INTEGRATOR

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UNIFORM ERROR BOUNDS OF AN ENERGY-PRESERVING EXPONENTIAL WAVE INTEGRATOR FOURIER PSEUDO-SPECTRAL METHOD FOR THE NONLINEAR SCHRÖDINGER EQUATION WITH WAVE OPERATOR AND WEAK NONLINEARITY
《Journal of Computational Mathematics》2025年第2期280-314,共35页Jiyong Li 
supported in part by the Natural Science Foundation of Hebei Province(Grant No.A2021205036).
Abstract Recently,the numerical methods for long-time dynamics of PDEs with weak nonlinearity have received more and more attention.For the nonlinear Schrödinger equation(NLS)with wave operator(NLSW)and weak nonlinear...
关键词：Nonlinear Schrodinger equation with wave operator and weak nonlinearity Fourier pseudo-spectral method Exponential wave integrator Energy-preserving method Error estimates Oscillatory problem 
Distributed Nash Equilibrium Seeking with Disturbances of Unknown Frequencies for High-Order Integrators over Jointly Strongly Connected Switching Networks
《Journal of Systems Science & Complexity》2025年第1期369-389,共21页HE Xiongnan HUANG Jie 
supported in part by the Research Grants Council of the Hong Kong Special Administration Region under Grant No.14201420;in part by the National Natural Science Foundation of China under GrantNo.61973260.
In this paper,the authors study the problem of distributed Nash equilibrium seeking of N-player games with high-order integrator dynamics subject to disturbances generated by an uncertain exosystem.Similar problems ha...
关键词：Adaptive control disturbance rejection high-order integrator dynamics internal model jointly strongly connected switching graphs Nash equilibrium seeking 
Research on the application of the parameter freezing precise exponential integrator in vehicle-road coupling vibration
《Applied Mathematics and Mechanics(English Edition)》2025年第2期373-390,共18页Yu ZHANG Chao ZHANG Shaohua LI Shaopu YANG 
Supported by the National Natural Science Foundation of China(No.U22A20246);the Key Project of Natural Science Foundation of Hebei Province of China(Basic Research Base Project)(No.A2023210064);the Science and Technology Program of Hebei Province of China(Nos.246Z1904G and 225676162GH)。
The vehicle-road coupling dynamics problem is a prominent issue in transportation,drawing significant attention in recent years.These dynamic equations are characterized by high-dimensionality,coupling,and time-varyin...
关键词：vehicle-road coupled dynamics dynamic response parameter freezing precise exponential integrator Newmark-βintegration 
Sliding-mode Observer-based Grid Voltage-observation Method with Frequency-fixed Dual SOGI and Cross-compensated Phase-locked Loop
《Chinese Journal of Electrical Engineering》2024年第3期37-49,共13页Leilei Guo Qingyang Ye Nan Jin Zhenkun Liu Zhenjun Wu 
Supported by the Outstanding Youth Science Foundation of Henan Province(242300421074);Henan Province Key R&D Project(241111210400,241111242300).
Conventional sliding-mode observer(SMO)-based grid-voltage observation methods often require a low-pass filter(LPF)to remove high-frequency sliding-mode noise.However,a complicated phase-and amplitude-compensation met...
关键词：Sliding-mode observer(SMO) low-pass filter(LPF) second-order generalized integrator(SOGI) cross-compensation phase-locked loop(PLL) small-signal model 
Global practical stabilization of the double integrator system with an imperfect sensor and subject to a bounded disturbance
《Control Theory and Technology》2024年第3期468-478,共11页Zhiyuan Zhu Yuanlong Li Zongli Lin 
supported by the National Natural Science Foundation of China(Nos.62022055,62373249).
This paper is concerned with global practical stabilization of the double integrator system with an imperfect sensor and subject to an additive bounded output disturbance.The imperfect sensor nonlinearity possesses th...
关键词：Output saturation Disturbance rejection Output dead zone Low gain feedback-Linear output feedback Practical stabilization 
Fault-Tolerant Dynamical Consensus of Double-Integrator Multi-Agent Systems in the Presence of Asynchronous Self-Sensing Function Failures
《Journal of Shanghai Jiaotong university(Science)》2024年第4期613-624,共12页WU Zhihai XIE Linbo 
National Natural Science Foundation of China(No.61876073);Fundamental Research Funds for the Central Universities of China(No.JUSRP21920)。
Double-integrator multi-agent systems(MASs)might not achieve dynamical consensus,even if only partial agents suffer from self-sensing function failures(SSFFs).SSFFs might be asynchronous in real engineering applicatio...
关键词：double-integrator multi-agent systems asynchronous self-sensing function failures fault-tolerant dynamical consensus network topology connectivity recovery 
A LOW-REGULARITY FOURIER INTEGRATOR FOR THE DAVEY-STEWARTSON II SYSTEM WITH ALMOST MASS CONSERVATION
《Acta Mathematica Scientia》2024年第4期1536-1549,共14页Cui NING Chenxi HAO Yaohong WANG 
supported by the NSFC(11901120);supported by the NSFC(12171356);the Science and Technology Program of Guangzhou,China(2024A04J4027)。
In this work,we propose a low-regularity Fourier integrator with almost mass conservation to solve the Davey-StewartsonⅡsystem(hyperbolic-elliptic case).Arbitrary order mass convergence could be achieved by the suita...
关键词：Davey-StewartsonⅡsystem low-regularity exponential integrator first order accuracy mass conservation 
An Asynchronous Variational Integrator for Contact Problems Involving Elastoplastic Solids
《Acta Mechanica Solida Sinica》2024年第2期305-315,共11页Zongwu Niu Zixiao Wang Yongxing Shen 
support from the Hui-Chun Chin and Tsung-Dao Lee Chinese Undergraduate Research Endowment(CURE).
Simulations of contact problems involving at least one plastic solid may be costly due to their strong nonlinearity and requirements of stability.In this work,we develop an explicit asynchronous variational integrator...
关键词：Asynchronous variational integrator PLASTICITY Contact Computational efficiency Finite element method 
An Eighth Order A-Stable Rational Integrator
《Journal of Applied Mathematics and Physics》2024年第3期930-943,共14页Khalumele Ann Aliu Sunday Ifeanyi Odiachi 
In this work we derived and analyzed the stability structure of an order eight rational integrator wherein our numerator and denominator is 4 (i.e. m = n = 4) for the solution of problems in ordinary differential equa...
关键词：CONSISTENCY Gaussian Elimination Simultaneous Linear Algebra STABILITY 
PpARF6 acts as an integrator of auxin and ethylene signaling to promote fruit ripening in peach被引量：4
《Horticulture Research》2023年第9期151-164,共14页Xiaomei Chen Yudi Liu Xian Zhang Beibei Zheng Yuepeng Han Ruo-Xi Zhang 
supported by grants from the Strategic Priority Research Program of the Chinese Academy of Sciences(Precision Seed Design and Breeding,XDA24030404);the National Natural Science Foundation of China(32102363 and 32272687);the China Agriculture Research System(CARS-30);Hubei Hongshan Laboratory(2021hszd017).
Although auxin is known to induce ethylene biosynthesis in some Rosaceae fruit crops,the mechanisms underlying the auxin–ethylene interaction during fruit ripening remain largely unknown.Here,the regulatory role of a...
关键词：INTERACTION integrating thereby 
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