• Title, Summary, Keyword: Intelligent Platform

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Development of the Train Dwell Time Model : Metering Strategy to Control Passenger Flows in the Congested Platform (승강장 혼잡관리를 위한 열차의 정차시간 예측모형)

  • KIM, Hyun;Lee, Seon-Ha;LIM, Guk-Hyun
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.16 no.3
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    • pp.15-27
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    • 2017
  • In general, increasing train dwell time leads to increasing train service frequency, and it in turn contributes to increasing the congestion level of train and platform. Therefore, the studies on train dwell time have received growing attention in the perspective of scheduling train operation. This study develops a prediction model of train dwell time to enable train operators to mitigate platform congestion by metering passenger inflow at platform gate with respect to platform congestion levels in real-time. To estimate the prediction model, three types of independent variables were applied: number of passengers to get into train, number of passengers to get out of trains, and train weights, which are collectable in real-time. The explanatory power of the estimated model was 0.809, and all of the dependent variables were statistically significant at the 99%. As a result, this model can be available for the basis of on-time train service through platform gate metering, which is a strategy to manage passenger inflow at the platform.

Design and Implementation of a Multi-Intelligent Agent based Platform for a Bio-Inspired System (생태계 모방 시스템을 위한 멀티 지능형 에이전트 기반의 플랫폼 설계 및 구현)

  • Moon, Joo-Sun;Nang, Jong-Ho
    • Journal of KIISE:Computing Practices and Letters
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    • v.13 no.7
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    • pp.545-549
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    • 2007
  • The Bio-Inspired System focuses on the creation of an effective system model for massive network applications and is being widely developed. However, the system has a problem-difficulty implementing three features in the system, which includes scalability, adaptability and survivability. To solve this problem, we designed an Ecogent as a multiple intelligence agent, and a Bio-platform to address the three features of scalability, adaptability and survivability. The Bio-Inspired System Platform consists of an ERS (Ecogent Runtime Services) Platform and a Bio-Platform. The ERS platform serves the basic functions of mobile agents, such as Registration, Life Cycle, Migration, Communication, Location and Fault Tolerance. The Bio-Platform includes the functions of Evolution Control and Stigmergy Control to address evolution and adaptation.

Human and Robot Tracking Using Histogram of Oriented Gradient Feature

  • 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.18-25
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    • 2018
  • This paper describes a real-time human and robot tracking method in Intelligent Space with multi-camera networks. The proposed method detects candidates for humans and robots by using the histogram of oriented gradients (HOG) feature in an image. To classify humans and robots from the candidates in real time, we apply cascaded structure to constructing a strong classifier which consists of many weak classifiers as follows: a linear support vector machine (SVM) and a radial-basis function (RBF) SVM. By using the multiple view geometry, the method estimates the 3D position of humans and robots from their 2D coordinates on image coordinate system, and tracks their positions by using stochastic approach. To test the performance of the method, humans and robots are asked to move according to given rectangular and circular paths. Experimental results show that the proposed method is able to reduce the localization error and be good for a practical application of human-centered services in the Intelligent Space.

Design of Community Computing Platform based on OSGi for intelligent service (지능적인 서비스를 위한 OSGi 기반 커뮤니티 컴퓨팅 플랫폼 설계)

  • Kim, Tae-Su;Park, Hui-Jung;You, Soung-Hun;Cho, We-Duke
    • 한국HCI학회:학술대회논문집
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    • pp.309-313
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    • 2008
  • The realization of intelligent services for users is the ultimate goal of ubiquitous computing. The Context-awareness for the realization of intelligent environment organization are important components. Many of the research institution are researching. Therefore, our research introduces about the dynamic environment organization based on context-awareness and the way of providing service for users. Also, our research proposes the community computing platform based on OSGi.

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A Research of Storage Platform on Digital Convergence Environment (Digital Convergence 환경 하의 스토리지 시스템 연구)

  • Kim, Young-Hwan;Jeon, Ki-Man;Park, Chang-Won
    • 한국정보통신설비학회:학술대회논문집
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    • pp.388-396
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    • 2005
  • 차세대 디지털 컨버젼스 플랫폼(Digital Convergence Platform, DCP)을 개발하는 데 있어 현재의 네트워크 스토리지는 성능 및 기능면에 있어 여러 가지 문제점을 가지고 있어 새로운 네트워크 스토리지 솔루션 개발이 필요한 실정이다. 본 논문은 "IP 기반의 능동형 미디어 스토리지 플랫폼"이라는 미래의 네트워크 스토리지 시스템의 분석을 통해, 서비스에 따라 능동적으로 동작하여 새로운 서비스에 최적화 시킬 수 있고, 서로 다른 프로토콜을 사용하여 스토리지 간에 호환이 되지 않는 문제점을 프로토콜 컨버젼스 기술을 통해 연결시켜 주는 등 신기술을 활용함에 따라 이러한 문제점을 해결하기 위한 방안을 제시한다. 결과적으로 서비스에 따라 독립적으로 데이터 프로세싱을 하는 하드웨어를 개발함에 따라 스토리지에 데이터 기록 및 검색에 있어 데이터 병목현상을 제거하여 대폭 성능을 향상 시킬 수 있다.

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Precision time sync. HW/SW platform for power system protection (전력시스템 보호를 위한 정밀 시각 동기 적용 HW/SW 플랫폼 기술)

  • Nam, Kyung-Deok;Son, Kyu-Jung;Chang, Tae-Gyu;Kang, Sang-Hee
    • Journal of IKEEE
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    • v.22 no.4
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    • pp.1036-1043
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    • 2018
  • This paper presented future power system protection technologies through the HW/SW integration platform with IEC 61850 and IEEE c37.238 standards. To determine the implementation performance of the integrated platform, an example of EVM (Evaluation Module) was constructed to satisfy the standards. The platform has been identified as a future power system integrated IED(Intelligent Electronic Device) HW/SW technology that meets the level of error required by the time sync standard and the level of delay required by protecting the power system.

The Design of Sliding Mode Controller with Sliding Perturbation Observer for a Robust Control of Stewart Platform Manipulator (스튜어트 플랫폼의 견실제어를 위한 슬라이딩 섭동 관측기를 갖는 슬라이딩 모드 제어기 개발)

  • You, Ki-Sung;Park, Min-Kyu;Lee, Min-Cheol
    • Journal of Institute of Control, Robotics and Systems
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    • v.8 no.8
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    • pp.639-648
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    • 2002
  • The stewart platform manipulator is a manipulator that has the closed-loop structure with an upper plate end-effector and a base frame. The stewart platform manipulator has the merit of high working accuracy and high stiffness compared with a serial manipulator. However, this is a complex structure, so controllability of the system is not so good. In this paper, we introduce a new robust motion control algorithm using partial state feedback for a class of nonlinear systems in the presence of modelling uncertainties and external disturbances. The major contribution of this work introduces the development and design of robust observer for the state and the perturbation, which is integrated into a variable structure controller(VSC) structure. The combination of controller/observer improves the control performance, because of the robust routine called sliding mode control with sliding perturbation observer(SMCSPO). Simulation and experiment are performed to apply to the manipulator. And their results show a high accuracy and a good performance.

An Educational Service Platform using Collective Intelligence and Presence of Web 2.0

  • Kim, Chang-Suk;Son, Dong-Cheul;Cho, Chung-Ho
    • Journal of Korean Institute of Intelligent Systems
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    • v.19 no.1
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    • pp.115-121
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    • 2009
  • Web 2.0 has become the face next generation Web among the business world and research community. Web 2.0 is instant superficial gratification of people. On the other hand, Semantic Web is deep, meaningful and lasting relationship with data. So, it is difficult to apply the Semantic Web to the real world. In this paper, a platform for educational services using the Semantic Web and Web 2.0 is proposed. The proposed platform is based mix of the Semantic Web and Web 2.0, so it is useful to apply in the real world applications. Two services are presented, one is a semantic email system and the other is a cyber study space. The cyber study space adjusted each student is presented. The study environment is called iStudySpace that has personal scheduler, study status plan table, personalized search engine and several gadgets. Finally characteristics and limitations of the Semantic Web and Web 2.0, the organization and components of the platform, evaluation of iStudySpace are shown.

A Study on the Design of multimedia Service Platform on Wireless Intelligent technology (무선인식 기술기반 멀티미디어 서비스 플렛폼 설계에 관한 연구)

  • Kang, Myoung-Ku
    • The Journal of the Korea institute of electronic communication sciences
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    • v.4 no.1
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    • pp.25-32
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    • 2009
  • The advancements in the infusion of broadcasting and communication and the radio frequency identification technology have made the next generation mobile communication service technology be recognized as an important technology in many different fields and demanded systems of practical service using the technology. Designed in the study was a multimedia platform that would increase the utilization efficiency of limited frequency resources, which made an important part of the next generation mobile communication technology using the radio frequency identification technology, search for vacant frequencies not generating interfering signals to the old frequency users, and consider the growth of infused and complex services. In order to implement the platform, the investigator applied STI as a research model to maximize the functions of a service system and improve reliability. And also suggested IDMA of information required for platform building to maximize the functions of a service system.

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