Ye Zhou

China Institute of Water Resources and Hydropower Research

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Dengfeng Cao

National Synchrotron Radiation Laboratory

Xinfeng Ge

Hohai University

Ye Lu

Wuhan Ship Development & Design Institute

Lizhuang Ma

East China Normal University

Jianguo Cai

Jie Sun

Hohai University

Luoping Pan

China Institute of Water Resources and Hydropower Research

Yuan Zheng

Hohai University

Luo Ping Pan

China Institute of Water Resources and Hydropower Research

Ping Ping Li

Chinese Academy of Medical Sciences & Peking Union Medical College

Cooperative Institutions

Chinese Academy of Sciences

Shanghai Jiao Tong University

China Institute of Water Resources and Hydropower Research

Hohai University

Zhejiang University

Tsinghua University

Wuhan Ship Development & Design Institute

University of Chinese Academy of Sciences

Hunan University

Sun Yat-sen University

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A Method of Identifying a Public Bus Route Number Employing MY VISION

Journal of Robotics Networking and Artificial Life (2021)

Joo Kooi Tan Yosiki Hamasaki Ye Zhou Ishitobi Kazuma

However, the aforementioned methods are insufficient for practical use in that their computational complexity is high, and the recognition accuracy and the effect of tracking a bus still need to be improved to gain better performance.

10.2991/jrnal.k.210922.014

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Citations (2)

The prediction model for residence based on reliability in social network

Computer Communications (2021)

Bin Zhang Yanglan Fu Jing Li Ye Zhou

10.1016/j.comcom.2021.01.030

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Citations (0)

Technology-driven Elderly-Friendly Design - Focus on AR Glasses Service for Elderly Companionship -

JOURNAL OF THE KOREAN SOCIETY DESIGN CULTURE (2024)

Ye Zhou Ken Nah

인구 고령화는 전 세계적인 추세 중 하나로 특히, 가족과 집단 중심적 생활을 유지해 온 아시아 국가에서는 가장 큰 사회적 이슈로 부각되고 있다. 지능형 기술의 빠른 발전으로 인해 건강 및 생활 방식과 관련된 물리적 수요 측면 외에도 노인들을 위한 감정적 지원을 할 수 있는 동반자(companion)로서의 수요 충족에도 미래 기술이 요구되고 있다. 그러나 디지털 문해력이 떨어지는 고령자들은 기술 수용의 정도에 개인차가 크고, 상당수가 새로운 기술에 대한 두려움을 가지고 있는 것이 현실이다. 따라서 미래의 건강한 노년의 삶을 위해 기술과 서비스가 통합된 디자인 방향성은 매우 중요하다고 할 수 있다.BR 본 연구의 목적은 이와 같은 사회적 요구를 기반으로 노인을 위한 감성적 동반자로서의 기능을 지원하는 기술을 활용한 노인 친화적 서비스 디자인의 개발에 있다. 본 연구에서 사용된 연구 방법론은 사용자 경험 중심 연구로서 질적 및 양적 접근을 모두 통합한 혼합 연구 방법론이다. 먼저, 문헌 연구와 사례 연구를 통해 기존 디자인 및 확장 현실(XR) 기술에서 노인들의 상호 작용 경험과 감정적 동반자에 대한 제약 사항을 조사하였다. 다음으로 106명의 65세 이상 노인들에게 사용자 인터뷰와 통한 페르소나 분석을 통해 노인들의 기술 및 감정적 동반자에 대한 요구조건을 수집 및 분석하였다.BR 본고에서는 연구 결과로 고령자의 디지털 기술 문해력을 고려한 몰입형 서비스를 제공하여 가상의 동반자를 제공하기 위한 AR 글래스 기반 서비스 디자인의 개념적 구조를 제안한다. 이 디자인은 감정적 동반자 문제에 대한 대안을 제시하고 노인 친화적인 디자인 원칙을 기반으로 더 나은 상호 작용 경험을 제공하는 것을 목표로 한다. 본 연구에서 제안된 AR 글래스 시스템의 개념적 구조는 노인들의 감정적 동반자 문제 해결을 위해 AR 기술을 활용하는 데 기여할 것이며, 동시에 디자인 측면에서 노인의 삶의 질을 향상시키고자 하는 다양한 분야의 연구자들에게도 연구기반을 제공할 것이다.

10.18208/ksdc.2024.30.1.357

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The Glare Evaluation Method Using Digital Camera for Civil Airplane Flight Deck

Lecture notes in computer science (2013)

Ma Zhi Wei Zhang Ye Zhou Jinhai Yu Baofeng Li

GLARE

Airplane

Cockpit

10.1007/978-3-642-39354-9_21

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Numerical Simulation of Fine Particle Solid‐Liquid Two‐Phase Flow in a Centrifugal Pump

Shock and Vibration (2021)

Yanping Wang Bozhou Chen Ye Zhou Jianfeng Ma Xinglin Zhang

To study the effect of fine particle size and volume concentration on the performance of solid‐liquid two‐phase centrifugal pump, the mixture multiphase flow model, RNG k-ε turbulence model, and SIMPLEC algorithm were used to simulate the two‐phase flow of the centrifugal pump. The effects of particle size and volume concentration on internal pressure distribution, solid volume distribution, and external characteristics were analyzed. The results show that under the design discharge conditions, with the increase of particle size and volume concentration, the internal pressure of the flow field will decrease, and the volume fraction of solid phase in the impeller passage will also decrease as a whole. The solid particles gradually migrate from the suction surface to the pressure surface, and the particles in the volute channel are mainly concentrated in the flow channel near the outlet side of the volute. With the increase of particle size and volume concentration, the negative pressure value at the inlet of centrifugal pump increases, the total pressure difference at the inlet and outlet decreases, and the head and efficiency decrease accordingly.

Particle (ecology)

Liquid flow

10.1155/2021/6631981

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Citations (12)

Study on the fuzzy travel time vehicle routing problem based on the improved ant colony algorithm

WIT transactions on engineering sciences (2014)

Dong Cai Ye Zhou Yanming Chen

Vehicle Routing Problem

Ant colony

10.2495/iciee140901

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Neighborhood co-occurrence modeling in 3D point cloud segmentation

Computational Visual Media (2021)

Jingyu Gong Ye Zhou Lizhuang Ma

Abstract A significant performance boost has been achieved in point cloud semantic segmentation by utilization of the encoder-decoder architecture and novel convolution operations for point clouds. However, co-occurrence relationships within a local region which can directly influence segmentation results are usually ignored by current works. In this paper, we propose a neighborhood co-occurrence matrix (NCM) to model local co-occurrence relationships in a point cloud. We generate target NCM and prediction NCM from semantic labels and a prediction map respectively. Then, Kullback-Leibler (KL) divergence is used to maximize the similarity between the target and prediction NCMs to learn the co-occurrence relationship. Moreover, for large scenes where the NCMs for a sampled point cloud and the whole scene differ greatly, we introduce a reverse form of KL divergence which can better handle the difference to supervise the prediction NCMs. We integrate our method into an existing backbone and conduct comprehensive experiments on three datasets: Semantic3D for outdoor space segmentation, and S3DIS and ScanNet v2 for indoor scene segmentation. Results indicate that our method can significantly improve upon the backbone and outperform many leading competitors.

Divergence (linguistics)

Similarity (geometry)

Convolution (computer science)

Kullback–Leibler divergence

10.1007/s41095-021-0244-6

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Citations (9)

A comprehensive review on tree detection methods using point cloud and aerial imagery from unmanned aerial vehicles

Computers and Electronics in Agriculture (2024)

Weijie Kuang Hann Woei Ho Ye Zhou Shahrel Azmin Suandi Farzad Ismail

Aerial imagery

Aerial Survey

Aerial image

Tree (set theory)

Aerial photos

10.1016/j.compag.2024.109476

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Distributed Robust Optimal Scheduling for Integrated Energy System Considering Source-Load Uncertainty

2021 IEEE 5th Conference on Energy Internet and Energy System Integration (EI2) (2021)

Jian Feng Jianyu Hu Yu Wang Shaofeng Fang Keke Yan

There are some problems such as uncertainty in the output of renewable energy such as wind and light, and deviations between energy prediction and actual demand in the integrated energy system (IES) with high penetration rate of renewable energy. Energy storage is an effective solution to the above problems way, but excessive energy storage capacity will lead to economic decline of the integrated energy system, and less will lead to insufficient overall regulation capacity of the integrated energy system. Based on this, electric and thermal energy storage devices are used to participate in IES optimal scheduling, and the combined output threshold of source-charge-storage is used to measure the effect of source-charge-storage cooperative operation in IES, then a source-charge-storage matching index was proposed in this article. An optimization model with the goal of minimizing the running cost of the integrated energy system with electricity / thermal energy storage equipment under the constraint of matching degree is established by this index. Calculation examples show that the proposed indicators and models can effectively reduce the system operation cost and improve the level of renewable energy consumption.

Energy accounting

Demand Response

10.1109/ei252483.2021.9713377

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Sediment Erosion on Pelton Turbines: A Review

Chinese Journal of Mechanical Engineering (2023)

Xinfeng Ge Jie Sun Dongdong Chu Juan Liu Ye Zhou

Abstract The Pelton turbine has been widely used to develop high-head water resources with sediments because of its advantages in life cycle costs. When a flood or monsoon season occurs, the sediment concentration in the river increases suddenly, causing severe erosion to the nozzle, needle, and runner of Pelton turbines. After decades of development, researchers have developed practical engineering experience to reduce the sediment concentration of the flow through the turbine and ensure the safety and efficiency of power generation. Research on the mechanism of sediment erosion, development of anti-erosion materials, and establishment of erosion prediction models have attracted scholarly interest in recent years. Extensive research has been conducted to determine a complete and valuable syndication erosion model. However, owing to the complexity of the flow and wear mechanisms, the influence of specific parameters of erosion and the syndication effect is still difficult to determine. Computational fluid dynamics and erosion monitoring technology have also been evaluated and applied. This paper presents a comprehensive review of the erosion of Pelton turbines, some of the latest technical methods, and possible future development directions.

10.1186/s10033-023-00880-y

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Citations (7)