...Ruihan Shi; Yanbiao Zou Purpose This paper aims to propose a novel methodology to mitigate welding torch vibration caused by sensor measurement noise during laser vision-based seam tracking, which compromises robotic welding quality. Design/methodology/approach A Kalman filter is applied...

...Yangzhuo Yan; Yanbiao Zou Purpose This paper aims to propose a domain-incremental learning method for weld seam tracking robots, to address the catastrophic forgetting problem that arises when seam samples are sequentially introduced, especially under production demands characterized by small...

...Yanbiao Zou; Jianhui Yang Purpose This paper aims to propose a lightweight, high-accuracy object detection model designed to enhance seam tracking quality under strong arcs and splashes condition. Simultaneously, the model aims to reduce computational costs. Design/methodology/approach...

... between scratches and welds are distinguished, and image features are effectively extracted. The final system weld error is controlled to 0.3 mm. Narrow gap welding Adaptive deflection system Passive vision Seam tracking With the development of machine vision, vision technology is being used...

... is experimentally validated, and the feature points extraction results as well as seam tracking error are finally analyzed. Findings The experimental results show that the algorithm can well accomplish welding seam classification, feature points extraction and seam tracking with high precision. The prediction...

...Yanbiao Zou; Hengchang Zhou Purpose This paper aims to propose a weld seam tracking method based on proximal policy optimization (PPO). Design/methodology/approach By constructing a neural network based on PPO and using the reference image block and the image block to be detected as the dual...

...Yanbiao Zou; Jinchao Li; Xiangzhi Chen Purpose This paper aims to propose a set of six-axis robot arm welding seam tracking experiment platform based on Halcon machine vision library to resolve the curve seam tracking issue. Design/methodology/approach Robot-based and image coordinate systems...

... The modified welding image feature extraction method improves the accuracy and reliability of sidewall edge and arc position detection. Practical implications The algorithm can be applied to welding seam tracking and penetration control in rotating or swing arc narrow gap welding. Originality/value...

...Zeng Jinle; Zou Yirong; Du Dong; Chang Baohua; Pan Jiluan Purpose – This paper aims to develop a feasible visual weld detection method to solve the problems in multi-layer welding detection (e.g. cover pass welding detection) for seam tracking and non-destructive testing. It seeks for an adaptive...

... be contacted at: tangqing01@dongfang.com © Emerald Group Publishing Limited 2014 Mobile welding robot State estimation Seam tracking Extended Kalman filter Backstepping Localization e = 0 is a globally and asymptotically stable equilibrium point of the system (15), when...

... compensation Seam tracking Force Welding is a major application area in industrial robotics and the use of robots to automate welding processes is the normal choice, for example in the automotive industry. To compete and complement existing flexible robotic solutions a welding process should allow...

...Shanchun Wei; Meng Kong; Tao Lin; Shanben Chen Purpose This paper aims to develop a method to achieve automatic robotic welding and seam tracking so that three‐dimensional weld seam could be tracked without teaching and good welding formation could be accomplished. Design/methodology/approach...

... control over the operating parameters for optimum results.   Plate 3 Meta has introduced a new laser scanning sensor, A700, whose forte is weld seam tracking in difficult applications Benefits claimed as a result of fitting such a system include improved weld quality by eliminating human...

... Seam tracking Welding Laser vision system can be built into welding robot's controller Keywords: Vision, Seam tracking, Welding Reliable seam tracking at up 15m/min, more than double the speed that was previously available, is a significant advance of the new laser pilot MTR...

... has been prevented by its relatively high price; the new price structure is likely to have an impact on the use of intelligent sensing systems for many industrial applications. © MCB UP Limited 1995 Robots Welding Seam tracking Affordable optical seam tracking MetaTorch systems break...

... these problems. The use of arc sensing permits enhanced production efficiency. Furthermore, economies have been achieved in the total number and locations of the robots. The use of arc sensing through the High Speed Rotating Arc system permits highly accurate seam tracking and joint end and bead end sensing...

..., the extent of overheating by arc heat reduces and the heat retained in the droplets (droplet temperature) decrease, resulting in a burn-off rate increase of the wire. Automatic Control by Seam Tracking with an Arc Sensor The Principle of the Arc Sensor The arc sensor is a system to correct torch position...

... and car seat trimming. Welding Seam tracking Lasers Robots MetaTorch A Universal Seam Tracking System for Arc Welding and Similar Applications Wolfgang Kölbl Introduction Modern manufacturing methods require the application of sophisticated automation processes. Arc welding was considered...