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Distributed game strategy for unmanned aerial vehicle formation with external disturbances and obstacles Research Article

Yang YUAN, Yimin DENG, Sida LUO, Haibin DUAN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 7,   Pages 1020-1031 doi: 10.1631/FITEE.2100559

Abstract: We investigate a for formations with external disturbances and obstacles. The strategy is based on a framework and . First, we propose a to estimate the influence of a disturbance, and prove that the observer converges in fixed time using a Lyapunov function. Second, we design an based on topology reconstruction, by which the UAV can save energy and safely pass obstacles. Third, we establish a distributed MPC framework where each UAV exchanges messages only with its neighbors. Further, the cost function of each UAV is designed, by which the UAV formation problem is transformed into a game problem. Finally, we develop LFPIO and use it to solve the Nash equilibrium. Numerical simulations are conducted, and the efficiency of LFPIO based distributed MPC is verified through comparative simulations.

Keywords： Distributed model predictive control (MPC)     Levy flight based pigeon inspired optimization (LFPIO)     Non-singular    

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De-noising of diesel vibration signal using wavelet packet and singular value decomposition

DUAN Li-xiang, ZHANG Lai-bin, WANG Zhao-hui

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 443-447 doi: 10.1007/s11465-006-0055-6

Abstract: Secondly, singular value decomposition is applied to de-noising vibration signals.Finally, a new de-noise method integrated with wavelet packet and singular value is presented.vibration signals are decomposed by wavelet packet, and the wavelet packet coefficient is de-noised by singular

Keywords： coefficient     de-noised     cylinder     signal-to-noise     wavelet decomposition    

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Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 205-210 doi: 10.1007/s11709-007-0024-0

Abstract: Based on the Backus-Gilbert inverse theory, the singular value decomposition (SVD) for general inverse

Keywords： singular     SVD     second-order     covariance     Theoretical    

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Observer-based control for fractional-order singular systems with order Research Article

Bingxin LI, Xiangfei ZHAO, Xuefeng ZHANG, Xin ZHAO

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 12,   Pages 1862-1870 doi: 10.1631/FITEE.2200294

Abstract: In this paper, for fractional-order with order (0<<1) and is studied. On the basis of the Smith predictor and approximation error, the system with is approximately equivalent to the system without . Furthermore, based on the (LMI) technique, the necessary and sufficient condition of is proposed. Since the condition is a nonstrict LMI, including the equality constraint, it will lead to some trouble when solving problems using toolbox. Thus, the strict LMI-based condition is improved in the paper. Finally, a numerical example and a direct current motor example are given to illustrate the effectiveness of the strict LMI-based condition.

Keywords： Observer-based control     Singular systems     Fractional order     Input delay     Linear matrix inequality    

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Bevacizumab in combination with pemetrexed and platinum for elderly patients with advanced non-squamousnon-small-cell lung cancer: a retrospective analysis

Frontiers of Medicine 2022, Volume 16, Issue 4,   Pages 610-617 doi: 10.1007/s11684-021-0827-8

Abstract: anti-VEGF monoclonal antibody, has significantly improved the clinical outcomes of patients with advanced non-squamous

Keywords： bevacizumab     elderly patient     advanced non-small-cell lung cancer     overall survival     toxicity    

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Weak characteristic information extraction from early fault of wind turbine generator gearbox

Xiaoli XU, Xiuli LIU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 357-366 doi: 10.1007/s11465-017-0423-4

Abstract: characteristic information during early fault evolution in gearbox of wind turbine generator, traditional singular

Keywords： wind turbine generator gearbox     µ-singular value decomposition     local mean decomposition     weak characteristic    

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A robust intelligent audio watermarking scheme using support vector machine Article

Mohammad MOSLEH,Hadi LATIFPOUR,Mohammad KHEYRANDISH,Mahdi MOSLEH,Najmeh HOSSEINPOUR

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 12,   Pages 1320-1330 doi: 10.1631/FITEE.1500297

Abstract: One of the major deficiencies of conventional audio watermarking techniques is the use of non-intelligentpaper presents a new robust intelligent audio water-marking scheme using a synergistic combination of singularThe methodology involves embedding a watermark data by modulating the singular values in the SVD transform

Keywords： Audio watermarking     Copyright protection     Singular value decomposition (SVD)     Machine learning     Support    

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Error analysis of the parameters for non-coaxial grazing X-ray microscope

ZHAO Lingling, HU Jiasheng, LI Xiang

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 323-329 doi: 10.1007/s11465-007-0057-z

Abstract: A non-coaxial grazing X-ray microscope, consisting of four spherical mirrors, is designed for diagnosisA set of non-coaxial grazing X-ray microscopes is manufactured based on the tolerances.

Keywords： non-coaxial     spherical     manufacturing     necessary     diagnosis    

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Output Feedback Control for the Descriptor TS Fuzzy Systems With Pole-placement Constraints

Gao Dan,Cao Yuanyuan

Strategic Study of CAE 2006, Volume 8, Issue 4,   Pages 63-67

Abstract:

The design of dynamic output-feedback controller is investigated for the descriptor fuzzy TS models. By transforming the design problem into the feasible solution problems to a set of linear matrix inequalities, the properly stabilizing output controllers are obtained. The resulting closed-loop system can be ensured to satisfy certain performance index and locate at the required pole-placement region.

Keywords： singular fuzzy system     dynamic output-feedback     LMI     pole placement    

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Molecular classification of non-small-cell lung cancer: diagnosis, individualized treatment, and prognosis

Yue Yu, Jie He

Frontiers of Medicine 2013, Volume 7, Issue 2,   Pages 157-171 doi: 10.1007/s11684-013-0272-4

Abstract:

Non-small-cell lung cancer (NSCLC) is the most common cause of premature death among the malignant

Keywords： non-small-cell lung cancer     molecular typing     individualized medicine     molecular-targeted therapy     gene expression    

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The world’s first offshore wind power non-desalination of seawater electrolysis for hydrogen production

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 317-319 doi: 10.1007/s11708-023-0888-2

Abstract: The world’s first offshore wind power non-desalination of seawater electrolysis for hydrogen production

Keywords： China     wind power non    

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Identify the contribution of vehicle non-exhaust emissions: a single particle aerosol mass spectrometer

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 5, doi: 10.1007/s11783-023-1662-8

Abstract:

● A single particle observation was conducted in a high traffic flow road environment.

Keywords： Non-exhaust emissions     SPAMS     PMF     Roadside environment    

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A conceptual methodology for simultaneous optimization of water and heat with non-isothermal mixing

Yanlong Hou, Wanni Xie, Zhenya Duan, Jingtao Wang

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 154-165 doi: 10.1007/s11705-016-1593-z

Abstract: conceptual methodology is proposed to simultaneously integrate water allocation and energy networks with non-isothermalthe obtained WAN, the whole water allocation and heat exchange network (WAHEN) is combined with the non-isothermal

Keywords： simultaneous integration     non-isothermal mixing     multi-target optimization     water and energy networks    

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FULL TIME-SPACE GOVERNANCE STRATEGY AND TECHNOLOGY FOR CROPLAND NON-POINT POLLUTION CONTROL IN CHINA

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 593-606 doi: 10.15302/J-FASE-2023522

Abstract:

Ensuring food safety while reducing agricultural non-point source pollution is quite challenging,Effective systematic strategies and comprehensive technologies need to be developed for agricultural non-pointthe scale of an administrative village and proved to be a feasible solution for reducing agricultural non-pointgovernance standards and supportive policies need to be set to enhance the efficacy of agricultural non-point

Keywords： 4R chain technology system     agricultural non-point source pollution     case study     full time-space governance    

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Title Author Date Type Operation

Distributed game strategy for unmanned aerial vehicle formation with external disturbances and obstacles

Yang YUAN, Yimin DENG, Sida LUO, Haibin DUAN

Journal Article

De-noising of diesel vibration signal using wavelet packet and singular value decomposition

DUAN Li-xiang, ZHANG Lai-bin, WANG Zhao-hui

Journal Article

Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Journal Article

Observer-based control for fractional-order singular systems with order

Bingxin LI, Xiangfei ZHAO, Xuefeng ZHANG, Xin ZHAO

Journal Article

Bevacizumab in combination with pemetrexed and platinum for elderly patients with advanced non-squamousnon-small-cell lung cancer: a retrospective analysis

Journal Article

Weak characteristic information extraction from early fault of wind turbine generator gearbox

Xiaoli XU, Xiuli LIU

Journal Article

A robust intelligent audio watermarking scheme using support vector machine

Mohammad MOSLEH,Hadi LATIFPOUR,Mohammad KHEYRANDISH,Mahdi MOSLEH,Najmeh HOSSEINPOUR

Journal Article

Error analysis of the parameters for non-coaxial grazing X-ray microscope

ZHAO Lingling, HU Jiasheng, LI Xiang

Journal Article

Output Feedback Control for the Descriptor TS Fuzzy Systems With Pole-placement Constraints

Gao Dan,Cao Yuanyuan

Journal Article

Molecular classification of non-small-cell lung cancer: diagnosis, individualized treatment, and prognosis

Yue Yu, Jie He

Journal Article

The world’s first offshore wind power non-desalination of seawater electrolysis for hydrogen production

Journal Article

Zhou Bo: Do Energy Subsidies Occupy Fiscal and Household Non-Energy Expenditures? (2020-7-12)

10 Jun 2022

Conference Videos

Identify the contribution of vehicle non-exhaust emissions: a single particle aerosol mass spectrometer

Journal Article

A conceptual methodology for simultaneous optimization of water and heat with non-isothermal mixing

Yanlong Hou, Wanni Xie, Zhenya Duan, Jingtao Wang

Journal Article

FULL TIME-SPACE GOVERNANCE STRATEGY AND TECHNOLOGY FOR CROPLAND NON-POINT POLLUTION CONTROL IN CHINA

Journal Article