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Fusion BASED AGV Robot Navigation Solution Comparative analysis and Vrep Simulation 8

Fusion BASED AGV Robot Navigation Solution Comparative Analy...

引用

8th International Iranian conference on Signal Processing and Intelligent systems, ICSPIS 2022

作者： Moshayedi, Ata Jahangir Zanjani, S. Mohammadali Xu, Dangling Chen, Xi Wang, Guijiang Yang, Shuxin Jiangxi University of Science and Technology School of Information Engineering Jiangxi Ganzhou China Islamic Azad University Smart Microgrid Research Center Najafabad Branch Najafabad Iran Islamic Azad University Department of Electrical Engineering Najafabad Branch Najafabad Iran

ISBN: (纸本)9781665476232

Today, Automated Guided Vehicle (AGV) robots are integral to many factories. One of the basic problems of these robots is accurate navigation, which, in addition to creating security in performing tasks, it helps the robot to manage the battery power and energy and move on a predetermined path. Over the various method, the visions are based on good performance, recently been widely used. In this research, a simple but effective fusion method as the combination of vision(camera) and infrared (IR) sensors with the minimum number of sensors is proposed and implemented. the proposed method has been simulated and evaluated using the Vrep simulator with real dimensions of our previous design AGV system named Hongma and the Python API. In the simulation, the proposed method was carried out. In the experiment, five paths named Circle, Elliptical, Spiral,8 shapes, and Special path, different paths with different complexity were tested, and the experiment aimed to find the maximum speed at which the proposed algorithm and the vision sensor (camera sensors) can track the path with a 100% success rate. the results obtained in the experiment show the fusion method's effectiveness over the five mentioned scenarios in tracking the planned path compared to the routine vision method. © 2022 IEEE.

关键词： Computer software

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A Unified Approach to Analyze the Performance of NOMA with Different Grouping Strategies in Downlink 14th

A Unified Approach to Analyze the Performance of NOMA wit...

引用

14th EAI International conference on Wireless and Satellite systems, WiSATS 2024

作者： Li, Jinqiang Luo, Xiaomeng Chen, Hsiao-Hwa Chen, Shuyi Guo, Qing Harbin Institute of Technology Harbin150001 China Beijing System Design Institute of Electro Mechanic Engineering Beijing China National Cheng Kung University Tainan70101 Taiwan

ISBN: (纸本)9783031862021

this paper conducts an analysis and investigation of outage performances and ergodic sum capacity for different users within each cluster in downlink non-orthogonal multiple access (NOMA) systems. Analytical expressions for outage performance and ergodic sum capacity are derived and analyzed. the analysis and simulation demonstrate that NOMA systems with more users in one cluster exhibit higher performance with lower average channel gains, while NOMA systems with fewer users in one cluster exhibit higher performance with higher average channel gains. this suggests the need for different user grouping strategies under varying signal-to-noise ratio conditions, and the fixed user grouping schemes for NOMA systems are inadequate to adapt to complex environments and diverse services. Consequently, this paper brings in the mixed user grouping NOMA systems, which offers greater advantages comparing to orthogonal multiple access (OMA) and conventional NOMA. Finally, this study provides pathways for further research on mixed user grouping in downlink NOMA systems. © ICST Institute for Computer Sciences, Social Informatics and Telecommunications engineering 2025.

关键词： Communication channels (information theory)

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design and Evaluation of Plant Leaf Disease Detection Based on the CNN Classification System 8th

Design and Evaluation of Plant Leaf Disease Detection Based ...

引用

8th International conference on Computers, Management and Mathematical Sciences, ICCM 2022

作者： Ramakrishna, C. Kumar, S. Joy Venkatesh, N. Reddy, Kumbala Pradeep Telangana Hyderabad India Department of CSE St. Mary’s Engineering College Telangana Hyderabad India Department of CS AI University Telangana Warangal India Department CMRIT Telangana Hyderabad India

ISBN: (纸本)9783031511660

To increase agricultural growth, there is a requirement for the detection of plant leaves in the starting stage. In agriculture, disease detection in plants is an important task and having diseases is quite a common thing. To identify the diseases in plants, a continuous observation is needed, which consumes time and necessitates significant human efforts. Programming technique is used to solve this problem and make it as simple as possible. this chapter proposes the design and evaluation of plant leaf disease detection based on the convolution neural network (CNN) classification system, which contributes to a safe, accurate, and reliable system for disease detection in leaves. Here, k-means clustering algorithm and Gray Level Co-occurrence Matrix (GLCM) are used for feature extraction. the CNN Classification technique is used for leaf disease detection, and the accuracy rate is calculated. the leaf disease detection based on CNN presented in this chapter is compared with existing methods and parameters in the result analysis. this system differentiates diseases in plants and provides accurate classification and compares it with existing methods. © the Author(s), under exclusive license to Springer Nature Switzerland AG 2024.

关键词： Convolution

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Notch stress analysis on reinforcing steel bars using FE-simulations considering surface topography and structure properties 8th

Notch stress analysis on reinforcing steel bars using FE-sim...

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8th International conference on Structural engineering, Mechanics and Computation (SEMC)

作者： Rappl, S. Osterminski, K. Tech Univ Munich Munich Germany

ISBN: (纸本)9781003348443

the fatigue behavior of reinforcing steel bars (rebars) is significantly influenced by its surface geometry and thus the manufacturing process. As a result of static or dynamic loads, stress concentrations occur at the feet of transverse ribs. Here, the fillet radius has a significant influence on the resulting notch stresses. In addition to the basic surface design, production and process technology have to be controlled in order to increase the fatigue life of reinforcing steels. A laser-based line scan system (LLS system) was used to generate three-dimensional digital geometric twins of the rebars with high accuracy. the resulting surface models were implemented in a finite element method (FEM) program for linear-elastic finite element simulations. Here, areas of high notch stresses were detected at or near the rib feet. these results were compared with the fracture locations of the fatigue tests of the specimens and the local strength.

关键词： Stress analysis

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design and Implementation of Visualized Marine Landscape Logo based on ARM 8

Design and Implementation of Visualized Marine Landscape Log...

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8th International conference on Mechanical engineering and Automation Science, ICMEAS 2022

作者： Yuan, Jingwen Zhang, Longlong Kim, Chul Soo Pukyong National University Dept. of Marine Design Convergence Engineering Busan Korea Republic of Pukyong National University Dept. of Industrial Design Busan Korea Republic of

ISBN: (数字)9781665463058

ISBN: (纸本)9781665463058

Data explosion is a major challenge in the field of contemporary information science. Data visualization can transform disordered data into graphic images that people can easily understand, and find their rules. Data visualization plays an important role in the study of geographic and marine data. For this reason, this paper studies and analyzes the visual marine identification of marine environment(ME) based on arm. Firstly, the concept of arm and the selection of ARM processor are briefly introduced;the visual design based on ARM ME is discussed and analyzed, including trend chart analysis of real-Time data based on database, Element Visualization Based on space and histogram visualization based on map;Secondly, an ocean model algorithm is proposed;Finally, by testing the performance of the Visual Ocean identification processing mechanism based on arm, the usability and user experience of the remote interactive visualization service supported by this computing mode are tested. the test results show that arm parallel computing processing mechanism has good speedup performance for large-scale data processing of long-Time series. © 2022 IEEE.

关键词： Visualization

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analysis of constructional errors of in-service spatial prestressed steel structures 8th

Analysis of constructional errors of in-service spatial pres...

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8th International conference on Structural engineering, Mechanics and Computation (SEMC)

作者： Zhang, A. L. Wang, J. Zhao, X. Zhang, Y. X. Beijing Univ Civil Engn & Architecture Beijing Adv Innovat Ctr Future Urban Design Beijing Engn Res Ctr High Rise & Long Span Prestr Beijing Peoples R China Beijing Univ Civil Engn & Architecture Beijing Adv Innovat Ctr Future Urban Design Beijing Peoples R China

ISBN: (纸本)9781003348443

the constructional errors of spatial prestress steel structures can greatly impact the structural stability and safety. though structural health monitoring techniques are well developed, the data analysis integrated with the structural performance evaluation require a lot of efforts. the project conducts sensitivity study on constructional errors including deviations of joints, prestress loss of prestressed cables, and deformation of struts. the research data are carefully extracted from a high-fidelity laser measurement point-cloud model of a typical spatial prestressed steel structure. Data lightweight process is conducted to the point-cloud model where key nodes are automatically marked and stored according to the design BIM model. Constructional errors are efficiently characterized and compared with the design model through adapted pattern recognition algorithm. the statistical analysis is conducted to the constructional errors where the statistical models are obtained for future reliability study.

关键词： Errors

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Study on Scheme design and Optimization Strategy of Non-End-Bearing Piled Raft Foundation for Super High-Rise Building 8

Study on Scheme Design and Optimization Strategy of Non-End-...

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8th International Technical conference on Frontiers of Hydraulic and Civil engineering Technology, HCET 2023

作者： Liu, Xiaoping Zhang, Xindong Ren, Baoshuang Xie, Wei Construction Group Co. Ltd. of China Communications Construction Company China

ISBN: (纸本)9781643684642

Taking a super high-rise building as an example, this paper analyzes the determination principles of pile diameter and pile length, characteristic value of vertical compressive bearing capacity of a single pile, and pile arrangement scheme of non-end-bearing piled raft foundation under the core tube. the quick estimation method of pile number under the core tube, and characteristic value of vertical compressive bearing capacity of a single pile is presented at the stage of pile foundation scheme design. Four pile foundation schemes with different pile diameters and different forms of pile arrangement are analyzed and verified by finite element method, and the results show that the quick estimation method is feasible. At the same time, based on the above analysis and optimized design of pile foundation stiffness to reduce differential settlement of pile foundation, the design optimization strategy of reducing the raft thickness and reinforcement under the core tube is put forward. © 2023 the Authors.

关键词： Pile foundations

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Digital transformation path and benefits expectation analysis in highway industry 8

Digital transformation path and benefits expectation analysi...

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8th International conference on Traffic engineering and Transportation System, ICTETS 2024

作者： Li, Wanjun Gao, Jian Yin, Sheng Huang, Yeran Li, Hengyu Zhu, Jierui Guo, Yuqi Research Institute of Highway Ministry of Transport Beijing100088 China State Key Lab of Intelligent Transportation System Beijing100088 China

ISBN: (数字)9781510686298

ISBN: (纸本)9781510686281

After years of evolution, digitalization has been deeply integrated into various sectors, yielding substantial benefits. the advantages of digitalization can be broadly categorized into two types. the first type encompasses the direct gains achieved through digital technologies, such as the optimization of production processes and reduction of operational costs in the manufacturing industry. the second type involves changes in industry or corporate management models driven by digitalization, with benefits that are more about transforming the industry ecosystem and indirect gains that are both creative and uncertain. the decision to undertake digital transformation within an industry or company hinges on whether the value and benefits align with expectations, which is also a crucial measure of the success of digital transformation. this article will focus on the pathways of digital transformation in China's highway industry and the value and benefits derived from it. through the analysis of survey questionnaires, it is discovered that there is a general consensus among different types of enterprises in the highway industry regarding the benefits of digital transformation. the study also establishes a classification system for the value and benefits of highway digitalization and using the example of highway construction survey and design, develops a reference calculation model for value and benefits to support the industry in conducting benefit assessments concurrently with the digital transformation process. © 2024 SPIE.

关键词： Traffic surveys

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Mechanism analysis and Solutions to Tap-Changers Frequent Action Problem of Gaoling Back-to-Back HVDC 8

Mechanism Analysis and Solutions to Tap-Changers Frequent Ac...

引用

8th International conference on Energy System, Electricity, and Power, ESEP 2023

作者： Yin, Jian Pu, Ying Li, Qian State Power Economic Research No. 18 Binhe Avenue Beiqijia Future Science City Beijing102209 China Xu Ji Electric Co. Ltd. No. 1298 Xuji Avenue Henan Province Xuchang City461000 China

ISBN: (数字)9781510679801

ISBN: (纸本)9781510679795

In the Gaoling back-to-back HVDC, there are frequent actions of the converter transformer tap-changer during the power adjustment period. the number of tap-changer actions is significantly higher than the normal design value, and there is invalid reciprocating adjustment of the tap-changer, which brings serious challenge to safe operation of equipment. this paper first studies the principle of tap-changer control of a back-to-back HVDC, and further analyzes the frequent action mechanism of the tap-changer based on the actual operating data of the Gaoling back-to-back HVDC. the RTDS simulation test reproduces the frequent action of the tap-changer, and a solution to control the dead zone reference value by changing the firing angle of the tap-changer on the rectifier side according to the power change state is proposed. Finally, the effectiveness of the solution is verified by the RTDS simulation test. © 2024 SPIE.

关键词： Electric rectifiers

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design and implementation of experimental teaching network public opinion monitoring system based on Rongmedia Cloud platform

Design and implementation of experimental teaching network p...

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International conference on Information systems engineering (ICISE)

作者： Xiulan Duan Faculty of of Literature and Law Wuhan DongHu University Wuhan China

Aiming at the public opinion management needs of Chinese college students, this paper designs a fully-functional experimental teaching network public opinion monitoring system based on Rongmedia cloud platform. Based on Hadoop technology, the data acquisition and data processing module of the system is designed, and the Hdfs distributed file management system of data storage is constructed, which realizes the efficient storage of public opinion data information. MapReduce programming model and semantic analysis algorithm in cloud computing are used to realize topic discovery and public opinion analysis module, so as to complete the analysis of public opinion data information. After testing, the system has stable operation, accurate data analysis and easy deployment, which can meet the needs of public opinion monitoring and management.

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