Zihao Zang, Yiwen Zhang, Shouxin Ruan, Lei Wang, Xinming Zhang, Linsen Song, Yibo Huang, Shuhong Ye. "An AM-CNN-BiGRU network with spatiotemporal feature fusion for industrial robot predictive maintenance." Scientific Reports (2025). https://doi.org/10.1038/s41598-025-29255-0