• Title, Summary, Keyword: Intelligent Platform

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New Formulation Method for Reducing the Direct Kinematic Complexity of the 3-6 Stewart-Gough Platform

  • Song, Se-Kyong;Kwon, Dong-Soo
    • Transactions on Control, Automation and Systems Engineering
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    • v.4 no.2
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    • pp.156-163
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    • 2002
  • This paper presents a new formulation to simplify the three resulting constraint equations of the direct kinematics of the 3-6 (Stewart-Gough) Platform. The conventional direct kinematics of the 3-6 Platform has been formulated through complicated steps with trigonometric functions in three angle variables and thus results in the computational burden. In order to reduce the formulation complexity, we replace an angle variable into a length one and express three connecting joints on the moving platform in the same frame. The proposed formulation yields considerable abbreviation of the number of the calculation terms involved in the direct kinematics. It is verified through a series of simulation results.

A Study for FIPA-OS Multi-Agent Framework in OSGi Service Platform

  • Lee, Hyung-Jik;Kang, Kyu-Chang;Lee, Jeun-Woo
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • pp.232-235
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    • 2003
  • In this paper, we implemented a FIPA-OS multi-agent framework bundle in OSGi Service Platform. FIPA-OS is an open agent platform for constructing FIPA compliant agent using mandatory components that required by all FIPA-OS agents to execution and optional components that FIPA-OS agent car optionally use. The platform supports communication between multiple agents and communication language which conforms to the FIPA standards. FIPA-OS framework bundle is composed of DE(Directory Facilitator), AMS(Agent Management System), ACC(Agent Communication Channel) and MTS(Message Transport System) bundle. These bundles installed in the OSGi service platform and their life cycle can be managed by the framework.

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Intelligent WAVE/DSRC Platform Technology for Efficient Data Transmission in Vehicle Communication (차량 통신에서의 효율적인 데이터 전송을 위한 지능형 WAVE/DSRC 플랫폼 기술 연구)

  • Kim, Jae Wan;Jeon, Hyun Min;Kim, Swung Ku
    • Journal of Korea Multimedia Society
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    • v.20 no.9
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    • pp.1519-1526
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    • 2017
  • The existing DSRC(Dedicated Short Range Communication) scheme has a limitation in providing various services through short-range wireless communication. Therefore, it is necessary to develop an intelligent WAVE/DSRC hybrid wireless platform that can improve data transmission speed and extend the effective communication range. This paper introduces WAVE/DSRC integrated platform technology using WAVE(Wireless Access in Vehicle Environments) to overcome the disadvantages of DSRC. First, the desinged software configuration of the WAVE/DSRC integrated platform is described. Then each task operation scheme and WAVE software design are described. By applying the WAVE/DSRC integrated platform, we can compensate the shortcomings of DSRC. It can provide more accurate and reliable services.

Android-Based E-Board Smart Education Platform Using Digital Pen and Dot Pattern

  • Cho, Young Im;Altayeva, Aigerim Bakatkaliyevna
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • v.15 no.4
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    • pp.260-267
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    • 2015
  • In the past, we implemented a web-based smart education platform, but this is not efficient in a smart or mobile education environment. Therefore, in this paper, we propose an Android-based e-board smart platform for a smart or mobile education system. Here, we use Anoto digital pen- and dot pattern-based technologies. This Android-based smart education platform is efficient for a smart education environment. Further, we implement the hardware and software parts of the technologies, an Anoto-based trajectory recognition algorithm, and a probabilistic neural network for handwritten digit and hand gesture recognition.

A Power-line Frequency Monitoring Intelligent Electronic Device(IED) Platform (전력선 주파수 모니터링을 위한 Intelligent Electronic Device(IED) 플랫폼)

  • Jeon, Hyeon-Jin;Yi, Don-Jin;Jeon, Jun-Gil;Chang, Tae-Gyu
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.58 no.5
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    • pp.1047-1049
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    • 2009
  • This paper presents an intelligent electronic device(IED) platform which is based on a new frequency estimation algorithm. The IED platform features not only the accurate estimation of frequency but also the fast network-based transmisstion of fault data and waveforms. The simulation results show that the proposed frequency estimation algorithm improves convergence speed, and has lower frequency estimation error compared with those of conventional algorithms. The network-based IED is designed to ensure transmission latency being less than 1.0% of sampling interval.

Study on Survival Effectiveness of Intelligent System for Warrior Platform by using AWAM (지상무기효과분석모델(AWAM)을 활용한 워리어 플랫폼 지능형 조절 시스템 생존 효과도에 관한 연구)

  • Kwon, Youngjin;Kim, Taeyang;Chae, Je Wook;Kim, Juhee
    • Journal of the Korea Institute of Military Science and Technology
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    • v.23 no.3
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    • pp.277-285
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    • 2020
  • Survivability in a battle field is the most important aspect to the warriors. To analyze the survival effectiveness of warrior platform, the simulation via war-game model is an essential step in advance to the development of platform. In this study, Army Weapon effectiveness Analysis Model(AWAM) was utilized for analysis. Several weapon parameters were adjusted to apply the characteristics of warrior platform in some cases of the defense and survival system. Especially, adjusted triage possibility, probability of kill, fatality and accuracy were employed as parameters in the simulation program to evaluate the survival effectiveness of intelligent system based on the previous researches. In the future battle field or virtual space in the AWAM, the warrior platform intelligent system could react emergency treatment on time by expoiting the bio-information of man at arms. Considering the order of supply priority, special force was selected as operating troops and battle scenario without engagement was selected to measure accurate survival effectiveness. In conclusion, the survivability of defence and survival system of the warrior platform was about 1.47 times higher than that of current system.

MAMI: Agent Platform in a Multi-Agent System Providing Medical information (MAMI: 의료 정보 제공을 위한 멀티 에이전트 시스템에서의 에이전트 플랫폼)

  • Choi, Won-Ki;Kim, Il-Kon
    • Journal of KIISE:Computing Practices and Letters
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    • v.7 no.5
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    • pp.489-497
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    • 2001
  • This paper describe design and implementation of a medical multi-agent system platform called MAMI (Multi-Agent system for Medical Image), which provides intelligent medical information services. The most important component of MAMI is a medical multi-agent system platform that supports a physical environment that medical agents can be deployed. MAMI follows FIPA (Foundation for Intelligent Physical Agent)\`s agent management reference model. In MAMI, COM(Common Object Model) and XML (eXtensibel Markup Language) for encoding ACL (Agent Communication Language) are used for multi-agent communications. In MAMI, a medical staff is conceptualized as an agent and integrated with multi-agent systems. MAMI agent platform provides an infrastructure applicable to share necessary knowledge between human agents and software agents. So MAMI makes intelligent medical information services easier.

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Optimal Configuration Control for a Mobile Manipulator

  • Kang, Jin-Gu;Jin, Tae-Seok;Kim, Min-Gyu;Lee, Jang-Myung
    • Journal of Mechanical Science and Technology
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    • v.14 no.6
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    • pp.605-621
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    • 2000
  • A mobile manipulator-a serial connection of a mobile platform and a task robot-is redundant by itself. Using its redundant freedom, a mobile manipulator can move in various modes, i. e., can perform dexterous tasks. In this paper, to improve task execution efficiency utilizing redundancy, optimal configurations of the mobile manipulator are maintained while it is moving to a new task point. Assuming that a task robot can perform the new task by itself, a desired configuration for the task robot can be pre-determined. Therefore, a cost function for optimality can be defined as a combination of the square errors of the desired and actual configurations of the mobile platform and of the task robot. In the combination of the two square errors, a newly defined mobility of a mobile platform is utilized as a weighting index. With the aid of the gradient method, the cost function is minimized, so the tasle that the mobile manipulator performs is optimized. The proposed algorithm is experimentally verified and discussed with a mobile manipulator, PURL-II.

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Goal-Posture-Determination of a Steerable Mobile Robot for Active Information Display

  • Lee, Jeong-eom;Yi, Chong-ho;Kim, Dong-won
    • Journal of Platform Technology
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    • v.6 no.4
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    • pp.3-10
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    • 2018
  • A projection-based active information display system was proposed. The proposed system is based on Intelligent Space and a steerable projector mounted mobile robot which is called Ubiquitous Display (UD). In order to transfer visual information for a human in the Intelligent Space, the UD projects a certain shape of an image with a fixed size. Due to redundancy of degree of freedom (DOF), there are lots of situations to project a same shape and size of the image on a surface. In this paper, we describe a method to determine a goal posture of the UD. Here, the goal posture is the most efficient position and orientation of the UD so as to project visual information and it is determined by the Intelligent Space. To verify the proposed method, simulation and demonstration are carried out.