• Title/Summary/Keyword: Verification and Certification

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Analysis of the Correlation between Armament/Store Integration Criteria and Aircraft Launch Missile Development Process (무장/장착물 통합 기준과 항공기 발사 순항 유도무기 개발 프로세스의 상관성 분석)

  • Choi, Seok-min;Lee, Jong-hong;Kim, Ji-min;Lee, Seoung-pil;Jung, Jae-won
    • Journal of Advanced Navigation Technology
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    • v.22 no.2
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    • pp.84-89
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    • 2018
  • Due to the development of domestic technology, a variety of aircraft launch weapons have been developed, and the importance of aircraft-store integration certification is increasing. The aircraft-Store integration certification is to certify compliance with the armaments/stores integration criteria set out in the Standard ACC and to prove that there is no problem with the safety flight. Therefore, it is necessary to reflect the requirements of the aircraft in the store development process to reduce the design change requirement in the compatibility verification stage. In this paper, the relationship between the Standards ACC, aircraft-store compatibility reference document MIL-HDBK-1763, and the development process of cruise guided weapons have been analyzed. As a result of the analysis, it was concluded that the design changes in the aircraft-store integration certification stage could be reduced if the aerodynamic and structural design requirements were reflected from the conceptual design stage.

Blockchain and Cryptocurrency Distributed Testing Methods

  • Lee, Taegyu
    • International Journal of Internet, Broadcasting and Communication
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    • v.14 no.1
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    • pp.1-9
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    • 2022
  • Recently, a large number of cryptocurrencies and block chains have been continuously released. However, these cryptocurrencies and block chains are open to users without authorized verification and testing procedures, causing various reliability problems. Existing cryptocurrencies and blockchain test methods build a blockchain Testnet for a certain period of time by the developer without external verification by a third party, and after repeatedly self-testing and self-operating processes, commercialization is in progress by switching to the Mainnet. This self-verification method does not guarantee objectivity and publicness, and high reliability of customers cannot be realized. This study proposes a cryptocurrency and blockchain test interface and test control system as a third-party open test method.

A Study on the Course Certification System of Library and Information Science and Similar Disciplines (문헌정보학 및 유사분야의 교육과정인증시스템 분석연구)

  • Noh, Younghee
    • Journal of Korean Library and Information Science Society
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    • v.47 no.2
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    • pp.71-98
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    • 2016
  • Librarian certification in Korea is issued by the LIS Departments, the Academy of Librarianship, and the Academic Credit Bank system; however, it has been pointed out that there is a limit to how much these nurture high quality librarians, because the education quality and contents varies from education institutions and there is no verification method for certification issued by educational programs. Therefore, this study investigated certification systems of academic or training programs that are conducted at home and abroad, analyzed how the certification systems are oriented, what the purpose and criteria of the certification systems are, and what the content of assessment is. As a result of this investigation, several areas needing change were identified which if adopted can improve the system. These included making amendments to the library laws related to the certification system, substantially revising the relevant enforcement ordinance, making changes to the selection of the Certification authority, establishing certification standards and procedures, developing contents related to document examination and due diligence audits, rating the effects of the certification system, and setting standards. Improving the Librarian Certification System has been discussed over the past 20 years and should not be delayed any longer because of the university structural reform of the current government, the rapid rise of the qualified librarians, decreasing employment due to the human resources supply and demand imbalances, all of which has resulted in a survival crisis of four-year Department of Library and Information Science.

M&S VV&A for Aerospace System Development : M&S Life-Cycle Model and Development Paradigm (항공우주 시스템 개발용 M&S의 VV&A: M&S 수명주기 모델 및 개발 패러다임 제안)

  • Kim, Chang-Joo;Lee, Dohyeon;Hur, Sungwook;Park, Sang-Seon;Cho, In-Je
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.45 no.6
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    • pp.508-516
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    • 2017
  • The M&S (Model and Simulation) has been increasingly used in the wide area of applications and the official certification or accreditation of the M&S are becoming a mandatory requirement to prevent the risks and mishaps caused by the usage of inadequate M&Ss or by misuses of the M&S. This paper threats the VV&A (Verification, Validation, and Accreditation) for the M&S used in the development of the aerospace systems, where most M&S used in the development are derived from the physical laws and the final validation data are typically obtained through a series of flight tests after the prototype production. Considering these unique features, the paper proposes the M&S life-cycle model and development paradigm suitable for the aerospace-system development and accesses the proposed ones by comparative investigation on the relevant regulations and related literatures.

The Verification System of the Customer Barcode for the Advanced Automatic Processing of the Mail Items (우편물 자도처리 촉진을 위한 우편용 고객 바코드 검증 시스템)

  • Park, Mun-Seong;Song, Jae-Gwan;U, Dong-Jin
    • The Transactions of the Korea Information Processing Society
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    • v.6 no.4
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    • pp.968-976
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    • 1999
  • Currently, in the most mail automatic processing centers, after facing and canceling, envelope mail is passed through an Optical Character Recognition/Barcode Sorter(OCR/BS) to read the address and 3 of 5 fluorescent(luminescent) barcode is applied. Normally, 30%∼35% of this mail is rejected. The usual reasons for read failure are poor printing quality of address and barcode, script printing and failure to locate the address. This paper describes a verification system of the postal 3 of 5 customer barcode for solving this problem. The certification system of the 3 of 5 customer barcode consists of barcode verification system and postal address database. The purpose of certification system of the customer barcode verifies the postal 3 of 5 customer barcode and tests matching of mail piece postal address, and retrieves postal code.

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A Study on Certification of Electronic Engine Controls (항공기 엔진제어시스템 인증기술 개발)

  • Lee, Kang-Yi;Han, Sang-Ho;Jin, Young-Kwon;Lee, Sang-Joon;Kim, Kui-Soon
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.33 no.1
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    • pp.104-109
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    • 2005
  • The aircraft gas turbine engines with the Electronic Engine Controls(EEC) had been developed to save fuel and enhance their performance in the early days, and had employed the health monitoring function in the Full Authority Digital Engine Controls(FADEC) to improve their reliability. This has led to an increasing demand for the certification technology of these controls. The design and certification issues of power supply, aircraft supplied data, failure modes, software verification/validation, and lightning requirements need to be addressed. This paper presents the design considerations and the certification techniques applied to the electronic engine controls. And it is believed that this paper will be basis to establish a requirement in Korean Airworthiness Standard.

Airworthiness Case Study for the Tactical UAV's Flight Control System (전술급 무인항공기 비행제어시스템의 감항인증 사례연구)

  • Choi, Seung Kie;Moon, Jung Ho;Ko, Joon Soo
    • Journal of the Korea Institute of Military Science and Technology
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    • v.17 no.4
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    • pp.430-435
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    • 2014
  • This paper presents the case study of the airworthiness certification for the flight control system of tactical UAV. Airworthiness regulations for flight characteristics and design and construction based on the STANAG 4671 are selected, and safety assessment is performed. Stall protection on wing level and turning flight criteria, and flap interconnection system failures were analyzed and applied to the flight control system design. The Hardware-in-the-loop simulation including math model, integrated system verification and validation test and failure mode and effects test were also performed and they are used to validate the means of compliance of the proposed airworthiness.

Design of International Cross Certification Model using Cross Certificate (상호인증서를 이용한 국제상호인증 모델 설계)

  • 김재중;이동훈
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.13 no.4
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    • pp.99-107
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    • 2003
  • In this paper we propose an international cross certification model using cross certificate. We propose a new model by analyzing and solving current problems of the National PKI. We recommend a certificate profile, design a directory schema, and propose a method to access PSE(personal security environment) using PKCS#11, which gives the expansibility and convenience. Finally, we propose a certificate path verification method using RFC 3280 and show how to get the certificate chain by using the trust anchor. This model is recommended to the detailed level of specification for the interoperability of each country's PKI.

One-stop Platform for Verification of ICT-based environmental monitoring sensor data (ICT 기반 환경모니터링 센서 데이터 검증을 위한 원스탑 플랫폼)

  • Chae, Minah;Cho, Jae Hyuk
    • Journal of Platform Technology
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    • v.9 no.1
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    • pp.32-39
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    • 2021
  • Existing environmental measuring devices mainly focus on electromagnetic wave and eco-friendly product certification and durability test, and sensor reliability verification and verification of measurement data are conducted mainly through sensor performance evaluation through type approval and registration, acceptance test, initial calibration, and periodic test. This platform has established an ICT-based environmental monitoring sensor reliability verification system that supports not only performance evaluation for each target sensor, but also a verification system for sensor data reliability. A sensor board to collect sensor data for environmental information was produced, and a sensor and data reliability evaluation and verification service system was standardized. In addition, to evaluate and verify the reliability of sensor data based on ICT, a sensor data platform monitoring prototype using LoRa communication was produced, and the test was conducted in smart cities. To analyze the data received through the system, an optimization algorithm was developed using machine learning. Through this, a sensor big data analysis system is established for reliability verification, and the foundation for an integrated evaluation and verification system is provide.

Real-time Context Service Model Based on RFID for u-Conference (u-Conference를 위한 RFID 기반의 실시간 상황 서비스 모델)

  • Kang, Min-Sung;Kim, Do-Hyeun;Lee, Kwang-Man
    • IEMEK Journal of Embedded Systems and Applications
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    • v.2 no.2
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    • pp.95-100
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    • 2007
  • Recently ubiquitous application services are developed plentifully using RFID techniques in the field of distribution and security industries. However, except these field the applications using RFID are not mature yet. In this study, we proposed a real-time context service model of the u-conference based on the real-time contextual information acquired from conference and exposition. With collection of real-time contextual information for u-conference, the model can provide a lot of information services on the state of session attendee, doorway control, affairs, user certification, presentation progress etc. For the verification of proposed real-time context service model of u-conference, we design and implement the conference progress state service included the state of session attendee, user certification and presentation progress etc. This service provides the presentation state information included the current presenter, the paper list, the number of session attendee, the schedule and place of each session using the collecting RFID tag and the related information.

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