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...
supported in part by the National Natural Science Foundation of China(51707161).
With high-frequency,low power dissipation and high-efficiency characteristics,Gallium nitride(GaN)power devices are of significant benefit in designing high-speed motor drives,as they improve performance and reduce we...
the National Natural Science Foundation of China(NSFC Grant Nos.42104150,42074187,41774162,and 41704155);the Foundation of the National Key Laboratory of the Electromagnetic Environment(Grant No.6142403200303);the Chinese Academy of Sciences,Key Laboratory of Geospace Environment,University of Science&Technology of China(Grant No.GE2020-01);the Fundamental Research Funds for the Central Universities(Grant No.2042021kf0020);the Excellent Youth Foundation of Hubei Provincial Natural Science Foundation(Grant No.2019CFA054).
High-power O-mode radio waves can excite artificial instabilities in the F region,according to experiments conducted at the European Incoherent Scatter Science Association(EISCAT)heating facility.The main instabilitie...
At the XiX International Botanical Congress held in Shenzhen,China,in July 2o17,the delegates unanimously adopted the Shenzhen Declaration on Plant Sciences in an effort to accelerate the contributions made by plant s...
supported by the National Natural Science Foundation of China(No.52005037).
To improve the dynamic performance of conventional deadbeat predictive current control(DPCC)under parameter mismatch,especially eliminate the current overshoot and oscillation during torque mutation,it is necessary to...
financially supported by the National Natural Science Foundation of China(Nos.U1908221,51873190 and 51790503);the Fundamental Research Funds for the Central Universities(No.2020XZZX002-08)。
Payne effect and its associated weak overshoot are of importance for understanding and regulating the softening of rubber nanocomposites under large amplitude oscillations.Herein,Payne effect in diverse filled vulcani...
Project supported by the National Natural Science Foundation of China(Grant Nos.11675039,11875101,11935005,and 12075049);the Fundamental Research Funds for the Central Universities of China(Grant Nos.DUT18TD06 and DUT20LAB201)。
Pulse inductively coupled plasma has been widely used in the microelectronics industry,but the existence of overshoot phenomenon may affect the uniformity of plasma and generate high-energy ions,which could damage the...
EISCAT is an international scientific association supported by research organizations in China(China Research Institute of Radiowave Propagation(CRIRP)),Finland(Suomen Akatemia(SA)),Japan(National Institute of Polar Research(NIPR)and Solar-Terrestrial Environment Laboratory(STEL)),Norway(The Research Council of Norway(NFR)),Sweden(Swedish Research Council(VR)),and the United Kingdom(Natural Environment Research Council(NERC)).This work was supported by the National Natural Science Foundation of China(NSFC,grants 41204111,41574146,41774162,and 41704155);the China Postdoctoral Science Foundation(grant 2017M622504).The experiment described in this work was carried out by the Russian team led by N.F.Blagoveshchenskaya.The data used in this research are available through the EISCAT Madrigal database(http://www.eiscat.se/madrigal/)and EISCAT Dynasonde database(https://dynserv.eiscat.uit.no/).
In this study,we present three experiments carried out at the EISCAT(European Incoherent Scatter Scientific Association)heating facility on October 29 and 30,2015.The results from the first experiment showed overshoot...
A 30 MHz voltage-mode controlled buck converter with fast transient responses is presented.An improved differential difference amplifier(DDA)-based Type-III compensator is proposed to reduce the settling times of the ...
Background: A large percentage of deaths in an epidemic or pandemic can be due to overshoot of population (herd) immunity, either from the initial peak or from planned or unplanned exit from lockdown ...