作者： Zijian Ni¹;Shuzhou Fang¹;CA1 （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China）

出处： Aerospace Science and Technology 2024 Vol.147 P109061

摘要： The Direct Simulation Monte Carlo method (DSMC) is utilized in this study to investigate the flowfield surrounding the spike-aerodisk without and with ...

作者： Hanqing Xia¹;Ningfei Wang¹;Jiantao Pang¹;Yi Wu¹;CA1 （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China）

出处： Combustion and Flame 2024 Vol.263 P113423

摘要： The transient laser ignition process in a slab burner that is similar to hybrid rocket motors is investigated in this study. The coupling characterist ...

作者： Xingyu Zhou¹;Dong Qiao¹;Xiangyu Li¹; （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Aerospace and Electronic Systems 2024 Vol.60 No.1 P1176-1193

关键词： Orbits;Uncertainty;Estimation;Terrestrial atmosphere;Kalman filters;Earth;Aerodynamics;Uncertainty Estimation;Error Propagation;Deep Neural Network;General Method;Feature Learning;Kalman Filter;Training Performance;Extended Kalman Filter;Low Earth Orbit;State Transition Matrix;True Solution;Unscented Kalman Filter;Activation Function;Monte Carlo Simulation;Training Dataset;Prediction Error;Hidden Layer;Machine Learning Approaches;Validation Dataset;Input Layer;Mean Square Error Loss;Mean Relative Error;Process Noise;Gaussian Mixture Model;Position Vector;Measurement Noise;Nonlinear Method;Nominal State;Orbital Period;Error Vector

摘要： This article proposes a fast method for orbit uncertainty propagation and estimation. The proposed method is based on an orbit deviation propagation a ...

作者： Zichen Zhao¹;Haibin Shang¹; （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Aerospace and Electronic Systems 2024 Vol.60 No.1 P857-866

关键词： Space vehicles;Trajectory planning;Convergence;Iterative methods;Trajectory;Task analysis;Planning;Saturation Function;Trajectory Planning;Spacecraft Formation;Performance Indicators;Convex Optimization;Convex Function;Feasible Set;Concave Function;Nonlinear Constraints;Convex Form;Optimization Problem;Dynamical;Feasible Solution;Inequality Constraints;Linear Term;Equality Constraints;Bottom Of Page;Penalty Function;Form In Order;Hessian Matrix;Side Constraints;Decomposition Technique;Trust Region;Non-convex Constraints;Search Direction;Rapidly-exploring Random Tree;Iterative Convergence;Local Convergence;Constraint Value;Terminal Time

摘要： The trajectory planning for spacecraft formation reconfiguration (SFR) presents significant technical challenges due to its time-optimal performance i ...

作者： He, Zhichuan^{1, 2}; Fan, Shipeng^{1, 2}; Wang, Jiang^{1, 2}; Wang, Peng^{1, 2}; （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing, China;²Beijing Key Laboratory of UAV Autonomous Control, Beijing Institute of Technology, Beijing, China）

出处： International Journal of Robust and Nonlinear Control 2024 Vol.34 No.1 P27-53

关键词： cooperative guidance;fixed-time convergence;fixed-time distributed observer;maneuvering target;sliding mode control

摘要： This paper presents a fixed-time cooperative guidance law for leader-following missiles, comprising one leader missile with the target seeker and seve ...

作者： Jingang Liu¹;Yi Jiang¹;Wanying Wang²;Kai Huang²;Yong Liu²;Tao Zhang²;Yanhui Chen²; （¹Department of Mechanics, School of Aerospace Engineering, Beijing Institute of Technology, Beijing, China ²Northwest Institute of Mechanical and Electrical Engineering, Xianyang, China）

出处： IEEE Transactions on Plasma Science 2024 P1-8

关键词： Electromagnetics;Windings;Torque;Tail;Rails;Armature;Solid modeling

摘要： Conventional electromagnetic rail launch projectiles are tail stabilization method for high-precision launching, but for the small caliber electromagn ...

作者： Yinhan WANG¹;Jiang WANG¹;Shaoming HE¹;CA1;Fei WANG²;Qi WANG²; （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing, 100081, China;²Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100190, China）

出处： Chinese Journal of Aeronautics 2024

关键词： Intention;Identification;Kalman filters;Convolutional neural networks;Swarm intelligence

摘要： In the realm of decision-making for defense and security applications, it is paramount to swiftly and accurately identify the intentions of incoming s ...

作者： Bing Wang¹;Menglei Li¹;Guodong Fang¹;Jiqiang Hu¹;CA1;Jinrui Ye²;CA2;Bing Wang¹;Songhe Meng¹; （¹National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin, 150001, PR China;²School of Aerospace Engineering, Beijing Institute of Technology, Beijing, 100081, PR China）

出处： Composites Science and Technology 2024 Vol.251 P110540

摘要： A novel FFT-based computational framework for coupling non-local elastic-plastic damage model is proposed in this paper, which is employed to accurate ...

作者： Qian Xiao¹;Lincheng Li^2,3;Jingrui Zhang¹;Ming Xu²; （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing, China ²School of Astronautics, Beihang University, Beijing, China ³School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Singapore）

出处： IEEE Transactions on Control Systems Technology 2024 P1-8

关键词： Smoothing methods;Convergence;Space vehicles;Switches;Trajectory;Orbits;Optimal control

摘要： This brief is devoted to the power-constrained low-thrust optimal control problem (OCP). First, a general model for a class of power constraints is pr ...

作者： Yadong Wang^1,2;Ziyi Wu¹;Haiyin Piao³;Shaoming He¹; （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing, China ²Department of Computer Science and Technology, Tsinghua University, Beijing, China ³School of Electronics and Information, Northwestern Polytechnical University, Xi\'an, China）

出处： IEEE Transactions on Aerospace and Electronic Systems 2024 P1-14

关键词： Observability;Three-dimensional displays;Vectors;Missiles;Velocity measurement;Weaving;Position measurement

摘要： This paper presents a three-dimensional (3D) homing guidance law against a stationary target by using only bearing or angle measurement. The unobserva ...