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2008 IEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM 2008

作者： Kim, Jeehong Ryu, Jihyong Lee, Changgoo Department of Control and Measurement Engineering Chonbuk National University Jeonju Korea Republic of Division of Electronics and Information Engineering Chonbuk National University Jeonju Korea Republic of

ISBN: (纸本)9781424424955

Urban Search and Rescue (USAR) involves locating, rescuing (extricating), and medically stabilizing victims trapped in confined spaces. In this paper we state the current approach to USAR, address the limitations and discuss the way for moving in rugged topography. To achieve objectives such as surveillance, reconnaissance, and rescue, it is necessary to develop a driving mechanism that can handle rugged geographical features. We propose a new type of driving mechanism for a rescue robot that has a variable shape single-track. By using a variety shapes, it can get the gain of steering and rotating and the ability to overcome stairs. In this paper, we analyzed the design parameters for making variable transform shapes and determined the specifications of the robot to enhance adaptability to stairs. © 2008 IEEE.

关键词： Robots

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Mechanism for variable transformation shapes of a single-tracked mobile structure

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11th International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines, CLAWAR 2008

作者： Kim, Jeehong Lee, Changgoo Department of Control and Measurement Engineering Chonbuk National University Jeonju Korea Republic of Division of Electronics and Information Engineering Chonbuk National University Jeonju Korea Republic of

ISBN: (纸本)9812835768

Urban Search and Rescue (USAR) involves locating, rescuing (extricating), and medically stabilizing victims trapped in confined spaces. In this paper we state the current approach to USAR, address the limitations and discuss the way for moving in rugged topography. To achieve objectives such as surveillance, reconnaissance, and rescue, it isnecessary to develop a driving mechanism that can handle rugged geographical features. We propose a new type of driving mechanism for a rescue robot that has a variable shapesingle-track. By using a variety shapes, it can get the gain of steering and rotating and the ability to overcome stairs. In this paper, we analyzed the design parameters formaking variable transform shapes and determined the specifications of the robot to enhance adaptability to stairs. Copyright © 2008 by World Scientific Publishing Co. Pte. Ltd.

关键词： Stairs

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Variable transformation shapes of single-tracked mechanism for a rescue robot

Variable transformation shapes of single-tracked mechanism f...

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International Conference on control, Automation and Systems, ICCAS 2007

作者： Jeehong, Kim Changgoo, Lee Department of Control and Measurement Engineering Chonbuk National University Jeonju Korea Republic of Division of Electronics and Information Engineering Chonbuk National University Jeonju Korea Republic of

ISBN: (纸本)8995003871

关键词： Robots

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A secure fingerprint authentication system on an untrusted computing environment

A secure fingerprint authentication system on an untrusted c...

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Second International Conference on Trust, Privacy and Security in Digital Business, TrustBus 2005

作者： Chung, Yongwha Moon, Daesung Kim, Taehae Pan, SungBum Department of Computer and Information Science Korea University Korea Republic of Biometrics Technology Research Team ETRI Daejeon Korea Republic of Division of Information and Control Measurement Engineering Chosun University Korea Republic of

In this paper, we propose a secure and scalable solution for user authentication by using fingerprint verification on the sensor-client-server model, even with the client that is not necessarily trusted by the sensor holder or the server. In a typical implementation of fingerprint verification on the sensor-client-server model, the most time consuming step of the fingerprint verification, i.e., feature extraction, is assigned to a client because of real-time, scalability, and privacy issues. Compared to either a sensor or a server, however, the client connected to an open network and maintained by an individual user may be more vulnerable to Trojan Horse attacks. To protect Trojan Horse attacks launched at the untrusted client, our protocol has the fingerprint sensor to validate the result computed by the client for the feature extraction. However, the validation should be simple so that the resource-constrained fingerprint sensor can validate it in real-time. To solve this problem, we separate the feature extraction into binarization and minutiae extraction, and assign the time-consuming binarization to the client. After receiving the result of binarization from the client, the sensor conducts a simple validation algorithm to check the result, and then performs minutiae extraction and sends the extracted minutiae to the server. Based on the experimental results, the proposed solution for fingerprint verification can be performed on the sensor-client-server model securely, scalablely, and in real-time with the aid of an untrusted client. © Springer-Verlag Berlin Heidelberg 2005.

关键词： User interfaces

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Study on Fiber Optic Sensor for Ethanol Gas Detection 13

Study on Fiber Optic Sensor for Ethanol Gas Detection

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13th International Conference on Advanced Infocomm Technology, ICAIT 2021

作者： Chen, Qiru Diao, Tongruo Shi, Bufan Northeastern University College of Information Science and Engineering Shenyang China Intelligent Measurement and Control Division Shandong Giant E-Tech Co. Ltd. Shandong Jinan China

ISBN: (纸本)9781665431880

The combination of gas sensitive material and fiber optic sensor to realize human breath test is one of the important ways in breath testing. Therefore, this paper takes use of perovskite doping assisted by ultraviolet irradiation to improve the optical fiber sensitivity as to fabricate a kind of ethanol gas sensor involved by single-mode multimode single-mode fiber optic and to conduct verification, which explores the gas sensitive performance of the combination of fiber optic and new type composite materials. In the condition of ordinary temperature with ultraviolet irradiation, the ethanol gas could be measured accurately and stabled by selecting flower shaped ZnSnO3 doped with TiO2. © 2021 IEEE.

关键词： Gases

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Variable shapes single-tracked of a belt type wheel mechanism

Variable shapes single-tracked of a belt type wheel mechanis...

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IEEE/ASME (AIM) International Conference on Advanced Intelligent Mechatronics

作者： Jeehong Kim Jihyong Ryu Changgoo Lee Department of Control & Measurement Engineering Chonbuk National University of Korea Jeonju South Korea Division of Electronics and Information Engineering Chonbuk National University of Korea Jeonju South Korea

ISBN: (纸本)9781424424948

Urban search and rescue (USAR) involves locating, rescuing (extricating), and medically stabilizing victims trapped in confined spaces. In this paper we state the current approach to USAR, address the limitations and discuss the way for moving in rugged topography. To achieve objectives such as surveillance, reconnaissance, and rescue, it is necessary to develop a driving mechanism that can handle rugged geographical features. We propose a new type of driving mechanism for a rescue robot that has a variable shape single-track. By using a variety shapes, it can get the gain of steering and rotating and the ability to overcome stairs. In this paper, we analyzed the design parameters for making variable transform shapes and determined the specifications of the robot to enhance adaptability to stairs.

关键词： Wheels Robots Shape Equations Distance measurement Robot sensing systems Mathematical model

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Parallel matching-based estimation - a case study on three different hardware architectures

Parallel matching-based estimation - a case study on three d...

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IEEE Symposium on Intelligent Vehicle

作者： Benjamin Ranft Timo Schoenwald Bernd Kitt Intelligent Systems and Production Engineering (ISPE) research division FZI Research Centre for Information Technology Germany Department of Measurement and Control Karlsruhe Institute of Technology Germany

Many advanced driver assistance systems (ADAS) and autonomous vehicles require 3D information available from (stereo) camera systems. The corresponding task of estimating disparity or optical flow is computationally demanding, so meeting real-time update rates at high image resolutions has proven to be challenging. Modern parallel hardware seems suitable for this task only if its processing power can be efficiently accessed by parallel software implementations. In this paper we present a case study comparing different hardware platforms by two variants of block matching-based estimation. These platforms include two x86-compatible multicore systems, a graphics processing unit (GPU) and a 64-core embedded design. We introduce relevant features of each architecture and describe their effects on the applied algorithms, parallelization approaches and implementations. Target platforms are evaluated concerning computational performance, energy efficiency and programmer productivity.

关键词： Graphics processing unit Instruction sets Pixel Hardware Cameras Optical imaging Estimation

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Towards Simulation of CubeSat Operational Scenarios under a Cyber-Physical Systems View 10

Towards Simulation of CubeSat Operational Scenarios under a ...

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10th Latin-American Symposium on Dependable Computing, LADC 2021

作者： De Almeida, Danilo Pallamin Graics, Bence Chagas, Ronan Arraes Jardim De Sousa, Fabiano Luis Mattiello-Francisco, Fatima National Institute for Space Research Lab VVSis Sao Jose dos Campos Brazil Budapest University of Technology and Economics Dept. of Measurement and Information Systems Budapest Hungary National Institute for Space Research Systems Engineering Division Sao Jose dos Campos Brazil National Institute for Space Research Space Mechanics and Control Division Sao Jose dos Campos Brazil

ISBN: (纸本)9781665478311

In the development of academic CubeSat-based space missions, it is common to skip or rush many practices of the Systems engineering Process due to time and cost constraints, which may lead to issues later on in the mission and failures. Mission concept analyses are often in these practices, including the analysis of the in-orbit behavior of the satellite with respects to power consumption and data generation. With the purpose of supporting these analyses, this article introduces a workflow based on a Cyber-Physical abstraction of CubeSat mission operation scenarios, which uses architectural models based on SysML Class Diagrams and automatic model transformation to support the simulation of these operational scenarios in an open source Model-Based System engineering (MBSE) tool. These simulations can be used in mission concept analyses in Phase-0 studies to verify initial operations requirements and drive further design implementations. © 2021 IEEE.

关键词： Cost engineering

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Study on Fiber Optic Sensor for Ethanol Gas Detection

Study on Fiber Optic Sensor for Ethanol Gas Detection

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International Conference on Advanced Infocomm Technology (ICAIT)

作者： Qiru Chen Tongruo Diao Bufan Shi College of Information Science and Engineering Northeastern University Shenyang China Intelligent Measurement and Control Division Shandong Giant E-Tech Co. Ltd. Jinan Shandong

ISBN: (纸本)9781665431897

关键词： Optical fibers Temperature measurement Temperature sensors Radiation effects Optical fiber sensors Composite materials Ethanol

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Optical meta-waveguides for integrated photonics and beyond

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Light(Science & Applications) 2021年第12期10卷 2263-2306页

作者： Yuan Meng Yizhen Chen Longhui Lu Yimin Ding Andrea Cusano Jonathan A.Fan Qiaomu Hu Kaiyuan Wang Zhenwei Xie Zhoutian Liu Yuanmu Yang Qiang Liu Mali Gong Qirong Xiao Shulin Sun Minming Zhang Xiaocong Yuan Xingjie Ni State Key Laboratory of Precision Measurement Technology and Instruments Department of Precision InstrumentTsinghua University100084 BeijingChina Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing and School of Information Science and TechnologyFudan UniversityShanghai 200433China School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China Department of Electrical Engineering Pennsylvania State UniversityUniversity ParkPA 16802USA Optoelearonic Division Department of EngineeringUniversity of Sannio1-82100 BeneventoItaly Department of Electrical Engineering Stanford UniversityStanfordCA 94305USA Nanophotonics Research Centre Shenzhen Key Laboratory of Micro-Scale Optical Information TechnologyShenzhen UniversityShenzhen 518060China Key Laboratory of Photonic Control Technology Ministry of EducationTsinghua University100084 BeijingChina Yiwu Research Institute of Fudan University Chengbei RoadYiwu City 322000 ZhejiangChina Wuhan National Laboratory for Optoelectronics Huazhong University of Science and TechnologyWuhan 430074 HubeiChina

The growing maturity of nanofabrication has ushered massive sophisticated optical structures available on a photonic *** integration of subwavelength-structured metasurfaces and metamaterials on the canonical building block of optical waveguides is gradually reshaping the landscape of photonic integrated circuits,giving rise to numerous metawaveguides with unprecedented strength in controlling guided electromagnetic ***,we review recent advances in meta-structured waveguides that synergize various functional subwavelength photonic architectures with diverse waveguide platforms,such as dielectric or plasmonic waveguides and optical *** results and representative applications are comprehensively *** physical models with explicit design tutorials,either physical intuition-based design methods or computer algorithms-based inverse designs,are cataloged as *** highlight how meta-optics can infuse new degrees of freedom to waveguide-based devices and systems,by enhancing light-matter interaction strength to drastically boost device performance,or offering a versatile designer media for manipulating light in nanoscale to enable novel *** further discuss current challenges and outline emerging opportunities of this vibrant field for various applications in photonic integrated circuits,biomedical sensing,artificial intelligence and beyond.

关键词： waveguides waveguide beyond

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