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Virtual reality technology for learning detailed design in landscape architecture

Discover Education 2024年第1期3卷 1-15页

作者： Ha, Jaeyoung Alrayyan, Kawthar Alam, M. M. Lekhon Landscape Architecture Program Virginia Tech 121 Burruss Hall 800 Drillfield Drive Blacksburg 24061 VA United States Department of Technology Systems East Carolina University Greenville 27858 NC United States

There is much interest in employing computer technology in design professions and education. However, few attempts have been made to apply immersive visualization technology to learn design details in landscape architecture. This study aims to illuminate how virtual reality (VR) technology helps students with design details in landscape architecture. Students were given a course project to create 3D models such as boardwalk structures located in residential pond areas. Based on their 3D models, we asked 16 research participants to answer survey questionnaires about the perception of realism, scale, and effectiveness of using computer technology in semi-immersive environments (e.g., monitor display-based) as opposed to fully immersive environments (e.g., VR head-mounted display-based). The results of our study showed that students had a higher realism in fully immersive environments compared to semi-immersive environments. In terms of perception of scale, participants perceived the height of the simulated model to be higher than they had anticipated in fully immersive environments. While there were no statistically significant findings regarding the effectiveness of design evaluation in the two modalities, students mentioned that VR technology can effectively assist in creating design details, as it provides them with a better understanding of the spatial characteristics of models. © The Author(s) 2024.

关键词： 3D modeling Architectural construction Design education Desktop-VR Scale perception Virtual reality (VR)

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Adaptive Energy Optimization for Edge-Enabled Autonomous Mobile Robots 16

Adaptive Energy Optimization for Edge-Enabled Autonomous Mob...

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16th International Conference on COMmunication systems and NETworkS, COMSNETS 2024

作者： Mageshkumar, Vincent Baxi, Amit Natarajan, Venkat Murthy, Girish S. Intel Technology India Private Limited Systems Software & Architecture Research Intel Labs Bengaluru India

ISBN: (纸本)9798350383119

In this work, we propose an advanced energy consumption model for an Autonomous Mobile Robots and validate the model on a real-world robot testbed. We show how our model can enable intelligent offloading of computationally heavy functions from the robot to an Edge server, over a wireless network, to minimize robot's energy consumption and maximize operating time on battery. Furthermore, we also present practical scenarios to show how our energy model can enable real-time adaptation of the Edge robotics system to constraints such as compute availability on the Edge server, available wireless network bandwidth, robot-specific camera frame rate requirements, robot navigation speeds and thereby improve robot energy efficiency. We show the benefits of our approach by offloading computationally heavy SLAM function from robot to the Edge server in simulation and through experiments on a real-world hardware testbed. © 2024 IEEE.

关键词： AMR AMR Navigation Autonomous Mobile Robots Edge offload Edge Robotics Energy Efficiency Robotics

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Work-improvement-support technology That Supports Wide-ranging Implementation and Application of Digital Transformation Measures

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NTT Technical Review 2024年第9期22卷 86-92页

作者： Ogawa, Shinji Uchida, Ryou Fukai, Misa Takagi, Ikuko Sakamoto, Masanobu Oishi, Haruo Tsuchikawa, Kimio Wakasugi, Taisuke Collaboration Operation Technology Group Access Network Operation Project NTT Access Network Service Systems Laboratories Japan Intelligent Service Architecture Design Group Human Insight Laboratory Project NTT Human Informatics Laboratories Japan Navigation Technology Group Access Network Operation Project NTT Access Network Service Systems Laboratories Japan Planning Department NTT Information Network Laboratory Group Japan Business Promotion Department NTT Fieldtechno Corporation Japan

To make operations of an organization digital, i.e., digital transformation (DX), companies and local governments are promoting on-site efforts to improve business efficiency using digital technology and the implementation of measures by DX-promotion departments. To further enhance the effectiveness of DX promotion, it is necessary to create a DX cycle in which workers in the field and DX-promotion departments cooperate to efficiently and accurately implement effective DX measures over a wide area. The work-improvement-support technology developed by NTT to meet this necessity is introduced in this article. © 2024 Nippon Telegraph and Telephone Corp.. All rights reserved.

关键词： business analysis DX promotion operations

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Exploration of Early Marriage Among College Students: Health Consequences and Strategic Implications for Biotechnology Firms

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Journal of Commercial Biotechnology 2023年第5期28卷 364-378页

作者： Zhang, Cunquan Tang, Li School of Naval Architecture Ocean and Energy Power Engineering Wuhan University of Technology Wuhan430063 China Intelligent Transportation Systems Research Center Wuhan University of Technology Wuhan430063 China

This study investigates the experiences of married undergraduate students at a Midwestern religious liberal arts institution, with a focus on health consequences of early marriage and strategic implications for biotechnology firms. The study aims to understand the impact of marriage on student engagement and health, examining how married life, interactions with peers, family, and faculty, and involvement in academic and social activities affect students' well-being. Employing a grounded theory approach, the research analyzes the adjustment to married life among college students and its effects on their academic commitment. The findings reveal that marriage introduces complexities such as increased responsibilities and altered social interactions, which could potentially influence students' mental health and academic performance. These factors are critical for biotechnology firms that are developing health and wellness solutions targeted at the college demographic. The study shows that only a small percentage of undergraduate students are married, indicating unique challenges they face, including balancing academic responsibilities with marital life. The relationship quality among these students emerged as a potential factor influencing their academic success and well-being, an aspect crucial for biotechnology companies focusing on mental health interventions. Data from an online survey at a Midwestern college highlights the correlation between marital status and academic performance, with relationship satisfaction and communication playing a negligible role. These insights are vital for biotechnology firms seeking to develop or tailor mental health and wellness programs for this specific group. Furthermore, the adaptation of married students to college life, their social support systems, and levels of marital satisfaction provide a comprehensive understanding of their unique needs and challenges. This knowledge is instrumental for biotechnology firms in creating tar

关键词： Students

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Assessment of Water Volume Allocation in Network Water Supply Tanks Using Hulbert Method 18th

Assessment of Water Volume Allocation in Network Water Suppl...

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18th International Conference Current Issues of Civil and Environmental Engineering Lviv - Košice – Rzeszów, CEE 2023

作者： Rak, Janusz R. Boryczko, Krzysztof Stręk, Magdalena The Faculty of Civil and Environmental Engineering and Architecture Department of Water Supply and Sewage Systems Rzeszow University of Technology Rzeszow Poland

ISBN: (纸本)9783031449543

The collective water supply system (CWSS) belongs to the critical infrastructure. This requires the appropriate level of safety of the water supply system functioning. Diversification of the number of water intakes and allocation of water volume related to the number of network tanks in the distribution system is important to achieve this. Water in water network tanks is stored when the amount of water supplied by the high pressure pumping station exceeds the demand for water, and it is used when there is an increased demand for water in the supplied area. This paper presents a method to evaluate water allocation in network water tanks according to the Stuart H. Hulbert index. The calculation of allocation ratios was presented for 11 selected cities in south-eastern Poland. A scale to assess the degree of water volume allocation in network water tanks were developed. On this basis, an assessment of the degree of allocation of water volume in network water tanks was made in the examined cities. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2024.

关键词： Water tanks

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Bayesian Estimation for Subsurface Models using Spike-and-Slab Prior 8th

Bayesian Estimation for Subsurface Models using Spike-and-Sl...

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8th International Symposium on Reliability Engineering and Risk Management, ISRERM 2022

作者： Shuku, T. Phoon, K.K. Graduate School of Environment and Life Science Okayama University Japan Architecture and Sustainable Design/Information Systems Technology and Design Singapore University of Technology Singapore

ISBN: (纸本)9789811851841

A machine learning method called sparse modelling has received attention in many different fields. One of the method for achieving sparse modelling includes least absolute shrinkage and selection operator (lasso), which has been used for property estimation and layer boundary detection in subsurface modelling. The estimates by lasso, however, are point estimates and do not provide information on the "uncertainties." This study newly developed a Bayesian method for one-dimensional subsurface modelling using a spike-andslab prior. The proposed method was demonstrated through numerical examples on 1D subsurface modelling. The proposed method consistently solved two problems, property estimation and layer boundary detection, with high accuracy and can evaluate the posterior PDF of estimates based on Bayes’ rule. © 2022 ISRERM Organizers. Published by Research Publishing, Singapore.

关键词： Miocene

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Gate-field control of valley polarization in valleytronics

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Chinese Physics B 2024年第6期33卷 2-12页

作者：张婷婷韩依琳张闰午余智明 Institute of Physics Chinese Academy of SciencesBeijing 100190China Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement Beijing Key Laboratory of Nanophotonics&Ultrafine Optoelectronic Systemsand School of PhysicsBeijing Institute of TechnologyBeijing 100081China

Valleytronics materials are a kind of special semiconductors which can host multiple symmetry-connected and wellseparated electron or hole pockets in the Brillouin zone when the system is slightly n or p doped. Since the low-energy particles residing in these pockets generally are not easily scattered to each other by small perturbations, they are endowed with an additional valley degree of freedom. Analogous to spin, the valley freedom can be used to process information,leading to the concept of valleytronics. The prerequisite for valleytronics is the generation of valley polarization. Thus,a focus in this field is achieving the electric generation of valley polarization, especially the static generation by the gate electric field alone. In this work, we briefly review the latest progress in this research direction, focusing on the concepts of the couplings between valley and layer, i.e., the valley–layer coupling which permits the gate-field control of the valley polarization, the couplings between valley, layer, and spin in magnetic systems, the physical properties, the novel designing schemes for electronic devices, and the material realizations of the gate-controlled valleytronics materials.

关键词： band structure electronic transport optical properties spintronics

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Anti-aging performance improvement and enhanced combustion efficiency of boron via the coating of PDA

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Defence technology（防务技术） 2024年第3期33卷 399-410页

作者： Shuai Ma Qinghai Shu Mengyang Zhang Hongyu Huang Yansong Shi Xijuan Lv Shuai Zhao School of Materials Science and Engineering Beijing Institute of TechnologyBeijing100081China Key Lab of Advanced Optoelectronic Quantum Architecture and Measurement(MOE) Beijing Key Lab of Nanophotonics&Ultrafine Optoelectronic SystemsSchool of PhysicsBeijing Institute of TechnologyBeijing100081China Tangshan Research Institute of Beijing Institute of Technology Tangshan063000HebeiChina

Boron is an ambitious fuel in energetic materials since its high heat release values,but its application is prohibited by low combustion efficiency and oxidization during *** polydopamine(PDA)was introduced into boron particles,investigating the impact of PDA content on the energetic behavior of *** results indicated that the PDA coating formed a fishing net structure on the surface of boron *** heat release results showed that the combustion calorific value of B@PDA was higher than that of the raw ***,the actual combustion heat of boron powder in B@10%PDA increased by 38.08%.Meanwhile,the DSC peak temperature decreased by 100.65℃under similar oxidation rate compared to raw ***,the B@PDA@AP and B@AP composites were prepared,and their combustion properties were *** was demonstrated that B@10%PDA@AP exhibited superior performance in terms of peak pressure and burning time,*** peak pressure is 12.43 kPa more than B@AP and burning time is 2.22 times higher than B@***,the coating of PDA effectively inhibits the oxidization of boron during storage and enhances the energetic behavior of boron and corresponding composites.

关键词： Boron particles Polydopamine Anti-aging performance improvement Heat release

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Development and Use of OPC UA Tools for Data Collection and Monitoring of Technological Equipment

Development and Use of OPC UA Tools for Data Collection and ...

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2023 International Russian Smart Industry Conference, SmartIndustryCon 2023

作者： Martinov, Georgi Al Khoury, Akram Issa, Ahed Moscow State University of Technology STANKIN Department of Computer-Architecture Control Systems Moscow Russia

ISBN: (纸本)9781665464291

The aim of this research is to develop a specialized system for collecting and storing CNC machines data considering the possibilities of innovative technologies of OPC UA protocol, in this work an OPC UA information model was proposed and realized in OPC UA server which reflects the logical structure of a CNC machine. This research will present a collecting data method from the digital shadow of CNC system where a complete set of parameters hierarchically structured and transmit the whole set of these parameters through the OPC UA server to production data collection cloud for performing subsequent analyzing, forecasting the state of technological equipment and performing simulation procedures. © 2023 IEEE.

关键词： Data acquisition

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The Practice of Using a SoftPLC to Control the Electromechanical Units of a Training Turning Machine

The Practice of Using a SoftPLC to Control the Electromechan...

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2023 International Conference on Industrial Engineering, Applications and Manufacturing, ICIEAM 2023

作者： Martinov, Georgi Nikishechkin, Petr A. Moscow State University of Technology Stankin Department of Computer-Architecture Control Systems Moscow Russia

ISBN: (纸本)9781665475952

The process of developing a PLC program for controlling the electromechanical units of modern machine tools with computer numerical control (CNC) has been formalized. The architecture of a two-computer CNC system with an integrated SoftPLC is given and the specifics of using the touch operator panel and virtual machine panel are considered. A set of libraries developed in the FBD (Functional Block Diagram) language for controlling the electrical automation units of a turning machine is proposed. An example of controlling the electric automation of a training lathe via the high-speed EtherCAT field bus using relatively inexpensive third-party solutions for servo drives and I/O modules that provide the required accuracy and speed is given. © 2023 IEEE.

关键词： Lathes

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