Experimental environment
To validate the performance of our proposed method, we built an experimental platform. The platform uses the Ubuntu 20.04 operating system and employs PyTorch version 1.11.01 as the deep learning framework. We chose YOLOv8…
Category: Engineering
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Calibration of the omnidirectional vision system for robotics sorting system
System model
The system model was previously described in11 and just a brief overview is presented in this section. World coordinates of the laser plane (X, Y, Z) can be obtained as follows:
$$\begin{aligned} \begin{bmatrix} u\\ v\\ f\left( p…
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Effect of pH value and zeta potential on the stability of CO2 foam stabilized by SDS surfactant and SiO2, ZnO and Fe2O3 nanoparticles
Muggeridge, A. et al. Recovery rates, enhanced oil recovery and technological limits. Philos. Trans. R. Soc. A Math. Phys. Eng. Sci. 372, 20120320 (2014).
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Bebbington, J., Schneider,…
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A study on optimum insulation thickness of building walls in hot summer and warm winter zone in China
Heat and moisture transfer model
Heat transfer and moisture transfer are highly complex processes38,39. The coupled heat and moisture transfer model, which was previously proposed40 and validated for accuracy34, was applied in this paper. In the…
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Research on the biomechanical laterality of athletes’ lower limbs during side kick in the competitive Taekwondo
The purpose of this study is to explore whether there are differences in the biomechanical indicators when Taekwondo athletes complete SK using the DS and NS respectively. The main finding is that there are differences in peak flexion moment of…
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Product design improvement method driven by online product reviews
Framework
A novel framework for product design improvement driven by online product reviews has been developed, as illustrated in Fig. 1. This framework utilizes online reviews of target products (existing products requiring improvement) and…
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Model reduction of structural mechanical response in the time domain
Preparation of data
To guarantee robust generalization capabilities for the trained model, it is crucial that the training data encompasses a broad amplitude range. Consequently, this study chose a dataset featuring the widest range of strain…
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Investigation of the physical driving mechanisms of wind noise in hearing devices by computational fluid dynamics
The value of the computational fluid dynamics simulation is particularly driven by making the invisible flow structures visible31,32,33,34,35,36,37. In addition, we can obtain quantitative information of experimentally inaccessible quantities…
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Curiosity Rover uncovers largest organic compounds ever seen on Mars
In a breakthrough discovery, researchers have found the largest organic compounds ever seen on Mars, offering new clues about whether life once existed on the Red Planet.
Buried within a 3.7-billion-year-old rock sample, the largest organic…
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US researchers harness the sun with nanotech mats to clean water
Clean drinking water is a fundamental human right that remains out of reach for billions.
According to the World Health Organization data from 2022, 2.2 billion people across the globe do not have access to safe drinking water.
Some…
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