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Updated: Jul 7, 2026

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
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在可变的工作条件下,基于多级条件对抗网络的旋转机械故障诊断的域适应方法

Zhendong Hei1, Haiyang Yang2, Weifang Sun3

  • 1College of Mechanical and Electrical Engineering, Jiaxing Nanhu University, Jiaxing, China; College of Mechanical and Electrical Engineering, Wenzhou University, Wenzhou, China.

ISA transactions
|September 5, 2024
PubMed
概括

旋转机械故障诊断的深度学习模型与域移位和有限的标记数据作斗争. 本研究介绍了多级条件对抗网络 (MCAN),以提高机械健康管理的可转移性和稳定性.

关键词:
注意力机制注意力机制交叉共变性 交叉共变性错误诊断是一个错误的诊断.功能分布的特点分布是什么多级域适应性的多级域适应性

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Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
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Sequence Networks of Rotating Machines

A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
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Multimachine Stability

Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by: