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Qinsheng Yun, Xiangjun Wang, Shenghan Wang, Wei Zhuang and Wanlu Zhu
This paper investigates the small-signal stability of a DC shipboard power system (SPS) with the integration of a supercapacitor. As an efficient energy storage solution, supercapacitors can not only provide rapid energy response to sudden power demand s...
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Guofang Nan, Sirui Yang and Dengliang Yu
When the dual rotor system of the aircraft engine is operating, the mass eccentricity of the power turbine rotor and the misalignment of the shaft coupling or the bearing will cause too large vibration of the rotor; this vibration leads to the rub-impact...
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Yun-Sheng Tsai, Chi-Wen Chen, Cheng-Chien Kuo and Hung-Cheng Chen
In recent years, the escalating electricity demand in Taiwan has heightened the prominence and discourse surrounding the issue of power supply. With the enactment of the European climate law, global commitment to achieving net-zero emissions has gained m...
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Xin Peng, Shaoheng Chun, Benyu Su, Rujun Chen, Shenglan Hou, Chao Xu and Haojie Zhang
Research on the electrical properties of rocks and ores plays a crucial role in the development of geophysical electromagnetism methods. However, currently available instruments suffer from high power consumption, a limited number of electrodes, inaccura...
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Xuguo Jiao, Guozhong Wang, Xin Wang, Zhenyong Zhang, Yanbing Tian and Xiwen Fan
Due to physical limitations and safety requirements, the rate and amplitude of change in wind turbines? pitch angle are limited, which will bring integral saturation problems to the control system. This leads to the deterioration of the pitch control sys...
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Jordi Renau Martínez, Víctor García Peñas, Manuel Ibáñez Arnal, Alberto Giménez Sancho, Eduardo López González, Adelaida García Magariño, Félix Terroba Ramírez, Francisco Javier Moreno Ayerbe and Fernando Sánchez López
This article presents the design and manufacturing of a hydrogen-powered unmanned aquatic surface vehicle (USV) hull. The design process comprised three stages: (1) defining the requirements for a preliminary geometry, (2) verifying the hydrodynamic hull...
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Weiqiang Liao, Xin Dong, Rongfeng Yang and Zhongfei Qiao
In response to the constant power negative impedance characteristics on the load side of a ship DC microgrid, leading to voltage oscillation issues in the DC bus, this paper proposes a control optimization method based on impedance reshaping using bus vo...
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Christian Bipongo Ndeke, Marco Adonis and Ali Almaktoof
This paper presents an energy management strategy using a Stateflow controller related to DC microgrids with the important penetration of renewable energy. The increase in world electricity demand is one of the principal drivers of the exhaustion of foss...
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Hui Jiang, Guoyan Xu, Wen Zeng, Feng Gao and Xiaohu Tang
Lateral overturns are the most frequent fatal accidents involving tractors. A tractor being able to travel safely on uneven or sloped terrain is still an open field of investigation. The design concept of a four-wheel-drive tractor that can traverse hill...
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Ho-Jun Yoo, Hyoseob Kim, Tae-Soon Kang, Ki-Hyun Kim, Ki-Young Bang, Jong-Beom Kim and Moon-Sang Park
Coastal erosion is caused by various factors, such as harbor development along coastal areas and climate change. Erosion has been accelerated recently due to sea level rises, increased occurrence of swells, and higher-power storm waves. Proper understand...
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