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检索条件"任意字段=Conference on Design and Engineering of Optical Systems II"

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Pest Control in Agriculture Using LED Light Technology Based on High Spectral Imaging 24

Pest Control in Agriculture Using LED Light Technology Based...

引用

2nd International conference on Artificial Intelligence, systems and Network Security, AISNS 2024

作者： Xu, Weiwei Yu, Shiwen Wang, Yufei Qin, Tingting Yin, Ziqiang Zhu, Minghui Zhu, Shuwen School of Electrical and Information Engineering Jilin Engineering Normal University Jilin Changchun China

ISBN: (纸本)9798400711237

Hyperspectral imaging technology is a comprehensive technology that combines optical spectroscopy and imaging technology. Its application in agriculture is increasingly extensive, and its unique advantages make it play an important role in crop monitoring, pest diagnosis and so on. This time, by using hyperspectral imaging technology and the principle that the LED visible light source does not contain ultraviolet light, is not attractive to insects and can emit specific wavelengths of light, STM32 microcontroller and software circuit are used to design and develop an environment for agricultural pests that can detect the surrounding light intensity, temperature, humidity and so on. And it can automatically control the adjustment of LED light source through digital image processing technology, carry out light control technology of precise insect repellent, and successfully apply it in actual production. © 2024 Copyright held by the owner/author(s).

关键词： Hyperspectral imaging

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design of imaging performance evaluation software based on infrared characteristic database 6

Design of imaging performance evaluation software based on i...

引用

6th conference on Frontiers in optical Imaging and Technology: Applications of Imaging Technologies

作者： Xicheng, Wang Lv, Wang Bing, Yu Hongliang, Cheng Yanling, Luo Meng, Gao Hemin, Meng Man, Wang Zedong, Gao Xi'an Institute of Applied Optics China

ISBN: (数字)9781510679757

ISBN: (纸本)9781510679740

When the airborne infrared imaging system searches and strikes ground targets, it is mainly used to extract target information from complex background interference images on the ground and transmit it to the driving or automatic guidance system, forming the position and motion information of the missile relative to the target, in order to better track the target and output information to control the missile's flight. The airborne infrared imaging system detects, recognizes, and the tracking performance is closely related to the infrared radiation characteristics of the background. This article focuses on the research of multi band characteristics of military application targets and backgrounds. On the basis of unified standards, a database management system is established to meet the management and query functions of measured infrared characteristics data of typical backgrounds such as deserts, grasslands, mountains, and forests in different seasons and at different times, as well as the development of an infrared imaging detection performance evaluation system, We studied the detection and recognition probabilities of infrared imaging systems for targets at different distances in different background environments, and provided theoretical calculation results for the detection range of a certain type of installed airborne infrared imaging detection system for 2m * 2m sized targets in the 3.7μm-4.8μm band at 9:00, 16:00, and 21:00 in a summer grassland background in a certain area. This provides support for the design and development of infrared imaging weapons and equipment. © 2024 SPIE.

关键词： Search engines

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Full-time 4WD Baja Race design 2

Full-time 4WD Baja Race Design

引用

2nd International conference on Advanced Manufacturing Technology and Manufacturing systems, ICAMTMS 2023

作者： Zhang, Jian Zhou, Heng Kong, Peng Hubei Industrial Vocational and Technical College Beijing Middle Road Maojian District Hubei Province Shiyan City China

ISBN: (纸本)9781510667327

This paper introduces the design and production process of a full-time four-wheel drive Baja racing car that conforms to the rules of the China Society of Automotive engineering Baja Competition (2022), including: the determination of design objectives and whole vehicle parameters, as well as the design, production and verification of the frame system, transmission system, suspension system, wheelside mechanism, braking system, steering system, electrical system, etc.;CATIA is used to design and assemble the whole vehicle, using simulation After nearly 100 hours of field dynamic testing, the design was optimised and improved according to the actual situation, resulting in a 4WD racing car with high reliability, stability, performance and power. © 2023 SPIE.

关键词： design

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Research on the application of CPU control system based on ARM processor in power system 7

Research on the application of CPU control system based on A...

引用

7th International conference on Advanced Electronic Materials, Computers, and Software engineering, AEMCSE 2024

作者： Shen, Wuqiang Long, Zhenyue Shen, Guiquan Cui, Lei Zhang, Xiaolu Guangdong Power Grid Company Limited Guangdong Guangzhou510000 China Joint Laboratory on Cyberspace Security China Southern Power Grid Guangdong Guangzhou510000 China

ISBN: (纸本)9781510681866

Due to the existence of a large number of different brands and models of equipment and systems in the power system, the CPU control system in the power system is prone to system integration and compatibility problems. In order to ensure the smooth application of CPU control system in electric power system, the research on the application of CPU control system in electric power system based on ARM processor is proposed. The CPU control system architecture of ARM processor is established, and the irregular characteristics and task attributes of computational tasks such as sparse matrix operations in power system topology analysis are analyzed. Subsequently, a general optimization criterion for GPU parallel algorithm design is proposed. Experimental results show that the above CPU control system for topology analysis algorithms in power systems achieves a 6-fold acceleration ratio relative to the 8-threaded CPU algorithm on a 30,000-node system, and more than a 4-fold acceleration in the full process of topology analysis. © 2024 SPIE.

关键词： Power systems computer aided design

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A Methodology to Promote Circular Economy in design by Additive Manufacturing 20th

A Methodology to Promote Circular Economy in Design by Addit...

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20th International conference on Product Lifecycle Management: Leveraging Digital Twins, Circular Economy, and Knowledge Management for Sustainable Innovation (PLM)

作者： Ianniello, Simona Bruno, Giulia Chiabert, Paolo Mantelet, Fabrice Segonds, Frederic HESAM Univ Arts & Metiers Inst Technol Lab Concept Produits & Innovat LCPI 151 Blvd Hop F-75013 Paris France Politecn Torino Dept Management & Prod Engn Corso Duca Abruzzi 24 I-10129 Turin Italy

ISBN: (纸本)9783031625848;9783031625824;9783031625817

[Context] Within the framework of PLM;Circular Economy (CE) is an important concept that seeks to design out waste and pollution, keep products and materials in use and regenerate natural systems. Early design Stages (EDS) are crucial because they set the foundation for the rest of the production process and can determine the product's overall functionality, usability, and manufacturing processes. [Problem] As companies increasingly recognize the benefits of transitioning to a circular economy, there is a growing need for tools and methodologies to support the design of circular products and services. [Proposal] This paper presents a CE card deck as a novel approach to facilitate the early stages of product development. The deck consists of 10 cards based on Morseletto's "Targets for a circular economy" work that represents mainstream circular economy principles and strategies and can be used by designers, engineers, and other stakeholders to generate ideas, evaluate options, and make informed decisions. The results of a pilot study with design and engineering students (Master level) suggest that the card deck can support the exploration of CE concepts and facilitate the identification of circular solutions, in a design by AM context (DbAM). The paper concludes with a discussion of the potential benefits and limitations of the card deck approach, and its integration into a PLM framework, and gives suggestions for future research.

关键词： Circular Economy Eco-design Green Manufacturing Environmental Impact Life cycle engineering design by Additive Manufacturing

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Computational Imaging in Mid-infrared Waveband Hybrid Imaging optical System under Wide Temperature Range

Computational Imaging in Mid-infrared Waveband Hybrid Imagin...

引用

2022 conference on Infrared, Millimeter, Terahertz Waves and Applications, IMT 2022

作者： Peiqi, Yuan Lai, Tao Nie, Huaile Tang, Yufeng Song, Yichen Shan, Mao Key Laboratory of Light-Field Manipulation and Information Acquisition Ministry of Industry and Information Technology School of Physical Science and Technology Northwestern Polytechnical University Shaanxi Xi’an710129 China Shaanxi Key Laboratory of Optical Information Technology School of Physical Science and Technology Northwestern Polytechnical University Shaanxi Xi’an710129 China

ISBN: (纸本)9781510662476

Diffractive optical element (DOE) has special dispersion and temperature characteristics, which makes them widely used in optical systems that require both athermalization and achromatic aberrations correction. The multi-layer DOE (MLDOE) can improve the diffraction efficiency overall the broad waveband, but its diffraction efficiency decreases with ambient temperature changing. When the ambient temperature changes, the micro-structure heights and the refractive index of the substrate materials of MLDOE change, ultimately affecting the optical transform function (OTF). In this paper, the influence of ambient temperature on the diffraction efficiency of MLDOE is proposed and its relationship is derived, a computational imaging method that combines optical design and image restoration is proposed. Finally, a mid-infrared waveband infrared optical system with athermalization and achromatic aberrations corrected based on this method is designed. Results show that this method can effectively improve the imaging quality of refractive-diffractive hybrid optical systems. © 2023 SPIE.

关键词： optical design

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Cyber-Physical System design for Resilient and Interoperable Energy Storage Management in Smart Grids

Cyber-Physical System Design for Resilient and Interoperable...

引用

2023 International conference on Power Energy, Environment and Intelligent Control, PEEIC 2023

作者： Praveena, K. Jayasheel Kumar, K.A. Jain, Alok Khan, Irfan Pahwa, Shilpa Abdulaali, Hayder Saadoon Institute of Aeronautical Engineering Hyderabad Dundigal India New Horizon College of Engineering Department of Automobile Engineering Bangalore India Lovely Professional University Phagwara India Lloyd Institute of Engineering & Technology Knowledge Park II Uttar Pradesh Greater Noida201306 India Lloyd Institute of Management and Technology Plot No.-11 Knowledge Park-II Uttar Pradesh Greater Noida201306 India College of Engineering Technology National University of Science and Technology Dhi Qar Iraq

ISBN: (纸本)9798350357769

Cyber-Physical systems (CPS) have emerged as a quintessential bridge between computational and physical components, playing an indispensable role in modern power systems, notably in the realm of smart grids. This research delves into the intricate design of CPS tailored for resilient and interoperable energy storage management in smart grids. With the increasing complexity and interconnectivity of energy storage systems (ESS), there is a pressing demand for approaches that enhance resilience against both cyber and physical threats, while also ensuring seamless interoperability among heterogeneous ESS. Leveraging advanced machine learning algorithms and robust control theory, this study introduces a novel CPS framework that promotes adaptability, fault tolerance, and real-time decision-making. Simulation results, based on a prototypical urban smart grid model, showcase the efficacy of the proposed CPS design in mitigating adverse impacts of potential disturbances and orchestrating harmonious interactions among disparate ESS. The findings pave the way for a more secure, efficient, and responsive energy landscape, harnessing the strengths of both cyber and physical realms to meet the evolving challenges of modern power systems. © 2023 IEEE.

关键词： Cyber-Physical systems Energy Storage Management Interoperability. Top of Form Resilience Smart Grids

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A Short-Range Free-Space optical Communication System for Space-Assembled Microsatellites

A Short-Range Free-Space Optical Communication System for Sp...

引用

International conference on Applications in Electronics Pervading Industry, Environment and Society, APPLEPIES 2022

作者： Iero, Demetrio Carotenuto, R. Merenda, M. Della Corte, F.G. Department of Information Infrastructure and Sustainable Energy Engineering University "Mediterranea" of Reggio Calabria Reggio Calabria89124 Italy Center for Digital Safety and Security Austrian Institute of Technology Gmbh Vienna Austria Department of Electrical Engineering and Information Technologies University of Napoli Federico II Napoli80125 Italy

ISBN: (纸本)9783031303326

A free-space optical transmission system for applications that require a proper data communication channel between docked microsatellite modules is presented. The structure and the design of the optical communication interfaces are described. The system acts as a bridge between the CAN (Controlled Area Network) busses on the microsatellites, allowing communication between circuits in different separated modules. This avoids a physical connection between adjacent modules and electromagnetic disturbances that radio-frequency communication systems can generate. The system uses low-cost Commercial-Off-The-Shelf (COTS) components that can reduce significantly the operative costs. A prototype has been built in a format compatible with CubeSat satellites and successfully characterized and tested. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Costs

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A Patch Antenna design of S-Band for WLAN Applications 8th

A Patch Antenna Design of S-Band for WLAN Applications

引用

8th International conference on Inventive Communication and Computational Technologies, ICICCT 2024

作者： Rana, Md. Sohel Sarkar, Arpon Rahman, Md. Mahmudur Saha, Pranto Rahman, Sohanur Chakrobortty, Paris Islam, Sheikh Md. Rabiul Northern University of Business and Technology Khulna9100 Bangladesh Khulna University of Engineering and Technology Khulna9203 Bangladesh

ISBN: (纸本)9789819777099

This research paper describes a microstrip patch antenna’s (design-I and design-ii) design, simulation, and analysis for S-band wireless applications. FR-4 (design-I and design-ii) is used as a substrate material whose dielectric constant is 4.3, has a thickness of 1.6 mm, and has a loss tangent of 0.025. The antenna is designed and simulated using CST software (design-I and design-ii). Also, the plots were drawn using OriginPro software. Return loss, VSWR, gain, directivity, bandwidth, and surface current were found to be − 63.574 dB, 1.0013, 3.68 dBi, 5.74 dBi, 123 MHz, and 40.1 A/m (design-I) and − 55.269 dB, 1.0036, 3.27 dBi, 5.86 dBi, 98 MHz, and 49.1 A/m (design-ii), respectively. This research paper’s primary objective is to increase the return loss and bring about a reasonable VSWR. The value of VSWR should be close to 1, but in most cases, the VSWR value is 1. Also, improving the antenna’s bandwidth increases antenna’s gain and directivity. Additionally, as a consequence, this antenna can perform its functions more efficiently. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： Slot antennas

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Space-Time Suppression of Self-Interference and Inter-Symbol Interference for Target Detection in ISAC systems

Space-Time Suppression of Self-Interference and Inter-Symbol...

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2024 conference on Spectral Technology and Applications, CSTA 2024

作者： Chen, Yating Wen, Cai Huang, Yan Chen, Zhanye Hong, Wei State Key Laboratory of Millimeter Waves School of Information Science and Engineering Southeast University Nanjing211100 China School of Information Science and Technology Northwest University Xi'an710127 China

ISBN: (纸本)9781510683082

Utilizing existing communication infrastructures and signals for target detection encounters many challenges. Among them, the inherent self-interference in monostatic multiple-input multiple-output (MIMO) systems, along with the inter-symbol interference resulting from continuous signal transmission, severely degrades the detection performance. To suppress the self-interference and inter-symbol interference at receiver, we propose a space-time processing method in this paper. Our approach involves the design of beamforming vectors to mitigate self-interference in the spatial domain, and the design of a filter in the time domain for suppressing inter-symbol interference. An optimization problem for beamforming vector is formulated to maximize the signal to interference plus noise ratio (SINR) at receiver. Successive convex approximation (SCA) is deployed to obtain optimal beamforming vectors. Additionally, a filter in time domain is designed to lower the sidelobe and retain the peak value of the filtering output at receiver. Meanwhile, the inter-symbol interference brought by continuous transmission is also constrained by designing the filter. Numerical simulation demonstrates the effectiveness of our space-time processing method in suppressing both self-interference and inter-symbol interference, thereby enhancing overall detection performance. © 2024 SPIE.

关键词： Intersymbol interference

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