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4th International Conference on High Performance Big Data and Intelligent Systems, HDIS 2022

作者： Zhang, Yue Wu, Taoyu Zhao, Haocheng Du, Shuang Yu, Limin Wang, Xinheng Xi'An Jiaotong-Liverpool University School of Advanced Technology Suzhou215123 China Artificial Intelligence Department IDPT JITRI Wuxi214000 China Suzhou Inteleizhen Intelligent Technology Co. Ltd Research and Development Department Suzhou215123 China Xi'An Jiaotong-Liverpool University Department of Communications and Networking Suzhou215123 China Xi'An Jiaotong-Liverpool University Department of Mechatronics and Robotics Suzhou215123 China

ISBN: (数字)9781665491440

ISBN: (纸本)9781665491440

In visual SLAM, RGB-D cameras can actively obtain pixel depth information but are expensive and unsuitable for outdoor use. In contrast, monocular depth estimation is relatively inexpensive and more readily available. There have been some systems that fuse monocular depth estimation with SLAM algorithms, but no method that can directly generate depth maps has been tested with experiments. We propose that using monocular depth estimation results can generate 16-bit pseudo depth maps, which can be combined with monocular images as pseudo RGB-D. The relevant camera parameters can be configured according to the general RGB-D camera SLAM requirements. Experiments with Monodepth2 and ORB-SLAM3 on the KITTI dataset demonstrate that pseudo RGB-D can achieve as satisfactory results in SLAM as in stereo computation. The research paves the way for researchers can quickly examine monocular depth estimation results in more SLAM frameworks, reducing the cost of testing new depth monocular estimation frameworks. © 2022 IEEE.

关键词： Cameras

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An Adaptive Overlap-based ICP Algorithm for Multi-LiDAR Calibration in Low-overlap Situations 4

An Adaptive Overlap-based ICP Algorithm for Multi-LiDAR Cali...

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4th International Conference on High Performance Big Data and Intelligent Systems, HDIS 2022

作者： Li, Hanlin Yuan, Huajun Zhao, Haocheng Zou, Bin Yu, Limin Wang, Xinheng School of Advanced Technology Xi'An Jiaotong-Liverpool University Suzhou215123 China Department of Artificial Intelligence IDPT JITRI Wuxi214000 China Department of Research and Development Suzhou Inteleizhen Intelligent Technology Co. Ltd Suzhou215123 China Department of Communications and Networking Xi'An Jiaotong-Liverpool University Suzhou215123 China Department of Mechatronics and Robotics Xi'An Jiaotong-Liverpool University Suzhou215123 China

ISBN: (数字)9781665491440

ISBN: (纸本)9781665491440

LiDAR has been widely used as a core sensor in autonomous driving and mobile robotics. Due to the high price of spinning LiDARs, the industry always uses a combination of multiple calibrated solid-state LiDARs. However, there is usually only a small overlap FoV between LiDARs on account of their mounting positions. In such a low-overlap situation, conventional calibration methods always bring catastrophic results. To solve this problem, this paper proposed an adaptive overlap-based ICP algorithm, which can calibrate both 2D and 3D LiDARs. The algorithm adaptively extracts the overlapping point clouds by identifying the correct matching results and constructs an optimized ICP alignment. By controlling the radius range of the point cloud search, our method allows for quick extrinsic calibration of two LiDARs with low-overlap FoV. Experiments show that our algorithm achieves a more robust and accurate low-overlap registration than other methods, and also has speed advantages in general situations. © 2022 IEEE.

关键词： Calibration

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Classifying Immature fruit Using Brewster's Angle

Classifying Immature fruit Using Brewster's Angle

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13th International Electrical Engineering Congress, iEECON 2025

作者： Chantasen, Nattawat Chomdee, Pongsathorn Talubnak, Chulalak Luadang, Bancha Kittiyanpunya, Chainarong Rajamangala University of Technology Phra Nakhon Faculty of Engineering Department of Computer Engineering Bangkok Thailand Navamindradhiraj University Community Development College Department of Technology Urban Bangkok Thailand Chandrakasem Rajabhat University Faculty of Agriculture and Life Sciences Department of Agriculture Bangkok Thailand Rajamangala University of Technology Rattanakosin Faculty of Engineering Department of Instrumentation Engineering Nakhon Pathom Thailand Rajamangala University of Technology Rattanakosin Faculty of Engineering Department of Mechatronics Engineering Nakhon Pathom Thailand

ISBN: (纸本)9798331543952

This paper presents a nondestructive technique to classify immature fruits. An identification methodology is based on Brewster's angle to determine the stage of maturity of a fruit, which can be obtained from angle of incidence where the least reflection occurs. In addition, Brewster's angle technique is applied with dual frequency system. The simulation results show that Brewster's angle changes with the stage of maturity of the fruit. © 2025 IEEE.

关键词： Brewster's angle dual-band antenna fruit classification microwave sensor

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Classifying Immature fruit Using Brewster’s Angle

Classifying Immature fruit Using Brewster’s Angle

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International Electrical Engineering Congress (iEECON)

作者： Nattawat Chantasen Pongsathorn Chomdee Chulalak Talubnak Bancha Luadang Chainarong Kittiyanpunya Department of Computer Engineering Faculty of Engineering Rajamangala University of Technology Phra Nakhon Bangkok Thailand Department of Technology Urban Community Development College Navamindradhiraj University Bangkok Thailand Department of Agriculture Faculty of Agriculture and Life Sciences Chandrakasem Rajabhat University Bangkok Thailand Department of Instrumentation Engineering Faculty of Engineering Rajamangala University of Technology Rattanakosin Nakhon Pathom Thailand Department of Mechatronics Engineering Faculty of Engineering Rajamangala University of Technology Rattanakosin Nakhon Pathom Thailand

ISBN: (数字)9798331543952

ISBN: (纸本)9798331543969

This paper presents a nondestructive technique to classify immature fruits. An identification methodology is based on Brewster’s angle to determine the stage of maturity of a fruit, which can be obtained from angle of incidence where the least reflection occurs. In addition, Brewster’s angle technique is applied with dual frequency system. The simulation results show that Brewster’s angle changes with the stage of maturity of the fruit.

关键词： Microwave antennas Electrical engineering Simulation Dual band Microwave sensors Sensor systems Reflection Sorting

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Wavelength assignment in optical fiber with intelligent optimization and assignment scheme for static and dynamic traffic intensity based Photonic networks

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Optical and Quantum Electronics 2022年第8期54卷 1-20页

作者： Kumar, B. Muthu Guduru, Rama Krishna Reddy Srinivas, Azmeera Ana, Farkhanda Ramudu, Kama Dhiman, Gaurav School of Computing and Information Technology REVA University Bengaluru India Institute of Mechatronics Kaunas University of Technology Kaunas 44249 Lithuania Electronics and Communication Engineering Kakatiya Institute of Technology and Science Telangana Warangal 506015 India Department of Electronics and Communication Engineering Baba Ghulam Shah Badshah University J&K Rajouri India Department of Computer Science and Engineering University Centre for Research and Development Chandigarh University Mohali Gharuan India Department of Computer Science and Engineering Graphic Era Deemed to be University Dehradun India

Photonic Integrated Circuits (PIC) make it possible to meet expanding demand for internet communication systems, which is growing at a pace of roughly 40% each year. The increase in video traffic on internet network is primarily responsible for this growth. This research propose novel technique in wavelength allocation with optimization of optical fibre and traffic intensity optimization for photonic networks in both static and dynamic schemes. Here the wavelength has been allocated using optical doped amplifier with wavelength differential evolution based optimization algorithm (Damp_WaDiff_EvolOpt). The traffic intensity has been optimized in static and dynamic photonic network using optical bandwidth based routing spectrum allocation (Opt_Band_RSA). For test optical networks with up to 40 nodes, proposed technique is assessed. Experiments indicate that the Damp_WaDiff_EvolOpt_ Opt_Band RSA method produces results that are equal to lower bound of the network wavelength requirement (NWR) for networks with and without wavelength conversion capability, while reducing average path length (APL). From fitness of objective function of Damp_WaDiff_EvolOpt_Opt_Band_RSA, best routing path as well as availability of wavelength for a node is analysed at every time instant. Proposed technique obtained BP of 89%, throughput of 98%, time delay of 25%, and QoS of 97%, NWR of 62% and APL of 70%. © 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

关键词： Optical bandwidth Optical fibre Optimization Photonic integrated circuits Spectrum allocation Wavelength allocation

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Total Quality Management Implementation in the Mobile Network Operations Centre: A Systematic Literature Review

Total Quality Management Implementation in the Mobile Networ...

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Science, Engineering and Business for Sustainable development Goals (SEB-SDG), International Conference on

作者： Keabetswe Mogase Ilesanmi Daniyan Ale Felix Khumbulani Mpofu Department of Industrial Engineering Tshwane University of Technolology Pretoria South Africa Department of Mechanical & Mechatronics Engineering Achievers University Owo Nigeria Engineering & Space Systems National Space Researcj & Development Agency Abuja Nigeria Department of Industrial Engineering Tshwane University of Technology Pretoria South Africa

ISBN: (数字)9798350358155

ISBN: (纸本)9798350358162

The implementation of Total Quality Management (TQM) can enhance the operational efficiency of the telecommunication industry including the mobile network operational centres (NOC). This study employs a systematic literature review (SLR) to probe the impact of TQM on telecommunications and network operations centres (NOC) in order to establish facts and reach new conclusions. Literature is reviewed using keywords and relevant articles are selected based on the inclusion and exclusion criteria and a total of 50 articles were reviewed after the implementation of the inclusion and exclusion criteria. Thereafter, a TQM framework is developed for the NOC department, focusing on fault management of 5G transmission faults. This helps gain insights into TQM in a telecommunication NOC. It reveals what TQM tools, principles and methods that can be incorporated in the NOC for fault management of 5G transmission faults.

关键词： Industries 5G mobile communication Surveillance Focusing Data visualization Data collection Communications technology

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Use of geometrical product specifications in the structural design of second generation bearing hub unit

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Transportation Research Procedia 2023年 74卷 486-492页

作者： Stanisław Adamczak Marek Gajur Krzysztof Kuźmicki Departament of Mechatronics and Mechanical Engineering Kielce University of Technology al. Tysiąclecia Państwa Polskiego 7 25-314 Kielce Poland Research and Development Fabryka Łożysk Tocznych Kraśnik S.A. ul. Fabryczna 6 23-204 Kraśnik Poland

The article discusses selected issues of the application of ISO GPS standards and their use in defining the specifications of designed products. Their importance in meeting the functional requirements specified by the designer and expected by the user is highlighted. This was presented on the example of a comparative analysis of the design of a second-generation composite bearing hub, which is a modification of a double-race angular contact ball bearing. A comparison of the ways in which the requirements of the more important dimensions are specified was made according to ISO 492:2002 and ISO 492:2014. Verification of the requirements description according to the GPS will be carried out during the manufacturing process of the bearing hub unit.

关键词： geometrical product specification GPS dimensioning tolerance bearing hubs

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Use of product geometry specifications in the design of 3rd generation combined bearing hubs

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Transportation Research Procedia 2023年 74卷 480-485页

作者： Stanisław Adamczak Krzysztof Kuźmicki Marek Gajur Departament of Mechatronics and Mechanical Engineering Kielce University of Technology al. Tysiąclecia Państwa Polskiego 7 25-314 Kielce Poland Research and Development Fabryka Łożysk Tocznych Kraśnik S.A. ul. Fabryczna 6 23-204 Kraśnik Poland

This article is an excerpt from the development of the technological process and implementation into production of a third-generation automotive hub assembled with a tapered roller bearing. The article addresses the use of ISO GPS standards and their application in determining geometric tolerances of a bearing hub. Their role in ensuring that the functional requirements specified by the designer and expected by the user are met is indicated. Using selected specifications as an example, the application of ISO GPS standards and their interpretation is shown. The paper uses four ISO GPS standards to define the dimensional and geometric characteristics of a combined bearing hub. These specifications will then be verified when the hub is put into production. For this purpose, a trial batch of third-generation combined bearing hubs will be produced. The conclusions point to the need for a standard dedicated to combined bearing hubs. along the lines of or in addition to ISO 492, which relates to rolling bearings. This need arises from the increasing popularity of the use of combined bearing hubs in automotive vehicles. The complexity of hub designs and their impact on fuel consumption and, above all, safety, makes bearing hubs a highly responsible component. The lack of a standard dedicated to combined bearing hubs forces designers to have, know and apply up to a dozen standards when designing combined bearing hubs.

关键词： rolling bearings geometrical product specification ISO GPS tolerance bearing hubs

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A Comparative Study on Nonlinear Control of Induced Sit-to-Stand in Paraplegia with Human Mass Variation

A Comparative Study on Nonlinear Control of Induced Sit-to-S...

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Innovative Manufacturing, mechatronics and Materials Forum, iM3F 2020

作者： Ahmed, Mohammed Huq, M.S. Ibrahim, B.S.K.K. Tahir, Nura Musa Ahmed, Zainab Elhassan, Garba Department of Electrical and Electronics Engineering Abubakar Tafawa Balewa University BauchiP. M. B. 0248 Nigeria Department of Mechatronics Engineering Institute of Technology Sligo Sligo Ireland School of Mechanical Aerospace and Automotive Engineering Coventry University Coventry United Kingdom Department of Mechatronics and Systems Engineering Abubakar Tafawa Balewa University BauchiP. M. B. 0248 Nigeria Yelwan Makaranta Opposite School of Agriculture Bauchi Nigeria National Space Research and Development Agency Abuja Nigeria

ISBN: (纸本)9789813345966

Presented is an assessment of the effects of changes in global human for the regulation of Functional Electrical Stimulation (FES) revived sit-to-stand (STS) using three nonlinear control methods. The techniques are the Sliding Mode Control (SMC), Feedback Linearized Control (FLC), and Back Stepping Control Approach. Literature indicates the necessity of improving the system of which applications control has shown such ability. The analytical STS model uses the four segments. Six order polynomial was harnessed for trajectory planning. The work was aimed at relaxing the effect of the variation in human masses such that there will be no need changing parameters when using the device for different subjects. The results indicated the ability of the control schemes to curtail the perturbations and to regulate the system with minimal errors while maintaining the stability as well. Responses closeness to the desired transition trajectories during the movement and without any disturbance are evident from the results obtained. It was also accomplished within the recommended settings of the stimulation parameters with high levels of robustness, which are highly greater than that of a 2% error margin usually considered. Therefore, indicating the likelihood of the methods for the FES induced STS system for greater performance with the BSC being the best. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Sliding mode control

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Simulation and Analysis of Congestion in Vehicle Networks by Using Machine Learning Framework 2

Simulation and Analysis of Congestion in Vehicle Networks by...

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2nd IEEE International Conference on Advances in Computing, Communication and Applied Informatics, ACCAI 2023

作者： Gupta, Raj Kumar Kumari, R. Krishna Anbu, C. Meganathan, R. Rajah, A. Joseph Lourdu Dobhal, Dinesh Chandra Sardar Vallabhbhai Patel College Department of Physics Bihar Bhabua821101 India College of Engineering and Technology Srm Institute of Science and Technology Department of Career Development Centre Tamil Nadu Kattankulathur603203 India Kongu Engineering College Department of Mechatronics Engineering Tamil Nadu Erode638060 India Koneru Lakshmaiah Education Foundation Department of Computer Science and Engineering Andhra Pradesh Vaddeswaram22302 India Department of English Tamil Nadu Dindigul624622 India Graphic Era Deemed to Be University Department of Computer Science and Engineering Uttarakhand Dehradun248002 India

ISBN: (纸本)9798350315905

The bottleneck networks of the progression of vehicular traffic need an exhaustive cognizance and bits of knowledge of the factors that cause congestion, which characterizes the second and spot of traffic breakdown. The organization becomes clogged because of the rising number of vehicles out and about. Many exploration studies have been directed to resolve the issues. Functional examination, specifically the plan, investigation, and the board of the traffic stream dynamic, appears to esteem re-enactment and demonstrating to the connected difficulties. To reduce gridlock for a smooth and low-thickness traffic stream framework, this work focused on a reproduction model for vehicular traffic stream. In this review, a congestion-mindful message (CAM) in view of vehicle ID is introduced for guide signals in a vehicle setting. The overhauled vehicle ID-based investigation model is introduced at first at the Macintosh convention of the vehicle climate. The model loads the randomized back-off numbers chosen by the autos taking part in the back-off strategy utilizing the vehicle ID implanted in every one of their one-of-a-kind CAMs. Because of the indistinguishable back-off number, this outcome in the recognizable proof of a vehicle ID-based randomized ease-off code, which brings down the gamble of a crash. In this review, traffic thickness-based congestion the board calculation (TDCCA) using machine learning is proposed. While only one-fourth of the congestion window is utilized in the trial, the better numerical method beats the prior work's general parcel dormancy. To expand the viability of the model boundaries, the exploration utilizes the congestion the board method that changes the pace of CAM broadcast across the host controller. © 2023 IEEE.

关键词： Vehicles

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