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Chenyu Xu

2 papers indexed

arxivcs.AI2026-07-23

GuardianAgentBench: Where Agents Fail and How to Guard Them

Vishal Ishwar Naik, Chenyu Xu, Donna Dong, Hussein Hassan, Abhishek Pradhan, Ofer Mendelevitch, et al.

As large language model agents increasingly operate autonomously with access to tools and external environments, ensuring their safe and reliable behavior becomes critical. We present GuardianAgentBench (GABench), a benchmark of 580 scenarios across six domains evaluated on three…

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arxivcs.ROcs.CGcs.GR2026-06-29

Trajectory Optimization for Collision-Aware Redundant Robotic Multi-Axis Additive Manufacturing by Constrained Gradient Projection

Zhikai Shen, Jiasheng Qu, Chenyu Xu, Zhuo Huang, Chengkai Dai, Yongzhe Li, et al.

Redundant robotic multi-axis additive manufacturing (MAAM) enables support-free and conformal fabrication, but trajectory optimization for long-horizon paths remains challenging under strict deposition-position constraints and time-varying collision constraints. This work propose…

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