• Title/Summary/Keyword: Integrated system

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Investigation into SINS/ANS Integrated Navigation System Based on Unscented Kalman Filtering

  • Ali, Jamshaid;Jiancheng, Fang
    • 제어로봇시스템학회:학술대회논문집
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    • 2005.06a
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    • pp.241-245
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    • 2005
  • Strapdown inertial navigation system (SINS) integrated with astronavigation system (ANS) yields reliable mission capability and enhanced navigational accuracy for spacecrafts. The theory and characteristics of integrated system based on unscented Kalman filtering is investigated in this paper. This Kalman filter structure uses unscented transform to approximate the result of applying a specified nonlinear transformation to a given mean and covariance estimate. The filter implementation subsumed here is in a direct feedback mode. Axes misalignment angles of the SINS are observation to the filter. A simple approach for simulation of axes misalignment using stars observation is presented. The SINS error model required for the filtering algorithm is derived in space-stabilized mechanization. Simulation results of the integrated navigation system using a medium accuracy SINS demonstrates the validity of this method on improving the navigation system accuracy with the estimation and compensation for gyros drift, and the position and velocity errors that occur due to the axes misalignments.

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A Study on The Integrated Simulation of The Intelligent Building Control Systems and Network (인텔리전트 빌딩의 제어 시스템 및 네트워크의 통합 시뮬레이션에 관한 연구)

  • Shin, Jin-Sok;Lim, Dong-Jin
    • Proceedings of the KIEE Conference
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    • 1997.11a
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    • pp.106-108
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    • 1997
  • Many new office buildings are being built as intelligent buildings equipped with building automation(HA) systems, office automation(OA) systems, and telecommunication(TC) systems in order to provide pleasant building environment and the ease of maintenance and facility management. Building control systems which are employed in intelligent buildings require varieties of advanced control systems and network systems for efficient integrated management. Design and installation of these types of advanced building control systems take a lot of efforts and also they are costly. In order to design these systems, it is necessary for the designers to have the integrated simulator including proper network system simulation. In this paper, the integrated simulator that consist of HVAC system, lighting system, elevator system, parking system based on the network system is presented. For the development of integrated simulator, AHENA which is the general-purpose software tool for a simulation with reinforced GUI is used.

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INS/vision Integrated Navigation System in Environments with Insufficient Number of Landmarks (랜드마크가 충분하지 않은 환경에서의 관성/비전 통합항법시스템)

  • Kim, Youngsun;Hwang, Dong-Hwan
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.63 no.1
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    • pp.123-131
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    • 2014
  • An INS/vision integrated navigation algorithm is proposed for environments with insufficient number of landmarks. In the proposed algorithm, the raw measurements on the focal plane are directly used in order to cope with the situation where the number of landmarks are not sufficient. In addition to this, the combination of landmarks, which has smallest value of DOP, is used in the update of measurement in order to improve navigation performance. In order to evaluate the performance of the proposed integrated navigation system, Monte-Carlo simulation and van test was performed. The results of the simulation and experiment show that the proposed navigation system gives better navigation performance than an INS/vision integrated navigation system which does not use the raw measurements on the focal plane and the navigation system provides navigation solutions even in environments with insufficient number of landmarks.

Integrated Safety, Quality, and Environment Information System Based on Web Environment (웹 기반 하에서의 안전, 품질, 환경 통합 정보 시스템)

  • 박재현;김형준;나승훈;서지한;김귀남
    • Proceedings of the Safety Management and Science Conference
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    • 2000.05a
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    • pp.27-32
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    • 2000
  • This study presents the design of integrated safety, quality, and environmental information system based on the internet environment. Quality management system, environmental management system, and safety management system are adapted in many manufacturing and service organization respectively but those system does not work effectively. Especially safety management system and environmental management system are very similar with format and contents. Therefore, Those system must be integrated to increase effiency.

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A Study for Integrated Ocean Energy Utilization System (해양에너지의 복합이용시스템에 관한 기초연구)

  • 김현주;홍석원
    • Proceedings of the Korea Committee for Ocean Resources and Engineering Conference
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    • 2001.05a
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    • pp.83-86
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    • 2001
  • This paper aims to make a feasibility study and to propose a master plan for the development of "integrated ocean energy utilization system", which utilizes various renewable ocean energies. Fossils energy, as the most important energy resources which are inevitable for the living and industrial development, becomes exhausted and its consumption creates serious environmental problem. It is important to utilize renewable ocean energy for a sustainable and environmentally friendly development. We survey the integrated utilization of ocean energy based on surveyed energy density distribution and propose concepts of integrated ocean energy utilization plant for both onshore and offshore system. The results of this study can support national effort for renewable energy development utilizing integrated ocean energy and refer as a guideline for the technical development of sustainable integrated ocean energy.

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A Study on the Integrated Control and Safety Management System for a LNG Storage Tank (LNG 저장탱크의 통합제어 안전관리 시스템에 관한 연구)

  • Kim Chung Kyun
    • Journal of the Korean Institute of Gas
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    • v.9 no.1 s.26
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    • pp.44-50
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    • 2005
  • This paper presents integrated control and safety management system for a LNG storage tank. This system is for collecting and analyzing the temperature, pressure, and vibration signals in which are used to control and guarantee the system safety and leakage control from the inner gas tank. Based on the investigations of LNG tank related failures and accidents, we strongly recommend the modification and new development of current safety related measuring and control systems because the LNG tank is constructed bigger and bigger in recent years for the efficiency and safety increments. Thus, this paper presents newly developed integrated control and safety management system for a large LNG storage tank. This system provides the enhanced measuring and control systems, and new displacement based safety system, which may detect and control the deformation properties of tank structures. In addition, we recommend that the new integrated control and safety management system should be coupled by process integrated innovation system (PIIS) for an increased safety, efficiency, and productivity of LNG tanks.

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Development of Information Model based Integrated Management and Monitoring System for Naval Ship Combat System with Heterogeneous Distributed Environments (이기종 분산 환경의 함정전투체계를 위한 정보 모델 기반 통합 관리 및 모니터링 시스템 개발)

  • Min, Bup-Ki;Kim, Hyeon-Soo;Kuk, Seung-Hak;Kim, Chum-Su;Han, Woong-Gie
    • Journal of the Korea Institute of Military Science and Technology
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    • v.15 no.4
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    • pp.381-389
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    • 2012
  • In the existing naval combat system, integrated management is done based on subsystems that make up the system. The naval combat system, however, is a large-scale distributed system made up of subsystems of diverse heterogeneous environments. Although each of the subsystems can be easily managed because they are on the same platform, it is extremely difficult to integrate and manage as a single entity all subsystems that make up the naval combat system because the heterogeneous environments and distributed systems have to be taken into account. In fact, there hasn't been a technique available to integrate and manage subsystems that make up the naval combat system, until now. In this paper, the architecture of an integrated management system is designed and implemented to provide the user with various services. Furthermore, a system that can manage subsystems of the naval combat system in an integrated way is developed.

V&V of Integrated Interoperability System for LVC Simulation on Aircraft Weapon System (항공무기체계 LVC 시뮬레이션을 위한 통합연동시스템 V&V)

  • Oh, Jihyun;Jang, Young Chan;Kim, Cheon Young;Jee, Cheol Kyu;Hong, Young Seok
    • Journal of the Korea Institute of Military Science and Technology
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    • v.18 no.3
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    • pp.326-334
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    • 2015
  • This paper describes the verification and the validation about the development of the integrated interoperability system for live, virtual, and constructive simulations on the aircraft weapon system. The proposed integrated interoperability system provides the framework and application softwares for implementing a synthetic environment emulating real-world environment among distributed simulation models, which are a mission model and an air combat model of a constructive level, an tactical simulator of a virtual level, and simulated ACMI of a live level. In this paper, we verify requested functions through an developmental test and evaluation, and validate operability and usability through conducing integrated LVC scenarios on the integrated interoperability system.

Development of the Prototype of Integrated Information System for Conflation and Utilization of Land and Building Information (토지·건물정보의 융복합 및 활용을 통한 통합정보시스템 프로토타입 개발)

  • Park, Woo-Jin;Jeong, Dong-Hoon;Park, Jung-Hee
    • Journal of Cadastre & Land InformatiX
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    • v.46 no.2
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    • pp.341-356
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    • 2016
  • Land information and building information have highest utilization and importance in real estate and city administration area. However, providing integrated information service was difficult because conflation and integrative utilization was not easy. In this study, necessity of integrated information system, direction of integration, method of conflation and design of integrated system for land and building information are presented. In addition, the prototype system is developed and possibility of application of integrated information is proposed. For this purpose, current situation of management of land and building information was analyzed. Based on the analysis, matching and conflation processes among spatial and attribute data were applied to land and building information. Using integrated land building information DB, integrated information system and functions were designed and the prototype system was constructed. At last, information service examples in real estate and city administration area were suggested through system operation by LX.