Bin Shen

East China University of Science and Technology

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Yan Liu

Kunming University of Science and Technology

Huifeng Wang

East China University of Science and Technology

Yao Liu

Kanazawa Medical University Hospital

Yu Xin Liu

Kunming University of Science and Technology

Zerui Song

East China University of Science and Technology

Kunlun Guo

East China University of Science and Technology

Bingyong Yan

East China University of Science and Technology

Zhen Gu

East China University of Science and Technology

Zhen Gu

Tsinghua University

Zhou Yang

Shenzhen Third People’s Hospital

Cooperative Institutions

Chinese Academy of Sciences

Shanghai Jiao Tong University

University of Chinese Academy of Sciences

Tsinghua University

Jilin University

Zhejiang University

Peking University

Chinese Academy of Medical Sciences & Peking Union Medical College

Huazhong University of Science and Technology

Sichuan University

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Functionally Graded Fiber-Reinforced Cementitious Composites---Manufacturing and Extraction of Cohesive Fracture Properties Using Finite Elements and Digital Image Correlation

Bin Shen

Digital image correlation

Fiber-reinforced composite

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Citations (4)

An Artificial Intelligence-Assisted Digital Microfluidic System for Multistate Droplet Control

Research Square (Research Square) (2023)

Zhen Gu Kunlun Guo Zerui Song Jiale Zhou Bin Shen

Abstract Digital microfluidics (DMF) is a versatile technique for parallel and field-programmable control of individual droplets. Given the high freedom in droplet manipulation, it is essential to establish self-adaptive and intelligent control methods for DMF systems with informed of the transient state of droplets and their interactions. However, most related studies focus on the localization and shape recognition of droplets. Here, we develop an AI-assisted DMF framework named "µDropAI" for multistate droplet control based on droplet morphology. Semantic segmentation model is integrated into our custom-designed DMF system to recognize the droplet states and their interactions for feedback control with a state machine. The proposed model has a strong flexibility and can recognize droplets of different colors and shapes with an error rate of less than 0.63%. It enables control of droplets without user intervention. The coefficient variation (CV) of the volumes of split droplets can be limited to below 2.8%, which is lower than the CV of traditional dispense, contributing to an improvement in the precision of droplet split. The proposed system will inspire the development of semantic-driven DMF systems which can interface with multimodal large language models (MLLM) for fully automatic control.

Transient (computer programming)

Interface (matter)

10.21203/rs.3.rs-3782688/v1

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Design of an Industrial Robot Exhibition Based on VIRTOOLS

DEStech Transactions on Engineering and Technology Research (2018)

Jin-hong LEI Bin Shen

This paper studies the traditional industrial robot theory curriculum design, and puts forward the basic framework of virtual reality training. The design process of virtual reality is studied in this paper. The virtual exhibition hall can effectively provide advanced experimental environment and simulation means for the basic introduction and internal structure of industrial robots, and can cultivate the students' ability to understand the basic characteristics of industrial robots quickly. The application of virtual reality technology in industrial robots, the development of virtual exhibition system is of great significance to the reform of practical teaching in professional teaching and research section. It can effectively solve many problems of industrial robot teaching, such as complex equipment structure, high price, and the limitation of site, quantity, model and low training efficiency. Therefore, in this paper, a virtual exhibition system is designed for an industrial robot. It provides an effective solution for the virtual display of industrial robots.

Industrial robot

Industrial design

10.12783/dtetr/amee2018/25344

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Study on Furfural Production from Hemicelluloses

Advanced materials research (2013)

Bin Shen Yan Liu Yu Xin Liu Jin Hui Peng

In this paper, furfural was produced from hemicelluloses of bagass by hydrolization reaction with sulfuric acid and acetic acid respectively. The effect of several variables such as temperature , liquid-to-solid ratio ,time and catalyst charge（KCL） on furfural yield was studied. The results showed that the better yield of furfural was obtained in acetic acid hydrolysis system. However, compared to yield of acetic acid hydrolysis system, it need more time and higher temperature at the same liquid-to-solid ratio. At last, when sulfuric acid as catalyst, liquid-to-solid ratio was 1:6 and time was 5h at 150°C, furfural yield can reach 75 %.

Solid acid

10.4028/www.scientific.net/amr.690-693.1382

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Citations (2)

Optimization of Superior Shoes Board Immersion Condition

Advanced materials research (2014)

Yan Liu Yu Xin Liu Bing Sun Bin Shen Dongfang Zhang

This paper studied on the influence of impregnation process on original board by using the Styrofan SD 332S which could improve the international bending strength, then own higher wear-resistant, fold-resistant and tear-resistant. Trough single factor experiments, the optimum impregnation processing conditions were: wet cardboard dryness of 45%, immersion at 35 °C for 4 minutes, preliminary drying at 70 °C under the premise of 300 ml, 20% latex concentration, subsequent drying at 100°C for 2h. Under the conditions of impregnation process, the property index of shoes board were: tensile strength 0.34 kN/cm 2 through immersion 4 h, elongation of 1.56% through immersion 1 h, shrinkage of 0.84% through high temperature drying 1 h, peeling strength between layers 0.29N, fold endurance 5721 times.

Immersion

Shrinkage

Elongation

10.4028/www.scientific.net/amr.887-888.915

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Citations (1)

An artificial intelligence-assisted digital microfluidic system for multistate droplet control

Microsystems & Nanoengineering (2024)

Kunlun Guo Zerui Song Jiale Zhou Bin Shen Bingyong Yan

Transient (computer programming)

Interface (matter)

10.1038/s41378-024-00775-5

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Citations (2)

Experimental approaches for determining rheological properties of cement-based extrudates

Bin Shen

Due to its many advantages to the final product, the extrusion technology has been successfully applied in the manufacturing of short fiber reinforced cementitious composites (SFRCC). However, the rheological adjustment of fresh SFRCC, which is very important in successful extrusion, has never been tackled satisfactorily. Cost effectiveness usually becomes the main issue in searching for new formulations. In this study, a review from literatures and real experiences is first given. Then followed are systematic experimental approaches in determining the rheological properties of fresh SFRCC....[ Read more ]

Cementitious

10.14711/thesis-b786959

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Citations (7)

Changes of primary higher alcohols during the traditional and new rice wine fermentation process

China Brewing (2012)

Bin Shen

The gas chromatography method was used to determine the primary higher alcohols,such as n-propyl alcohol,isobutyl alcohol,isoamyl alcohol,β-phenylethyl alcohol,during the traditional and new rice wine fermentation,respectively.The results indicated that the total higher alcohols content increased along with the fermentation,and the increment during the primary fermentation was obviously faster than that of later fermentation.In the new fermentation process,82% of higher alcohols content was synthesized in the primary fermentation stage,whereas,the value was 73% in the traditional technology.When the fermentation was over,the total higher alcohols content of new technology was 56.60mg/L,which was higher than that of the traditional one.The ratio of n-propyl alcohol,isobutyl alcohol,isoamyl alcohol and β-phenylethyl alcohol was close to 1∶2∶5∶1,which had no obvious change during the fermentation and was not dependent on the type of fermentation process.

Isoamyl alcohol

Fermentation in winemaking

Ethanol Fermentation

Alcohol content

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Citations (2)

Research on Fire Identification Method Based on Multi-Feature Matching

SSRN Electronic Journal (2023)

Bin Shen Chao Wang Xiaoqian Luo

This article proposes a fire recognition method based on multi-feature matching to address the problems of traditional fire recognition algorithms, such as difficulty in noise reduction and protecting details, poor real-time performance and anti-interference ability. First, an optimized and improved adaptive median filtering algorithm is used to detect dynamic flame areas. Then, a color model is established by separating color channels to further distinguish flame areas. Finally, the contours of the flame are segmented and extracted using frame-difference method, and the flame implementation area is obtained. The experimental results show that the improved adaptive median filtering can better handle graphic details, and when combined with color models and frame-difference method, it can more accurately and real-time judge and extract flames and has a strong anti-interference ability. The experimental detection rate of this algorithm system reaches 92.7%, which is higher than the current general level of 90%.

Identification

Feature (linguistics)

10.2139/ssrn.4374046

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Inverse computation of cohesive fracture properties from displacement fields

Inverse Problems in Science and Engineering (2010)

Bin Shen Ilinca Stanciulescu Gláucio H. Paulino

The cohesive zone model (CZM) is a key technique for finite element (FE) simulation of fracture of quasi-brittle materials; yet its constitutive relationship is usually determined empirically from global measurements. A more convincing way to obtain the cohesive relation is to experimentally determine the relation between crack separation and crack surface traction. Recent developments in experimental mechanics such as photoelasticity and digital image correlation (DIC) enable accurate measurement of whole-field surface displacement. The cohesive stress at the crack surface cannot be measured directly, but may be determined indirectly through the displacement field near the crack surface. An inverse problem thereby is formulated in order to extract the cohesive relation by fully utilizing the measured displacement field. As the focus in this article is to develop a framework to solve the inverse problem effectively, synthetic displacement field data obtained from finite element analysis (FEA) are used. First, by assuming the cohesive relation with a few governing parameters, a direct problem is solved to obtain the complete synthetic displacement field at certain loading levels. The computed displacement field is then assumed known, while the cohesive relation is solved in the inverse problem through the unconstrained, derivative-free Nelder–Mead (N–M) optimization method. Linear and cubic splines with an arbitrary number of control points are used to represent the shape of the CZM. The unconstrained nature of N–M method and the physical validity of the CZM shape are guaranteed by introducing barrier terms. Comprehensive numerical tests are carried out to investigate the sensitivity of the inverse procedure to experimental errors. The results show that even at a high level of experimental error, the computed CZM is still well estimated, which demonstrates the practical usefulness of the proposed method. The technique introduced in this work can be generalized to compute other internal or boundary stresses from the whole displacement field using the FE method.

Displacement field

Cohesive zone model

Digital image correlation

10.1080/17415977.2010.512661

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Citations (20)