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Channel impulse response 1

Cognitive radio network 1

Fast frequency control 1

Inertia emulation 1

Levenberg-Marquardt 1

Low-inertia systems 1

Primary user emulation attack 1

Subspace-based blind channel estimation 1

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accurate model 1

cracking moment 1

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dynamic mesh technique 1

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effective moment of inertia 1

expanded polystyrene 1

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hydrostatic guidway 1

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Addressing Frequency Control Challenges in Future Low-Inertia Power Systems: A Great Britain Perspective Perspective

Qiteng Hong, Md Asif Uddin Khan, Callum Henderson, Agustí Egea-Àlvarez, Dimitrios Tzelepis, Campbell Booth

Engineering 2021, Volume 7, Issue 8,   Pages 1057-1063 doi: 10.1016/j.eng.2021.06.005

Abstract: integration of renewable generation in power systems, resulting in a significant decrease in the system inertiaIn addition to the reduction in system inertia, the transmission system in Great Britain (GB) faces someThis paper presents opinions and insights on the challenges associated with frequency control in a low-inertiaemulation, and fast frequency response.along with the opinions on their roles in addressing the frequency control challenges in future low-inertia

Keywords： Fast frequency control     Inertia emulation     Synchronous compensation     Low-inertia systems    

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Dynamic modeling of hydrostatic guideway considering compressibility and inertia effect

Yikang DU,Kuanmin MAO,Yaming ZHU,Fengyun WANG,Xiaobo MAO,Bin LI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 78-88 doi: 10.1007/s11465-015-0331-4

Abstract: This paper presents a “mass-spring-Maxwell” model considering the effects of inertia, squeeze

Keywords： hydrostatic guidway     dynamic model     dynamic mesh technique     Levenberg-Marquardt     mass-spring-damper model    

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Reduced torque ripple for rotational load with high inertia of HY-2A satellite

Zhou Yong,Li Zhengjun,Ma Chao and Wang Xiaoning

Strategic Study of CAE 2014, Volume 16, Issue 3,   Pages 43-49

Abstract:

Taking into account attitude stability，microwave scattermeter and microwave radiometer while rotating need to reduce torque ripple. Permanent-magnet motors using vector control technique are used to drive directly both sensors. Restraining cogging torque of motor， eliminating quantization error with fix angle timing，compensating dead time，these are presented. The control system and motor has been simulated by accurate model，results show that the torque ripple is reduced. The orbital attitude speed results are presented to validate this scheme.

Keywords： high inertia     torque ripple     quantization error     dead time     accurate model    

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On detecting primary user emulation attack using channel impulse response in the cognitive radio network Article

Qiao-mu JIANG, Hui-fang CHEN, Lei XIE, Kuang WANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 10,   Pages 1665-1676 doi: 10.1631/FITEE.1700203

Abstract: However, a serious denial-of-service (DoS) attack, named the ‘primary user emulation attack (PUEA)’,

Keywords： Cognitive radio network     Primary user emulation attack     Subspace-based blind channel estimation     Channel    

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Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 412-423 doi: 10.1007/s11709-017-0416-8

Abstract: Construction loading before the age of 28 d can have the most significant effects on the slabs, especially for multi-story structures. The changing properties of the young concrete complicate the prediction of serviceability design requirements also. An experimental investigation is performed on four simply supported Light-Weight Concrete (LWC) one-way slabs subjected to immediate loading at 14 d. Effects of aggregate type, loading levels and cracking moment together with the influences of ultimate moment capacity and service moment on the instantaneous deflection of slabs are studied. Comparison of the obtained results with predictions of existing models in the literature shows considerable differences between the recorded and estimated instantaneous deflection of LWC slabs. Based on sensitivity analysis of the effective parameters, a new equation is proposed and verified to predict the instantaneous deflection of LWC slabs subjected to loading at the age of 14 d.

Keywords： instantaneous deflection     light-weight concrete     expanded polystyrene     effective moment of inertia     cracking    

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Study on modeling and emulation of VENSIMfor ordering system in steel enterprises

Zou Anquan,Yu Qi,Qin Zhongchi,Yang Fang,Dai Enyong

Strategic Study of CAE 2009, Volume 11, Issue 2,   Pages 60-64

Abstract:

Ordering models are essential for most corporations , which are used to arrange the industrial production by the marketing situation . In the most supply chain enterprises , production is organized according to its sale , the ordering model of enterprises is especially important . In the case of retail ordering in steel enterprises , system dynamics is used to analyze the model of retail ordering system , and simulation analysis is aimed at its realism , then the retail ordering tactic in steel enterprises is proposed .

Keywords： ordering model     modeling and simulation     steel enterprise    

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Spatial fading channel emulation for over-the-air testing of millimeter-wave radios: concepts and experimental

Wei Fan, Lassi Hentilä, Pekka Kyösti,wfa@es.aau.dk

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 4,   Pages 548-559 doi: 10.1631/FITEE.2000484

Abstract: Millimeter-wave (mmWave) communication is regarded as the key enabling component for fifth-generation (5G) cellular systems due to the large available spectrum bandwidth. To make mmWave new radio (NR) a reality, tremendous efforts have been exerted from the industry and academia. Performance evaluation of mmWave NR is a mandatory step and the key to ensuring the success of mmWave 5G deployment. Over-the-air (OTA) radiated method of testing mmWave NR in laboratory conditions is highly attractive, since it facilitates virtual field testing of mmWave devices in realistic propagation conditions. In this paper, we first discuss the need for and challenges in OTA measurement of mmWave 5G NR under fading channel conditions. After that, two promising candidate solutions, i.e., wireless cable and multi-probe anechoic chamber (MPAC), are detailed. Their principles, applicability for mmWave NR, and main challenges are discussed. Furthermore, preliminary experimental validation results in a frequency range 2 anechoic chamber are demonstrated for the wireless cable and MPAC methods at 28 GHz.

Keywords： 空间信道模型；空口测试；无线线缆；多探头电波暗室；FR2验证    

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Title Author Date Type Operation

Addressing Frequency Control Challenges in Future Low-Inertia Power Systems: A Great Britain Perspective

Qiteng Hong, Md Asif Uddin Khan, Callum Henderson, Agustí Egea-Àlvarez, Dimitrios Tzelepis, Campbell Booth

Journal Article

Dynamic modeling of hydrostatic guideway considering compressibility and inertia effect

Yikang DU,Kuanmin MAO,Yaming ZHU,Fengyun WANG,Xiaobo MAO,Bin LI

Journal Article

Reduced torque ripple for rotational load with high inertia of HY-2A satellite

Zhou Yong,Li Zhengjun,Ma Chao and Wang Xiaoning

Journal Article

On detecting primary user emulation attack using channel impulse response in the cognitive radio network

Qiao-mu JIANG, Hui-fang CHEN, Lei XIE, Kuang WANG

Journal Article

Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Journal Article

Study on modeling and emulation of VENSIMfor ordering system in steel enterprises

Zou Anquan,Yu Qi,Qin Zhongchi,Yang Fang,Dai Enyong

Journal Article

Spatial fading channel emulation for over-the-air testing of millimeter-wave radios: concepts and experimental

Wei Fan, Lassi Hentilä, Pekka Kyösti,wfa@es.aau.dk

Journal Article