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Article
Multiple color image encryption and authentication based on phase retrieval and partial decryption in quaternion gyrator domain
In this paper, a multiple color image encryption and authentication scheme by using phase retrieval in quaternion gyrator domain and partial decryption is introduced. The quaternion representation is firstly e...
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Article
Feature Extraction Method for Condition Monitoring of Rolling Element Bearings Based on Dual-Tree Complex Wavelet Packet Transform and VMD
The feature extraction of rolling element bearings vibration signals is one of the key issue for high-speed rotating machinery condition monitoring. A new scheme based on Dual-Tree Complex Wavelet Packet Trans...
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Article
Study of Ablation of Arc Contacts and Dynamic Contact Resistance in High Current Breaker
The fault of power circuit breaker (PCB) can lead very serious problems, especially in high voltage–power grid. The structure of contacts may be composed of main contacts and arc contacts, and this structure c...
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Article
Color image encryption based on discrete trinion Fourier transform and random-multiresolution singular value decomposition
With more and more color images are spread and shared in the untrusted cloud server remotely over the open Internet, some private or confidential information may be contained, it is necessary to develop crypto...
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Chapter and Conference Paper
Finite Element Analysis of the Stress and Life of Cylindrical Bearing Roller of High-Speed Railway Motor
This article uses the contact theory to conduct a dynamic analysis of the cylindrical roller bearing firstly, describes the contact relationship between the roller and the inner and outer rings, and derives th...
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Chapter and Conference Paper
IGBT Life Prediction Based on CNN1D-LSTM Hybrid Model
In order to solve the problem of IGBT aging failure caused by the cyclic impact of thermal stress and electrical stress when working in a complex environment, a network model combining Convolutional Neural Net...
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Chapter and Conference Paper
The Fault Diagnosis Method of Rolling Bearing Based on CEEMDAN
The bearing structure is complex, the early fault signals are weak, mixed with a large number of noise signals, and have nonlinear characteristics, which makes it extremely difficult to extract effective fault...
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Chapter and Conference Paper
Multi-objective Optimization of IPT System Compensation Parameters for Improving Misalignment Tolerance
The capability of misalignment tolerance is a problem of great concern for inductive power transfer (IPT) system, especially with the simultaneous change of load. This paper presents a detailed multi-objective...
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Chapter and Conference Paper
Research on Life Prediction Method of Motor Bearings
In order to better achieve the life prediction and reliability analysis of motor bearings, a bearing life prediction method based on deep learning is proposed in this paper. The method firstly extracts feature...
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Chapter and Conference Paper
Life Prediction of Rolling Bearing Based on Bidirectional GRU
Rolling bearing is a kind of precision mechanical component bearing that changes the sliding friction between the running shaft and the shaft seat into rolling friction, so as to reduce the friction loss. It i...