27 Result(s)
within
Chunyuan **
Engineering
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Article
Privacy-Preserving of Digital 6G IoT Based Cyber Phycical System in Medical Big-Data Application Using Homomorphic Encryption
This abstract introduces a novel approach to privacy protection in cyber-physical systems built on the 6G Internet of Things (IoT), with an emphasis on applications involving medical big data and the use of ho...
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Article
Performance and Optimization of Air Source Heat Pump Water Heater with Cyclic Heating
A new type of microchannel condenser applied in the air source heat pump water heater (ASHPWH) with cyclic heating was proposed in this study. The operating performance of the ASHPWH was first tested. Then, th...
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Article
Design and processing behavior of large tubes with a rotating magnetic pole core-based magnetic abrasive finishing
A novel magnetic abrasive finishing (MAF) technique employing a rotating magnetic disc is developed to address the issue of uneven polishing on large-sized slender tubes. The method involves arranging a series...
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Article
A Dynamic Cellular Network Framework for Multi-UAV-BS Deployment
UAV-assisted base stations (UAV-BSs) to provide wireless access for terrestrial users is an alternative solution in emergency communication and disaster scenarios. Multi-UAV-BS networks have greater coverage a...
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Article
Open AccessDifferent channels to transmit information in scattering media
A communication channel should be built to transmit information from one place to another. Imaging is 2 or higher dimensional information communication. Conventionally, an imaging channel comprises a lens with...
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Article
Numerical study of the effect of fatigue on impact performance of RC beams
Some existing concrete structures not only face threats of possible explosions and impact, but also suffer from long-term fatigue loads induced by traffic or vibration of machines. Researchers have conducted e...
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Chapter and Conference Paper
The Impact of Daylight Illuminance on Students’ Seat Preference in a University Library in Bei**g
This paper aims to study college students’ feelings about the indoor daylight environment of the library. Taking a university library in Bei**g as an example, a combination of questionnaire and illumination m...
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Article
Monitoring of corrosion-induced damage to bolted joints using an active sensing method with piezoceramic transducers
Ensuring adequate tightening of bolted joints is necessary since they are more prone to corrosion in a harsh environment under insufficient preload. To this end, this paper first conducted an accelerated elect...
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Article
Detection of post-earthquake damage inside a concrete arch dam using the electromechanical impedance method
The detection of post-earthquake damage inside concrete dams has recently attracted great interest in academia and industry. A novel electromechanical impedance (EMI) method using embedded EMI sensors (EMISs) ...
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Article
Shaking analysis of high-speed train’s carbody when cross lines
The high-speed train will exhibit different vibration characteristics when running on different lines. When the equivalent conicity of the wheel rail profile is larger, the critical speed of the vehicle will d...
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Article
Repair volume extraction method for damaged parts in remanufacturing repair
The remanufacturing repair of damaged parts provides great potential for restoring them to a like-new condition. Existing methods cannot build an effective connection between 3D point cloud reconstruction and ...
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Chapter and Conference Paper
Research on the Complexity of Binary Chaotic Sequences
Binary sequence of chaos has been widely applied in research and studies on secret communication. Binary chaotic pseudo-random sequence is obtained through assessing and quantifying chaotic sequence and the co...
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Article
Numerical modelling and experimental verification of thermal characteristics and their correlations with mechanical properties of double-sided laser welded T-joint
In this study, a three-dimensional model was developed to investigate the temperature fields during a double-sided laser welding process of T-joints, and the correlations between the thermal characteristics an...
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Article
Design, construction and ocean testing of wave energy conversion system with permanent magnet tubular linear generator
In this paper, the design, construction and ocean testing of a wave energy conversion system are studied. Based on the motion characteristics of double buoys in ocean waves, a wave energy conversion system wit...
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Article
A 4-bit CMOS phase shifter for millimeter-wave phased arrays
A 4-bit active phase shifter for millimeter-wave phased arrays is presented in this brief. The proposed phase shifter has achieved a phase-shifting range of
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Article
A novel transformer-based mm-Wave frequency doubler with enhanced output symmetry
A novel transformer-based differential frequency doubler operating in mm-Wave range is presented in this paper. The differential output signal is generated by the second harmonic of the nonlinear push-push pai...
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Chapter and Conference Paper
Dual-PWM Three-Level Voltage Source Converter Based on SVPWM
In order to overcome the shortcomings of traditional AC-DC-AC electrical driving systems, a dual-PWM method for the three-level voltage source converter to drive an induction motor (IM) is proposed in this cha...
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Chapter and Conference Paper
Security Evaluation for Wireless Sensor Networks Based on Attack Test and Fuzzy Comprehensive Judgement
Security evaluation for wireless sensor networks analyzes the security performance of network, helps to find vulnerabilities and shortages, and provides advices to take effective security technologies, which i...
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Article
A 1 mW power-efficient high frequency CML 2:1 divider
In this study, a low power high operating frequency current mode logic (CML) 2:1 divider is presented. Because the latching transistor pair is biased in low current mode, the proposed divider is power-saving. ...
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Chapter
Minimum End-to-End Delay of Generic Two-Channel Linear-Phase Perfect-Reconstruction FIR Filterbanks
Discrete multiresolution transforms based on two-channel linear-phase FIR filterbanks and their variants are used ubiquitously for coding natural images/videos. In real-time video applications such as the vide...
