Author

Hai-Yang Liu

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Open access Sep 2026

Weld-FHG-YOLO: A Lightweight Multi-Frequency Feature Fusion Network for Weld Keypoint Localization

Accurate weld keypoint localization is an important visual perception task for robotic welding, weld tracking, and intelligent manufacturing. However, weld keypoints in line-structured light images are usually small, weakly textured, and easily affected by reflections, noise, and spurious laser stripes. These factors m...

Yun-Song Yan, Xiao-Ning Meng, Wei Liu et al. · Machines · 0 citations

Open access Sep 2026

Research and Experimental Evaluation of an Electric-Drive Maize Precision Seeding System Integrating Physics-Informed Neural Networks and PID Control

To address the problem of decreased rotational speed tracking accuracy of the seeding motor caused by system nonlinearity, time-varying parameters, and field disturbances during high-speed electric-driven precision seeding, a PINN-PID control method was proposed. First, the kinematic relationship among operating speed,...

Hai-Yang Liu, Xian-Ying Feng, Yong-Jia Sun et al. · Agriculture · 0 citations