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浏览/检索结果: 共100条，第1-10条 帮助 限定条件 发表日期：2018    专题：北京航空航天大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Singularity-free path following control for miniature unmanned helicopters 期刊论文 Lecture Notes in Electrical Engineering, 2018, 卷号: 460, 页码: 669-683 作者:  Ma, X.;  Huo, W. 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/30 Aircraft control  Attitude control  Backstepping  Hyperbolic functions  Intelligent systems  Position control  Unmanned aerial vehicles (UAV)  Attitude representation  Hyperbolic tangent function  Miniature unmanned helicopter  Non-linear controllers  Path following  Path generation methods  Quaternion  Singularity-free  Controllers   Symbols and functions of two kinds of ghosts in August Wilson’s The Piano Lesson 期刊论文 ANQ - Quarterly Journal of Short Articles Notes and Reviews, 2018, 卷号: 31, 页码: 272-275 作者:  Tian, J.;  Li, N. 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/30 A design of radiation pattern and polarization reconfigurable antenna using metasurface 会议论文 Asia-Pacific Microwave Conference Proceedings, APMC, 2017-11-13 作者:  Chen, A.;  Ning, X.;  Wang, L.;  Zhang, Z. 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/30 Antennas  Polarization  High-frequency structure simulators  Metasurface  PIN switches  Polarization reconfigurable  Polarization reconfigurations  Proposal functions  Radiation pattern reconfigurations  Right-circular polarizations  Directional patterns (antenna)   Failure Assessment for the High-Strength Pipelines with Constant-Depth Circumferential Surface Cracks 期刊论文 ADVANCES IN MATERIALS SCIENCE AND ENGINEERING, 2018, 卷号: 2018 作者:  Liu, X.;  Lu, Z. X.;  Chen, Y.;  Sui, Y. L.;  Dai, L. H. 收藏  |  浏览/下载：16/0  |  提交时间：2019/12/30 Cracks  Finite element method  High pressure pipelines  Integral equations  Method of moments  Petroleum transportation  Pipelines  Surface defects  Thin walled structures  Circumferential surface cracks  Engineering estimations  High-strength pipeline steel  Influence functions  Oil and gas transportation  Pipe wall thickness  Structural integrity assessment  Three dimensional finite elements  High strength steel   Time-frequency analysis of acoustic signals from a high-lift configuration with two wavelet functions 期刊论文 APPLIED ACOUSTICS, 2018, 卷号: 129, 页码: 155-160 作者:  Li, Ling;  Liu, Peiqing;  Xing, Yu;  Guo, Hao 收藏  |  浏览/下载：5/0  |  提交时间：2019/12/30 Multiple tonal phenomena  High-lift configuration  Mode switching mechanism  Amplitude modulation mechanism  Wavelet function   A modified adaptive backstepping method for shaft deflection tracking control of magnetically suspended momentum wheel with nonlinear magnetic torque 期刊论文 JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS, 2018, 卷号: 355, 页码: 3274-3287 作者:  Wang, Xinwei;  Han, Chao;  Yu, Yuanjin;  Yang, Zhaohua 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/30 Backstepping  Deflection (structures)  Magnetic bearings  Navigation  Stiffness  Wheels  Active Magnetic Bearing  Back-stepping method  Continuous functions  Lyapunov stability theory  Magnetic bearing systems  Magnetically suspended  Modified adaptive backstepping  Stiffness coefficients  Magnetism   Preparation of reduced graphene oxide coated flaky carbonyl iron composites and their excellent microwave absorption properties 期刊论文 RSC ADVANCES, 2018, 卷号: 8, 页码: 2971-2977 作者:  He, Lihua;  Zhao, Yan;  Xing, Liying;  Liu, Pinggui;  Wang, Zhiyong 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/30 Delta functions  Dielectric losses  Dispersions  Impedance matching (electric)  Nanosheets  Permittivity  Absorber thickness  Characteristic impedance  Complex permittivity  Effective bandwidth  Microwave absorbing performance  Microwave absorption properties  Reduced graphene oxides  Reduced graphene oxides (RGO)  Graphene   Bounded Motions near Contact Binary Asteroids by Hamiltonian Structure-Preserving Control 期刊论文 JOURNAL OF GUIDANCE CONTROL AND DYNAMICS, 2018, 卷号: 41, 页码: 401-416 作者:  Liang, Yuying;  Xu, Ming;  Xu, Shijie 收藏  |  浏览/下载：16/0  |  提交时间：2019/12/30 Asteroids  Bins  Controllers  Global optimization  Maximum likelihood  Optimization  Artificial potential functions  Controlled motions  Equilibrium point  Hamiltonian structures  Numerical optimizations  Optimization strategy  Unstable manifold  Variation of Parameters  Hamiltonians   Inner approximations of domains of attraction for a class of switched systems by computing Lyapunov-like functions 期刊论文 INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL, 2018, 卷号: 28, 页码: 2191-2208 作者:  Zheng, Xiuliang;  She, Zhikun;  Liang, Quanyi;  Li, Meilun 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/30 coordinatewise iteration  domains of attraction  inner approximation  sum of squares  switched systems   Switching fault-tolerant control of a moving vehicle-mounted flexible manipulator system with state constraints 期刊论文 JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS, 2018, 卷号: 355, 页码: 3050-3078 作者:  Xing, Xueyan;  Liu, Jinkun 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/30 Actuators  Asymptotic stability  Closed loop systems  Flexible manipulators  Laws and legislation  Lyapunov functions  Manipulators  Ordinary differential equations  Barrier lyapunov functions  Dynamic characteristics  Fault tolerant control  Infinite dimensions  LaSalle's invariance principle  Monitoring functions  Position regulation  Switching strategies  Fault tolerance