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Chapter and Conference Paper
Simulation Study on the Displacement Characteristics of an Ultra-Low Permeability Reservoir by CO2-WAG Flooding
The oil production rate of the ultra-low permeability reservoir decreases rapidly after volume fracturing, and reservoir energy replenishment is in urgent need to enhance the production performance. However, d...
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Chapter and Conference Paper
ACB-RRT*: Adaptive Companion Points Bidirectional RRT* Algorithm
To solve the problems of long search time, poor convergence and many redundant points in the RRT* algorithm, an adaptive companion point bidirectional RRT* algorithm (ACB-RRT*) is proposed. This algorithm adop...
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Article
Straight skeleton filling methods for thin-walled parts
Wire and arc additive manufacturing (WAAM) has emerged as a promising technique for manufacturing parts with slender features and thin-walled structures. Nevertheless, the utilization of conventional contour-p...
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Article
Classification of Coronavirus Spike Proteins by Deep-Learning-Based Raman Spectroscopy and its Interpretative Analysis
The outbreak of COVID-19 has spread worldwide, causing great damage to the global economy. Raman spectroscopy is expected to become a rapid and accurate method for the detection of coronavirus. A classificatio...
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Chapter and Conference Paper
Design of WAAM System Based on Industrial Robot
With the development of material technology and craft, wire arc additive manufacturing (WAAM) is widely used due to its low cost, short cycle and strong structure. This article mainly studies WAAM system desig...
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Article
AEB-RRT*: an adaptive extension bidirectional RRT* algorithm
Due to the probabilistic completeness and asymptotic optimality, the RRT* algorithm can find sub-optimal solutions and solve path planning problems effectively compared with other strategies. The B-RRT* algori...
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Article
Open AccessTight oil reservoir production characteristics developed by CO2 huff ‘n’ puff under well pattern conditions
Tight oil reservoirs have poor physical properties, and the problems including rapid oil rate decline and low oil recovery degree are quite common after volume fracturing. To obtain a general understanding of ...
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Chapter and Conference Paper
Deep Learning Based Robot Detection and Grinding System for Veneer Defects
To obtain desired wood appearance, it is necessary to grind the defects in the wood veneer. Traditional manual grinding method is time consuming and laborious. Therefore, the method using industrial robot comb...
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Article
Welding robot path planning problem based on discrete MOEA/D with hybrid environment selection
Welding robot path planning gradually has increasingly widespread attention in automatic production on account of improving the production efficiency in the actual production process. It is a combinational opt...
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Chapter and Conference Paper
Numerical Simulation of Robot Base Welding Process
A three-dimensional finite approach based on ANSYS is developed to simulate the welding process of the robot base. To solve the welding deformation problem and improve the solution accuracy, this paper chose s...
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Chapter and Conference Paper
Time-Optimal Path Planning for Dual-Welding Robots Based on Intelligent Optimization Strategy
Dual-welding robots are widely used with the industry development, and dual-welding robots usually have to deal with a large number of weld joints. In this condition, traditional manual teaching method is time...
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Article
Intelligent welding robot path optimization based on discrete elite PSO
Rational path optimization of weld joints sequence can reduce welding time, improve the welding quality and productivity in robot welding process, especially when the number of weld joints is large. In this ar...
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Chapter and Conference Paper
Collision Free Path Planning for Welding Robot Based on CG-MOPSO
For spot welding task, reasonable welding path is useful for welding efficiency improvement. Obstacle avoidance is essential for safe welding, and energy consumption is another factor needed to be considered i...
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Article
Three-dimensional vision applications in GTAW process modeling and control
In gas tungsten arc welding (GTAW), the weld pool is the major source of information that can be used to assure the production of the desired weld penetration—the most critical factor determining the weld inte...
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Article
Intelligent modelling of back-side weld bead geometry using weld pool surface characteristic parameters
In manual welding process, skilled welders can ensure the weld quality through compensating for deviation observed from the weld pool surface. In this paper a three dimensional vision sensing system was used t...
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Article
Three-dimensional vision-based sensing of GTAW: a review
Automated and robotic welding is now widely used in manufacturing industry. The control of the welding process plays a crucial role in producing quality welds in automated and robotic welding where the assista...
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Article
Open AccessNi-doped TiO2 nanotubes for wide-range hydrogen sensing
Do** of titania nanotubes is one of the efficient way to obtain improved physical and chemical properties. Through electrochemical anodization and annealing treatment, Ni-doped TiO2 nanotube arrays were fabrica...
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Article
Open AccessConvergence of perturbed composite implicit iteration process for a finite family of asymptotically nonexpansive map**s
In this paper, we introduce a perturbed composite implicit iterative process with errors for a finite family of asymptotically nonexpansive map**s. Under Opial’s condition, semicompact and
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Chapter and Conference Paper
Weld Pool Surface Model Establishment for GTAW Based on 3D Reconstruction Technology
In Gas Tungsten Arc Welding (GTAW) process, weld pool contains information that can be used to establish process model, realize desired penetration control and study the weld pool characteristic. Hence, variou...
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Chapter and Conference Paper
Analysis and Modeling of GTAW Weld Pool Geometry
A three dimensional vision sensing system was used to mimic the human vision system to observe the three-dimensional weld pool surface in pipe Gas Tungsten Arc Welding (GTAW) process. Novel characteristic para...
