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A comprehensive review of wind power based power system frequency regulation
《能源前沿(英文)》 2023年 第17卷 第5期 页码 611-634 doi: 10.1007/s11708-023-0876-6
关键词: frequency regulation strategies wind turbine generators grid-forming control model predictive control energy storage system
Yajvender Pal VERMA, Ashwani KUMAR
《能源前沿(英文)》 2013年 第7卷 第2期 页码 245-254 doi: 10.1007/s11708-012-0218-6
关键词: frequency regulation fuzzy controller de-regulated power system doubly fed induction generator (DFIG) bilateral contract
Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG
《能源前沿(英文)》 2014年 第8卷 第3期 页码 386-393 doi: 10.1007/s11708-014-0323-9
关键词: high voltage (HV) grid frequency stability parameter identification primary frequency regulation (PFR)
Design and analysis of a new high frequency double-servo direct drive rotary valve
Muzhi ZHU,Shengdun ZHAO,Jingxiang LI
《机械工程前沿(英文)》 2016年 第11卷 第4期 页码 344-350 doi: 10.1007/s11465-016-0406-x
Researchers have investigated direct drive valve for many years to solve problems, such as fluid force imbalance and switching frequency. The structure of the rotary valve has received considerable research interest because of its favorable dynamic properties and simple structure. This paper studied the high frequency double-servo direct drive rotary valve (DDRV), and proposed a novel structure and drive method satisfying high reversing frequency and adequate quantity of flow. Servo motors are integrated into the valve by the innovative structure, which is designed to equilibrate the unbalanced radial fluid force with the symmetric distributed oil ports. Aside from the fast reversing function of the valve, the DDRV presented high performance in linearity of the flow quantity and valve opening as a result of the fan-shaped flow ports. In addition, a computational fluid dynamics (CFD) method based on Fluent was conducted to verify the flux regulation effect of the height change of the adjustable boss.
关键词: direct drive rotary valve computational fluid dynamics (CFD) flow regulation
Moving policy and regulation forward for single-use plastic alternatives
《环境科学与工程前沿(英文)》 2021年 第15卷 第3期 doi: 10.1007/s11783-021-1423-5
关键词: Single-use plastic alternatives Policy Regulation Sustainable development
Phase transition regulation and caloric effect
《能源前沿(英文)》 2023年 第17卷 第4期 页码 463-477 doi: 10.1007/s11708-023-0860-1
关键词: phase transition regulation caloric effect solid state refrigeration
The function and regulation of OTU deubiquitinases
Jiansen Du, Lin Fu, Yingli Sui, Lingqiang Zhang
《医学前沿(英文)》 2020年 第14卷 第5期 页码 542-563 doi: 10.1007/s11684-019-0734-4
关键词: ubiquitin OTU deubiquitinases structure function regulation
《农业科学与工程前沿(英文)》 2021年 第8卷 第2期
Fruit ripening is a complex developmental process made up of genetically programmed physiological and biochemical activities. It culminates in desirable changes in the structural and textural properties and is governed by a complex regulatory network. Much is known about ethylene, one of the most important metabolites promoting the ripening of climacteric fruits. However, the dynamic interplay between phytohormones also plays an important part. Additional regulatory factors such as transcription factors (TFs) and epigenetic modifications also play vital role in the regulation of climacteric fruit ripening. Here, we review and evaluate the complex regulatory network comprising interactions between hormones and the action of TFs and epigenetic modifications during climacteric fruit ripening.
关键词: climacteric fruit ripening / phytohormones / TFs / epigenetic modifications
Molecular regulation and genetic improvement of seed oil content in
Wei HUA,Jing LIU,Hanzhong WANG
《农业科学与工程前沿(英文)》 2016年 第3卷 第3期 页码 186-194 doi: 10.15302/J-FASE-2016107
Regulation of exogenous bFGF gene mediated by recombinant adeno-associated virus
Ke SONG, Nianjing RAO, Meiling CHEN, Yingguang CAO
《医学前沿(英文)》 2009年 第3卷 第2期 页码 158-163 doi: 10.1007/s11684-009-0042-5
关键词: tetracycline regulatory system adeno-associated virus basic fibroblast growth factor gene regulation
Yinglin JI, Mingyang XU, Aide WANG
《农业科学与工程前沿(英文)》 页码 314-334 doi: 10.15302/J-FASE-2021386
关键词: climacteric fruit ripening phytohormones TFs epigenetic modifications
《工程管理前沿(英文)》 页码 452-461 doi: 10.1007/s42524-022-0209-1
关键词: CO2 emissions demand side regulation multi-regional input–output model linear programming model
Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine
Zhibin LIU, Haibo XIE, Huayong YANG
《机械工程前沿(英文)》 2011年 第6卷 第3期 页码 377-382 doi: 10.1007/s11465-011-0226-y
Hydraulic thrust system is an important system in a shield tunneling machine. Pressure regulation of thrust cylinders is the most important function for thrust system during tunnel excavation. In this paper, a hydraulic thrust system is explained, and a corresponding simulation model is carried out in order to study the system characteristics. Pressure regulation of a certain group’s cylinders has little influence on regulation of the other groups’ cylinders. The influence will not affect the process much during tunnel excavation. Pump displacement may have a greater effect on pressure regulation and oil supply flow rate should be adaptive to the system’s demand. A exacting situation is simulated to explain how pressure regulation works during tunnel excavation.
关键词: tunnel hydraulic thrust system pressure regulation simulation
《环境科学与工程前沿(英文)》 2022年 第16卷 第7期 doi: 10.1007/s11783-021-1495-2
• Quorum sensing enhancement and inhibition methods are summarized.
关键词: Quorum sensing Biological waste treatment Biofilm formation
A frequency error estimation for isogeometric analysis of Kirchhoff–Love cylindrical shells
《结构与土木工程前沿(英文)》 doi: 10.1007/s11709-023-0006-x
关键词: isogeometric analysis Kirchhoff–Love cylindrical shell free vibration frequency error convergence
标题 作者 时间 类型 操作
Load frequency control in deregulated power system with wind integrated system using fuzzy controller
Yajvender Pal VERMA, Ashwani KUMAR
期刊论文
Parameter identification of interconnected power system frequency after trip-out of high voltage transmission
Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG
期刊论文
Design and analysis of a new high frequency double-servo direct drive rotary valve
Muzhi ZHU,Shengdun ZHAO,Jingxiang LI
期刊论文
The function and regulation of OTU deubiquitinases
Jiansen Du, Lin Fu, Yingli Sui, Lingqiang Zhang
期刊论文
RECENT ADVANCES IN THE REGULATION OF CLIMACTERIC FRUIT RIPENING: HORMONE, TRANSCRIPTION FACTOR AND EPIGENETIC
期刊论文
Molecular regulation and genetic improvement of seed oil content in
Wei HUA,Jing LIU,Hanzhong WANG
期刊论文
Regulation of exogenous bFGF gene mediated by recombinant adeno-associated virus
Ke SONG, Nianjing RAO, Meiling CHEN, Yingguang CAO
期刊论文
RECENT ADVANCES IN THE REGULATION OF CLIMACTERIC FRUIT RIPENING: HORMONE, TRANSCRIPTION FACTOR AND EPIGENETIC
Yinglin JI, Mingyang XU, Aide WANG
期刊论文
Cutting CO emissions through demand side regulation: Implications from multi-regional input–output linear
期刊论文
Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine
Zhibin LIU, Haibo XIE, Huayong YANG
期刊论文
Quorum sensing regulation methods and their effects on biofilm in biological waste treatment systems:
期刊论文