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Self-supported VO_(2) on polydopamine-derived pyroprotein-based fibers for ultrastable and flexible aqueous zinc-ion batteries

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Carbon Energy 2024年第7期6卷 1-13页

作者： Jeong Seok Yeon Sul Ki Park Shinik Kim Santosh VMohite Won Il Kim Gun Jang Hyun-Seok Jang Jiyoung Bae Sang Moon Lee Won GHong Byung Hoon Kim Yeonho Kim Ho Seok Park School of Chemical Engineering College of EngineeringSungkyunkwan UniversityGyeonggi-doRepublic of Korea Department of Engineering University of CambridgeCambridgeUK Department of Applied Chemistry Konkuk UniversityChungjuRepublic of Korea Department of Chemistry Ulsan National Institute of Science and Technology(UNIST)College of Natural SciencesUlsanRepublic of Korea Department of Physics Incheon National UniversityIncheonRepublic of Korea Intelligent Sensor Convergence Research Center Incheon National UniversityIncheonRepublic of Korea Institute of Basic Science Incheon National UniversityIncheonRepublic of Korea Division of Material Analysis and Research Korea Basic Science InstituteDaejeonRepublic of Korea

A conventional electrode composite for rechargeable zinc-ion batteries(ZIBs)includes a binder for strong adhesion between the electrode material and the current ***,the introduction of a binder leads to electrochemical inactivity and low electrical conductivity,resulting in the decay of the capacity and a low rate *** present a binder-and conducting agent-free VO_(2) composite electrode using in situ polymerization of dopamine on a flexible current collector of pyroprotein-based *** as-fabricated composite electrode was used as a substrate for the direct growth of VO_(2) as a self-supported form on polydopamine-derived pyroprotein-based fibers(pp-fibers@VO_(2)(B)).It has a high conductivity and flexible nature as a current collector and moderate binding without conventional binders and conducting agents for the VO_(2)(B) *** addition,their electrochemical mechanism was *** energy storage is induced by Zn^(2+)/H^(+) coinsertion during discharging,which can be confirmed by the lattice expansion,the formation of by-products including Zn_(x)(OTf)_(y)(OH)_(2x−y)·nH_(2)O,and the reduction of V^(4+)to V^(3+).Furthermore,the assembled Zn//pp-fibers@VO_(2)(B) pouch cells have excellent flexibility and stable electrochemical performance under various bending states,showing application possibilities for portable and wearable power sources.

关键词： aqueous battery binder free conducting agent‐free flexible electrode zinc‐ion battery

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Intelligent Biorobot platform for integrated clinical test

Intelligent BioRobot platform for integrated clinical test

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2006 SICE-ICASE International Joint Conference

作者： Byung, June Choi Kyuho, Noh Jung, Woo Kim Sung, Moon Jin Ja, Choon Koo Sung, Moo Ryew Jinhyun, Kim Woong, Hee Son Ahn, Ki Tak Wankyun, Chung Hyouk, Ryeol Choi School of Mechanical Engineering Sungkyunkwan University Suwon Korea Republic of Division of System Development KnR System Inc. Youngin Korea Republic of Division of Applied Robot Technology Korea Institute of Industrial Technology Cheonan Korea Republic of Pohang Institute of Intelligent Robotics Pohang Korea Republic of Department of Mechanical Engineering Pohang University of Science and Technology Pohang Korea Republic of

ISBN: (纸本)8995003855

Recently, automation in clinical test is raised as a fusion of bio and robotic technology. Particularly, automation in clinical test becomes a new application area of the robotic technology. In this paper, we present a robot platform for clinical test suitable for small or medium size of hospitals. The platform is designed to minimize the consumption of reagents, and easily integrate various testing equipments since it is functionally modularized. The platform is aimed for accommodating almost 70 kinds of clinical tests, which are the most frequently conducted in the hospitals. The platform consists of several major function blocks such as manipulation, transportation and detection, incubation, reservation, and each of them is designed as a module of the system. Basic ideas of the design are described and each functional block is explained in details. © 2006 ICASE.

关键词： Intelligent robots

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Extracting extrinsic parameters of a laser scanner and a camera using EM

Extracting extrinsic parameters of a laser scanner and a cam...

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SICE Annual Conference

作者： Jae-Han Park Yong-Deuk Shin Kyung-Wook Park Seung-Ho Baeg Moon-Hong Baeg Division of Applied Robot Technology Korea Institute of Industrial and Technology Seoul South Korea

The robot's ability of perceiving their environments is primary functionality for a number of applications such as the rescue, navigation and manipulation. In these applications, the 3D colored map image is very useful information because it provides not only scene data but spatial data. For acquiring reliable 3D colored maps from the camera and the 3D laser scan system, one of the fundamental issues is the extrinsic calibration that calculates the rigid transformation (i.e., rotation and translation) between camera and laser coordinate system. In this paper we propose a novel method of getting extrinsic parameters which is insensitive to the noise of laser scanner measurements. Our approach introduces Expectation-Maximization(EM) algorithm to robust estimation of the relations between the camera and the laser scanner coordinate system in noisy environments. Simulations at various conditions with adding the laser measurement noise are performed to verify the effectiveness of our approach, and they show improved performances in estimating the extrinsic calibration parameters.

关键词： Cameras Laser noise Working environment noise Calibration Noise measurement Performance evaluation Data mining robot vision systems robot kinematics Navigation

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Forecasting moving object position based on temporal patterns 5

Forecasting moving object position based on temporal pattern...

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5th International Conference on Indoor Positioning and Indoor Navigation, IPIN 2014

作者： Vu, Thi Hong Nhan Le, Thanh Ha Lee, Yang Koo Faculty of Information Technology UET Vietnam National University Hanoi Vietnam Viet Nam Positioning/Navigation Technology Research Section Robot/Cognitive Convergence Research Division Electronics and Telecommunication Research Institute Daejeon Korea Republic of

ISBN: (纸本)9781467380546

Knowing the future position of a mobile user bring huge benefit to applications in the field of location-based services (LBSs). One of the major advantages is that helps LBSs provide targeted content or disseminate advertisement to mobile users at the right time right place. This research introduces a new technique for forecasting future position. It is based on temporal patterns discovered from the historical user mobility. The algorithm is validated in consideration of precision and recall and spatial granularity. The experimental results show that the proposed technique outperforms the existing one. With this research achievement, we give an efficient support to the LBSs provider in monitoring user intelligently and sending information to user in a push-driven fashion. Apart from the support of timely and desired services and enhanced automation, the technique helps overcome some existing issues such as network flooding due to the massive tracking of users, the latencies of the positioning systems in providing and information delivery. Accordingly, the positioning is more reliable, which enables the service provider to effectively and efficiently offer location-based services with high frequency. © 2014 IEEE.

关键词： Location based services

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Development of task planner for u-intelligent educational robots

Development of task planner for u-intelligent educational ro...

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SICE Annual Conference

作者： Woohyun Ko Jaeseong Han Sanghoon Ji Kyungtae Nam Sangmoo Lee Woonghee Shon Division of Applied Robot Technology Korea Institute of Industrial and Technology Ansan South Korea

Recently, robots have penetrated the education market. But the power train for commercializing the robots has not been prepared yet due to chasm between developers and customers. Thus, we present a tool for u-intelligent educational robots to help customers design robot contents easily. To do so, our tool has several features. First, the tool is based on a behavior-based control architecture for human-robot-interaction. Second, the tool has behavior categories for convenience. Finally, robot contents are based on commercial multi-media for compatibility with established educational contents. Effectiveness and practicality of our tools are verified by physical implementation for commercial educational robots.

关键词： Educational robots Service robots Orbital robotics Educational programs Human robot interaction Educational technology Hardware Intelligent robots Communications technology Programming profession

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Visual Servoing of a Wheeled Mobile robot using Unconstrained Optimization with a Ceiling Mounted Camera

Visual Servoing of a Wheeled Mobile Robot using Unconstraine...

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IEEE International Workshop on robot and Human Communication (ROMAN)

作者： Gon-Woo Kim Kyung-Tae Nam Sang-Moo Lee Division of Applied Robot Technology Korea Institute of Industrial and Technology Ansan South Korea

We propose an image-based visual servoing algorithm of a wheeled mobile robot utilizing a ceiling mounted camera. The visual navigation of a mobile robot is defined as an unconstrained optimization problem to minimize the image difference between the goal position and the position of a mobile robot in the image plane. Full New ton's method is applied for unconstrained optimization. We also propose a method to find the Hessian term of the image error using a secant approximation method. The performance of visual servoing was evaluated using the simulation.

关键词： Visual servoing Mobile robots robot vision systems Cameras robot kinematics Jacobian matrices Motion planning Service robots Human robot interaction Orbital robotics

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Service-oriented reverse reengineering: 5W1H model-driven re-documentation and candidate services identification

Service-oriented reverse reengineering: 5W1H model-driven re...

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IEEE International Conference on Service-Oriented Computing and Applications, SOCA' 09

作者： Chung, Sam Won, Daehee Baeg, Seung-Ho Park, Sangdeok Institute of Technology University of Washington Tacoma 1900 Commerce Street Tacoma WA 98402 United States Division of Applied Robot Technology Korea Institute of Industrial Technology 1271-18 Sa 1-Dong Sangrok-Ku Ansan Gyeonggi-Do Korea Republic of

ISBN: (纸本)9781424452996

The purpose of this paper is to propose a service-oriented reverse reengineering that consists of re-documentation and design recovery. To understand the legacy system, we need to re-document the legacy system in a high-level abstraction by using UML visual models through an initial reverse engineering. For this re-documentation, we propose a new re-documentation technique called 5W1H (Why, Who, When, Where, What, and How) model-driven re-documentation. Based upon the re-documented software visual model, we attempt to identify the scope of locating the candidate services from a legacy system. To show the feasibility of our approach, two applications using different design methods and architectures are re-documented into visual models. After recovering design methods and architectural patterns from the visual models, which have been injected into source code implicitly or explicitly to bring clear separation of concerns, we locate the scope of candidate services from the legacy system. We can reduce the effort of identifying candidate services by using the visualized model since we can discover highly possible locations for reusable business logic effectively. The service-oriented reverse engineering using 5W1H re-documentation technique will help a service producer to easily discover the candidate services from a legacy system through software re-documentation. ©2009 IEEE.

关键词： Legacy systems

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Growth Engines and Key Technologies for Manufacturing Innovation: An IMS Perspective

Growth Engines and Key Technologies for Manufacturing Innova...

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2008 International Conference on Smart Manufacturing Application (ICSMA 2008)

作者： Byung-Wook Choi Division of Applied Robot Technology Korea Institute of Industrial and Technology Ansan South Korea

Based on the recent IMS Vision Forum held by the International IMS Program (Scheme), the growth engines that would help manufacturing sector economically grow in the future are explored in this paper. Key technologies for manufacturing innovation and environmental sustainability that will be needed to support the growth engines are then sought, along with education for future manufacturing.

关键词： Growth Engine IMS Program (Scheme) Manufacturing Innovation Manufacturing Technologies

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Development of A Glove-Based Input Device

Development of A Glove-Based Input Device

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首届亚洲机械电子学学术会议

作者： Daeheui Won Moosung Choi Kwangwoong Yang Minsung Kang Sensing and Perception Research Team Division for Applied Robot Technology (DART) Korea Institute of Industrial Technology (KITECH) Cheonan & Ansan KOREA Division for Applied Robot Technology (DART) Korea Institute of Industrial Technology (KITECH) Cheonan & Ansan KOREA Division for Applied Robot Technology (DART) Korea Institute of Industrial Technology (KITECH) Cheonan & Ansan KOREA

In this paper,we proposed a new wearable input device by recognizing human hand-motions,so-called a wearable keyglove,which can solve the disadvantages of the conventional input devices and can be adapted to the mobile computing *** system is applied to the touch- typing-input method by means of hands for user's easy understanding and improvement of input speed,and we analyzed hand-motions for touch-typing using QWERTY keyboard because it is most widely used *** the analyzed result,we are able to reduce the model with 21 DOF to one that is approximated by 14 *** we developed the hand-motions capture module using low price sensors for hand-motions recognition(production cost is about $15). Typists using the keyglove system can not exactly determine the key position of desired input letter because of the virtual keyboard without the physical location of a key *** problem caused many typing errors at long typing time. Therefore an algorithm is needed to cope with the problem and needed to reduce typing errors due to personal differences such as hand shapes and typing *** this reason,we proposed the time-variant prediction algorithm for the least typing error and confirmed the possibility of the keyglove system.

关键词： Wearable Input Device Virtual Keyboard Data Glove

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A Model-Driven Scrum process for Service-Oriented Software Reengineering: MScrum4SOSR

A Model-Driven Scrum process for Service-Oriented Software R...

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2009 2nd International Conference on Computer Science and Its Applications, CSA 2009

作者： Chung, Sam Won, Dae Hee Baeg, Seung-Ho Park, Sangdeok Institute of Technology University of WA Tacoma 1900 Commerce St. Tacoma WA 98402 United States Division of Applied Robot Technology Korea Institute of Industrial Technology 127-18 Sa 1-Dong Sangrok-Ku Ansan Gyeonggi-Do Korea Republic of

ISBN: (纸本)9781424449460

The purpose of this paper is to propose a new service-oriented software reengineering process that is model-driven and Scrum-oriented, which we call Model- Driven Scrum for Service-Oriented Software Reengineering (mScrum4SOSR). This process is an integration of a popular agile software development process, Scrum, with the concept of UML as a blueprint or executable for. The mScrum4SOSR is applied to three development teams: a reverse engineering team and two forward engineering teams for service consumption and production. To comprehend internal operations of a legacy system, the reverse engineering team represents a high level abstraction of the system in visual models. Scrum is conducted to generate a sharable visual model at this reverse engineering phase. The model is subdivided into two models for service consumer and producer by identifying candidate services from the model of the legacy system. With the models and the product backlog, two Sprints for service consumer and producer start at the next forward software engineering phase in parallel. The development team of each Sprint shares the changes of the models and the Scrum Master maintains the synchronized version of the model for partially shippable target system during a Sprint. The process brings two main benefits to the SOSR teams: 1) we can seamlessly use an agile process, Scrum, for a reverse engineering team and two forward software engineering teams. And 2) the model-driven process complements the project management process Scrum by injecting one of the best software development practices, elevating the level of abstraction, into Scrum. © 2009 IEEE.

关键词： Legacy systems

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