17 Result(s)
within
CongSi Wang
English
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Article
Open AccessCoupling Modeling for Functional Surface of Electronic Equipment
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Chapter and Conference Paper
Multidisciplinary Structural Optimization of Reflector Antenna Based on Mechanical-Electromagnetic-Wind-Field Coupling Model
Large reflector antenna, a typical electro-mechanical system, is designed to satisfy the demands of both electrical performances and structural properties. Its characteristics very much depend on surface accur...
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Article
An interval finite element method for electromagnetic problems with spatially uncertain parameters
During the manufacturing process of dielectric materials used in electromagnetic engineering, the electromagnetic parameters are often spatially uncertain due to the processing technology, environmental temper...
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Article
Secondary shape optimization of topological boundary of cold plate channels
Secondary shape optimization for topological boundary is proposed to further improve heat dissipation performance of cold plates. Firstly, the topological boundaries obtained with topology optimization are fit...
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Chapter and Conference Paper
Fast Prediction Method of SMT Solder Joint Shape and Reliability Based on Gated Recurrent Unit (GRU)
Deep learning technology has been more and more used in traffic flow prediction, weather prediction, mechanical system fault diagnosis and other fields, and has achieved good results through engineering verifi...
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Chapter and Conference Paper
A Design Method for Reducing the Number of Actuators of a Large Active Main Reflector Antenna
Active main reflectors are often applied to the large aperture reflector antennas in engineering with a high operation frequency to improve the surface accuracy. Whether it is necessary to install actuators on...
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Chapter and Conference Paper
Dynamic Analysis of Large Aperture Antenna Rotor System Under Wind Disturbance
This paper presents a new strategy to study the vibration response of antenna pitch rotor system under wind load. Taking the pitch rotation mechanism of large reflector antenna as the research object, the thre...
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Chapter and Conference Paper
Optimal Sensor Placement for Health Monitoring of Large Space Structures in Harsh Environment: A GA-EfI Approach
Considering the problems of information redundancy, incomplete information perception and space structure limitation in the sensor layout of large and complex structures, a sensor layout algorithm for structur...
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Chapter and Conference Paper
ANN-PSO Algorithm Based Signal Transmission Performance Coupling Analysis and Optimization for TSV
The influence of the structure parameters of Through Silicon Via (TSV) interconnection process on its return loss is studied. A proxy model of TSV geometry parameters and return loss based on artificial neural...
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Article
The compound fault interaction analysis of the planet bearing system
This paper aims to understand the bearing distributed–localized compound fault interaction in planetary bearing system. To reveal the compound faults coupling mechanism, the planetary gear bearing distributed–...
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Article
Hybrid-panel-based new design idea for large reflector antenna
Large reflector antennas are widely used as radio telescopes and active main reflectors are generally applied to improve the surface accuracy. Considering that the high cost has been one important problem in e...
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Article
The Qitai radio telescope
This study presents a general outline of the Qitai radio telescope (QTT) project. Qitai, the site of the telescope, is a county of **njiang Uygur Autonomous Region of China, located in the east Tianshan Mounta...
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Chapter and Conference Paper
Analysis of Electromagnetic Wave Propagation Characteristics in Building Walls
There are many sources of electromagnetic radiation in modern society, and in order to reduce the impact of electromagnetic radiation on human body, it is necessary to improve the electromagnetic shielding eff...
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Chapter and Conference Paper
Adjustment Calculation Method for the Actuators of an Active Main Reflector Antenna
The panel adjustable reflector antenna can achieve higher surface accuracy, and it achieves panel adjustment through numerous actuators located below the panel. In order to quickly calculate the actuators adju...
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Chapter and Conference Paper
Theoretical Analysis of the Bearing Faults Impact on Large Aperture Antenna Pointing Accuracy
The reflector antenna has been widely used in the deep space exploration, radar warning and so on, which are all in a urgent demand for high pointing accuracy. The performance degradation and structural damage...
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Chapter and Conference Paper
Bearing Fault Diagnosis Using Transfer Learning with ICCEMDAN
Bearing is one of the fundamental components in the mechanical system and sometimes, it works for a long time under extreme conditions of high speed, which inevitably induces various faults. In recent years, m...
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Article
Mathematical Modeling of the Elastic Ring Time-Varying Transmission Path for Planetary Gear Condition Monitoring
The mounted stationary sensor on the ring casing has become a widely accepted way to monitor the planetary gear condition and one challenging aspect of this method is the modulation effect caused by the moving...
