5篇
您的检索式：作者名="LU Hongqian"
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| 1 | Three-dimensional time-varying sliding mode guidance law against maneuvering targets with terminal angle constraint显示文摘This paper deals with the problem of intercepting maneuvering targets with terminal angle constraints for missiles subjected to three-dimensional non-decoupling engagement geometry.To achieve the finite-time interception and satisfactory overload characteristics, a time varying sliding mode control methodology is developed based on a time base generator function. The main feature of the proposed guidance law guarantees the Line-of-Sight(LOS) angles to converge to small neighborhoods of the desired values at the interception time. First, a fractional power extended state observer is used to estimate the unknown target acceleration, which can significantly reduce the adaptive switching gain. The fractional power extended state observer enjoys the advantage of better noise tolerance. Then, a newly designed sliding mode surface is constructed by introducing a time base generator function and the time-varying sliding mode guidance law is developed based on this time-varying sliding surface. The proposed guidance law significantly reduces the overload magnitudes. Numerical simulations are carried out to verify the performance of the proposed guidance law. | Xinxin WANG Hongqian LU Xianlin HUANG Yefeng YANG Zongyu ZUO | 2022 | Chinese Journal of Aeronautics2022，35，4： | 4 |
| 2 | Exponential stability of hybrid stochastic neural networks with mixed time delays and nonlinearity 显示文摘 | Zhou Wuneng Lu Hongqian Duan Chunmei | 2009 | Neurocomputing2009，72，1315： | 1 |
| 3 | Robust H∞ control for a generic linear rational expectations model of econ- omy显示文摘 | LI Mingbao ZHOU Wuneng LU Hongqian | 2010 | Applied Mathematics and Computation2010，216，7： | 1 |
| 4 | An LMI-based decoupling control for electromagnetic formation flight显示文摘Electromagnetic formation flight(EMFF) leverages electromagnetic force to control the relative position of satellites. EMFF offers a promising alternative to traditional propellant-based spacecraft flight formation. This novel strategy is very attractive since it does not consume fuel. Due to the highly coupled nonlinearity of electromagnetic force, it is difficult to individually design a controller for one satellite without considering others, which poses challenges to communications.This paper is devoted to decoupling control of EMFF, including regulations, constraints and controller design. A learning-based adaptive sliding mode decoupling controller is analyzed to illustrate the problem of existing results, and input rate saturation is introduced to guarantee the validity of frequency division technique. Through transformation, the imposed input rate saturation is converted to state and input constraints. A linear matrix inequalities(LMI)-based robust optimal control method can then be used and improved to solve the transformed problem. Simulation results are presented to demonstrate the effectiveness of the proposed decoupling control. | Huang Xianlin Zhang Chun Lu Hongqian Yin Hang | 2015 | Chinese Journal of Aeronautics2015，28，2： | 0 |
| 5 | Stability analysis of the simplest Takagi-Sugeno fuzzy control system using circle criterion显示文摘A frequency-domain-based sufficient condition is derived to guarantee the globally asymptotic stability of the simplest Takagi-Sugeno (T-S) fuzzy control system by using the circle criterion. The analysis is performed in the frequency domain, and hence the condition is of great significance when the frequency-response method, which is widely used in the linear control theory and practice, is employed to synthesize the simplest T-S fuzzy controller. Besides, this sufficient condition is featured by a graphical interpretation, which makes the condition straightforward to be used. Comparisons are drawn between the performance of the simplest T-S fuzzy controller and that of the linear compensator. Two numerical examples are presented to demonstrate how this sufficient condition can be applied to both stable and unstable plants. | Lu Hongqian Huang Xianlin Gao X. Z. Ban Xiaojun Yin Hang | 2007 | Journal of Systems Engineering and Electronics2007，18，2： | 0 |
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