Results 61 to 70 of about 891 (105)

谐波条件下500 kV联接变压器铁心应力及振动特性仿真分析

Gaoya dianqi, 2019
在交直流混合互联大电网运行方式下,发现柔性直流与交流系统间发生的谐振具有高频次、宽频域的新特性。为研究谐波注入对500 kV联接变压器铁心振动的影响,通过建立联接变压器绕组、铁心电磁—结构力场有限元模型,考虑铁心磁致伸缩及洛伦兹力的作用,仿真计算得到变压器铁心磁通密度、应力分布、振动位移和加速度。对比分析基波及含谐波激励工况下的仿真结果表明,谐波注入前后铁心磁通分布无明显变化;谐波注入后,铁心上应力分布出现明显变化,且最大应力增加两个数量级;基波激励下最大振动频率为100 Hz ...
黄之明, 王乔, 张逸凡, 景一, 傅明利, 卓然, 罗颜, 高峰, 宁文军   +8 more
doaj  

[Design of a dynamic measurement system for Bl factor spatial distribution of resonant blood viscoelastic sensor]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2023
Qian J, Sun H, Wang B.
europepmc   +1 more source

[Spherical measurement-based analysis of gradient nonlinearity in magnetic resonance imaging]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Yang X, Wang Z, Wang Q, Zhang Y, Song Z, Zhang Y, Qi Y, Ma X.   +7 more
europepmc   +1 more source

[A multi-source information fusion-based method for the local pulse wave velocity estimation in carotid artery]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Chen Z, Deng L, Zhang Y, Xia D, Song W, Lu Y, Wang X, An Y.   +7 more
europepmc   +1 more source

[Study on the separation method of lung ventilation and lung perfusion signals in electrical impedance tomography based on rime algorithm optimized variational mode decomposition]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Gao G, Li K, Li J, Zhu M, Wang Y, Yan X, Shi X.   +6 more
europepmc   +1 more source

[Quantitative analysis of the effect of contact pressure on the reflection characteristics of radial pressure wave]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2022
Tan J, Xu L, Sun H, Xu B, Li Y, Yao Y.
europepmc   +1 more source

[Multi-modal tumor boundary clustering recognition based on artificial intelligence virtual cells and near-infrared surgical field]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Li W, Wang T, Yang X, Zhou F.
europepmc   +1 more source

[Research on phase modulation to enhance the feature of high-frequency steady-state asymmetric visual evoked potentials]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2023
Zhao W, Xu L, Xiao X, Yi W, Chen Y, Wang K, Xu M, Ming D.   +7 more
europepmc   +1 more source

[Brain-controlled unmanned aerial vehicle system based on meta brain computer interface open-source software platform]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Li A, Mei J, Chen W, Tao L, Xu M, Ming D.   +5 more
europepmc   +1 more source

[Development of a high intensity focused ultrasound device for bio-samples preparation]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Lei Z, Pang X, Li L, Mei Q, Dong W.
europepmc   +1 more source