2026

Executable planning for reliable long-horizon robot tasks

Shuaijun Liu, Ningxin Su#

Manuscript under review 2026

Models long-horizon robot task planning as hierarchical concept prediction, symbolic dependency repair, and behavior-tree compilation for more executable and logically consistent plans.

Executable planning for reliable long-horizon robot tasks

Shuaijun Liu, Ningxin Su#

Manuscript under review 2026

Models long-horizon robot task planning as hierarchical concept prediction, symbolic dependency repair, and behavior-tree compilation for more executable and logically consistent plans.

Object-relation grounding and interaction-history modeling for VLA policies

Shuaijun Liu, Ningxin Su#

Manuscript under review 2026

Improves object selection, spatial-relation understanding, and history-conditioned manipulation through structured representations of task semantics and interaction context.

Object-relation grounding and interaction-history modeling for VLA policies

Shuaijun Liu, Ningxin Su#

Manuscript under review 2026

Improves object selection, spatial-relation understanding, and history-conditioned manipulation through structured representations of task semantics and interaction context.

Task-semantic action calibration for vision-language-action models

Shuaijun Liu, Ningxin Su#

Manuscript under review 2026

Studies action reliability under appearance shifts and task-semantic changes, aiming to preserve stable behavior under semantic invariance while separating actions correctly when goals, constraints, or order change.

Task-semantic action calibration for vision-language-action models

Shuaijun Liu, Ningxin Su#

Manuscript under review 2026

Studies action reliability under appearance shifts and task-semantic changes, aiming to preserve stable behavior under semantic invariance while separating actions correctly when goals, constraints, or order change.

Data-grounded simulation and benchmarking for marine robotics

Shuaijun Liu, Ningxin Su#

Manuscript under review 2026

Builds reproducible simulation tasks for marine robots by integrating bathymetry, currents, tides, and pollution-field information across navigation, inspection, scanning, cleanup, and collaboration settings.

Data-grounded simulation and benchmarking for marine robotics

Shuaijun Liu, Ningxin Su#

Manuscript under review 2026

Builds reproducible simulation tasks for marine robots by integrating bathymetry, currents, tides, and pollution-field information across navigation, inspection, scanning, cleanup, and collaboration settings.

When Replanning Becomes the Bottleneck: Budgeted Replanning for Embodied Agents

Shuaijun Liu, Feiyang You, Xingwei Chen, Ningxin Su#

International Conference on Machine Learning (ICML) 2026 Main (Regular)

Studies replanning overhead in long-horizon embodied agents and introduces a budgeted replanning framework with adaptive replanning decisions, token budgets, latency SLOs, and context compression.

When Replanning Becomes the Bottleneck: Budgeted Replanning for Embodied Agents

Shuaijun Liu, Feiyang You, Xingwei Chen, Ningxin Su#

International Conference on Machine Learning (ICML) 2026 Main (Regular)

Studies replanning overhead in long-horizon embodied agents and introduces a budgeted replanning framework with adaptive replanning decisions, token budgets, latency SLOs, and context compression.

2025

Energy-Aware Holistic Optimization in UAV-Assisted Fog Computing: Attitude, Trajectory, and Task Assignment

Shuaijun Liu, Jinqiu Du, Yaxin Zheng, Yuhui Deng, Jingjin Wu#

Computer Networks 2026

Integrates UAV attitude control, 3D trajectory planning, and task assignment into an energy-aware optimization framework for UAV-assisted fog computing.

Energy-Aware Holistic Optimization in UAV-Assisted Fog Computing: Attitude, Trajectory, and Task Assignment

Shuaijun Liu, Jinqiu Du, Yaxin Zheng, Yuhui Deng, Jingjin Wu#

Computer Networks 2026

Integrates UAV attitude control, 3D trajectory planning, and task assignment into an energy-aware optimization framework for UAV-assisted fog computing.

2024

Meteorological and Topographical Big Data-Driven UAV Trajectory Planning

Shuaijun Liu, Jiaying Yin, Yuhui Deng, Jingjin Wu#

International Telecommunication Networks and Applications Conference (ITNAC) 2024

Uses meteorological and topographical data to assess UAV flight risk and adjust trajectories for safer and more efficient deployment.

Meteorological and Topographical Big Data-Driven UAV Trajectory Planning

Shuaijun Liu, Jiaying Yin, Yuhui Deng, Jingjin Wu#

International Telecommunication Networks and Applications Conference (ITNAC) 2024

Uses meteorological and topographical data to assess UAV flight risk and adjust trajectories for safer and more efficient deployment.

2022

Optimal Trajectory Planning and Task Assignment for UAV-assisted Fog Computing

Shuaijun Liu, Jiaying Yin, Zishu Zeng, Jingjin Wu#

IEEE 24th International Conference on High Performance Computing and Communications (HPCC) 2022

Studies UAV trajectory planning, resource allocation, and task assignment for UAV-assisted fog computing, improving energy-delay efficiency over baseline algorithms.

Optimal Trajectory Planning and Task Assignment for UAV-assisted Fog Computing

Shuaijun Liu, Jiaying Yin, Zishu Zeng, Jingjin Wu#

IEEE 24th International Conference on High Performance Computing and Communications (HPCC) 2022

Studies UAV trajectory planning, resource allocation, and task assignment for UAV-assisted fog computing, improving energy-delay efficiency over baseline algorithms.