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CRANK-NICOLSON GALERKIN APPROXIMATIONS FOR LOGARITHMIC KLEIN-GORDON EQUATION
《Journal of Computational Mathematics》2025年第3期641-672,共32页Fang Chen Meng Li Yanmin Zhao 
supported by the China Postdoctoral Science Foundation(Grant No.2023T160589);by the Cultivation Foundation of Zhengzhou University(Grant No.JC23153003);by the National Natural Science Foundation of China(Grant Nos.11801527,11971416);by the Natural Science Foundation of Henan Province(Grant No.222300420256);by the Training Plan of Young Backbone Teachers in Colleges of Henan Province(Grant No.2020GGJS230);by the Program for Innovative Research Team(in Science and Technology)in University of Henan Province(Grant No.23IRTSTHN018);by the Academic Degrees&Graduate Education Reform Project of Henan Province(Grant No.2021SJGLX224Y).
This paper presents three regularized models for the logarithmic Klein-Gordon equation.By using a modified Crank-Nicolson method in time and the Galerkin finite element method(FEM)in space,a fully implicit energy-cons...
关键词：Logarithmic Klein-Gordon equation Finite element method CUT-OFF Error splitting technique CONVERGENCE 
Genetic Clustering-Based Equivalent Model of Wind Farm with Doubly Fed Induction Generator
《Journal of Shanghai Jiaotong university(Science)》2025年第2期300-308,共9页CAI Zhenhua LI Canbing WU Qiuwei YANG Tongguang LI Zhenkai 
the National Key R&D Program of China(No.2019YFE0114700);the Key R&D Program in Hunan Province of China(No.2021GK2020);the Natural Science Foundation of Hunan Province of China(No.2021JJ30079);the Project of Philosophy and Social Science Research in Yiyang City(No.2022YS191)。
With increasing the number of wind power generators,the consumption time of electromagnetic simulation of the wind farm explodes.To reduce the simulation time while meeting the accuracy requirement,a genetic clusterin...
关键词：electromagnetic simulation genetic clustering-based equivalent model doubly fed induction gener-ators sum of squares due to error collection network 
Manifold-Optimized Error-State Kalman Filter for Robust Pose Estimation in Unmanned Aerial Vehicles
《Journal of Electronic Research and Application》2025年第2期247-257,共11页Bolin Jia Zongwen Bai Yiqun Gao Dong Wang Meili Zhou Peiqi Gao Pei Zhang Zhang Yang 
National Natural Science Foundation of China(Grant No.62266045);National Science and Technology Major Project of China(No.2022YFE0138600)。
This paper presents a manifold-optimized Error-State Kalman Filter(ESKF)framework for unmanned aerial vehicle(UAV)pose estimation,integrating Inertial Measurement Unit(IMU)data with GPS or LiDAR to enhance estimation ...
关键词：UAV pose estimation Error-State Kalman Filter MANIFOLD GPS LIDAR 
An error-based observer improved by the repetitive control strategy for electro-optical tracking systems
《Frontiers of Information Technology & Electronic Engineering》2025年第3期441-455,共15页Mai TANG Wenqiang XIA Jiuqiang DENG Yao MAO 
Electro-optical tracking systems have been widely used in the cutting-edge domains of free space environment detection and communication owing to their exceptional performance.However,external disturbances often signi...
关键词：Disturbance suppression Error-based observer Repetitive control Electro-optical tracking system Specific frequency point 
Wind power correction model designed by the quantitative assessment for the impacts of forecasted wind speed error
《Advances in Climate Change Research》2025年第1期73-81,共9页Zhi-Qi XU Tong XUE Xin-Yu CHEN Jin FENG Gu-Wei ZHANG Cheng WANG Chun-Hui LU Hai-Shan CHEN Yi-Hui DING 
supported by the National Natural Science Foundation of China(42205040,42275009 and 42205170);the Beijing Meteorological Bureau(202201007);Key Laboratory of Meteorological Disaster,Ministry of Education&Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters open research project(202303 and 202306);China Meteorological Administration Training Centre Youth Research Program(2023CMATCQN05).
The errors in wind power forecast will incur additional cost.It is critical to quantify the relationship between forecasting error in wind speed and power output.Unlike previous works that have rarely considered the s...
关键词：Correction model Wind speed error Wind power error Quantitative computation 
Active Control Method for Frequency Domain Error of Aerostatic Spindle Based on Acoustic Levitation
《Chinese Journal of Mechanical Engineering》2025年第1期119-139,共21页Guoda Chen Zhaoshou Chen Yifan Ge 
Supported by National Natural Science Foundation of China(Grant No.52475494);Zhejiang Provincial Natural Science Foundation of China(Grant No.LY22E050003);Fundamental Research Funds for the Provincial Universities of Zhejiang(Grant No.RF-A2020005).
In the machining of high-end optical components,the aerostatic spindle error of an ultra-precision machine tool has a significant impact on the surface quality of the machined surfaces.The surfaces of many high-end op...
关键词：Acoustic levitation Aerostatic spindle Multi-field coupling Numerical model Frequency domain error 
Area Skewness for Random Samples Drawn from an Unknown or Specified Distribution
《Open Journal of Statistics》2025年第1期93-128,共36页José Moral de la Rubia 
Singh, Gewali, and Khatiwada proposed a skewness measure for probability distributions called Area Skewness (AS), which has desirable properties but has not been widely applied in practice. One reason for this may be ...
关键词：SKEWNESS Quantitative Variable Bootstrap Confidence Interval Asymptotic Confidence Interval Bootstrap-vs-Asymptotic Error Comparison R Program 
On Sampled-Data PI Control for Nonlinear Systems
《Journal of Systems Science & Complexity》2024年第6期2511-2529,共19页XU Shuai LI Chanying 
supported in part by National Key R&D Program of China under Grant No.2018YFA0703800;the National Natural Science Foundation of China under Grant No.U21B6001;the China Postdoctoral Science Foundation under Grant No.2021TQ0352。
This paper studies sampled-data proportional-integral(PI)control for a basic class of nonlinear uncertain systems.The authors claim that a process with the first-order dynamics can achieve zero steady-state error thro...
关键词：Nonlinear systems sampled-data PI control setpoint tracking UNCERTAINTIES zero steadystate error 
Suppression of the vapor cell temperature error in a spin-exchange relaxation-free comagnetometer
《Chinese Physics B》2024年第12期236-241,共6页Jia-Li Liu Li-Wei Jiang Chi Fang Xin Zhao Yuan-Qiang Chen 
Project supported by the National Natural Science Foundation of China(Grant Nos.62103024 and 61925301);in part by the Aeronautical Science Foundation(Grant No.2023Z073051012)。
The fluctuation of the vapor cell temperature leads to the variations of the density of the alkali metal atoms,which seriously damages the long-term stability of the spin-exchange relaxation-free(SERF)comagnetometer.T...
关键词：spin-exchange relaxation-free atomic comagnetometer cell temperature error probe laser frequency 
Linear Programming-Based Consensus of Positive Continuous-Time Multi-Agent Systems
《IEEE/CAA Journal of Automatica Sinica》2024年第12期2519-2521,共3页Junfeng Zhang Fengyu Lin Shihong Ding Wei Xing 
supported by the National Nature Science Foundation of China(62073111);the Science Research Funding of Hainan University(KYQD(ZR)22180)。
Dear Editor,This letter deals with the consensus of positive multi-agent systems(PMASs).A consensus protocol is proposed by introducing a finite consensus point.An error is defined as the differences in the linear com...
关键词：AGENT system ERROR 
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