主要从事可重复使用运载器(如可重复使用运载火箭、空天飞机)上升段、再入段与着陆段高精度制导控制,以及无人机、无人机集群等在线实时轨迹优化与制导控制研究。研究方向包括:
1、飞行力学
2、飞行器轨迹优化、制导与控制
3、模型预测控制与底层优化算法开发
4、人工智能、凸优化理论及其在飞行器中的应用
主持国家自然科学基金青年/面上项目、北京市自然科学基金重点项目、航天院所产学研合作基金重点项目、航天院所/民营航天企业横向项目等。
近年来主要发表论文
(* 代表通讯作者)
英文期刊论文:
[1] Hailiang Kuang, Delight Chioma Iwuchukwu, and Xinfu Liu*. “One-Shot Convex Optimization for Minimum-Time Quadrotor Landing on Moving Platforms,” Journal of Guidance, Control, and Dynamics, 2026.
[2] Yan Wang, Jianqiang Li, Wei Qiu, Runqiu Yang, and Xinfu Liu*. “Predictor-Feedback Entry Guidance for Super Heavy-Lift Launch Vehicles’ Second Stage,” Journal of Guidance, Control, and Dynamics, 2026.
[3] Yan Wang, Yaxuan Li, and Xinfu Liu*. “Feasibility-Guaranteed Analytical Mars Landing Guidance in Hazardous Terrains with Disturbances,” Acta Astronautica, 2026, 243: 1-13.
[4] Xinfu Liu, Yaxuan Li, Huan Jiang, and Tao Song. “Exact Convex Relaxation Using Supporting Hyperplane for Trajectory Optimization of UAVs,” Journal of Guidance, Control, and Dynamics, 2025, 48(11): 2521-2526.
[5] Yaxuan Li and Xinfu Liu*. “Reliable and Efficient Trajectory Planning for Fixed-Wing UAVs via Nonlinearity Transfer and Convexification,” Aerospace Science and Technology, 2025, 158: 109919.
[6] Hailiang Kuang and Xinfu Liu*. “Convergence-Guaranteed Trajectory Optimization for Quadrotors Subject to Aerodynamic Drag,” IEEE Transactions on Aerospace and Electronic Systems, 2024, 60(5), 7251-7261.
[7] Runqiu Yang and Xinfu Liu*. “Convex Hull Relaxation of Optimal Control Problems with General Nonconvex Control Constraints,” IEEE Transactions on Automatic Control, 2023, 69(6): 4028-4034.
[8] Runqiu Yang, Xinfu Liu*, and Defu Lin. “Exact Relaxation of Nonconvex Optimal Control Problems Based on Problem Reconstruction,” Journal of Guidance, Control, and Dynamics, 2024, 47(4): 761-769.
[9] Runqiu Yang, Xinfu Liu*, and Zhengyu Song. “Rocket Landing Guidance Based on Linearization-free Convexification,” Journal of Guidance, Control, and Dynamics, 2024, 47(2): 217-232.
[10] Yaxuan Li, Xinfu Liu*, Xinhua He, and Fubiao Zhang. “Cooperative Optimal Guidance of Hypersonic Glide Vehicles by Real-Time Optimization and Deep Learning,” Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 2023, 237(10): 2266-2283.
[11] Peng Lu, Xinfu Liu*, and Zhiguo Zhang. “Abort Orbit Determination of Launch Vehicles Based on Difference of Convex Programming,” Acta Astronautica, 2023, 212: 568-579.
[12] Peng Lu, Xinfu Liu*, Runqiu Yang, and Zhiguo Zhang. “Ascent Trajectory Optimization with Nonlinearity-Kept Convexification,” IEEE Transactions on Aerospace and Electronic Systems, 2023, 59(3): 3236-3250.
[13] Xinfu Liu. “Convergence-Guaranteed Trajectory Planning for a Class of Nonlinear Systems with Nonconvex State Constraints,” IEEE Transactions on Aerospace and Electronic Systems, 2022, 58(3): 2243-2256.
[14] Runqiu Yang and Xinfu Liu*. “Reachable Set Computation of Linear Systems with Nonconvex Constraints via Convex Optimization,” Automatica, 2022, 146, 110632.
[15] Guoxu Zhang and Xinfu Liu*. “UAV Collision Avoidance Using Mixed-Integer Second-Order Cone Programming,” Journal of Guidance, Control, and Dynamics, 2022, 45(9):1732-1738.
[16] Runqiu Yang and Xinfu Liu*. “Fuel-Optimal Powered Descent Guidance with Free Final-Time and Path Constraints,” Acta Astronautica, 2020, 172: 70-81.
[17] Xinfu Liu. “Fuel-Optimal Rocket Landing with Aerodynamic Controls,” Journal of Guidance, Control, and Dynamics, 2019, 42(1): 65-77.
[18] Xinfu Liu, Ping Lu, and Binfeng Pan. “Survey of Convex Optimization for Aerospace Applications,” Astrodynamics, 2017, 1(1): 23-40.
[19] Xinfu Liu, Zuojun Shen, and Ping Lu. “Closed-Loop Optimization of Guidance Gain for Constrained Impact,” Journal of Guidance, Control, and Dynamics, 2017, 40(2): 453-460.
[20] Xinfu Liu, Zuojun Shen, and Ping Lu, “Exact Convex Relaxation for Optimal Flight of Aerodynamically Controlled Missiles,” IEEE Transactions on Aerospace and Electronic System, 2016, 52(4): 1881-1892.
[21] Xinfu Liu, Zuojun Shen, and Ping Lu. “Entry Trajectory Optimization by Second-Order Cone Programming,” Journal of Guidance, Control, and Dynamics, 2016, 39(2): 227-241.
[22] Xinfu Liu and Zuojun Shen. “Rapid Smooth Trajectory Planning for High Lift/Drag Hypersonic Glide Vehicles,” Journal of Optimization Theory and Applications, 2016, 168(3): 917-943.
[23] Xinfu Liu, Zuojun Shen, and Ping Lu. “Solving the Maximum-Crossrange Problem via Successive Second-Order Cone Programming with a Line Search,” Aerospace Science and Technology, 2015, 47: 10-20.
[24] Xinfu Liu and Ping Lu. “Solving Nonconvex Optimal Control Problems by Convex Optimization,” Journal of Guidance, Control, and Dynamics, 2014, 37(3): 750-765.
[25] Ping Lu and Xinfu Liu. “Autonomous Trajectory Planning for Rendezvous and Proximity Operations by Conic Optimization,” Journal of Guidance, Control, and Dynamics, 2013, 36(2): 375-389.
中文期刊论文:
[1] 王研, 窦青赟, 王广巍, 李雅轩, 何晓宇, 刘新福*. 一子级可重复使用火箭上升及返回轨迹联合优化[J]. 航空学报, 2025, 47(3): 232240.
[2] 窦青赟, 王研, 李雅轩, 刘新福*. 基于序列混合整数凸优化的变体导弹轨迹规划[J].战术导弹技术, 2024, (04): 53-63.
[3] 李雅轩, 刘新福*. 基于精确凸松弛的固定翼无人机实时轨迹规划[J]. 兵工学报, 2025, 46(3): 36-48.
[4] 肖柳骏, 李雅轩, 刘新福*. 基于强化学习的高超声速滑翔飞行器自适应末制导[J]. 兵工学报, 2025, 46(2): 57-66.
[5] 李雅轩, 王研, 刘新福*. 面向弹道导弹防御的快速最优拦截弹道规划[J]. 宇航学报, 2024, 45(12): 1931-1943.
[6] 鲁鹏, 李雅轩, 刘新福*. 类星舰飞行器翻转着陆轨迹优化[J]. 导弹与航天运载技术, 2024, 47(1): 30-38.
会议论文:
[1] Runqiu Yang and Xinfu Liu. “Gravity-Turn-Based Precise Landing Guidance for Reusable Rockets,” 2020 International Conference on Guidance, Navigation and Control (ICGNC 2020), Tianjing, China, Aug. 2020.
[2] Guoxu Zhang, Hailiang Kuang, and Xinfu Liu. “Fast Trajectory Optimization for Quadrotor Landing on a Moving Platform,” The 2020 International Conference on Unmanned Aircraft Systems (ICUAS’20), Athens, Greece, Sept. 2020.
[3] Chenyang Xi and Xinfu Liu. “Unmanned Aerial Vehicle Trajectory Planning Via Staged Reinforcement Learning,” The 2020 International Conference on Unmanned Aircraft Systems (ICUAS’20), Athens, Greece, Sept. 2020.
[4] Huan Jiang and Xinfu Liu. “Fast Three-Dimensional Path Planning with Avoidance Zones Based on Convex Optimization,” AIAA Guidance, Navigation, and Control Conference, San Diego, Jan. 2019.
[5] Runqiu Yang and Xinfu Liu. “Comparison of Convex Optimization-Based Approaches to Solve Nonconvex Optimal Control Problems,” AIAA Guidance, Navigation, and Control Conference, San Diego, Jan 2019.
[6] Xinfu Liu. “Fuel-Optimal Rocket Landing with Aerodynamic Controls,” AIAA Guidance, Navigation, and Control Conference, Grapevine, 2017.1.9-2017.1.13.
[7] Xinfu Liu and Ping Lu. “Robust Trajectory Optimization for Highly Constrained Rendezvous and Proximity Operations,” AIAA Guidance, Navigation, and Control Conference, Boston, 2013.8.19-2013.8.22.
[8] Xinfu Liu and Ping Lu. “Solving Non-Convex Optimal Control Problems by Convex Optimization,” AIAA Guidance, Navigation, and Control Conference, Boston, 2013.8.19-2013.8.22.
[9] Ping Lu and Xinfu Liu. “Autonomous Trajectory Planning for Rendezvous and Proximity Operations by Conic Optimization,” AIAA Guidance, Navigation, and Control Conference, Minneapolis, 2012.8.13-2012.8.16.