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International Conference on Ubiquitous robots and Ambient Intelligence (UrAI)

作者： Jaeyoul Lee Ingyu Park Yongchul Park Sanghun Lee Applied Technology division Korea Institute of Robot and Convergence Pohang Korea R&D Center/DE Drive Technology RS Automation Co. Ltd. Pyoeongtaek Korea

rotational sensor mounted on a motor to precisely control robot system is designed to obtain the rotation value and speed information in term of rotor. Precise rotational sensor is one of the critical components to constitute a precisely controlled robot system. In current, most of precise rotational sensor has not been developed with domestic technology but resorts to import from foreign countries. What is the most important in developing high precision sensor is to develop precision assembly JIG. This paper describes the order and how to assemble rotational sensor and possible problems in the course of assembly, as well as the development of assembly JIG for 21 bit precise rotational sensor.

关键词： Assembly robot sensing systems Integrated circuits Clamps Thumb

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Trotting gait control of quadruped robot based on Trajectory Planning

Trotting gait control of quadruped robot based on Trajectory...

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World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM)

作者： Baoping Ma Ziqian Liu Changwu Peng Xiaoqiang Li R&D Engineer. Laboratory of the Quadruped Robot The 21st Research Institute of China Electronics Technology Group Corporation Shanghai China R & D Engineer The 21st Research Institute of China Electronics Technology Group Corporation Shanghai China

ISBN: (纸本)9781665421737

In order to improve the motion stability and environmental adaptability of quadruped robot in trotting gait, a motion control method based on swing leg gait planning is proposed in this paper. The kinematics model of quadruped robot is established, the forward and inverse solutions are obtained, and the trajectory curve of swinging leg of quadruped robot in trotting gait is planned. The simulation model is established in AdAMS to verify that the trotting gait control method based on the foot trajectory planning of the swing leg is effective and feasible.

关键词： Legged locomotion Adaptation models Torque Trajectory planning Stability analysis Trajectory Quadrupedal robots

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The Optimal Energy Flow of Combined Heat and Power Systems Considering Users' Comfort 5

The Optimal Energy Flow of Combined Heat and Power Systems C...

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5th IEEE Conference on Energy Internet and Energy System Integration, EI2 2021

作者： Lin, Junguang Pan, Zhaoguang Zhao, Shenyi Wu, Fan Jiang, Yuehong Shi, runye International Joint Lab on Low-grade Energy Utilization of Zhejiang Province Zhejiang Energy Group R&D Institute Co. Ltd.2 Hangzhou China Department of Electrical Engineering and Applied Electronics Technology Tsinghua University Beijing China Tsinghua-Berkeley Shenzhen Institute Tsinghua University Shenzhen China

ISBN: (纸本)9781665434256

Combined heat and electric power energy networks are common as multi-energy systems and its optimal operation is a hot topic. The goals of this manuscript is to achieve the optimal heat and power flow for the coupling network with tree-topology heat network and dC power network. The study aims to minimize the total deviations between user setting points and building indoor temperatures, decrease total energy consumption and cost. An optimization model is proposed using a steady-state method. The effectiveness of this method is proved by simulation results. Optimal operational schedule is obtained which can considers the complexity of the combined heat and electric networks. © 2021 IEEE

关键词： Electric load flow

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Meal intention recognition system based on gaze direction estimation using deep learning for the user of meal assistant robot

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Journal of Institute of Control, robotics and Systems 2021年第5期27卷 334-341页

作者： Park, Hyunji Jang, Inhoon Ko, Kwangeun Applied Robot R&D Department Korea Institute of Industrial Technology Korea Republic of Department of Computer Science & Engineering Hanyang University Korea Republic of Industry Academic Cooperation Foundation Hankyong National University Korea Republic of

Care robots that provide dietary supplements to the elderly and the disabled should be able to intelligently interact with the users’ intention to eat in real-time and provide the food they want. To this end, based on deep learning, we have developed a user interface that facilitates the selection of food to be eaten according to six user gaze directions. A single-stage object-detection deep learning model has been implemented as a lightweight, single-stage object-detection deep learning model that can be installed on commercial tablets, and the accuracy of this model was 0.9857. © ICrOS 2021.

关键词： Human robot interaction

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Critical Conduction Mode Three-Phase Vienna rectifier

Critical Conduction Mode Three-Phase Vienna Rectifier

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International Conference on renewable Energy research and Applications (ICrErA)

作者： Jizhe Wang Shanghua Feng Fujio Kurokawa Institute for Innovative Science and Technology Nagasaki Institute of Applied Science Nagasaki Japan R&D Center Guangdong Giwee Group Co. Ltd. Foshan China

ISBN: (数字)9781728173696

ISBN: (纸本)9781728173702

This paper proposed a novel analog-based critical conduction mode (CrM) control method for the three-phase three-level Vienna rectifier. By the proposed method, the simple analog CrM control can be achieved in each phase of the Vienna rectifier. All the control schemes are implemented with three low-cost analog CrM PFC IC controllers. Experimental results demonstrate that zero-voltage-switching (ZVS) and valley-switching (VS) are indeed achieved, and a high power factor of 0.994 is tested at a 3.2 kW three-phase Vienna rectifier.

关键词： reactive power renewable energy sources Shape rectifiers Zero voltage switching Voltage control Field programmable gate arrays

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development of a Low Cost Anthropomorphic robot Hand with High Capability

Development of a Low Cost Anthropomorphic Robot Hand with Hi...

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IEEE/rSJ International Conference on Intelligent robotics and Systems

作者： Ji-Hun Bae Sung-Woo Park Jae-Han Park Moon-Hong Baeg doik Kim Sang-rok Oh Robot Convergence R&D Group Korea Institute of Industrial Technology(KITECH) Ansan R&D Center 1271-18 Sa-3-dong Sangrok-gu Ansan Korea Interaction and Robotics Research Center Korea Institute of Science & Technology Hwarangno 14-gil 5 Seongbuk-gu Seoul 130-650 Korea

ISBN: (纸本)9781467317375

This paper presents a development of an anthropomorphic robot hand, 'KITECH Hand' that has 4 full-actuated fingers. Most robot hands have small size simultaneously many joints as compared with robot manipulators. Components of actuator, gear, and sensors used for building robots are not small and are expensive, and those make it difficult to build a small sized robot hand. differently from conventional development of robot hands, KITECH hand adopts a rC servo module that is cheap, easily obtainable, and easy to handle. The rC servo module that have been already used for several small sized humanoid can be new solution of building small sized robot hand with many joints. The feasibility of KITECH hand in object manipulation is shown through various experimental results. It is verified that the modified rC servo module is one of effective solutions in the development of a robot hand.

关键词： verified building development

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Numerical Analysis of Soliton Propagation in a Tapered Waveguide

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Journal of Optical Communications 2023年第4期44卷 535-538页

作者： raja, M.A. ranathive, S. Sivaram, M. Krishna Kumar, L. Vinoth Kumar, K. Amiri, Iraj S Department of Biomedical Engineering Dr. N.G.P. Institute of Technology Coimbatore India Department of CSE Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology Chennai India Department of Computer Networking Lebanese French University Kurdistan Region Erbil Iraq Department of CSE Nehru Institute of Engineering & Technology Coimbatore India Department of EEE Karunya Institute of Technology and Sciences Coimbatore India Computational Optics Research Group Advanced Institute of Materials Science Ton Duc Thang University Ho Chi Minh City Viet Nam Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Viet Nam

In this paper, dispersion decreased profiled tapered fiber is designed whose dispersion characteristics and soliton propagation is investigated numerically using darboux transformation. The result reveals that solitons pulse gets compression as it propagates along the length of the tapered region. © 2019 Walter de Gruyter GmbH, Berlin/Boston.

关键词： dispersion (waves)

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design and Implementation of Hydraulic-Cable driven Manipulator for disaster response Operation

Design and Implementation of Hydraulic-Cable driven Manipula...

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IEEE International Conference on robotics and Automation (ICrA)

作者： Jungyeong Kim Jaehong Seo Sangshin Park Sangchul Han Jungsan Cho Robotics and Virtual Engineering University of Science and Technology (UST) Daejon South Korea Intelligent Robot Engineering University of Science and Technology (UST) Daejon South Korea Robotics R&D Group Korea Institute of Industrial Technology (KITECH) Ansan South Korea Robotics Industrial Technology University of Science and Technology (UST) Daejon South Korea

ISBN: (数字)9781728173955

ISBN: (纸本)9781728173962

This paper introduces a new hydraulic manipulator with hydraulic-cable driven actuation (HCA) modules for disaster response mobile-manipulation. The hydraulic actuation system has the potential to apply disaster-response application, because it has a higher power-to-weight ratio and robustness to external impacts than electric motor actuation. However, using a conventional hydraulic manipulators is inappropriate because the revolute joint uses conventional actuators, such as linear cylinders and vanes, which have some limitations: 1) linear cylinder: small range of motion, 2) vane: low torque-toweight ratio. To overcome these limitations, we propose new 3dOF manipulator which has a larger workspace than the conventional hydraulic manipulator and comparable payloadto-weight ratio. To this end, we use hydraulic-cable driven actuation modules from our previous research. Experimental results verify the basic performance of the actuator modules and manipulator and their capability to perform various disaster response tasks.

关键词： Manipulators Blades Actuators Hydraulic systems Torque Wires

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development of a Super-insulating, Aerogel-based Textile Wallpaper for the Indoor Energy retrofit of Existing residential Buildings

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Procedia Engineering 2017年 180卷 1139-1149页

作者： Gabriele Masera Karim Ghazi Wakili Thomas Stahl Samuel Brunner rosanna Galliano Carol Monticelli Stefano Aliprandi Alessandra Zanelli Amr Elesawy Department of Architecture Built Environment and Construction Engineering Politecnico di Milano Milan Italy Empa Materials Science and Technology Dübendorf Switzerland IABP Institute for Applied Building Physics Winterthur Switzerland R&D Fixit Group Holderbank Switzerland ETH Zurich Architecture & Building Systems (A/S) Institute of Technology in Architecture (ITA) Department of Architecture (DARCH) Zurich Switzerland

retrofitting the residential building stock poses a major challenge for the European building sector in the coming years. It is also crucial to achieve the decarbonisation goals set by the EU's Energy roadmap 2050. The EASEE research project, funded by the European Commission, addressed this issue by developing a holistic approach to envelope retrofitting. This paper presents an innovative technical solution developed within this research project: a lightweight, aerogel-based wallpaper that can be easily installed on the inner side of perimeter walls. The system is composed of an aerogel-impregnated textile layer, forming the insulating core, and a fabric finishing that can be easily installed and replaced thanks to a bespoke tensioning device. The development of the system is explained starting from the identification of the challenges related to the application of an insulating layer to the internal face of an existing wall. These include building physics, as well as operational aspects to reduce disturbances of users. The insulating layer, based on a textile mat impregnated with aerogel, was tested and characterised at laboratory scale to ensure its high thermal performances and its permeability to water vapour. The fabric finishing system was also designed to provide the possibility of easy tensioning and disassembly for cleaning or replacement. An innovative device, based on plastic zips, was developed and patented within the project. As part of the process, specific studies were developed about cold bridges, thermal capacity and environmental impact of the system. The wallpaper was finally tested and monitored to assess its in-situ thermal performance and the assembly procedure on a building at Politecnico di Milano.

关键词： energy retrofit textile components SiO 2 aerogel indoor insulation performance assessment

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dy/sup 3+/-doped Ge-Ga-S-KBr (or CsBr) glasses for the 1.3 /spl mu/m fiber amplifier materials

Dy/sup 3+/-doped Ge-Ga-S-KBr (or CsBr) glasses for the 1.3 /...

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Optical Fiber Communication (OFC) Conference

作者： Jong Heo Yong Beom Shin Hyoun Soo Kim Applied Optics R&D group Samsung Electronics Company Limited Pohang South Korea Non-Cry stalline Materials Laboratory Department of Materials Science and EngineeringBchool of Environmental Engineering Pohang University of Science and Technology South Korea

The addition of CsBr and KBr in Ge-Ga-S glasses doped with dy/sup 3+/ showed a remarkable increase in the 1.32 /spl mu/m emission intensity. Lifetimes and quantum efficiency also increased to 700 /spl mu/s and 100%, r... 详细信息

关键词： Glass Spectroscopy Absorption Stationary state Gain measurement Position measurement Fluorescence Solids

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