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Non-equidistant GM(1,1) power model and its application in engineering

Wang Zhengxin,Dang Yaoguo,Liu Sifeng

Strategic Study of CAE 2012, Volume 14, Issue 7, Pages 98-102

Abstract: ) power model was proposed.The results showed that the form of non equidistant GM(1,1) power model was more flexible than the traditionalBoth non equidistant GM(1,1) model and Grey Verhulst model were the special cases of non equidistantGM(1,1) power model.) power model.

Keywords： grey system non-equidistant sequence GM(1 1) power model parameter optimization

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A novel method for extending the output power back-off range of an asymmetrical Doherty power amplifier Research Article

Mingyu LI, Xiaobing CHENG, Zhijiang DAI, Kang ZHONG, Tianfu CAI, Chaoyi HUANG

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 3, Pages 470-479 doi: 10.1631/FITEE.2200250

Abstract: stage away from infinity and changing the phase delay of the output matching network of the carrier power

Keywords： Doherty power amplifier (DPA) Output power back-off (OPBO) Output impedance Network phase

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Investigation on the integral output power model of a large-scale wind farm

BAO Nengsheng, MA Xiuqian, NI Weidou

Frontiers in Energy 2007, Volume 1, Issue 1, Pages 67-78 doi: 10.1007/s11708-007-0006-x

Abstract: The integral output power model of a large-scale wind farm is needed when estimating the wind farm sThe actual wind speed power model and calculation method of a wind farm made up of many wind turbineconsidering the multi-effects among the wind turbine units and certain assumptions, the incoming wind flow modelThe calculation algorithms and steps of the integral output power model of a large-scale wind farm areFinally, an actual power output of the wind farm is calculated and analyzed by using the practical measurement

Keywords： power model actual energy large-scale practical measurement

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Novel power capture optimization based sensorless maximum power point tracking strategy and internalmodel controller for wind turbines systems driven SCIG

Ali EL YAAKOUBI,Kamal ATTARI,Adel ASSELMAN,Abdelouahed DJEBLI

Frontiers in Energy 2019, Volume 13, Issue 4, Pages 742-756 doi: 10.1007/s11708-017-0462-x

Abstract: The optimization strategy of the harvested power from the wind is realized by a maximum power point trackingbased on fuzzy logic, and the control strategy of the generator is implemented by means of an internal modelBased on the simulation results of a six KW-WECS model in Matlab/Simulink, the presented control system

Keywords： power optimization wind energy conversion system maximum power point tracking (MPPT) fuzzy logic internalmodel (IM) controller

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Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybridpower system

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Frontiers in Energy 2015, Volume 9, Issue 4, Pages 472-485 doi: 10.1007/s11708-015-0373-7

Abstract: It is well recognized that the voltage stability of a power system is affected by the load model andhence, to effectively analyze the reactive power compensation of an isolated hybrid wind-diesel basedpower system, the loads need to be considered along with the generators in a transient analysis.This aggregate model is used as a dynamic load model.of an isolated hybrid power system, the transfer function of the composite load is required.

Keywords： isolated hybrid power system (IHPS) composite load model static load dynamic load induction motor loadmodel aggregate load

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Regional wind power forecasting model with NWP grid data optimized

Zhao WANG, Weisheng WANG, Bo WANG

Frontiers in Energy 2017, Volume 11, Issue 2, Pages 175-183 doi: 10.1007/s11708-017-0471-9

Abstract: To take full advantage of the environmental benefits of wind energy, wind power forecasting has to bePower forecasting for regional wind farm groups is the problem that many power system operators carelocally weighted learning method is also proposed to utilize the processed feature set to produce the powerThe proposed model is simple and easy to use with parameters optimized automatically.

Keywords： regional wind power forecasting feature set minimal-redundancy-maximal-relevance (mRMR) principal componentanalysis (PCA) locally weighted learning model

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The Optimization of Grey Model GM (1,1)

Luo Dang,Liu Sifeng,Dang Yaoguo

Strategic Study of CAE 2003, Volume 5, Issue 8, Pages 50-53

Abstract:

This paper analyzes the reason that grey model GM (1,1) often makes errors in simulated data.By contrasting the optimum one to the GM (1,1) about the simulation, it can be concluded that the structuremethod of background value in grey model GM (1,1) has an important influence on the prediction and adaptabilityof the model.The optimum background value makes grey model GM (1,1) have better fitting and forecasting precision.

Keywords： grey model GM (1 1) winterization equation background value

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A reliability growth model for 300?MW pumped-storage power units

Jinyuan SHI , Yu YANG , Zhicheng DENG ,

Frontiers in Energy 2009, Volume 3, Issue 3, Pages 337-340 doi: 10.1007/s11708-009-0032-y

Abstract: A reliability growth model for pumped-storage power units is presented.Ways for estimating and fitting on checking the model’s parameters are given together with analysisresults concerning the reliability growth of 300MW pumped-storage power units.On site operation, reliability data show that the reliability growth model conforms to rules of reliabilitycompanies are effective and that the reliability of the 300MW pumped-storage power units exhibits

Keywords： pump-storage power unit availability reliability growth reliability prediction

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A comprehensive review of wind power based power system frequency regulation

Frontiers in Energy 2023, Volume 17, Issue 5, Pages 611-634 doi: 10.1007/s11708-023-0876-6

Abstract: Wind power (WP) is considered as one of the main renewable energy sources (RESs) for future low-carbonand high-cost-efficient power system.However, its low inertia characteristic may threaten the system frequency stability of the power systemIn this paper, the impact of WP on power system frequency stability is initially presented.Furthermore, the prospects, future challenges, and solutions of WP participating in power system frequency

Keywords： frequency regulation strategies wind turbine generators grid-forming control model predictive control

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Berberine alleviates myocardial diastolic dysfunction by modulating Drp1-mediated mitochondrial fissionand Ca homeostasis in a murine model of HFpEF

Frontiers of Medicine doi: 10.1007/s11684-023-0983-0

Abstract: Berberine alleviates myocardial diastolic dysfunction by modulating Drp1-mediated mitochondrial fissionand Ca homeostasis in a murine model of HFpEF

Keywords： mitochondrial fission Ca Berberine alleviates myocardial murine model HFpEF

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Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Frontiers in Energy 2021, Volume 15, Issue 2, Pages 529-538 doi: 10.1007/s11708-019-0624-0

Abstract: availability growth models for large scale complicated repairable system such as electric generating units, powergeneral availability growth models, ways for estimating, and fitting on checking the parameters of the modelAvailability growth models for electric generating units, power station auxiliaries, and transmissionunits and 1000 MW thermal power units, 200–1000 MW power station auxiliaries, and 220–500 kV transmissionstation auxiliaries, transmission and distribution installations conform to the power function, and

Keywords： repairable system power equipment electric generating unit power station auxiliary transmission and distributioninstallation reliability availability availability growth model

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Analysis of GM（1，1）Model and Its Application in Fire Risk Prediction

Chen Zijin,Wang Fuliang,Lu Shouxiang

Strategic Study of CAE 2007, Volume 9, Issue 5, Pages 91-94

Abstract:

Theoretical analysis of grey prediction model GM(1, 1) is present inMonotonicity of predicted value and its variation tendency predicted by GM(1, 1)model is proved.the monotonicity of predicted value and its variation tendency, applicability criterion of GM(1,1) is brought forward.

Keywords： fire forecast GM(1 1) rate of the fire injured

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Study on Improvement of Token and Arithmetic of Interval Grey Numbers and Its GM(1,1) Model

Fang Zhigeng,Liu Sifeng,Lu Fang,Wan Jun,Liu Bin

Strategic Study of CAE 2005, Volume 7, Issue 2, Pages 57-61

Abstract: Last, the paper established the GM (1,1) model based on the interval grey number and got a good effect

Keywords： interval grey number standard interval grey number token GM(1 1) model computation rules

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Carbon performance evaluation model from the perspective of circular economy—The case of Chinese thermalpower enterprise

Zhifang ZHOU, Jinhao LIU, Huixiang ZENG, Mengmeng XU, Shihui LI

Frontiers of Engineering Management 2022, Volume 9, Issue 2, Pages 297-311 doi: 10.1007/s42524-020-0143-z

Abstract: This paper expands the application boundary of matter–element model and supplements the literature of

Keywords： circular economy carbon performance comprehensive evaluation thermal power enterprise

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Gene and protein expression of proteinase-activated receptor-1, 2 in a murine model of acute graft host

Quan LI MD , Weiming LI MD , Ping ZOU MD , Jian ZHANG BM ,

Frontiers of Medicine 2009, Volume 3, Issue 3, Pages 309-315 doi: 10.1007/s11684-009-0043-4

Abstract: PAR-1 and PAR-2 are widely expressed in a variety of cells and are found to be involved in many physiologicalHowever, little is known about the function of PAR-1, 2 in acute graft host disease (GVHD).In the present study, we first detected the expression of PAR-1, 2 protein and mRNA in a murine modelPAR-1, 2 protein expression was in accordance with the mRNA expression, as shown by Western blot.PAR-1 and PAR-2 may play an important role in the pathogenesis of acute GVHD.

Keywords： graft vs host disease proteinase-activated receptor murine model hematopoietic stem cell transplantation

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Title Author Date Type Operation

Non-equidistant GM(1,1) power model and its application in engineering

Wang Zhengxin,Dang Yaoguo,Liu Sifeng

Journal Article

A novel method for extending the output power back-off range of an asymmetrical Doherty power amplifier

Mingyu LI, Xiaobing CHENG, Zhijiang DAI, Kang ZHONG, Tianfu CAI, Chaoyi HUANG

Journal Article

Investigation on the integral output power model of a large-scale wind farm

BAO Nengsheng, MA Xiuqian, NI Weidou

Journal Article

Novel power capture optimization based sensorless maximum power point tracking strategy and internalmodel controller for wind turbines systems driven SCIG

Ali EL YAAKOUBI,Kamal ATTARI,Adel ASSELMAN,Abdelouahed DJEBLI

Journal Article

Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybridpower system

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Journal Article

Regional wind power forecasting model with NWP grid data optimized

Zhao WANG, Weisheng WANG, Bo WANG

Journal Article

The Optimization of Grey Model GM (1,1)

Luo Dang,Liu Sifeng,Dang Yaoguo

Journal Article

A reliability growth model for 300?MW pumped-storage power units