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| 1 | Tracking control for air-breathing hypersonic cruise vehicle based on tangent linearization approach显示文摘This paper is focused on developing a tracking controller for a hypersonic cruise vehicle using tangent linearization approach.The design of flight control systems for air-breathing hypersonic vehicles is a highly challenging task due to the unique characteristics of the vehicle dynamics.Motivated by recent results on tangent linearization control,the tracking control problem for the hypersonic cruise vehicle is reduced to that of a feedback stabilizing controller design for a linear time-varying system which can be accomplished by a standard design method of frozen-time control.Through a proper model transformation,it can be proven that the tracking error of the designed closed-loop system decays exponentially.Simulation studies are conducted for trimmed cruise conditions of 110000 ft and Mach 15 where the responses of the vehicle to step changes in altitude and velocity are evaluated.The effectiveness of the controller is demonstrated by simulation results. | Guangbin Cai Guangren Duan Changhua Hu Bin Zhou | 2010 | Journal of Systems Engineering and Electronics2010，21，3： | 7 |
| 2 | Mobile emergency (surgical) hospital: Development and application in medical relief of "4.20" Lushan earthquake in Sichuan Province, China显示文摘 | Bin Cheng Ruofei Shi Dingyuan Du Ping Hu Jun Feng Guangbin Huang Anning Cai Wei Yin Ronggang Yang | 2015 | Chinese Journal of Traumatology2015，18，1： | 5 |
| 3 | Consensus of multi-vehicle cooperative attack with stochastic multi-hop time-varying delay and actuator fault显示文摘A consensus-distributed fault-tolerant(CDFT)control law is proposed for a class of leader-following multi-vehicle cooperative attack(MVCA)systems in this paper.In particular,the switching communication topologies,stochastic multi-hop timevarying delays,and actuator faults are considered,which may lead to system performance degradation or on certain occasions even cause system instability.Firstly,the estimator of actuator faults for the following vehicle is designed to identify the actuator faults under a fixed topology.Then the CDFT control protocol and trajectory following error are derived by the relevant content of Lyapunov stability theory,the graph theory,and the matrix theory.The CDFT control protocol is proposed in the same manner,where a more realistic scenario is considered,in which the maximum trajectory following error and information on the switching topologies during the cooperative attack are available.Finally,numerical simulation are carried out to indicate that the proposed distributed fault-tolerant(DFT)control law is effective. | CAI Guangbin ZHAO Yushan ZHAO Yang HU Changhua | 2021 | Journal of Systems Engineering and Electronics2021，32，1： | 1 |
| 4 | A Data-Based Feedback Relearning Algorithm for Uncertain Nonlinear Systems显示文摘In this paper,a data-based feedback relearning algorithm is proposed for the robust control problem of uncertain nonlinear systems.Motivated by the classical on-policy and off-policy algorithms of reinforcement learning,the online feedback relearning(FR)algorithm is developed where the collected data includes the influence of disturbance signals.The FR algorithm has better adaptability to environmental changes(such as the control channel disturbances)compared with the off-policy algorithm,and has higher computational efficiency and better convergence performance compared with the on-policy algorithm.Data processing based on experience replay technology is used for great data efficiency and convergence stability.Simulation experiments are presented to illustrate convergence stability,optimality and algorithmic performance of FR algorithm by comparison. | Chaoxu Mu Yong Zhang Guangbin Cai Ruijun Liu Changyin Sun | 2023 | IEEE/CAA Journal of Automatica Sinica2023，10，5： | 0 |
| 5 | Analytical reentry guidance framework based on swarm intelligence optimization and altitude-energy profile显示文摘Aimed at improving the real-time performance of guidance instruction generation,an analytical hypersonic reentry guidance framework is presented.The key steps of the novel guidance framework are the parameterization of reentry guidance problems and the optimization of parameters.First,a quintic polynomial function of energy was designed to describe the altitude profile.Then,according to the altitude-energy profile,the altitude,velocity,flight path angle,and bank angle were obtained analytically,which naturally met the terminal constraints.In addition,the angle of the attack profile was determined using the velocity parameter.The swarm intelligent optimization algorithms were used to optimize the parameters.The path constraints were enforced by the penalty function method.Finally,extensive simulations were carried out in both nominal and dispersed cases,and the simulation results showed that the proposed guidance framework was effective,high-precision,and robust in different scenarios. | Hui XU Guangbin CAI Chaoxu MU Xin LI | 2023 | Chinese Journal of Aeronautics2023，36，12： | 0 |
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