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作品数：504被引量：778H指数：12
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Precision motion control for electro-hydraulic axis systems under unknown time-variant parameters and disturbances被引量：1
《Chinese Journal of Aeronautics》2024年第1期463-471,共9页Xiaowei YANG Yaowen GE Wenxiang DENG Jianyong YAO 
supported in part by the National Key R&D Program of China(No.2021YFB2011300);the National Natural Science Foundation of China(No.52075262,51905271,52275062);the Fok Ying-Tong Education Foundation of China(No.171044);the Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.KYCX22_0471)。
This article focuses on asymptotic precision motion control for electro-hydraulic axis systems under unknown time-variant parameters,mismatched and matched disturbances.Different from the traditional adaptive results ...
关键词：Adaptive control Asymptotic convergence Electro-hydraulic axis system Precision motion control Unknown time-variant parameters and disturbances 
Observer-based motion axis control for hydraulic actuation systems被引量：2
《Chinese Journal of Aeronautics》2023年第9期408-415,共8页Xiaowei YANG Yaowen GE Wenxiang DENG Jianyong YAO 
This work was supported in part by the National Key R&D Program of China(No.2021YFB2011300);the National Natural Science Foundation of China(No.52075262,51905271,52275062);the Fok Ying-Tong Education Foundation of China(No.171044);the Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.KYCX22_0471).
Unknown dynamics including mismatched mechanical dynamics(i.e.,parametric uncertainties,unmodeled friction and external disturbances)and matched actuator dynamics(i.e.,pressure and flow characteristic uncertainties)br...
关键词：Adaptive control Asymptotic convergence Hydraulic actuation system Sensor noise Unknown dynamics compensation 
Passive localization by a single moving observer using TOA only with unknown SRI:Observability analysis and algorithm
《Chinese Journal of Aeronautics》2023年第6期318-331,共14页Min ZHANG Yuhao PEI Xi LI Fucheng GUO 
supported by the National Natural Science Foundation of China(No.61901494).
Passive localization by a single moving observer using Time of Arrival(TOA)only with an unknown Signal Repetition Interval(SRI)is investigated in this paper.Observability analysis is performed first.The observability ...
关键词：Cramer-Rao lower bound Maximum likelihood estimation Observability analysis Passive localization Signal Repetition Interval(SRI) Time of Arrival(TOA) 
An advanced five-unknown higher-order theory for free vibration of composite and sandwich plates被引量：2
《Chinese Journal of Aeronautics》2021年第9期104-118,共15页Zhen WU Rui MA Yongzhi LI Yushan XIAO Jie MEI 
supported by SKLLIM1902 and the National Natural Sciences Foundation of China(No.11402152)。
Accurate prediction of dynamic characteristics is quite critical to understand the strength of layered structures.Nevertheless,the existing five-unknown higher-order theories encounter difficulties to forecast accurat...
关键词：Analytical solution Five-unknown Free vibrations Higher-order theory Sandwich plates 
State estimate for stochastic systems with dual unknown interference inputs被引量：1
《Chinese Journal of Aeronautics》2020年第9期2395-2407,共13页Xiaoxue FENG Shuhui LI Feng PAN 
supported by the National Natural Science Foundation of China(Nos.61603040 and 61433003);Yunnan Applied Basic Research Project of China(No.201701CF00037);Guangdong Province Science and Technology Innovation Strategy Special Fund Project,China(No.skjtdzxrwqd2018001);Yunnan Provincial Science and Technology Department Key Research Program(Engineering),China(No.2018BA070)。
Stochastic system state estimation subject to the unknown interference input widely exists in many fields,such as the control,communication,signal processing,and fault diagnosis.However,the research results are mostly...
关键词：Adaptive filter Decoupling filter State estimate Stochastic system Unknown interference input 
Variational Bayesian labeled multi-Bernoulli filter with unknown sensor noise statistics被引量：5
《Chinese Journal of Aeronautics》2016年第5期1378-1384,共7页Qiu Hao Huang Gaoming Gao Jun 
supported by the National High Technology Research and Development Program of China (No.2014AA7014061);the National Natural Science Foundation of China (No.61501484)
It is difficult to build accurate model for measurement noise covariance in complex backgrounds. For the scenarios of unknown sensor noise variances, an adaptive multi-target tracking algorithm based on labeled random...
关键词：Labeled random finite set Multi-Bernoulli filter Multi-target tracking Parameter estimation Variational Bayesian approximation 
Relative dynamics estimation of non-cooperative spacecraft with unknown orbit elements and inertial tensor被引量：5
《Chinese Journal of Aeronautics》2016年第2期479-491,共13页Yu Han Zhang Xiujie Liu Lingyu Wang Shuo Song Shenmin 
financial support provided by the National Natural Science Foundation of China(Nos.61174037,61573115);the National Basic Research Program of China(No.2012CB821205)
The state estimation for relative motion with respect to non-cooperative spacecraft in ren- dezvous and docking （RVD） is a challenging problem. In this paper, a completely non-cooperative case is considered, which m...
关键词：Cubature Kalman filter MAP estimator Non-cooperative spacecraft Relative motion Stereo vision 
Particle flters for probability hypothesis density flter with the presence of unknown measurement noise covariance被引量：9
《Chinese Journal of Aeronautics》2013年第6期1517-1523,共7页Wu Xinhui Huang Gaoming Gao Jun 
supported by National High-tech Research and Development Program of China (No.2011AA7014061)
In Bayesian multi-target fltering,knowledge of measurement noise variance is very important.Signifcant mismatches in noise parameters will result in biased estimates.In this paper,a new particle flter for a probabilit...
关键词：Multi-target tracking（MTT） Parameter estimation Probability hypothesis density Sequential Monte Carlo Variational Bayesian method 
MODAL PARAMETERS EXTRACTION WITH CROSS CORRELATION FUNCTION AND CROSS POWER SPECTRUM UNDER UNKNOWN EXCITATION被引量：1
《Chinese Journal of Aeronautics》2000年第1期19-23,共5页郑敏 申凡 陈怀海 鲍明 
Item of the 9-th F ive Plan of the Aeronautical Industrial Corporation
In most of real operational conditions only response data are measurable while the actual excitations are unknown, so modal parameter must be extracted only from responses. This paper gives a theoretical formulation f...
关键词：Algorithms Correlation methods Dynamic response Eigenvalues and eigenfunctions Frequency domain analysis Functions Modal analysis Parameter estimation Structural frames Time domain analysis Vibrations (mechanical) White noise 
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