RAPIDITY

作品数：32被引量：6H指数：1
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相关机构：山东大学更多>>
相关期刊：《Communications in Theoretical Physics》《Chinese Physics Letters》《CES Transactions on Electrical Machines and Systems》《Chinese Journal of Mechanical Engineering》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划山东省自然科学基金北京市自然科学基金更多>>
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An Improved Feedforward Control Strategy to Promote the Rapidity of PMSM Servo System and Reduce Overshoot Oscillation
《CES Transactions on Electrical Machines and Systems》2025年第1期100-109,共10页Wentao Zhang Yan Zhang Yongxiang Xu Jibin Zou 
supported in part by the National Natural Science Foundation of China under Project No.52207043。
Under the condition of large inertia load,the stability of the servo system is more sensitive to the response speed and more likely to produce overshoot oscillations.In order to realize the requirements of high-precis...
关键词：Feedforward control Overshoot impulse Permanent magnet synchronous motor PD iterative control 
Review of the development of power system out-of-step splitting control and some thoughts on the impact of large-scale access of renewable energy
《Energy and AI》2024年第2期497-511,共15页Shuai Zhang 
supported by the National Natural Science Foundation of China(Grant No.62273207,61821004,62350083,62192755);the Future Young Scholars Program of Shandong University,China.
Out-of-step oscillation is a very destructive physical phenomenon in power system, which could directly cause big blackout accompanied by serious sociology-economic impacts. Out-of-step splitting control is an indispe...
关键词：Out-of-step oscillation Out-of-step splitting control Wide-area measurement information Contradiction between rapidity and optimality Large-scale renewable energy access 
Effect of Dynamic Pressure Feedback Orifice on Stability of Cartridge-Type Hydraulic Pilot-Operated Relief Valve
《Chinese Journal of Mechanical Engineering》2023年第4期227-241,共15页Yaobao Yin Dong Wang Junyong Fu Hong-chao Jian 
Supported by National Natural Science Foundation of China(Grant No.52175059);National Key Research and Development Program of China(Grant No.2018YFB2001100).
Current research on pilot-operated relief valve stability is primarily conducted from the perspective of system dynamics or stability criteria,and most of the existing conclusions focus on the spool shape,damping hole...
关键词：Pilot-operated relief valve Dynamic pressure feedback orifice STABILITY RAPIDITY IMMUNITY 
Interaction of <sup>28</sup>Si with Emulsion Nuclei at 4.5 AGeV/c in View of Thermo-Statistical Approach
《Journal of Applied Mathematics and Physics》2023年第3期629-638,共10页Mohamed Tawfik Ghoneim Zeinab Abdel-Halim Mohamed Tarek Hussein 
In this work, we study some changes of nuclear matter in the interactions of 28Si with emulsion nuclei at 4.5 AGeV/c. From the experimental quantities investigated using Tsallis’ statistics, we deduced the...
关键词：Silicon Nuclear Emulsion RAPIDITY Heavy Ions Collision 
SAR performance-based fault diagnosis for electrohydraulic control system:A novel FDI framework for closed-loop system被引量：1
《Chinese Journal of Aeronautics》2022年第10期381-392,共12页Yang ZHANG Shaoping WANG Jian SHI Xinyu YANG Jiarui ZHANG Xi WANG 
co-supported by the National Science and Technology Major Project of China(Nos.2017-V-0011-0062,2017-V-0010-0060);National Natural Science Foundation of China(51875014);the Academic Excellence Foundation of BUAA for PhD Students。
Model-based fault diagnosis serves as an efficient and powerful technique in addressing fault detection and isolation(FDI)issues for control systems.However,the standard methods and their modifications still encounter...
关键词：Electro-hydraulic servo valve(EHSV) Fault diagnosis Fuel metering unit Performance degradation Performance residual Stability accuracy and rapidity(SAR) 
Entropy per Rapidity in Pb-Pb Central Collisions using Thermal and Artificial Neural Network(ANN)Models at LHC Energies被引量：1
《Chinese Physics C》2022年第7期27-40,共14页D.M.Habashy Mahmoud Y.El-Bakry Werner Scheinast Mahmoud Hanafy 
The entropy per rapidity dS/dy produced in central Pb-Pb ultra-relativistic nuclear collisions at LHC energies is calculated using experimentally identified particle spectra and source radii estimated from Hanbury Bro...
关键词：HRG TSALLIS ANN RPropp 
Modular zonal fluid sampling and pressure testing technology for production well
《Petroleum Exploration and Development》2022年第2期438-447,共10页XU Jianguo YANG Qinghai YI Peng HOU Ze JIA Weite FU Tao ZHANG Zonglin YUE Qingfeng 
Supported by the Project of Basic Science Center of National Natural Science Foundation of China (72088101);Major Project of CNPC (2021ZG12);National Key R&D Program/Key Project of Intergovernmental International Scientific and Technological Innovation Cooperation (2018YFE0196000);Major Scientific and Technological Project of PetroChina Jilin Oilfield Company (JY21A2-12)。
To accurately obtain development dynamic data such as zonal pressure and fluid parameters of each oil layer in the late development stage of a high water-cut old oilfield, a modular zonal sampling and testing technolo...
关键词：zonal sampling zonal testing MODULARIZATION full electronic control RAPIDITY enhanced oil recovery fluid sampling pressure testing 
Rapidity dependence of global polarization in heavy ion collisions被引量：2
《Chinese Physics C》2021年第1期226-238,共13页Zuo-Tang Liang Jun Song Isaac Upsal Qun Wang Zhangbu Xu 
ZTL and QW are supported in part by the National Natural Science Foundation of China(NSFC)(11890713,11535012);JS is sup ported in part by Shandong Province Natural Science Foundation(ZR2019YQ06)。
We use a geometric model for hadron polarization in heavy ion collisions with an emphasis on the rapidity dependence.The model is based on the model of Brodsky,Gunion,and Kuhn,as well as the Bjorken scaling model.We m...
关键词：POLARIZATION orbital angular momentum relativistic heavy-ion collisions 
Event patterns from negative pion spectra in proton-proton and nucleus-nucleus collisions at SPS
《Chinese Physics C》2018年第10期103-118,共16页Ya-Hui Chen Fu-Hu Liu Edward K.Sarkisyan-Grinbaum 
Supported by National Natural Science Foundation of China(11575103,11747319);the Shanxi Provincial Natural Science Foundation(201701D121005);the Fund for Shanxi "1331 Project" Key Subjects Construction
Rapidity-dependent transverse momentum spectra of negatively charged pions measured at different rapidities in proton-proton collisions at the Super Proton Synchrotron （SPS） at various energies within its Beam Energ...
关键词：rapidity-dependent transverse momentum spectra fine event patterns three-dimensional space 
Reconciling charmonium production and polarization data in the midrapidity region at hadron colliders within the nonrelativistic QCD framework
《Chinese Physics C》2018年第4期109-116,共8页Zhan Sun Hong-Fei Zhang 
Supported by National Natural Science Foundation of China(11405268,11647113,11705034)
A thorough study reveals that the only key parameter for ψ （J/ψ, ψ＇） polarization at hadron colliders is the ratio 〈Oψ（3S1[8]）〉/〈Oψ（3P0[8]）〉 angle, if the velocity scaling rule holds. A slight variatio...
关键词：J/ψ polarization nonrelativistic QCD long-distance matrix elements 
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