronautics and Space Administration., eds. Semiannual progress report on autonomous berthing/unberthing of a work attachment mechanism/work attachment fixture (WAM/WAF). Catholic University of America, Dept. of Electical Engineering, 1992.

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Jingjue, Jiang, Lu Jiaheng, Hong Liang, Liu Bin, and SpringerLink (Online service), eds. Web-Age Information Management: WAIM 2011 International Workshops: WGIM 2011, XMLDM 2011, SNA 2011, Wuhan, China, September 14-16, 2011, Revised Selected Papers. Springer Berlin Heidelberg, 2012.

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Prescott, Tony J. Mammals and mammal-like robots. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199674923.003.0045.

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Mammals are warm-blooded tetrapod vertebrates that evolved from reptilian ancestors during the late Triassic period around 225 million years ago. This chapter focuses on some of the most distinctive mammalian characteristics and on integrated robotic systems that seek to capture these capabilities in biomimetic artifacts. Topics covered include the mammalian brain, novel sensory systems, agile locomotion, dextrous grasp, and social cognition. Attempts to build integrated robotic systems that broadly match the behaviour and appearance of specific mammalian species have focused most strongly on
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Web-Age Information Management: 15th International Conference, WAIM 2014, Macau, China, June 16-18, 2014, Proceedings. Springer, 2014.

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Book chapters on the topic "Robotic WAAM"

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Dharmawan, Audelia Gumarus, Yi Xiong, Shaohui Foong, and Gim Song Soh. "Development of an Automated and Adaptive System for Robotic Hybrid-Wire Arc Additive Manufacturing (H-WAAM)." In Robotics and Mechatronics. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-30036-4_29.

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Porpiglia, Francesco, Daniele Amparore, and Riccardo Bertolo. "Warm Ischemia During Robotic Partial Nephrectomy." In Robotic Urology. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65864-3_7.

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Khan, Muhammad Jamal, and Omer Karim. "Use of Ethicon Vicryl foil and robotic camera lights to warm the robotic scope lens to prevent lens fogging." In Top Tips in Urology. John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118508060.ch56.

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Sreenivasan, S. V., P. K. Dutta, and K. J. Waldron. "The Wheeled Actively Articulated Vehicle (WAAV): An Advanced Off-Road Mobility Concept." In Advances in Robot Kinematics and Computational Geometry. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-015-8348-0_14.

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Klötzer, Christian, Martin-Christoph Wanner, Wilko Flügge, and Lars Greitsch. "Implementation of Innovative Manufacturing Technologies in Foundries for Large-Volume Components." In Annals of Scientific Society for Assembly, Handling and Industrial Robotics 2021. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-74032-0_19.

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AbstractThe development of new manufacturing technologies opens up new perspectives for the production of propellers (diameter &lt; 5 m), especially since the use of the established sand casting process as a technology is only partially competitive in today’s market. Therefore, different applications of generative manufacturing methods for the implementation into the production process were investigated. One approach is the mould production using additive manufacturing processes. Investigations showed that especially for large components with high wall thicknesses available systems and process
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Sugano, S., J. Nakagawa, Y. Tanaka, and I. Kato. "Keyboard Playing by an Anthropomorphic Robot: Fingers and Arm Model and its Control System of WAM-7R." In Theory and Practice of Robots and Manipulators. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4615-9882-4_17.

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Ramadan, Aya Abd Alla, Sherif Elatriby, Abd El Ghany, and Azza Fathalla Barakat. "Optimized Robotic WAAM." In Applications of Artificial Intelligence in Additive Manufacturing. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-8516-0.ch006.

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This chapter summarizes a PhD thesis introducing a methodology for optimizing robotic MIG (metal inert gas) to perform WAAM (wire and arc additive manufacturing) without using machines equipped with CMT (cold metal transfer) technology. It tries to find the optimal MIG parameters to make WAAM using a welding robot feasible production technique capable of making functional products with proper mechanical properties. Some experiments were performed first to collect data. Then NN (neural network) models were created to simulate the MIG process. Then different optimization techniques were used to
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Vo, Hoang Thanh, Christelle Grandvallet, and Frédéric Vignat. "A model for Manufacturing Large Parts with WAAM Technology." In Advances in Transdisciplinary Engineering. IOS Press, 2021. http://dx.doi.org/10.3233/atde210016.

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Wire Arc Additive Manufacturing (WAAM) is a metallic additive manufacturing process based on the fusion of metallic wire using an electric arc as a heat source. The challenge associated with WAAM is heat management and understanding bead geometry. The printing process involves high temperatures, which results in the build-up of residual stresses can often cause deformations in a component. All of the process variables, such as torch speed (TS), wire feed speed (WFS), idle time, combine to produce the geometry of the deposit bead that results in the desired component shape. So, determining a me
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Lewis, Lundy, Ted Metzler, and Linda Cook. "An Autonomous Robot-to-Group Exercise Coach at a Senior Living Community." In Rapid Automation. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8060-7.ch054.

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A NAO humanoid robot is programmed to act as an autonomous exercise instructor at a senior living community. In an on-site session, the robot does (i) a warm-up routine in which the robot directs participants to ask it to perform various tasks such as dancing and reciting poems and (ii) an exercise routine in which the robot guides participants through various physical exercises such as leg, hand, and neck exercises. The participants include six elderly residents, three nurses/caregivers, and two administrators. The elderly group is categorized with respect to cognitive awareness and physical
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McGinn, Colin. "Matrix Of Dreams." In Philosophers Explore The Matrix. Oxford University PressNew York, NY, 2004. http://dx.doi.org/10.1093/oso/9780195181067.003.0005.

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Abstract The Matrix naturally adopts the perspective of the humans: they are the victims, the slaves, cruelly exploited by the machines. But there is another perspective, that of the machines themselves. So let’s look at it from the point of view of the machines. As Morpheus explains to Neo, there was a catastrophic war between the humans and the machines, after the humans had produced AI, a sentient robot that spawned a race of its own. It isn’t known now who started the war, but it did follow a long period of machine exploitation by humans. What is known is that it was the humans who “scorch
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Conference papers on the topic "Robotic WAAM"

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Klobcar, Damjan, Mohammad Reza Ghavi, Janez Povh, et al. "A Review of Recent Advances and Future Trends in Wire Arc Additive Manufacturing." In Advances in Engineering and Management. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-gq1x0e.

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This article provides an overview of Direct Energy Deposition – Arc technology (DED-Arc), also known as Wire Arc Additive Manufacturing (WAAM), which involves the deposition of metal wire using an arc power source and a CNC or robotic manipulator. The high deposition rate of WAAM justifies its use for the manufacturing of small to large-size components with lower resolution and less complex geometry. However, the use of wire as feedstock in the WAAM process has certain advantages and disadvantages, which are explained in detail. The WAAM specialties are in-situ alloying and the production of f
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Krein, Ronny, and Vadym Sushko. "Wire Arc Additive Manufacturing of Creep Strength Enhanced Ferritic Steels and Nickel Alloys." In AM-EPRI 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.am-epri-2024p0495.

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Abstract Additive manufacturing is a groundbreaking manufacturing method that enables nearly lossless processing of high-value materials and produces complex components with a level of flexibility that traditional methods cannot achieve. Wire arc additive manufacturing (WAAM), utilizing a conventional welding process such as gas metal arc welding, is one of the most efficient additive manufacturing technologies. The WAAM process is fully automated and guided by CAD/CAM systems on robotic or CNC welding platforms. This paper explores the fundamental concepts and metallurgical characteristics of
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Bermudez, Gabriel, Matheus A. Do Carmo Alves, Gabriel D. G. Pedro, and Thiago Boaventura. "Heat It Up: Using Robo-gym to Warm-up Deep Reinforcement Learning Algorithms." In 2024 Latin American Robotics Symposium (LARS). IEEE, 2024. https://doi.org/10.1109/lars64411.2024.10786424.

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Wei, Jiarong, Yancong Lin, and Holger Caesar. "BaSAL: Size-Balanced Warm Start Active Learning for LiDAR Semantic Segmentation." In 2024 IEEE International Conference on Robotics and Automation (ICRA). IEEE, 2024. http://dx.doi.org/10.1109/icra57147.2024.10611122.

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Kulkarni, Ashish, Prahar M. Bhatt, Alec Kanyuck, and Satyandra K. Gupta. "Using Unsupervised Learning for Regulating Deposition Speed During Robotic Wire Arc Additive Manufacturing." In ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-71865.

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Abstract Robotic Wire Arc Additive Manufacturing (WAAM) is the layer-by-layer deposition of molten metal to build a three-dimensional part. In this process, the fed metal wire is melted using an electric arc as a heat source. The process is sensitive to the arc conditions, such as arc length. While building WAAM parts, the metal beads overlap at corners causing material accumulation. Material accumulation is undesirable as it leads to uneven build height and process failures caused by arc length variation. This paper introduces a deposition speed regulation scheme to avoid the corner accumulat
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Ruiz, Cesar, Davoud Jafari, Vignesh Venkata Subramanian, Tom H. J. Vaneker, Wei Ya, and Qiang Huang. "Improving Geometric Accuracy in Wire and Arc Additive Manufacturing With Engineering-Informed Machine Learning." In ASME 2022 17th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/msec2022-85325.

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Abstract Wire and arc additive manufacturing (WAAM) is a promising technology for fast and cost-effective fabrication of large-scale components made of high-value materials for industries such as petroleum and aerospace. By using robotic arc welding and wire filler materials, WAAM can fabricate complex large near-net shape parts with high deposition rates, short lead times and millimeter resolution. However, due to high temperature gradients and residual stresses, current WAAM technologies suffer from high surface roughness and poor shape accuracy. This limits the adoption of these technologie
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Zimermann, Rastilav, Muhammad Khalid Rizwan, Charalampos Loukas, et al. "Dry-coupled ultrasound phased array inspection of as-built complex geometry metal additive manufactured components." In ASNT Research Symposium 2023. The American Society for Nondestructive Testing Inc., 2023. http://dx.doi.org/10.32548/rs.2023.019.

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Growing demand for smart and flexible factories, producing high-value components cost-effectively has driven the development of large-scale metal Additive Manufacturing (AM) processes such as Wire+Arc Additive Manufacturing (WAAM). To match the strengths of metal AM, a novel high-temperature dry-coupled ultrasound roller-probe was developed to facilitate quality assurance, deployed in-process. In this work, the authors present novel work and research from the field of an automated dry-coupled ultrasound in-process NDE. During the experiments, a titanium complex-shaped WAAM, featuring character
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Lange, Jörg, and Thilo Feucht. "3-D-Printing with Steel: Additive Manufacturing of Connection Elements and Beam Reinforcements." In IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.1836.

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&lt;p&gt;Automated steel construction manufacturing with robots is no longer just a dream of the future but a reality. The Institute for Steel Structures and Materials Mechanics of the Technical University (TU) of Darmstadt/Germany has two welding robots. These robots are being used to assess various application for Additive Manufacturing. For the construction of steel, Wire + Arc Additive Manufacturing (WAAM) is suitable, which is similar to Gas-Shielded Metal Arc Welding. The wire electrode serves as printing material. With this method we can produce components in layers and achieve depositi
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O. Couto, Marcus, Ramon R. Costa, Antonio C. Leite, Fernando Lizarralde, Arthur G. Rodrigues, and João C. Payão Filho. "Weld Bead Width Measurement in a GMAW WAAM System by using Passive Vision." In Congresso Brasileiro de Automática - 2020. sbabra, 2020. http://dx.doi.org/10.48011/asba.v2i1.1121.

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The development and integration of Wire Arc Additive Manufacturing (WAAM) systems is nowadays a topic of growing interest. Industries are starting to focus on deploying this technology due to its vast capability of producing different types of parts and creating new possibilities for engineering design. Measuring the process characteristics is crucial in a WAAM system, because it helps to ensure that the build up was done according as planned. In this work, it was developed a passive vision-based monitoring method to measure the metal bead width in a WAAM process. The deposition was carried ou
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Cortesa˜o, Rui, Brian Zenowich, Rui Arau´jo, and William Townsend. "Robotic Comanipulation With Active Impedance Control." In ASME-AFM 2009 World Conference on Innovative Virtual Reality. ASMEDC, 2009. http://dx.doi.org/10.1115/winvr2009-724.

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The paper presents active impedance control for robotic comanipulation tasks, enabling virtual contact interactions. Computed torque control in the task space powered by multiple-output active observers (AOBs) is proposed, enhancing haptic perception. Forces and force derivatives are artificially measured from position data around an equilibrium point that can move with time. Control techniques to deal with critical impedances are introduced, taking into account the noise distribution along the system. Stochastic design is discussed. A dynamic model of the redundant lightweight 7-DOF WAM™ arm
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