Liwen Yang
杨轹文
Ph.D. Candidate · Beihang University
Researching space debris collision dynamics, autonomous warning and avoidance systems, and sustainable space environment governance for the future of orbital safety.
Research Directions
Exploring the frontiers of space debris science and orbital environment protection
空间碎片的多级碰撞
Multi-Stage Space Debris Collision
研究空间碎片在低轨环境中的多级碰撞链式反应机制，建立碎片演化的动力学模型，预测碰撞级联效应对轨道环境的长期影响。
空间碰撞的预警与规避
Space Collision Warning and Avoidance
开发基于机器学习的空间碎片碰撞预警系统，实现多阶段自主避碰决策，结合时空注意力网络提升预测精度与实时性。
太空碎片环境治理
Space Debris Environment Governance
探索太空碎片环境的可持续治理策略，包括主动碎片清除技术评估、空间交通管理框架设计及国际空间环境治理政策研究。
Featured Publications
Recent contributions to space debris research
Learning-based framework for multistage space debris collision warning and avoidance
Liwen Yang, Jikai Wang, Ming Xu, Xue Bai
提出一种基于学习的多阶段空间碎片碰撞预警与规避框架，整合了轨道预测、碰撞风险评估和最优规避策略。Proposes a learning-based framework for multi-stage space debris collision warning and avoidance, integrating orbit…
Low-orbit Space Debris Warning and Autonomous Collision Avoidance for Space Environment Governance
Liwen Yang, Jikai Wang, Jun Jiang, Xue Bai, Ming Xu
针对低轨空间碎片环境治理需求，提出碎片预警与自主碰撞规避方法，为空间环境可持续利用提供技术支撑。Addressing the need for LEO space debris environment governance, this work proposes debris warning and autonomous…
STAN: A Spatio-Temporal Attention Network for Space Debris Multistage Collision Avoidance
Liwen Yang, Jikai Wang, Ming Xu, Xue Bai
提出 STAN——一种时空注意力网络，用于空间碎片多阶段碰撞规避，通过捕捉碎片运动的时空依赖关系提升预测精度。Proposes STAN — a Spatio-Temporal Attention Network for space debris multi-stage collision avoidance, capturing…