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1845 articles
Proceedings Article

Testing Device for Biaxial Loading of Textile Specimens

Ales Lufinka
Testing of real properties of textile specimens is needed during the development of new textile structures. One of the basic test is determining the specimen stiffness, it means measurement of the dependence of the force on the textile material stretching. Textile materials are mostly used in technical...
Proceedings Article

Analysis of Cave System in Weak Sandstone Using RS2

Simon Ferley, Ian Williams
The Rocscience finite element program RS2 [1] has been used for a preliminary study to examine the stability of shallow caves in weak sandstone rock beneath a proposed development site in the UK. Focusing on the influence of in-situ horizontal earth pressures, this paper presents one of several models...
Proceedings Article

Force Analysis of Long-Span Oblique Steel-Concrete Composite Beams

Dong Chen, Peng Liu, Shanwei Li
At present, scholars at home and abroad have conducted more research on conventional steel-concrete composite bridges and conventional oblique bridge, but there is relatively little research on long-span diagonal steel-concrete composite beams that appear in engineering. The article combines specific...
Proceedings Article

Research on the Influence of Unclosed Residential Community on the Surrounding Road Network

Yujun Deng, Xiaoning Zhu
In this study, in order to analyze the influence of unclosed residential community on the surrounding road network, a method of road network capacity evaluation was proposed, and the model of traffic flow distribution was constructed to quantitatively describe the vehicle route selection in the road...
Proceedings Article

Research on Personalized Recommendation of Magnetic Material Retrieval Based on Knowledge Mapping

Li Lei, Bai Yu
Since the concept of knowledge map was introduced, the internet has gradually changed from hyperlink between web pages to describing the association between entities.Knowledge map is mainly used in personalized recommendation and other fields. It can provide users with knowledge nodes and links between...
Proceedings Article

Pilot Free Trade Zone and Productivity of Enterprise

Yuetao Yang
From the creation of the Shanghai Free Trade Zone from September 2013 to September 2020, China has set up six batches of 21 free trade zones in batches. The establishment of free trade zones may often lead to regional economic development and also have a certain impact on the production efficiency of...
Proceedings Article

Design Compression Molding Machine with Hydraulic System

Fatahul Arifin, Yusuf Dewantoro Herlambang, Dwi Arnoldi, Eka Satria Martomi, Muhammad Noviadi, Hanif Akbar, Jihan Salsabilla
Seal is a part of the machine that is used by one of the Light Fire Extinguishers (LFE) so that the contents of this tube are kept awake until it is used to extinguish the fire. In the process of making this seal, a machine is used mold to make the seal part. One is as male (upper mold) and the second...
Proceedings Article

Generalized integral representation method as applied to numerical simulation of Boussinesq wave

Gantulga Tsedendorj, Baljinnyam Tsangia, Khongorzul Dorjgotov
In this study, we present discretization schemes based on Generalized Integral Representation Method (GIRM) for numerical simulation of the Boussinesq wave. The schemes numerically evaluate the coupled Boussinesq equation for different solitary wave phenomena, namely, propagation of a single soliton,...
Proceedings Article

IoT-based Intelligent Fishcarelab System (IFS) for Koi Fish Monitoring System

Minto Waluyo, Basuki Rahmat, Tuhu Agung Rachmanto, Mohamad Irwan Afandi, Helmy Widyantara, Harianto Harianto
Internet of Things (IoT) allows connections between devices using an internet connection with the ability to collect and exchange data. This research utilizes the IoT network to monitor the growth of koi fish in the pond. By utilizing the NodeMCU microcontroller, temperature and pH sensors, the sensor...
Proceedings Article

Study of Temperature and Use of Catalysts in the Pyrolysis of LDPE Plastic Waste on the Quantity of Oil Fuel Products Produced

Novarini, Rusdianasari, Yohandri Bow, Sigit Kurniawan
Low Density Poly Ethylene (LPDE) plastic waste has no sale value, buried in a landfill. The plastic itself cannot be broken down by microorganisms in the soil, so that people destroy it through incineration. Incineration plastics produce NOx, COx, SOx, particulates, dioxins, furans, and smoke, which...
Proceedings Article

Research on Improved Resolver-to-Digital Conversion Method and Its Application Based on FPGA

Qijia Zheng, Shuping Meng, Sixian Sun, Yang Jiang, Yang Hu
According to the demand of high integration of servo motor control system, a method of resolver-to-digital conversion (RDC) based on FPGA is proposed. This method adopts the technology of synchronous excitation and peak sampling, which can realize the peak sampling of sine signal and cosine signal of...
Proceedings Article

Tripartite Subject Game Research Based on the Engineering, Procurement, and Construction Model

Yulong Xu, Yueming Wang
Through the evolutionary game, this paper selects the general contracting unit, design unit, and construction unit as the tripartite game subjects to investigate the influence of income distribution coefficients on their behavioral strategies, and utilizes MATLAB R2016b for simulation. The results reveal...
Proceedings Article

Measuring E-Service Quality & Webqual 4.0 in ICMS Through Kano Method & Importance-Performance Analysis For Development Strategies

Billy Hartanto, Moses Laksono Singgih
This research focuses on the Palm Oil Company (POC), operating in Indonesia’s palm oil industry, and its implementation of the Integrated Calibration Management System (ICMS) application. The study aims to analyze the quality of the ICMS application and propose alternative solutions based on the quality...
Proceedings Article

Analysis of output oil yield and energy utilization of bulk pumpkin seeds under constant loading

Emir Asyraf Agus, Je Zen Cheong, Nor Hafiy Adli Razali, Abraham Kabutey, David Herák, Idris Bin Ismail
The present study examined a repeated pressing of bulk pumpkin seeds heated at temperatures of 40, 60 and 80 ℃ for 1 hour and compressed under an axial loading at a maximum load of 200 kN and speed of 5 mm/min. The sample temperature of 23 ℃ served as the control. The pressing vessel of diameter 60 mm...
Proceedings Article

Flash-aware Clustered Index for Mobile Databases

Wojciech Macyna, Michal Kukowski
Flash memory become the very popular storage technology. Recently, it may be treated as a main storage memory in mobile devices, PDA and personal computers. However, the architecture based on flash memory has some limitations. They suffer from poor write performance, as the flash blocks must be erased...
Proceedings Article

Utilization of Bottom Ash and Sawdust Waste as a Substitute for Fine Aggregate in Concrete Mix

Kosim Kosim, Zainuddin Zainuddin, Raja Marpaung, Darma Prabudi
Concrete is a split mixture, sand, cement, water, and additives. The concrete to be designed is made of a mixture of cement with bottom ash + sawdust, split, sand, and water. The purpose of this study was to determine the effect of using bottom ash + sawdust and the ratio between bottom ash + sawdust...
Proceedings Article

Research on Response Strategies of O2O Take-Out Platform Merchants Based on Eye Tracking Experiment

Shengchun Ding, Yilin Wang, Linlin Hou, Yue Zhang, Jingyao Cai
This paper explores the different types of negative comments on an O2O beverage takeout platform to find the types of replies consumers pay more attention to and the types of remedies better impacting on consumers’ opinions. This paper employs eye tracking system to capture the eye movement trajectory...
Proceedings Article

Research and Design of Health management system for the elderly

Ran Xu, Yue Cui
With the rapid development of artificial intelligence and data processing technology, products and personalized services based on artificial intelligence have been widely used in different industries. With the accelerated aging of the social population, the current issue of elderly care has become an...
Proceedings Article

Electricity Storage With a Solid Bed High Temperature Thermal Energy Storage System (HTTES) - A Methodical Approach to Improve the Pumped Thermal Grid Storage Concept

Günter Schneider, Hartmut Maier, Jonas Häcker, Simeon Siegele
High Temperature Thermal Energy Storage (HTTES) systems offer a wide range of possible applications. Since electrical batteries such as Li-ion batteries suffer degradation and since complete battery-systems are expected not to fall to low cost levels (IEA-WEO report 2018 [1]) until 2040, it becomes economically...
Proceedings Article

Design of a Parameterized Mannequin Using Rapid Prototyping Technology

Cristian Copilusi, Ionut Geonea, Cristian Vladu, Alexandru Margine
This research addresses to a mannequin design in a parameterized mode similar to a four years old child. The designed mechanical system will be integrated in an active exoskeleton, especially designed for children with locomotion problems. Thus there will be performed measurements for a four years old...
Proceedings Article

The disassembly line balancing problem of type II

Wang Shuwei, Guo Xiuping, Liu Jia
Product disassembly is a vital stage for industrial recycling and remanufacturing which generates the desired parts/subassemblies by means of separation of a product into its elements. After disassembly, reusable parts/subassemblies are cleaned, refurbished, tested and directed to the part/subassembly...
Proceedings Article

A Fuzzy Clustering Mathematical Model for Sub-assemblies Based on Game Theory

Kou Xiaoxi, Cao Yan, Qiao Hu, Wu Yujia
Taking sub-assembly recognition problem as the research object and combining with the mathematical model of sub-assembly recognition algorithm, this paper analyzes the similarity and corresponding mapping between the objective function problem of sub-assembly recognition and the game problem. The object...
Proceedings Article

Prediction of Calorific Value for Coal Gangue Based on the Machine Learning Algorithm

Xiangbin Gao
In order to solve the problems of inconvenience and high cost of coal gangue calorific value measurement, the machine learning algorithm is adopted and applied to the prediction of practical engineering. Firstly, the industrial analysis components and calorific value of coal gangue in Xinjiang are obtained...
Proceedings Article

Comparative Analysis of the Effect of Disposal in Tailings and Waste Rock Piles

Michel Moreira Morandini Fontes, Edna Lizeth Ardila Montilla, Anderson Nascimento Milagres, Gladys Hurtado Aquino, Vanessa Cristina Justino
The disposal of tailings currently represents a major challenge in the Brazilian mining scenario. As a result of the accidents that have occurred in the last decade, the legislation has become increasingly demanding with regard to the disposal processes of these materials. Therefore, new disposal systems...
Proceedings Article

Air-Source Heat Pump with Integrated Latent Heat Storage for Residential Buildings: Concept Development and Design Evaluation

Arash Bastani, Justin Tamasauskas
Heat pumps effectively support electrification and reduce energy consumption associated with building heating and cooling. Air-source heat pumps (ASHP) use the ambient air as a thermal source or sink for the heat pump (HP). ASHPs are the most common form of HP system in Canadian residential buildings...
Proceedings Article

Towards Reproducible Performance of Grid Connected Photovoltaic Battery Storage

Monika Graff, Olaf Wollersheim, Johanna May
Several attempts have been made to define and measure performance parameters of photovoltaic home storage systems. Ideally, performance parameters are accepted by the scientific community as well as by manufacturers, test laboratories and customers. The German industry association for energy storage...
Proceedings Article

Heat pump and thermal storage sizing with time-of-use electricity pricing

Andrew Lyden, Paul Tuohy
Heat pump and thermal storage sizing studies require modelling to ensure capital and operational costs are minimised. Modelling should consider added flexibility, e.g. grid services, sector coupling benefits, e.g. utilising excess wind production, and access to electricity markets, e.g. time-of-use tariffs....
Proceedings Article

CNN and SVM Based Classifier Comparation to Detect Lung Nodule In Computed Tomography Images

I Wayan Budi Sentana, Sri Andriati Asri, Naser Jawas, Anggun Esti Wardani
Convolutional Neural Networks (CNN) are biologically-inspired variants of Multiple Layer Perceptron (MLPs). Meanwhile, support vector machines (SVMs) are supervised learning models with associated learning algorithms that analyze data used for classification and regression analysis. In some research...
Proceedings Article

Titanium Dioxide Soaking Time Effects on DSSC Powers and Efficiency

Rika Musiana, Abu Hasan, RD Kusumanto
The purpose of this study was to study the power and efficiency of Dye Sensitized Solar Cell (DSSC) using extracts of yellow sweet potato (Ipomoea batatas L.) with variations in the soaking time of Titanium Dioxide paste (TiO2) in dye and light intensity. This research used descriptive method with several...
Proceedings Article

Clustering-Based Analysis of E-commerce Customers’ Consumption Behavior in the Post-epidemic Period

Zhengyan Cui
The COVID-19 epidemic in 2020 brought huge changes to the world, causing many people to engage in online shopping and some consumers’ purchasing behavior to change before and after the epidemic. In order to better study the consumption behavior of e-commerce customers in the post-epidemic era, this study...
Proceedings Article

Manufacture of Food Preservatives from Liquid Smoke as By-Product of Processing Coconut Shells (Cocos Nucifera)

Ida Febriana, Jaksen, Desti Lidya, Irawan Rusnadi, Mega Persada Putri, M. Rahman L, Chm M. ‘Azim Jamaluddin
Currently, environmental issue have become national and even international issues, the first is chemical/ food preservatives that must be avoided because they are detrimental to health such as formalin and borax. One of the latest innovations in this research is the use of liquid smoke as a preservative...
Proceedings Article

Technical Condition Evaluation of Urban Class I Special Structure Bridges

Bingjiang Yi
In order to study the reliability of technical condition evaluation method of class I special structural bridges, Taking Chongqing Chaotianmen Yangtze River Bridge as an example, The technical status of Specifications for Maintenance of Highway Bridges and Culverts (JTG 5120–2021), Standards for Technical...
Proceedings Article

Study on wave propagation law of blasting stress and crack evolution characteristics of granite with weak interlayer

Tao Wang
To investigate the influence of weak interlayers in rock mass on the propagation law of blasting stress waves and the propagation characteristics of rock mass blasting cracks, numerical simulation methods were used to study the propagation law of blasting stress waves and the propagation characteristics...
Proceedings Article

Geotechnical Risk and Risk Mitigation in Deep Underground Mines in Hard, Brittle Rock

W. F. Bawden
The paper reviews the challenges, and in some cases, extreme risks commonly encountered when mining at great depth in hard, brittle rock masses. For context, mining at great depth is assumed to imply mining at depths in excess of 1.0 to 1.5 km below ground surface. The paper focuses primarily on rock...
Proceedings Article

Lie symmetry analysis and exact solutions of the (2+1)-dimensional generalized KdV equation

Yu-Shan Bai, Ya-Na Liu
In this paper, the symmetry group method is used to study a new (2 + 1)-dimensional generalized KdV equation. The Lie point symmetries of (2 + 1)-dimensional generalized KdV equation are obtained. Symmetry reductions and several interesting explicit solutions to the (2 + 1)-dimensional generalized KdV...
Proceedings Article

Latent Dirichlet Allocation Modeling for CPS Patent Topic Discovery

Usharani Hareesh Govindarajan, Amy J.C. Trappey, Gopal Kumar
Industry 4.0 is an organized framework to infuse the latest technology in the manufacturing sector. The inclusion of next-generation technologies such as Cyber-Physical Systems (CPS), cloud computing, big data and artificial intelligence approaches increases productivity and manufacturing output in today’s...
Proceedings Article

Study on the Application of Bicycle Special Routes as an Environmental Transportation in the City Area of Palembang Using The Blos Method

Efrilia Rahmadona, Norca Praditya, M. Ade Surya Pratama, Sudarmadji Sudarmadji, Muhammad Iqbal, Arief Perdana Kesuma, Rica Solenne
The special bicycle lane has been inaugurated by the Palembang city government, the mayor of Palembang, in 2020 where the lane is divided into three official routes for bicycle lanes. The government’s purpose to build these three special bicycle lanes is to regulate traffic flow and facilitate cyclists...
Proceedings Article

BLDC motor analysis in software ANSYS Electronics

Jakub Eichler, Tomáš Zvolský
The BLDC motor design is currently greatly simplified by the use of FEM software. This article deals with the possibilities of realizing such a design in the ansys electronics software.
Proceedings Article

Single-Machine Scheduling with Piece-Rate Maintenance, Interval Constrained Processing Times and Rejection Penalties

Lei Jin, Xianyu Yu, Zhuojia Dong
This paper investigates single-machine scheduling problems with piece-rate machine maintenance and rejection penalties, where the actual job processing time is required to be in the given time interval otherwise the extra penalty should be paid. Each job should be decided to be scheduled or rejected,...
Proceedings Article

Research on Optimization Method of Facilities Arrangement Based on Backtracking Search Algorithm

Wei Fengtao, Zhang Yangyang, Shi Yunpeng, LI Junyu
Aiming at the shortcomings such as large amount of manual calculation and subjective factors of designer in the system layout design commonly used in facility layout design. A method of facility layout optimization based on backtracking search algorithm is proposed. The paper takes a library in university...
Proceedings Article

Plastic Waste Shredder

Jan Galík, Robert Kohár, Rudolf Madaj, Peter Stevko
Used plastics are all around us. Their production is excessive and presents a big problem today and an even bigger problem for the future. They are used very often for their positive qualities. Just as the pros also have their negatives. One of the biggest drawbacks is the decomposition time of this...
Proceedings Article

Study on the flow plasticity and permeability of mixed and improved shield residue in water-rich sand layer

Jinlong Wang, Haijun Han, Chaojun Mao, Guobo Liu, Angang Yang
Shield tunneling in water-rich sand layer is prone to problems such as high cutter torque and severe wear, and spiral transporter gushing. Based on this, this paper takes the shield project of Xi’an Metro Line 10 interval as the basis, and carries out the experimental research on the improvement of slag...
Proceedings Article

Investigation of Thermal Behavior of Paraffins, Fatty Acids, Salt Hydrates and Renewable Based Oils as PCM

Evdoxia Paroutoglou, Alireza Afshari, Peter Fojan, Göran Hultmark
Latent heat thermal energy storage (LHTES) using phase change materials (PCM) is a renewable energy solution that is applicable for implementation in space cooling due to its high energy storage density. A novel thermal energy storage which will encapsulate a PCM layer to absorb the rejected heat from...
Proceedings Article

A Study on the Impact of E-Commerce Anchor Interaction Strategy on Consumers’ Willingness to Continue to Buy

Huan-Huan Wang
In this study combed the predecessors about the live webcast, electricity anchor, flow experience and perception can continue to purchase intention of the research and diagnostic basis, could be divided into language humor electricity anchor interaction strategy, responsive, display novel objective four...
Proceedings Article

Research on Emergency Repair Technology of Overhanging Pavement Slabs on Defected Subgrade Caused by Flood

Xiao Yin, Guanming Zhang, Qi Yan, Tingchi Ren
Overhanging pavement slabs on the defected subgrade are mainly caused by flood erosion that partially hollows out the subgrade, which leaves the highway in an unstable condition. This paper develops a kind of emergency repair technology of suspended road slab anchor pulling technology for this type of...
Proceedings Article

Hydrolysis of Glucose from Bamboo with Micro Controller PID type Arduino UNO and Fuzzy Method

Ni Ketut Sari, Dira Ernawati, Intan Yuniar Purbasari, Basuki Rahmat
Glucose needs each year has increased significantly while glucose production has decreased, this is because supplies of the raw materials limited, where bamboo is one of the raw material alternatives to glucose. The selection of bamboo plants based on levels of cellulose which ranges from 42.4%-53.6%,...
Proceedings Article

Effect of Feed Composition and Product Quantity of Co-Processing Refined Bleached Deodorized Palm Oil (RBDPO)

Juarsa, Aida Syarif, Leila Kalsum
The research on Co-Processing Refined Bleached Deodorized Palm Oil (RBDPO) was conducted to examine the Effect of Feed Composition and Product Quantity. It is to provide the competitive renewable fuels in accordance with the government programs to promote Renewable Energy (RE) by utilizing the processing...
Proceedings Article

A Study on the Assessment and Status Quo of Environmental Information Disclosure in China’s Automotive Industry

Linfeng Lu, Ting Zhang, Jia’ang Li, Huanran Liu, Mingnan Zhao
The environmental information disclosure system has now been an effective instrument for the international community in environmental governance, and means a lot to businesses in terms of green transition and ESG and sustainability. This paper takes a hard look at the management status and performance...
Proceedings Article

Multi-actuator Integrated Control Design FOR Freighter Cargo Door

Lin Li, Hao Wu, Zhao Xue, Xiaolu Wang, Shuai Liu, Zhenjin Nie
An integrated airborne Actuator Control Electronics (ACE) based on Field Programmable Gate Arrays (FPGAs) has been designed to control the main cargo door motion of ARJ21-700 converted freighter. This paper illustrates the designing method of the ACE, and analyses the relationship between control timing...
Proceedings Article

Kinematic and Dynamic Analysis of a Mechanism for Assisting Human Locomotion

Ionut Geonea, Cristian Copilusi, Nicolae Dumitru, Alexandru Margine
In this paper we will present a new robotic system designed to assist human locomotion. The purpose of using this exoskeleton is to rehabilitate people with locomotor disabilities. We will present the kinematic diagram of a new mechanism used as the leg of an exoskeleton for rehabilitation. We performed...
Proceedings Article

Investigation on the Optimization Model of Highway Maintenance Construction

Haonan Zhou, Zhoucong Xu, Quanlei Wang, Tianlong Chen, Liqin Long, LI Xia
In order to enhance the efficiency of maintenance construction and improve the capacity and service quality of expressways, a mathematical model was developed to optimize the timing of road closures. This model takes into account factors such as highway tolls, traffic flow, construction costs, and construction...
Proceedings Article

The moderating effect of employee satisfaction and team trust on the positive traits of leaders and firm performance

Yanbo Yang
This paper mainly adopts regression analysis to study the moderating effects of employee satisfaction and team trust on the positive traits of leaders and firm performance. The results show that there is a positive correlation between leaders' positive traits and firm performance. Employee satisfaction...
Proceedings Article

Design and Development of E-commerce Recommendation System Based on Big Data Technology

Jing Gao
E-commerce recommendation system is the key to solve the problem of information explosion and information overload faced by consumers in the process of online shopping, and it is also an important means to tap the potential needs of consumers. Faced with the shortcomings of the current e-commerce platform...
Proceedings Article

Invariance properties of time fractional linear diffusion-wave equations

Nomuun Bayanmunkh, Khongorzul Dorjgotov, Gantulga Tsedendorj, Uuganbayar Zunderiya
We study a class of time fractional diffusion-wave equations with variable coefficients using Lie symmetry analysis. We obtain not only infinitesimal symmetries but also a complete group classification and a classification of group invariant solutions of this class of equations. Group invariant solutions...
Proceedings Article

Self-Adaptive Cybersecurity System

Aradea Aradea, Iping Supriana, Kridanto Surendro, Husni Mubarok, Irfan Darmawan
Complexity of cyberspace environment nowadays, arouse security vulnerabilities for all owned assets. Appropriate way out or solution for every obstacle in a case like this is a must for ICT role. However, user trust for ICT usage raises concerns. Cyberspace environment is caused by rapid increase in...
Proceedings Article

Experimental Study on the Inner Wall Ring Groove of 1J116 Soft Magnetic Alloy Based on Electrochemical Machining

Bian Jianxiao, Ma Baoji, Ai Haihong, Qi Lijun
In this study, electrochemical processing was introduced into the inner wall ring groove of 1J116 soft magnetic alloy to obtain higher processing precision. A single factor experimental study was carried out for the processing and forming laws and mechanisms. The effects of pulse voltage, duty cycle,...
Proceedings Article

Utilization of Remote Sensing Technology for Flood Distribution in Palembang City Web-based

Indrayani Indrayani, Andi Herius, Akhmad Mirza, Arfan Hasan
Construction that continues to be carried out in the city of Palembang, will result in changes to existing land use, more and more swamp areas are stockpiled to build buildings on them, this can certainly have an impact on the reduction of water catchment areas, with the result that when it rains it...
Proceedings Article

Improved Multiuser MIMO Block Diagonalization

Yutao Li, Feng Li, Qingrui Guo, Xuerang Guo, Lin Ma, Bin Wang, Shuqi Qiu
This paper analyzes the status quo of the precoding algorithm, and puts forward a power allocation mode called SINR, which has low computation complexity in the precoding relative to the water-filling power allocation. This algorithm obtains the precoding matrix by SVD singular value decomposition and...
Proceedings Article

Lean Manufacturing to Reduce Production Time for Pressure Vessel Production

Bintang Timur Lazuardi, Moses Laksono Singgih
In a fiercely competitive business landscape, every company must optimize its resources and minimize wastage in the production process. At the Pressure Vessel Company (PVC), a study revealed various areas of waste, including non-compliant raw materials, delayed engineering documents, extended production...
Proceedings Article

Influence of Initial Pressure on Shock Wave Parameters in Large Explosion Wave Simulation Equipment

Chaoyuan Hang, Fei Liu, Kai Xin, Yonghong Gao, Yaoyao Zhang
In the equipment for simulating explosion waves, the ideal test loading curve can be obtained using high-pressure air drive. To investigate the impact of initial pressure on relevant parameters of shock waves in the test section, AUTODYN16.0 software was employed to simulate the propagation process of...
Proceedings Article

Xylitol Used as Phase Change Material: Nucleation Mechanisms of the Supercooling Rupture By Stirring

L. Piquard, E. Gagnière, G. Largiller, D. Mangin, F. Bentivoglio
Owing to its high energy density, Xylitol is a very promising Phase Change Material (PCM) for low temperature applications (< 100°C). However, it presents a high and persistent supercooling that inhibits the latent heat restitution during thermal discharges. Bubbling in the supercooled PCM is known...
Proceedings Article

Comparative analysis of new technologies for dam Deformation monitoring

Xiaochen Xu, Xufeng Zhou, Dan Li, Chunhua Dai, Guochang Ge
In order to analyze the applicability of new dam monitoring technology in dam deformation monitoring, a concrete face rockfill dam was selected, GNSS and machine vision monitoring system were arranged, and traditional monitoring methods were used for comparison. The results show that GNSS monitoring...
Proceedings Article

Resolving a Problem with Cleaning of Tools by the 3I method – a Case Study

Vladimir Sojka, Petr Lepsik
This paper shows a case study of the 3I (Innovation by Increasing Ideality) method to resolve a production-related problem with cleaning distance rings. These rings are used to hold the gap between saw blades during the process of cutting hard crystals. The problem is that sediments are created on the...
Proceedings Article

Making Bioetanol from Glucose Off Grade With Fermentation Process Using Fermiol

Ni Ketut Sari, Khurniawati Khurniawati, Uman Fathoni, Widi Wurjani
Fermentation can be defined as a process of anaerobic oxidation of carbohydrate which produces alcohol and carbon dioxide. Batch fermentation is fermentation system closed, where there is no addition of new media, there are no additions (O2), antifoam, acid/alkaline pH control is done in a way. the fermentation...
Proceedings Article

The Addition of Natural Colour Pigment Brazilin from Sappan Wood Extract (Caesalpinia Sappan Linn) in the Manufacture of Tempeh to Improve Tempeh Product Antioxidant Content

Sofiah Sofiah, Siti Chodijah, Ibnu Hajar, Desti Lidya, Martha Aznury, Wahyuni Sinta Dewi
Sappan wood with the Latin name (Caesalpinia Sappan Linn) is a plant whose wood is used as a colorant in food. Brazillin, is a yellow crystal which is the colour pigment in the cup. Brazillin can inhibit surviving apoptosis inhibitor proteins, so that it is able to cancer. Tannins are components of very...
Proceedings Article

Multi-method Utilization Evaluation of E-commerce Incubation Center

Xin Hai, Mozhi Li, Dandan Zhao
This paper addresses the problem of inaccurate utilization rate of e-commerce incubation centers, Indicators based on service environment, service content, service capacity and social impact, develop outcome and condition variable indicators using fsQCA, and derive e-commerce incubation center assessment...
Proceedings Article

Demonstration of German Energy Transition in Zwickau (ZED) - Presentation of Concept

Dimitri Nefodov, Shengqing Xiao, Thorsten Urbaneck
This paper discusses the general conception of a local district heating system for the implementation of a zero-emission quarter in Zwickau (living lab). The heat supply is to be provided by regenerative energy sources. For this purpose, solar thermal collectors, seasonal thermal energy stores, an electrical...
Proceedings Article

Distribution System Planning with Battery Storage using Multiperiod Optimal Power Flow

Jaap Pedersen, Birgit Schachler, Anya Heider, Guido Pleßmann
The ongoing energy transition introduces new challenges for distribution networks and brings about the need to expand existing power grid capacities. In order to contain network expansion and with it economic costs, utilization of various flexibility options to reduce expansion needs is discussed. This...
Proceedings Article

Tofu Industrial Wastewater Treatment by Electrocoagulation Method

Ibnu Hajar, Fadarina, Mustain Zamhari, Selastia Yuliati
Tofu waste liquid contains high levels of organic impurities, such as protein and amino acids. These organic compounds cause the tofu industrial wastewater to contain high biological oxygen demand (BOD), chemical oxygen demand (COD), pH and total suspended solid (TSS) which can pollute the environment....
Proceedings Article

Experimental Study on Sound Absorption Performance of a New Inorganic Sound-absorbing Material

Maowei Chen, Zhiyan Lin, Weigang Bai, Junwu Xia
A new inorganic sound-absorbing material is proposed with the background of the subways reduce the noise pollution by grouting behind the track wall. By using the standing wave tube method, we investigate the sound absorption coefficients of this new inorganic sound-absorbing material with water cement...
Proceedings Article

Stability and deformation control of deep foundation pits of half covered excavation subway in soft soil

Jianpeng Qin, Jie Yuan, Xiang Xiao, Yiheng Pan
A three-dimensional analysis model was established by finite element simulation to study the deformation and internal force changes of the cover plate, enclosure structure, support system, and surrounding soil during the excavation process of deep foundation pit at the Tatou Station of Fuzhou Metro Line...
Proceedings Article

Design and efficiency analysis of biogas engineering for the mixture of kitchen waste and garden waste

Man Zhou, Lihao Deng, Han Li, Zhiyong Zou
In view of the characteristics of food waste, large volume and constant output in universities, taking a Chinese University as an example, we explored the centralized mode of kitchen waste biogas disposal in universities. The anaerobic fermentation technology is the core of the design, and the "canteen...
Proceedings Article

DLADRC Controller Parameter Tuning Based on IPSO Algorithm for Quadrotor

Yao Boyu, Lu Ping, Yang Seng, Ji Jinjian
ADRC controller has the advantages of simple structure, high precision and strong robustness, which can estimate and compensate the uncertainties and disturbances online. However, in practical application, it is found that the controller contains too many parameters, and the range and tuning direction...
Proceedings Article

Utilization of the Kelekar River Flow as Micro-Hydro Power Plant

Indrayani Indrayani, Aida Syarif, Syahirman Yusi, M. Noviansyah Nugraha, R.C. Ramadhani
The number of rivers scattered throughout Indonesia can certainly be used as an alternative energy source, one of which is micro-hydro power plants, it is a power plant that uses water resources on a small scale as a turbine drive to produce electrical energy, where the generation of this energy is influenced...
Proceedings Article

Design of Load Carrier Composite Reinforcement of Zero Generation of an Electric Car Frame

Ladislav Ševčík, Martina Ryvolová
The aim of the article is to report the methods of solving the construction of the electric car frame. The electric car is designed for movement in the field. This is a functional model marked generation 0. The electric car should move in the field according to the specified trajectories with a load...
Proceedings Article

Self-Adaptive Load Balancing System for Grid Computing

Irfan Darmawan, Aradea Aradea
Load balancing is a necessary way of a computer network infrastructure services, with the aim of balancing of computing resources to achieve optimal load processing time. When this has been many methods that can be used for load balancing techniques, namely by adjusting the load on the computing resources...
Proceedings Article

Tailings Dam’s Safety Assessment Considering Undrained Foundation Failure

Flávia Augusta Padovani, Thiago Bretas
During construction and raising phases of tailings dams, excess pore pressures and localized deformations (plasticization zones) may develop due to applied overloads. Therefore, it can develop an undrained shearing in contractile materials, as tailings and foundation soils. In this case, the design of...
Proceedings Article

Selective Laser Sintering of Ti Alloy Powders for Hip Implants

Florin Isvoranu, Cristina-Marilena Nițu, Ștefan Ilaș, Constantin Țigăneșteanu, Mihăiţă-Costin Călin, Mihaiela Iliescu
Selective Laser Sintering, SLS, is a rapid prototyping technique, based on additive manufacturing. It enables fast, flexible, and efficient manufacturing of complex parts, customized according to the requirements of users. Research results on SLS additive manufacturing technique and its specific materials,...
Proceedings Article

Experimental Study on Methane Yield influenced by Biogas Project Fermentation Temperature

Man Zhou, Luyao Guo, Siqi Liu, Zhiyong Zou
We tried to understand the differences in the biogas production characteristics of anaerobic sludge digestion at moderate and high temperature. Based on the three-stage theory of anaerobic fermentation, using cellulose, glucose and acetate as substrates, this study compared and analyzed the methanogenic...
Proceedings Article

Optimization of Slice Thickness, Drying Method, and Temperature of Turmeric Rhizome (Curcuma Longa L.) Based on Water Content and Functional Compound Degradation

Pirim Setiarso, Nita Kusumawati, Rusijono Rusijono, Supari Muslim
The research of oven-based drying technology on the production process of turmeric rhizome (Curcuma Longa L.) with thickness 0.15 and 0.30 cm have been. A number of parameters, such as slicing thickness, drying methods and temperatures are optimized, to achieve water and functional compounds (essential...
Proceedings Article

Image Processing Application on Automatic Fruit Detection for Agriculture Industry

Tresna Dewi, Rusdianasari Rusdianasari, RD Kusumanto, Siproni Siproni
The robot brings automation to every sector of human life, including agriculture. Automation in agriculture might be the solution to get a higher quality harvest and less dependency on human farming. The most suitable type of robot for harvesting is an arm robot manipulator. The harvesting robot needs...
Proceedings Article

Theoretical and Experimental Investigation of Voltage Current Characteristic, Losses and Self-discharge of a Vanadium Redox Flow Battery System

Richard Beyer, Thilo Bocklisch
The paper describes results of the theoretical and experimental investigation and the modeling of a 5 kW and 15 kWh vanadium redox flow battery system (VRFBS). The first part of the paper presents the dependence of the voltage-current characteristics on state of charge (SOC), temperature, and electrolyte...
Proceedings Article

Magnetic Structure Design for Frictionless Proportional Solenoid Valve Based on Large Leaky Magnetic Circuit

Xu-dong Wang, Shuiming Tan, Zhen Zhang, Liang Zhang, Chen-guang Gao, Huanchun Wang
In the spacecraft micro propulsion system, the proportional solenoid valve of milligram flow is a very important component, which is used to achieve the system pressure and flow proportional adjustment. It is required to reach the high precision and high resolution control of thruster thrust. This paper...
Proceedings Article

The Rise of Domestic Theme Parks in China Compared with Overseas Markets Based on Investigation and Data Analysis

Ziyi Ma, Jiahe Sun, Yijin Xu, Zishan Zou
With the rapid growth of China’s economy and average consumption level, residents’ demand for entertainment and culture other than daily expenses has significantly increased. As a major part of the entertainment market, the theme park industry in China has also been experiencing huge and fast expansion....
Proceedings Article

Temperature analysis of concrete gravity dam of Qianming Reservoir in China during construction

Shenghui Chen, Leilei Xue, Xiaochen Xu
In order to study the temperature process of concrete gravity dam in Qianming Reservoir during construction, temporary temperature monitoring was carried out. The reliability of the temperature monitoring data obtained by the dam permanent temperature monitoring system, such as the temperature during...
Proceedings Article

Application and Explanation of General Geometrical Tolerances According to ISO 22081

Karel Petr
This article is based on new general geometrical tolerances and general size tolerances according to ISO 22081 from year 2021 used in ISO GPS standards. This standard canceled and replaced ISO 2768-2 from year 1989. The main changes are rules for application of general geometrical specification and general...
Proceedings Article

Comprehensive Comparison of Different Models for Large-Scale Thermal Energy Storage

Fabian Ochs, Abdulrahman Dahash, Alice Tosatto, Michael Reisenbichler, Keith O’Donovan, Geoffroy Gauthier, Christian Kok Skov, Thomas Schmidt
Large-scale thermal energy storages (TES) are advantageous to bridge the seasonal gap between heat demand and availability of renewables. However, the high investment costs associated with large-scale TES is still seen as a major barrier. Among others, challenges are space availability and the presence...
Proceedings Article

Effect of Temperature on Biofuels Production With Catalytic Cracking Process

KA Ridwan, M Anerasari, Taufik Jauhari, Ida Febriana
Biofuel is an alternative fuel that can be produced with organic resources such as vegetable oil and animal fat. One of the items that can be converted into biofuels is waste cooking oil. Waste cooking oil has a long hydrocarbon chain that allows it to be cracked. Biofuels are produced by catalytic cracking...
Proceedings Article

Study on Time Series Forecasting Algorithm of Power Users’ Electricity Charges Based on Support Vector Machine

Sha Liu, Rui Guo, Xianying Mu
When forecasting the electricity charges of power users, the accuracy of the forecast results is low because of the correlation between the actual electricity consumption time series. Therefore, the research on the time series forecasting algorithm of power users’ electricity charges based on support...
Proceedings Article

Sensitivity Analysis of Parameters in Simulating the Amplification Effect of Long Period Ground Motion in Basins

Wuping Gao, Yanxiang Yu
In the numerical simulation of the amplification effect of long-term seismic motion in basins, changes in basin parameters often have a relatively significant impact on the simulation results. Based on a simplified model of buried basin structure in North China, this paper conducted a sensitivity analysis...
Proceedings Article

A Comparison of Naïve Bayes and Bayesian Network on The Classification of Hijaiyah Pronunciation with Punctuation Letters

Adiwijaya Adiwijaya, Annisa Riyani, Mohamad Syahrul Mubarok
Arabic is a unique language because it really concerns in makhraj (the way of sound is made) that differentiate letters and words. The difference in pronouncing letters and words make the meaning of those words different, because pronunciation in Qur’an letters really concern in harakat (the length of...
Proceedings Article

Maximum Power Extraction and Pitch Angle Control for Offshore Wind Turbine with Open-Loop Hydraulic Transmission

Fan YaJun, Mu AnLe
This paper aims to extract optimal power from a hydraulic floating wind turbine using torque control and pitch control. When wind speed is below rated value, a nonlinear fuzzy controller is designed to capture maximum wind energy through regulating the displacement of hydraulic pump fixed in nacelle....
Proceedings Article

The Impact of Enterprise Digital Transformation on Industrial Linkages: A Case Study of Listed Companies

RongQian Chen
The digital economy, as an emerging economic form after agriculture and industrial economy, is playing an increasingly important role in social development. Its goal is to achieve industrial automation, which is an important step in the digital power strategy. Based on this, this paper studies the impact...
Proceedings Article

Developing and Stabilizing Salt-Hydrate Composites as Thermal Storage Materials

Gayaneh Issayan, Bernhard Zettl, Walter Somitsch
The success of thermochemical storage technologies is currently defined by sorptive materials. High adsorption heat and kinetics are material properties, which should correspond to application demands, such as utilizable temperature range and cyclability. Following the example of zeolite production in...
Proceedings Article

Combined Development of Epidemic Prevention and Control with Port Facility Security at Cargo Terminal

Weiwei Sun, Xiaoshu Shao
The cargo terminal opened to the international trade has the characteristics of direct contact with ships sailing on international routes, 24-h uninterrupted production, and high mobility of personnel, which has become an extremely important link in the prevention and control of the COVID-19 epidemic....
Proceedings Article

Design of Hydraulic Quick Coupling Using DFA Lucas

Marek Šikola, Petr Lepšík
The paper deals with the design of the hydraulic quick coupling, which is based on specified parameters of international standard ISO 16028. The goal was to simplify the assembly of the quick coupling using innovative methods. Design for Assembly is a method used for reducing the complexity of the assembly,...
Proceedings Article

Seismic stability analysis of folded utility tunnel in loess stratum

Zongyuan Ma, Lei Liu
The finite element and time history analysis method was used to study the dynamic response of a single cabin and folded utility tunnel under seismic conditions, considering the effects of seismic intensity and peak acceleration. The dynamic response characteristics of the utility tunnel assembly connection,...
Proceedings Article

The miscible behaviors and mechanism of crude oil and mixing gas of CO2/N2 (CO2/H2S): a molecular dynamic simulation study

Haonan Li, Qingzhong Xue
Considering the low cost and no corrosion of N2 and the inevitability of H2S generation, CO2/N2 or CO2/H2S injection is seen as a promising approach for enhanced oil recovery. The miscible behaviors of gas mixture and crude oil are studied by molecular dynamic simulations. The results indicate that H2S...
Proceedings Article

Do Major Customers and Suppliers Affect Green Innovation? Empirical Evidence from China

Zhiqi Zheng, Ruixu Tian
In recent years, both enterprises and academia have focused their attention on green innovation, but few studies have explored at the conditions and mechanisms that explain the relationship between major customers (suppliers) and green innovation. Based on the research perspective of supply chain management,...
Proceedings Article

Research and Application of Information Security Offense and Defense Exercise in Electric Power Industry

Mingxuan Li, Zhushi Yang, Ling He, YangXin Teng
The smart grid is a new type of grid integrating traditional grid and information technology. With the rapid development of information technology, information security as a requisite part of information technology is profoundly affecting people's work and life. While the development of science and technology...