Search Results - "Chen, Lehan"

Robust Self-Adaptation Fall-Detection System Based on Camera Height by Kong, Xiangbo, Chen, Lehan, Wang, Zhichen, Chen, Yuxi, Meng, Lin, Tomiyama, Hiroyuki

“…Vision-based fall-detection methods have been previously studied but many have limitations in terms of practicality. Due to differences in rooms, users do not…”
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Experimental and simulation study on the effect of ZSM-5 hydrocarbon catcher on the emission of gasoline engine during cold start by Feng, Changling, Deng, Yuanwang, Tan, Yan, Han, Wei, E, Jiaqiang, Chen, Lehan, Han, Dandan

“…•Coated ZSM-5 zeolite is encapsulated as a hydrocarbon catcher.•Cold start experiment was carried out on the engine bench.•Real time emissions of hydrocarbons…”
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Effects of zeolite molecular sieve on the hydrocarbon adsorbent and diffusion performance of gasoline engine during cold start by Chen, Lehan, Deng, Yuanwang, Han, Wei, E., Jiaqiang, Wang, Chunhua, Han, Dandan, Feng, Changling

“…•Hydrocarbon catcher is used for hydrocarbon emission control during cold start.•Grand Canonical Monte Carlo method is used in the adsorption.•Molecular…”
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Soot formation mechanism of modern automobile engines and methods of reducing soot emissions: A review by E, Jiaqiang, Xu, Wanrong, Ma, Yinjie, Tan, Dongli, Peng, Qingguo, Tan, Yan, Chen, Lehan

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Hydrocarbon emission control of a hydrocarbon adsorber and converter under cold start of the gasoline engine by Feng, Changling, Deng, Yuanwang, Chen, Lehan, Han, Wei, E, Jiaqiang, Wei, Kexiang, Han, Dandan, Zhang, Bin

“…In this paper, a hydrocarbon (HC) adsorber and converter (HCAC) system is proposed for hydrocarbon emission control during cold start (Hydrocarbons are…”
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Effects analysis on hydrocarbon reduction efficiency of a beta zeolite catcher in gasoline engine during cold start by Han, Dandan, Deng, Yuanwang, Han, Wei, E, Jiaqiang, Chen, Lehan, Feng, Changling, Zhang, Bin

“…•A new post-processing device- hydrocarbons catcher was designed.•Cold start test was conducted on the gasoline engine test bench.•Adsorption capacity of the…”
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Investigation on the influence of modified zeolite molecular sieve on the hydrocarbon adsorbent and adsorption performance during cold-start conditions based on Monte Carlo simulation and grey relational analysis by Chen, Lehan, Jiaqiang, E, Ma, Yinjie, Deng, Yuanwang, Han, Dandan

“…•Molecular sieve materials were modified by changing atoms of them.•The correlation degree of different factors on adsorption capacity of molecular sieve.•The…”
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Trust calibration through perceptual and predictive information of the external context in autonomous vehicle by Gao, Qi, Chen, Lehan, Shi, Yanwei, Luo, Yuxuan, Shen, Mowei, Gao, Zaifeng

“…•Enhancing drivers’ perception and prediction of external context aids trust calibration in L3 driving.•Predictive information marked safe/dangerous zones…”
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Eigen-componentwise convergence of SGD for quadratic programming by Chen, Lehan, Nakatsukasa, Yuji

“…Stochastic gradient descent (SGD) is a workhorse algorithm for solving large-scale optimization problems in data science and machine learning. Understanding…”
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Long-term Clustered Unit Commitment Considering Lack-of-Inertia and Lack-of-Flexiramp Requirements by Yuan, Yiping, Chen, Jiayu, Hu, Weihao, Wan, Hao, Chen, Lehan, Zhang, Zhenyuan

“…Long-term unit commitment (LT-UC) is the essential tool for operators to estimate the feasibilities of weekly/seasonal electrical production and operation…”
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A Dynamic Height Analysis on Vision Based Fall Detection System by Chen, Yuxi, Kong, Xiangbo, Chen, Lehan, Meng, Lin, Tomiyama, Hiroyuki

“…The senior citizens need support or help after a fall accident. But they may not be able to summon help due to the injuries or impairment of the fall…”
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Multiple States Fall Detection System for Senior Citizens by Chen, Lehan, Kong, Xiangbo, Tomiyama, Hiroyuki, Meng, Lin

“…Since the situation of aging society and injury in elderly have become big problems in our daily life, an experiment which uses several models to detect…”
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