24 Result(s)
within
**gqiang Wu
Engineering
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Article
Influence of free water content on the compressive mechanical behaviour of cement mortar under high strain rate
The effect of free water content upon the compressive mechanical behaviour of cement mortar under high loading rate was studied. The uniaxial rapid compressive loading testing of a total of 30 specimens, nomin...
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Article
Multidisciplinary design optimization of vehicle instrument panel based on multi-objective genetic algorithm
Typical multidisciplinary design optimization(MDO) has gradually been proposed to balance performances of lightweight, noise, vibration and harshness(NVH) and safety for instrument panel(IP) structure in the a...
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Chapter and Conference Paper
Design and Implementation of the Virtual Experiment System
Firstly, this paper introduced the features of virtual lab and showed advantages during teaching. Then it mainly discussed the combination of VRML and Java, including realizing dynamic client interface with Ja...
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Article
Open Access3D vasculature segmentation using localized hybrid level-set method
Intensity inhomogeneity occurs in many medical images, especially in vessel images. Overcoming the difficulty due to image inhomogeneity is crucial for the segmentation of vessel image.
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Article
Application of dual-blade stator to low-speed ratio performance improvement of torque converters
With application of the lock-up clutch in the torque converter (TC), fuel economy is not much determined by its high-speed ratio transmission efficiency. As a benefit, more researches are focused on its low-sp...
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Article
Kriging-assisted design optimization of the impeller geometry for an automotive torque converter
To reduce the total design and optimization time, numerical analysis with Kriging surrogate model coupled with a multi-objective optimization method based on non-dominated sorting genetic algorithm II (NSGA-II...
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Chapter and Conference Paper
Structural Design of Snap** Machine of Brittle Materials and Its Virtual Development
Based on the ideology of concept design, according to the mechanical model of snap** bar, reference matrix crack fracture theory, using the force closure method of clam** bar, design for the snap** mecha...
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Article
Open AccessTime series classification based on statistical features
This paper presents a statistical feature approach in fully convolutional time series classification (TSC), which is aimed at improving the accuracy and efficiency of TSC. This method is based on fully convolu...
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Chapter and Conference Paper
Droop Control of Microgrid Based on Genetic Optimization Algorithm
The microgrid is composed of multiple distributed power generation units and can be managed in combination with multiple energy sources. In the island mode, a reasonable allocation of power is required between...
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Article
A new forging technology of 19 tons flat ingot with semi-solid liquid core
In order to reduce the casting defects in the large forgings such as solidification segregation, a new forming technology of the semi-solid liquid core forging is put forward in this paper. We elucidate the ef...
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Article
The simulation of the preparation of the ingot with liquid core
During the preparation of the ingot with liquid core in the early stage, the finite element models of the solidification and the ultra-high temperature demoulding were established in DEFORM-3D. The thermophysi...
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Article
Maximum Power Point Tracking for Photovoltaic System Based on IMVO Algorithm
The power output curve of the photovoltaic (PV) array exhibits multi-peak characteristics under partial shading conditions, and the traditional control algorithm cannot track the maximum power point continuous...
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Article
A flexible power point tracking algorithm based on adaptive lion swarm optimization for photovoltaic system
In PV power generation systems, flexible power point tracking control needs to be introduced to regulate the output power on the PV side for meeting the grid connection requirements. However, traditional FPPT ...
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Article
Experimental and mechanism study of Cf/SiC undergoing longitudinal-torsional ultrasonic vibration-assisted grinding
Ceramic matrix composites (CMCs) with carbon fiber reinforcement are widely used in the aircraft industry and other important defense industries due to their superior performance. To investigate the factors af...
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Article
Acoustic system design and experimental research on the ultrasonic forming grinding gear
In order to obtain high-performance gear elements with integrated shape, using non-resonant theory, the gear grinding experiment and ultrasound-assisted grinding acoustic system were established. Firstly, a th...
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Article
Influence of gravity on the stability of the tautochronic centrifugal pendulum vibration absorber
The stability of centrifugal pendulum vibration absorbers (CPVAs) is an important design target; system stability synchronizes the absorber response. Tautochronic CPVAs are widely used because of their approxi...
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Chapter and Conference Paper
Research on Single-Phase Ground Fault Line Selection and Positioning System of Low-Current Grounding System
The role of fault location in single-phase grounding systems is very important, but there is a problem of poor accuracy. The original positioning method solves the fault location problem in single-phase ground...
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Article
Microgrid Fault Diagnosis Based on Whale Algorithm Optimizing Extreme Learning Machine
A microgrid fault diagnosis method based on whale algorithm optimizing extreme learning machine (ELM) is proposed. Firstly, the three-phase fault voltage is analyzed by wavelet packet decomposition, and the fe...
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Article
Event-triggered consensus control for DC microgrids based on MKELM and state observer against false data injection attacks
This paper proposes an event-triggered distributed control method based on state observer and multi-kernel extreme learning machine (MKELM) for direct current microgrid, which can suppress the false data injec...
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Article
Study on the influence of ultrasonic-assisted cutting on the surface quality of CFRP
In order to study the influence of machining methods and parameters on the surface quality of carbon fiber reinforced composites (CFRP) in the cutting process, the finite element simulation model of ultrasonic...
