... German Research Foundation additive manufacturing advanced materials and processing assembly nontraditional manufacturing processes sheet and tube metal forming welding and joining Graphical Abstract Figure 26 03 2024 17 06 2024 18 06 2024 11 09 2024...

...Goran D. Putnik; Petar B. Petrovic; Vaibhav Shah An intelligent system for spatial visual feedback is presented, which enables the robot's autonomy for a range of robotic assembly tasks, in particular for arc welding, in an unstructured and “fixtureless” environment. The robot's autonomy...

... production from a broader standpoint. A case study of collaborative human–robot assembly is used to demonstrate the applicability of the proposed approach. The results suggest that the HRC-QWAT can evaluate both production quality and human well-being, providing a useful tool for companies to monitor...

...Elisa Verna; Stefano Puttero; Gianfranco Genta; Maurizio Galetto The use of Human–Robot Collaboration (HRC) in assembly tasks has gained increasing attention in recent years as it allows for the combination of the flexibility and dexterity of human operators with the repeatability of robots, thus...

...: giorgio.depasquale@polito.it Email: antonio.coluccia@polito.it 16 05 2023 25 07 2023 26 07 2023 29 08 2023 additive manufacturing advanced materials and processing assembly design for manufacturing laser processes modeling and simulation European Commission 10.13039...

... detection robotic disassembly consumer electronics YOLOv4 EfficientNetv2 sustainable manufacturing assembly National Science Foundation 10.13039/100000001 2026276 2026533 The rapid consumption of consumer electronics and the subsequent waste generation rate have pushed...

... flow in the supply chain network. Considering the supply chain reconfigurability, this article develops a new mathematical model based on nonlinear integer programming to optimize supply chain reconfiguration and assembly planning jointly. An evolutionary algorithm (EA) is developed and customized...

...Sichao Liu; Lihui Wang; Xi Vincent Wang In human–robot collaborative assembly, leveraging multimodal commands for intuitive robot control remains a challenge from command translation to efficient collaborative operations. This article investigates multimodal data-driven robot control for human...

...Linbo Zhu; Abdel-Hakim Bouzid; Jun Hong Bolted flange joints are extensively used in pressure vessels and piping equipment and rotating machinery. Achieving a uniform bolt preload during the assembly process is particularly important to satisfy tightness in applications such as oil, gas, fossil...

... configurations of the assembly are obtained after the updating of mating constraints between rigid and nonrigid parts with defects. The composite positional tolerance is analyzed with the simulation of relative motion between parts. A case study is proposed to evaluate the developed tolerancing method. Email...

...Sichao Liu; Lihui Wang; Xi Vincent Wang In human–robot collaborative assembly, robots are often required to dynamically change their preplanned tasks to collaborate with human operators in close proximity. One essential requirement of such an environment is enhanced flexibility and adaptability...

...: thomas.klein@ait.ac.at Email: georg.kirov@sagos-engineering.com Email: stephan.ucsnik@ait.ac.at 2 Present address: SAGOS-Engineering, 4963 St. Peter am Hart, Austria. 07 08 2020 09 10 2020 11 10 2020 16 12 2020 advanced materials and processing assembly welding...

... activated by shape memory alloy (SMA) actuators. However, actuation of SMAs is complex due to their nonlinear and hysteresis behavior that depends on stress, strain, and temperature during operation. This work studies rapid manufacturing (via 3D printing), precise assembly, and performance evaluation...

... structural design topology optimization assembly machine tool dynamics modeling and simulation In machine tool literature, equivalent contact models have been studied extensively for different components of the system since contacts function as connection, sealing, or fixation elements...

... demands on tolerancing in a new era of digital manufacturing. The proposed methodology is illustrated and verified with an industrial case example on a two-part assembly. If boundary control points are perturbed involving both translational and rotational movement, enclosed manufacturing part...

...Changhui Liu; Tao Liu; Juan Du; Yansong Zhang; Xinmin Lai; Jianjun Shi Ship assembly involves thousands of large dimensional compliant metal plates. These compliant metal plates are fully welded together by seam welding in the assembly process. Different from the automobile and aerospace assembly...

...Binbin Li; Heping Chen; Tongdan Jin Advanced industrial robotic assembly requires the process parameters to be tuned to achieve high efficiency: short assembly cycle (AC) time and high first-time throughput (FTT) rate. This task is usually undertaken offline because of the difficulties in real-time...

...Roham Sadeghi Tabar; Kristina Wärmefjord; Rikard Söderberg; Lars Lindkvist Spot welding is the predominant joining process for the sheet metal assemblies. The assemblies, during this process, are mainly bent and deformed. These deformations, along with the single part variations, are the primary...

...Juan Du; Xiaowei Yue; Jeffrey H. Hunt; Jianjun Shi Shape control is a critical task in the composite fuselage assembly process due to the dimensional variabilities of incoming fuselages. To realize fuselage shape adjustment, actuators are used to pull or push several points on a fuselage. Given...

.... Manuscript received August 31, 2017; final manuscript received June 8, 2018; published online July 5, 2018. Assoc. Editor: Wayne Cai. 31 08 2017 08 06 2018 Assembly Control Nontraditional manufacturing processes Welding Automation Joining This paper presents a method...