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NONSINGULAR: 作品数：52被引量：72H指数：5; 导出分析报告; 相关领域：理学更多>>; 相关作者：欧阳晨陈建华魏俊潮更多>>; 相关机构：扬州大学华南师范大学更多>>; 相关期刊：《Science China Mathematics》《Chinese Physics Letters》《Acta Mathematica Scientia》《Journal of Geodesy and Geoinformation Science》更多>>; 相关基金：国家自然科学基金上海市教育委员会重点学科基金中国博士后科学基金国家教育部博士点基金更多>>

Cosmological constraints on the background dynamics of a two-field nonsingular bounce model: 《Chinese Physics C》2024年第11期149-155,共7页Kang Song Ri Sin Chol Hwang Hyon Chol Ri; In this study,we consider a nonsingular two-field bounce scenario with non-minimal kinetic coupling between two scalar fields.We derive constraints on the model parameters from the finiteness of the physical quantitie...; 关键词：bounce universe parameter space

Optimised trajectory tracking control for quadrotors based on an improved beetle antennae search algorithm: 《Journal of Control and Decision》2023年第3期382-392,共11页Zhe Lin Ping Li Zhaoqi Zhang; Fujian Provincial Science and Technology Major Project(No.2020HZ02014);Education and Teaching Reform Research Project for Colleges and Universities in Fujian Province(No.FBJG20210239);Huaqiao University Graduate Education Teaching Reform Research Funding Project(No.20YJG009).; This paper focuses on the trajectory tracking of quadrotors under bounded external disturbances.An optimised robust controller is proposed to drive the position and attitude ofa quadrotor converge to their references ...; 关键词：Quadrotor control trajectory tracking nonsingular fast terminal sliding mode control optimisation improved beetle antennae search algorithm

Robust Nonsingular Fixed Time Terminal Sliding Mode Control for Atmospheric Pollution Detection Lidar Scanning Mechanism: 《Journal of Systems Science & Complexity》2023年第2期500-523,共24页KANG Yu YANG Yuxiao CHEN Cai LüWenjun ZHAO Yunbo; supported by the National Key Research and Development Project of China under Grant Nos.2018AAA0100800 and 2018YFE0106800;the National Natural Science Foundation of China under Grant Nos.61903353,61725304,and 1761673361;Major Science and Technology Project of Anhui Province under Grant No.912198698036;SINOPEC Programmes for Science and Technology Development under Grant No.PE19008-8;the Fundamental Research Funds for the Central Universities under Grant No.WK2100000013。; A robust nonsingular fixed time terminal sliding mode control scheme with a time delay disturbance observer is proposed for atmospheric pollution detection lidar scanning mechanism(APDL-SM)system.Distinguished from th...; 关键词：Atmospheric pollution detection lidar fixed time terminal sliding mode time delay disturbance observer tracking control

Sliding Mode Control Approach with Integrated Disturbance Observer for PMSM Speed System被引量：8: 《CES Transactions on Electrical Machines and Systems》2023年第1期118-127,共10页Lei Yuan Yunhao Jiang Lu Xiong Pan Wang; supported in part by the National Natural Science Foundation of China under Grant 51507188;Doctoral Research Startup Foundation of Hubei University of Technology under Grant XJ2021000302。; The research on high-performance vector control of permanent magnet synchronous motor(PMSM)drive system plays an extremely important role in electrical drive system.To further improve the speed control performance of ...; 关键词：PMSM Fast nonsingular terminal sliding-mode Disturbance observer PI control

Non-Negative Adaptive Mechanism-Based Sliding Mode Control for Parallel Manipulators with Uncertainties被引量：1: 《Computers, Materials & Continua》2023年第2期2771-2787,共17页Van-Truong Nguyen; the Vietnam National Foundation for Science and Technology Development(NAFOSTED);Vietnam under Grant No.(107.01-2019.311).; In this paper,a non-negative adaptive mechanism based on an adaptive nonsingular fast terminal sliding mode control strategy is proposed to have finite time and high-speed trajectory tracking for parallel manipulators...; 关键词：Parallel manipulator uncertainties and disturbances nonsingular fast terminal sliding mode control non-negative adaptive mechanism tracking differentiator

Disturbance observer-based nonsingular fixed-time sliding mode tracking control for a quadcopter被引量：3: 《Science China(Information Sciences)》2022年第9期156-168,共13页Xing CHENG Zhi-Wei LIU Huazhou HOU Zhi-Hong GUAN; supported in part by the National Natural Science Foundation of China(Grant Nos.61973133,61673303,61633011,61976099)。; This paper proposes a fixed-time method for the tracking control of a quadcopter subject to external disturbances.Compared with finite-time tracking control,the proposed control strategy ensures that the upper bound o...; 关键词：fixed-time disturbance observer(FTDO) fixed-time sliding mode control(FTSMC) quadcopter trajectory tracking NONSINGULAR

Improved Nonsingular Fast Terminal Sliding Mode Control of Unmanned Underwater Hovering Vehicle被引量：1: 《Journal of Shanghai Jiaotong university(Science)》2022年第3期393-401,共9页HE Chenlu FENG Zhengping; An improved nonsingular fast terminal sliding mode manifold based on scaled state error is proposed in this paper.It can significantly accelerate the convergence rate of the state error which is initially far from the...; 关键词：nonsingular fast terminal sliding mode double power reaching law hovering control underwater vehicle

Nonsingular Fast Terminal Sliding Mode Control Based on Nonlinear Disturbance Observer for a Quadrotor被引量：1: 《Transactions of Nanjing University of Aeronautics and Astronautics》2022年第2期219-230,共12页ZHAO Jing WANG Peng SUN Yanfei XU Fengyu XIE Fei; the National Natural Science Foundation of China(No.52175100);the Natural Science Foundation of Jiangsu Province(No.BK20201379);the 2020 Industrial Transformation and Upgrading Project of Industry and Information Technology Department of Jiangsu Province(No.JITC-2000AX0676-71);the Natural Science Foundation of Nanjing University of Posts and Telecommunications(No.NY221076);the Scientific and Technological Achievements Transformation Project of Jiangsu Province(No.BA2020004)。; Given external disturbances and system uncertainties,a nonsingular fast terminal sliding mode control(NFTSMC)method integrated a nonlinear disturbance observer(NDO)is put forward for quadrotor aircraft.First,a NDO is ...; 关键词：quadrotor aircraft nonlinear disturbance observer(NDO) nonsingular fast terminal sliding mode control(NFTSMC) disturbances

Nearfield acoustic holography in a moving medium based on particle velocity input using nonsingular propagator: 《Chinese Physics B》2022年第2期414-422,共9页Bi-Chun Dong Run-Mei Zhang Bin Yuan Chuan-Yang Yu; supported by the National Natural Science Foundation of China(Grant No.11804002);the University Science Research Project of Anhui Province,China(Grant Nos.KJ2019A0792 and KJ2019A0797);the Anhui Jianzhu University Research Project(Grant No.2018QD06)。; Nearfield acoustic holography in a moving medium is a technique which is typically suitable for sound sources identification in a flow.In the process of sound field reconstruction,sound pressure is usually used as the...; 关键词：nearfield acoustic holography moving medium particle velocity nonsingular propagator

A Solution of the Cosmological Constant and DE and Arrow of Time, Using Model of a Nonsingular Universe from Rosen from Volume (56) Ettore Majorana International Science Series, Physics, 1991: 《Journal of High Energy Physics, Gravitation and Cosmology》2021年第3期925-935,共11页Andrew Beckwith; We reduplicate the Book “Dark Energy” by M. Li, X-D. Li, and Y. Wang, given zero-point energy calculation with an unexpected “length” added to the “width” of a graviton wave just prior to specifying the creation...; 关键词：Minimum Scale Factor Cosmological Constant Space-Time Bubble DE Arrow of Time

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