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

共 20579 条记录，以下是31-40 订阅

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APPLICATION OF MUNICH AGILE CONCEPT FOR MBSE FOR A HOLISTIC APPROACH TO COLLECT VEHICEL DATA BASED ON BOARD DIAGNOSTIC SYSTEM

APPLICATION OF MUNICH AGILE CONCEPT FOR MBSE FOR A HOLISTIC ...

引用

ASME 2024 International design engineering Technical conferences and Computers and Information in engineering conference, IDETC-CIE 2024

作者： Salehi, Vahid Munich University of Applied Science Munich Germany

ISBN: (纸本)9780791888353

This paper is based on four different steps. In the first step, a literature review is provided on the topic of the application of on-board diagnostic systems and their connection to digital twins in a virtual environment. In the second step, some important research questions are addressed, which are dealt with in the following sections. Based on the research questions, this paper applies a systematic method to use generated data such as GPS position, gasoline engine parameters such as speed/revs, and the vehicle's gasoline battery to enrich a digital data environment for virtualization and simulation. This technical paper explores the use of On-Board Diagnostic ii (OBD-ii) interfaces to collect data from gasoline vehicles and the subsequent analysis of this data using systems engineering methods. The paper will present the results of gasoline vehicle testing based on OBD-ii data and Model Based systems engineering (MBSE) using the Munich Agile Concept for systems engineering (MAGIC) to design a system-of-systems approach based on Digital Twin Data. This paper and the corresponding research project will develop a consistent, traceable, holistic system-of-systems engineering approach for digital twins. MBSE is based on three important core pillars: 1) Methods/Processes, 2) Language and 3) systems. The purpose of the newly developed Munich Agile Concept Approach is to manage complexity throughout the data collection, data processing and data virtualization process from a real environment to a virtual Digital Twin environment. The Munich Agile Concept contains six different levels: System Requirement, System Function, System Architecture, System Validation, System Test and System Usage Level. A graphical language called System Modeling Language (SysML) was used to define the first three levels. In the final step, this paper will report on the experiences made and the results of the applied MAGIC approach in Model Based systems engineering. Copyright © 2024 by ASME.

关键词： Modeling Data collection Vehicles Columns (Structural) Digital twin design Transfer functions Virtual reality Gasoline engines systems engineering Batteries Testing Simulation Gasoline System architecture

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design of a full-filed transmission X-ray microscope with 30nm resolution 6

Design of a full-filed transmission X-ray microscope with 30...

引用

6th conference on Frontiers in optical Imaging and Technology: Novel Imaging systems

作者： Liao, Keliang He, Qili Li, Panyun Song, Maohua Zhao, Haifeng Zhu, Peiping Jinan Hanjiang Opto-electronics Technology Ltd. Shandong 250000 China Institute of High Energy Physics Chinese Academy of Sciences Beijing100049 China

ISBN: (数字)9781510679719

ISBN: (纸本)9781510679702

A full-field transmission hard X-ray microscope (TXM) with 30nm resolution was designed and its prototype was constructed. The TXM relies on a compact, high stiffness, low heat dissipation and low vibration design philosophy and utilizes Fresnel Zone plate (FZP) as imaging optics. The design of the TXM was introduced in detail, including the optical layout, the parameters of the FZP, the mechanical design of the TXM instrument. Preliminary imaging result with 52nm spatial resolution was achieved. © 2024 SPIE.

关键词： X ray microscopes

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Optimizing High Resolution Wide Field of View optical design for Long Wave Infrared Objective 14

Optimizing High Resolution Wide Field of View Optical Design...

引用

14th International conference on Electrical engineering (ICEENG)

作者： Aboalia, Hossam Hussein, Sherif Mahmoud, Alaaeldin Mil Tech Coll Optoelect & Automat Control Syst Dept Cairo Egypt Mil Tech Coll Comp Engn & Artificial Intelligence Dept Cairo Egypt

ISBN: (纸本)9798350343427;9798350343434

optical system is a basic component of infrared (IR) imaging systems that affect the image quality of the observed field of view (FOV). Responsible for collecting IR radiation from the scene and projecting it onto detector pixels. The optical system's characteristics, such as lens material, focal length, and optical diameter, critically impact the amount of transmitted IR radiation. The design process aims to eliminate and limit aberrations to enhance performance. Increasing spatial resolution and widening the FOV are crucial for image quality improvement. In this study, we present a unique high-resolution wide FOV optical design for an infrared objective operating in the long-wave infrared (LWIR) band (8-12 mu m). Utilizing the time-tested Cooke triplet structure as the foundation, we enhance its capabilities through the implementation of a splitting methodology. This approach allows for improved control over aberrations and enhances the optical design's overall performance. Ansys Zemax OpticStudio software was employed to optimize radii of curvatures and thicknesses based on the proposed merit function operands. Our concept makes use of a small pixel size (15 mu m) to achieve an expansive FOV of 18 degrees along with a high spatial resolution of 31 cycles/mm. This makes the design a highly suitable candidate for diverse remote sensing observation applications.

关键词： optical design infrared optics zemax LWIR

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design and Implementation of optical Wireless Localization System Towards Dataset Generation

Design and Implementation of Optical Wireless Localization S...

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2024 International conference on Intelligent Computing and Robotics, ICICR 2024

作者： Mukhiddinov, Behzod He, Di Yu, Wenxian Shanghai Key Laboratory of Navigation and Location-based Services School of Sensing Science and Engineering School of Electronic Information and Electrical Engineering Shanghai Jiao Tong University Shanghai China

ISBN: (纸本)9798350372274

This paper introduces a novel approach for the development of system design and architecture for the data generation methods tailored for indoor localization within optical Wireless Communication (OWC) systems. We explore key aspects of the optical Wireless Localization (OWL) dataset generation method, namely hardware design and simulation-based high-precision localization. While physical architecture is well-established, dataset generation and hardware design methods require innovation. In this study, we propose an enhanced hardware design technology that combines collected indoor localization dataset generation with Deep neural network testing. This approach allows not only for the dataset generation of optical wireless localization in location-based OWC systems but also the high precision of positioning accuracy. The paper details the process, benefits, and outcomes of this innovative methodology. ©2024 IEEE.

关键词： dataset generation deep learning hardware design optical wireless localization

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design and Analysis of A Plastic optical Fiber Network for Automobile Braking System 7

Design and Analysis of A Plastic Optical Fiber Network for A...

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7th International conference on Vocational Education and Electrical engineering, ICVEE 2024

作者： Zidni, Alif Fathoni Natali, Yus Apriono, Catur Universitas Indonesia Department of Electrical Engineering Depok Indonesia Telkom University Telecommunication Engineering Program Jakarta Indonesia

ISBN: (纸本)9798331505103

Polymeric optical fiber (POF) is a flexible and transparent plastic fiber used in various applications, including for a sensing system in automobile brake systems. This research study proposed the design and analysis of a plastic optical fiber network for automobile brake systems. The method is to utilize the light emitted from the vehicle's backlight, which is then captured by the brake system detector. The design employs an optical communication system because of its advantageous features, such as high-speed data transmission and communication reliability. The power budget of the link is analyzed through theoretical calculations and simulations. The proposed system can achieve a Q factor of 8.29 and a power margin of 11.26 dB. This condition indicates that the proposed design can function properly in terms of data transmission and sufficient transmitted power. © 2024 IEEE.

关键词： Budget control

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Visual Inertial 3D Reconstruction System Based on KLT optical Flow and Voxel Hash 20th

Visual Inertial 3D Reconstruction System Based on KLT Optica...

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20th Chinese Intelligent systems conference

作者： Wei, Tingtao Pan, Zihao Fan, Chuanliu Yu, Lei Soochow Univ Sch Mech & Elect Engn Suzhou Peoples R China

ISBN: (纸本)9789819786565;9789819786541;9789819786534

In this paper, front-end pyramid optical flow tracking, visual inertia fusion, depth estimation and 3D reconstruction techniques are studied, and a 3D reconstruction system based on Visual-Inertial Odometry is proposed. Using the pyramid KLT optical flow method based on bilateral filter denoising, the problem of blurred image edge information is effectively solved. The 3D reconstruction system can be applied to scenes of various scales, especially to multi-layer scenes with large longitudinal span. Experiments show that the proposed method can effectively reduce the cases of split-level reconstruction and reconstruction failure, and improve the completeness and accuracy of 3D reconstruction.

关键词： KLT optical flow Three-dimensional reconstruction Visual-inertial odometry

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Breaking Symmetry Constraints in Freeform design for Refractive Beam Shapers

Breaking Symmetry Constraints in Freeform Design for Refract...

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International optical design conference 2023

作者： Griffiths, Alexander D. Wreford, Callum Trela-McDonald, Natalia PowerPhotonic Ltd 5A St David’s Drive Dalgety BayKY11 9FQ United Kingdom

Freeform manufacture of micro-optic arrays allows laser beam shapers to be designed with highly customised outputs. We present two design concepts to exploit this: asymmetric shaping elements, and variable unit cell a... 详细信息

ISBN: (数字)9781510668515

ISBN: (纸本)9781510668508

关键词： Laser beams

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Category Theory for Autonomous Robots: The Marathon 2 Use Case 6th

Category Theory for Autonomous Robots: The Marathon 2 Use Ca...

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6th Iberian Robotics conference (Robot)

作者： Aguado, Esther Gomez, Virgilio Hernando, Miguel Rossi, Claudio Sanz, Ricardo Univ Politecn Madrid C Jose Gutierrez Abascal 2 Madrid 28006 Spain

ISBN: (纸本)9783031586750;9783031586767

Model-based systems engineering (MBSE) is a methodology that exploits system representation during the entire system life-cycle. The use of formal models has gained momentum in robotics engineering over the past few years. Models play a crucial role in robot design;they serve as the basis for achieving holistic properties, such as functional reliability or adaptive resilience, and facilitate the automated production of modules. We propose the use of formal conceptualizations beyond the engineering phase, providing accurate models that can be leveraged at runtime. This paper explores the use of Category Theory, a mathematical framework for describing abstractions, as a formal language to produce such robot models. To showcase its practical application, we present a concrete example based on the Marathon 2 experiment. Here, we illustrate the potential of formalizing systems-including their recovery mechanisms-which allows engineers to design more trustworthy autonomous robots. This, in turn, enhances their dependability and performance.

关键词： autonomous robots applied category theory ontology model based systems engineering

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optical tolerances analysis methodology using realistic optomechanical models 9

Optical tolerances analysis methodology using realistic opto...

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conference on optical design and engineering IX

作者： Blanchard, Nathalie Lamontagne, Frederic Doucet, Michel INO 2740 Rue Einstein Quebec City PQ G1P 4S4 Canada

ISBN: (纸本)9781510673571;9781510673564

Tolerance analysis is a critical part of the optical design process because it helps predict system real performance, after manufacturing and assembly. To obtain reliable predictions, it is mandatory to use realistic optomechanical models. INO developed Comet software, a powerful standalone application for realistic optical tolerancing analysis. A previous paper [1] demonstrates how a better modeling helps avoid the production of overly expensive optical systems with excellent performances, or on the other hand, the production of inexpensive optical systems with unexpectedly erratic performances. This article presents the methodology used to find the best centering method for an infrared dual-band objective. INO's Comet standalone software application is used to perform the optomechanical tolerance analysis and computes the perturbations to be applied in the optical tolerance analysis. It will be demonstrated how Comet is quick and easy to use for comparing several centering concepts, helping to find the best trade-off between optical performances and ease of manufacturing. The studied infrared dual-band lens requires almost diffraction limited performances to fulfill the needs of the foreseen application. Therefore, two accurate centering techniques are considered: the active alignment and the QuickCTR auto-centering technique. The active alignment is the most accurate method for centering optical elements, but requires expensive instrumentation, human manipulation, and cure time for the adhesive. The QuickCTR auto-centering techniques are almost as accurate as the active alignment but requires a fraction of the effort for centering, thus is less expensive to implement. The presented methodology will show how to get the best compromise by using both techniques.

关键词： optical design tolerancing design-for-manufacture performance prediction optical alignment optomechanics integrated model standalone application

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A Compact Airborne Co-Aperture Cavity-backed Spiral Antenna design

A Compact Airborne Co-Aperture Cavity-backed Spiral Antenna ...

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2024 International conference Optoelectronic Information and optical engineering, OIOE 2024

作者： Pi, Chu Leihua Electronic Technology Institute AVIC Wuxi China

ISBN: (数字)9781510688209

ISBN: (纸本)9781510688193

This paper describes a design of novel wideband co-aperture cavity-backed spiral antenna for airborne passive direction finding (DF) applications. Due to the restricted installation locations and rigorous environmental conditions, the design integrates two separate bands of cavity-backed spiral antennas into a common radome which can effectively reduce radar cross section (RCS) and the difficulty of mounting on airframe. The antenna design is modeled and optimized by using commercial electromagnetic software. Simulation results reveal good performance from 2 to 40GHz which can be considered as an excellent candidate to replace the original discrete aperture design. The proposed antenna will be supplied in amplitude and/or phase-tracking sets of typical airborne electronic warfare (EW) systems. © 2025 SPIE.

关键词： Spiral antennas

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