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2023 IEEE International Conference on Control, Electronics and Computer Technology, ICCECT 2023

作者： Yao, Yuan Feng, Zhenji An, Zhenyi University Taiyuan School of Electric Power Civil Engineering and Architecture Shanxi China Shanxi University School of Automation and Software Engineering Taiyuan China

ISBN: (纸本)9798350399028

Research related to the problem of automatic parking of driverless passenger vehicles is of great importance, and this paper presents a series of studies on the path planning problem of automatic parking of driverless passenger vehicles. For Problem 1, three physical problems are solved: solving for the minimum turning radius, the shortest distance required, and the limiting relationship between the magnitude of curvature change on the path relative to the path length under the respective conditions. The structural Ackermann physical model involved in this driverless bus is analyzed in depth, and with the help of the differential equation system model and related physical concepts and formulas, a car motion model is established, and the minimum turning radius of 4.9947 m and the minimum distance of 5.23 m are successfully solved. The mathematical model of parking from the initial position to the specified parking space under the specified conditions is required. After analyzing the basic models of the Ackermann model, such as state equations, path smoothing and trajectory generation, the relevant mathematical models for solving the critical conditions were established and the RRT algorithm was used to build the model. Finally, the resultant model is obtained by MATLAB. © 2023 IEEE.

关键词： Motion planning

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Cloud-based recognition technology for building crack

Cloud-based recognition technology for building crack

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2014 International Conference on Manufacturing Technology and Electronics Applications, ICMTEA 2014

作者： Jin, Man Zheng, Wen Kui College of Software Henan University KaifengHenan China College of civil engineering and architecture Henan University KaifengHenan China

ISBN: (纸本)9783038353287

Problem of identifying building crack is studied to provide technical support for the construction quality. In the building, building crackis an important factor affecting the construction quality. This paper presents a building crack recognition method based on cloud computing. Cloud model is established to pretreat the acquired building image, so as to improve image quality, and perform construction cracks identificationaccording to the processed image. Experimental results show that the improved algorithm for cracks construction identification can improve the recognition accuracy. © (2014) Trans Tech Publications, Switzerland.

关键词： Cracks

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Stochastic Algorithms: Foundations and Applications 1

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丛书名： Lecture Notes in Computer Science

1000年

作者： Kathleen Steinhöfel

ISBN: (数字)9783540453222

ISBN: (纸本)9783540430254

SAGA 2001, the ?rst Symposium on Stochastic Algorithms, Foundations and Applications, took place on December 13–14, 2001 in Berlin, Germany. The present volume comprises contributed papers and four invited talks that were included in the ?nal program of the symposium. Stochastic algorithms constitute a general approach to ?nding approximate solutions to a wide variety of problems. Although there is no formal proof that stochastic algorithms perform better than deterministic ones, there is evidence by empirical observations that stochastic algorithms produce for a broad range of applications near-optimal solutions in a reasonable run-time. The symposium aims to provide a forum for presentation of original research in the design and analysis, experimental evaluation, and real-world application of stochastic algorithms. It focuses, in particular, on new algorithmic ideas invo- ing stochastic decisions and exploiting probabilistic properties of the underlying problem domain. The program of the symposium re?ects the e?ort to promote cooperation among practitioners and theoreticians and among algorithmic and complexity researchers of the ?eld. In this context, we would like to express our special gratitude to DaimlerChrysler AG for supporting SAGA 2001. The contributed papers included in the proceedings present results in the following areas: Network and distributed algorithms; local search methods for combinatorial optimization with application to constraint satisfaction problems, manufacturing systems, motor control unit calibration, and packing ?exible - jects; and computational learning theory.

关键词： Probability Theory and Stochastic Processes Algorithm Analysis and Problem Complexity Computation by Abstract Devices Discrete Mathematics in Computer Science Combinatorics Probability and Statistics in Computer Science

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Quantification of Building Envelope Heat Losses on a District Level for Comparative Renovation Strategies Assessment 13

Quantification of Building Envelope Heat Losses on a Distric...

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13th Nordic Symposium on Building Physics, NSB 2023

作者： Arumagi, Endrik Hallik, Jaanus Pikas, Ergo Kalamees, Targo Liiv, Innar Kisel, Einari Department of Civil Engineering and Architecture TalTech Tallinn Estonia TalTech Tallinn Estonia Department of Software Science TalTech Tallinn Estonia

A renovation wave calls for an integrated, participatory, and neighbourhood to neighbourhood approach tailored to the local environments. This can be hindered by the lack of geometric and performance input data about the existing building stock. Depending on the Level of Detail (LOD) of buildings in national registries the calculation results for heat loss and energy performance differ. This paper aims to analyse the impact of LOD on heating energy demand (HED) and energy performance value (EPV) using existing data from the building registry and digital twin model. As a rule, compared to the calculations based on project data or to the measured energy consumption, the calculations based on the LOD building geometry overestimate the HED and EPV. When comparing different LOD, using the same building sample, the difference between heating energy demand (HED) and energy performance value (EPV) ranges from 1% to 57% and 1% to 41% (complex geometry) or from 2% to 7% and 2% to 5% (unsophisticated geometry) accordingly. The results exhibit a good correlation of the discrepancy between the difference in the shape of LOD and the building in the reality and show that the more complex the shape of the buildings, the more important it is to use highest LOD possible. Pooling the building envelope heat loss calculation on a district level improves accuracy on average allowing better assessment of comparative renovation strategies. © Published under licence by IOP Publishing Ltd.

关键词： Heat losses

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Participatory exploration of digitalizing cultural content: Getting married. Are we ready? 14

Participatory exploration of digitalizing cultural content: ...

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13th Participatory Design Conference, PDC 2014

作者： Rodil, Kasper Winschiers-Theophilus, Heike Kapuire, Gereon Koch Stanley, Colin Chivuno-Kuria, Shilumbe Aalborg University Dept. Architecture Design and Media Technology Denmark Polytechnic of Namibia Dept. Software Engineering Namibia

ISBN: (纸本)9781450327398

This paper describes a joint investigation of a Herero wedding ceremony as a sample of cultural content to be digitalized. We have through participatory exploration scrutinized embodied media bias and representation with Herero elders in Namibia. One finding is that this method has enabled the elders to be active agents in the digital portrayal of their culture. Copyright is held by the owner/author(s).

关键词： cultural content participatory design Namibia digital storytelling

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Integrating virtual reality technology into architecture education: the case of architectural history courses

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Open House International 2021年第4期46卷 498-509页

作者： Ibrahim, Anwar Al-Rababah, Amneh Ibrahim Bani Baker, Qanita Department of Architecture Jordan University of Science and Technology Irbid Jordan Department of Computer Science and Software Engineering Jordan University of Science and Technology Irbid Jordan

Purpose: Virtual reality (VR) technology invaded various domains including architecture practice and education. Despite its high applications in architecture design education, VR has a high potential to be used in architectural history courses as well. This paper aims to examine the effect of using VR technology on the students’ learning abilities of history of architecture. Design/methodology/approach: The experimental approach was used. Two experiments were designed by creating virtual environments for two selected architectural examples from the Modern architecture course. The participants who were students of Modern architecture class had to complete two questionnaires, one for each example. The first one was based on Bloom’s taxonomy, and the other was prepared to test the participants’ analytical and critical skills. Besides, participants had to fill out satisfaction and ease-of-use survey on a five-step Likert scale. Findings: Participants in the VR condition achieved better grades in knowledge gain compared to those in the traditional conditions. Their analytical and critical thinking skills were improved in the VR conditions. Gender has a significant impact on analytical and critical thinking skills. Participants recorded a high level of satisfaction;however, male students were more satisfied than female students who reported concerns about the weight of the used tools and nausea symptoms. Research limitations/implications: This study informs architecture education and provides insights into the potentials of using advanced technology in architectural history education. Teaching the various history of architecture courses will be improved, shifted toward a more student-centered curriculum, and may acquire more excitement and conscious curiosity. Originality/value: Using VR in architectural education is rigorous in architectural design courses and students’ design projects’ presentations. This research expands architectural education research by examining ot

关键词： Architectural education Bloom’s taxonomy Built environment tectonics and technologies History of architecture VR technology

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Autonomous Network Assurance in Intent Based Networking: Vision and Challenges 32

Autonomous Network Assurance in Intent Based Networking: Vis...

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32nd International Conference on Computer Communications and Networks, ICCCN 2023

作者： Leivadeas, Aris Falkner, Matthias Dpt. of Software Engineering and It Montreal Canada Global Service Provider Architecture Cisco Systems Inc. Ottawa Canada

ISBN: (纸本)9798350336184

Intent Based Networking (IBN) is a new paradigm that promises to create autonomous networks that can comply to high-level intents of network users and exhibit self-adaptation and self-optimization properties. The major IBN component to achieve this is network assurance. The assurance has as a goal to autonomously trigger corrective actions, whenever the conditions of the network do not allow to fulfill the performance requirements of its users. Accordingly, network assurance is expected to be largely based on monitoring and telemetry processes running conjointly with state of the art Artificial Intelligence techniques that will set off remedy solutions to bring the network into a compliance state. Given the importance of IBN and network assurance into the designing of autonomous networks, this paper introduces the main architectural components and technologies needed to achieve this visionary evolution of next generation networks. Particular emphasis is placed on how the network can interact with the end users and network operators in an easy way as mandated by the IBN premises. Finally, light is shed on the open challenges and future directions of this novel but unexplored research topic. © 2023 IEEE.

关键词： Next generation networks

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Cloud-based recognition technology for building crack

Cloud-based recognition technology for building crack

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International Conference on Machine Tool Technology and Mechatronics engineering, ICMTTME 2014

作者： Jin, Man Zheng, Wen Kui College of Software Henan University Kaifeng Henan China College of civil engineering and architecture Henan University Kaifeng Henan China

ISBN: (纸本)9783038352464

关键词： Cracks

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Efficient Algorithm for Energy-Aware Virtual Network Embedding

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Tsinghua Science and Technology 2016年第4期21卷 407-414页

作者： Shuxian Jia Guiyuan Jiang Peilan He Jigang Wu School of Computer Software Technology Zhejiang University Ningbo 315048 China School of Computer Science and Engineering Nanyang Technological University 639798 Singapore State Key Laboratory of Computer Architecture Institute of Computing Technology Chinese Academy of Sciences Beijing 100190 China

Network virtualization is a promising approach for resource management that allows customized Virtual Networks （VNs） to be multiplexed on a shared physical infrastructure. A key function that network virtualization can provide is Virtual Network Embedding （VNE）, which maps virtual networks requested by users to a shared substrate network maintained by an Internet service provider. Existing research has worked on this, but has primarily focused on maximizing the revenue of the Internet service provider. In this paper, we consider energy-aware virtual network embedding, which aims at minimizing the energy consumption for embedding virtual networks in a substrate network. In our optimization model, we consider energy consumption of both links and nodes. We propose an efficient heuristic to assign virtual nodes to appropriate substrate nodes based on priority, where existing activated nodes have higher priority for hosting newly arrived virtual nodes. In addition, our proposed algorithm can take advantage of activated links for embedding virtual links so as to minimize total energy consumption. The simulation results show that, for all the cases considered, our algorithm can improve upon previous work by an average of 12.6% on acceptance rate, while the consumed energy can be reduced by 12.34% on average.

关键词： virtualization technology virtual network embedding energy efficient optimization algorithm

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Scalable multi-core simulation using parallel dynamic binary translation

Scalable multi-core simulation using parallel dynamic binary...

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2011 11th International Conference on Embedded Computer Systems: architectures, Modeling and Simulation, IC-SAMOS 2011

作者： Almer, Oscar Böhm, Igor Von Koch, Tobias Edler Franke, Björn Kyle, Stephen Seeker, Volker Thompson, Christopher Topham, Nigel Institute for Computing Systems Architecture University of Edinburgh United Kingdom Software Engineering for Embedded Systems Group Technical University Berlin Germany

ISBN: (纸本)9781457708008

In recent years multi-core processors have seen broad adoption in application domains ranging from embedded systems through general-purpose computing to large-scale data centres. Simulation technology for multi-core systems, however, lags behind and does not provide the simulation speed required to effectively support design space exploration and parallel software development. While state-of-the-art instruction set simulators (Iss) for single-core machines reach or exceed the performance levels of speed-optimised silicon implementations of embedded processors, the same does not hold for multi-core simulators where large performance penalties are to be paid. In this paper we develop a fast and scalable simulation methodology for multi-core platforms based on parallel and just-in-time (Jit) dynamic binary translation (Dbt). Our approach can model large-scale multi-core configurations, does not rely on prior profiling, instrumentation, or compilation, and works for all binaries targeting a state-of-the-art embedded multi-core platform implementing the ARCompact instruction set architecture (Isa). We have evaluated our parallel simulation methodology against the industry standard Splash-2 and Eembc MultiBench benchmarks and demonstrate simulation speeds up to 25,307 Mips on a 32-core 86 host machine for as many as 2048 target processors whilst exhibiting minimal and near constant overhead. © 2011 IEEE.

关键词： Embedded systems

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