17 Result(s)
within
Conference Paper
Le-** Zhang
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Chapter and Conference Paper
Characterization of Shale Pore Structure Using CT Scanning Technology: A Case Study in Ordovician Wulalike Formation of Ordos Basin
An accurate understanding of the pore structure of shale is the key to recognizing the gas accumulation cognition, which benefits the exploration of gas production. The significant achievement in the Silurian ...
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Chapter and Conference Paper
Deep Spatio-Temporal Attention Network for Click-Through Rate Prediction
In online advertising systems, predicting the click-through rate (CTR) is an important task. Many studies only consider targeted advertisements in isolation, but do not focus on its relationship with other ads...
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Chapter and Conference Paper
Modeling Study and Comprehensive Evaluation of Petroleum System in Abyei Slope of Kaikang Depression, Muglad Basin
The Muglad Basin is the largest sedimentary basin in the Central African Rift, covering an area of more than 120,000 km2. It is also the basin with the largest discovered geological reserves in the Central Africa...
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Chapter and Conference Paper
Research on Inventory Control Method of Cold Chain Logistics Enterprises Under the Background of New Energy Consumption
The conventional inventory control method does not accurately calculate the inventory cost of cold chain logistics, which leads to its poor application effect. In order to optimize the inventory control capabi...
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Chapter and Conference Paper
MSA-CNN: Face Morphing Detection via a Multiple Scales Attention Convolutional Neural Network
Face morphing attack is becoming a serious threat to the existing face recognition systems. Some different approaches for morphing attack detection have been put forward. However, there are few methods concent...
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Chapter and Conference Paper
Design and Analysis of a Novel Primary and Secondary Embedded Deployable Offshore Cage
Cage aquaculture is an important strategic direction for marine aquaculture, which plays an important role in expanding aquaculture space and protecting the offshore ecological environment. First, based on the...
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Chapter and Conference Paper
Optimization Design of In-Situ Upgrading for Oil Shale via Steam Injection Based on Response Surface Method
In order to improve the effect of in-situ upgrading for oil shale via steam injection, the optimization of development parameters has been carried out. In this study, a central composite numerical simulation e...
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Chapter and Conference Paper
Symplectic Runge-Kutta Method Based Numerical Solution for the Hamiltonian Model of Spacecraft Relative Motion
The dynamics of spacecraft relative motion greatly counts in the planning, guidance and control of many space missions, such as on-orbit servicing and formation flight. This paper develops a Hamiltonian model ...
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Chapter and Conference Paper
A Two-Stage Mechanism for Ordinal Peer Assessment
Peer assessment is a major method for evaluating the performance of employee, accessing the contributions of individuals within a group, making social decisions and many other scenarios. The idea is to ask the...
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Chapter and Conference Paper
Content-Independent Face Presentation Attack Detection with Directional Local Binary Pattern
Aiming to counter photo attack and video attack in face recognition (FR) systems, a content-independent face presentation attack detection scheme based on directional local binary pattern (DLBP) is proposed. I...
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Chapter and Conference Paper
Faster Randomized Worst-Case Update Time for Dynamic Subgraph Connectivity
Real-world networks are prone to breakdowns. Typically in the underlying graph G, besides the insertion or deletion of edges, the set of active vertices changes overtime. A vertex might work actively, or it might...
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Chapter and Conference Paper
Source Camera Identification Based on Guided Image Estimation and Block Weighted Average
Sensor pattern noise (SPN) has been widely used in source camera identification. However, the SPN extracted from natural image may be contaminated by its content and eventually introduce side effect to the ide...
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Chapter and Conference Paper
Calculation of the Magnetic Field of the Permanent Magnet Using Multi-domain Differential Quadrature
On the basis of the multi-domain differential quadrature, this paper formulates the equation of the magnetic field of the permanent magnet (PM), which is widely used in precision engineering. The multi-domain,...
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Chapter and Conference Paper
Frequency Analysis of the In-Plane Rotating Hub-Beam System Considering Effects of the Hub
In this paper, the in-plane rotating hub-beam system is mainly investigated considering effects of the hub. By applying the extended Hamilton’s principle and the Galerkin method, the governing equation of moti...
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Chapter and Conference Paper
Design of a Levitating Nano-Positioning Stage with Arc-Edged Permanent Magnet Halbach Arrays
In this paper, a levitating nano-positioning stage with arc-edged permanent magnet Halbach arrays is presented. Construction of the nano-positioning stage is given, and the components of the stage are designed...
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Chapter and Conference Paper
DC Motor Speed Control System Simulation Based on Fuzzy Self-tuning PID
The traditional DC double-loop speed control can not effectively overcome non-linear factors; it can not meet the needs of high-precision, high-performance requirements. This paper shows that the Fuzzy Self-Tu...
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Chapter and Conference Paper
Direct Torque Controlling of Permanent Magnet Synchronous Motor Based on the Adaptive Fuzzy Controller
This paper proposes a direct torque control system of permanent magnet synchronous motor based on fuzzy control. The stator flux linkage error, torque error and the stator flux vector angular position are used...
