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Xinyu Ai, Yuguang Bai, Wei Qian, Yuhai Li and Xiangyan Chen
In this study, an experimental investigation is performed on a scaled, all-movable horizontal tail to study the aeroelastic behaviors induced by multiple free-plays. The dynamic response in wind tunnel tests is measured by strain gauges, an accelerometer...
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Qiang He, Chao Fan, Guang Yang, Huiqi Li, Jiadong Li and Xiaogang Chen
With the wide application of power electronic devices and nonlinear loads, the resulting inter-harmonic pollution is becoming more and more serious in the power system. As important equipment in power systems, transformers have always been the focus of r...
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Ilias K. Tragazikis, Alexia N. Koutrakou, Theodoti Z. Kordatou, Panagiota T. Dalla and Theodore E. Matikas
A challenge in the field of material science and concrete technology is to associate material properties and behavior with changes in internal microstructure. A fundamental issue for planning, implementation, and quality control of construction projects ...
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Kewu Li, Shuang Wang, Xie Han and Zhibin Wang
A novel method for determining the electro-optic (EO) coefficient γ22" role="presentation">??22?22
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of lithium niobate and its dispersion using photoelastic modulation is presented. A spectroscopic polarimetry was constructed with the phot...
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Hyeonmin Jeon, Jongsu Kim and Kyoungkuk Yoon
In the case of the electric propulsion system on the vessel, Diode Front End (DFE) rectifiers have been applied for large-sized ships and Active Front End (AFE) rectifiers have been utilized for small and medium-sized ships as a part of the system. In th...
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Olha Baranova,Mykola Vasylenko,Konstantin Shevchenko,Yuriy Tsapko,Oliinyk Rostislav,Andrii Yeroshenko
Pág. 48 - 56
It has been determined that the most expedient and economically beneficial flaw detection method for plywood is the impact method. Samples of plywood with and without a defect were used for the research. Among the acoustic techniques, the most accurate i...
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Galina Antonovskaya, Natalia Kapustian, Irina Basakina, Nikita Afonin and Konstantin Moshkunov
In this article, we suggest a new type of seismic source for surveying both structure state and foundation soil conditions regardless of the level of seismic noise. In our opinion, powerful industrial equipment can be treated as seismic sources. We descr...
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Ram M. Narayanan, Kyle A. Gallagher, Gregory J. Mazzaro, Anthony F. Martone and Kelly D. Sherbondy
Radio frequency (RF) circuit elements that are traditionally considered to be linear frequently exhibit nonlinear properties that affect the intended operation of many other RF systems. Devices such as RF connectors, antennas, attenuators, resistors, and...
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Stephan Haefner,Reiner Thomä
Pág. 27 - 34
Estimating the parameters of a geometric propagation model from MIMO channel sounding measurements will be considered, which requires the solution of an inverse problem. Thus, a model of the measured data is derived, which incorporates a model of the mea...
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Jiang Li, Wenzhen Wei, Shuo Zhang, Guoqing Li and Chenghong Gu
Micro phasor measurement units (μPMU) installed in active distribution networks are very useful for improving observability by acquiring system real-time data. However, three-phase imbalance and harmonic power flows adversely impact the accuracy of sy...
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