• Title/Summary/Keyword: Military accident

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Development of Lane and Vehicle Headway Direction Recognition System for Military Heavy Equipment's Safe Transport - Based on Kalman Filter and Neural Network - (안전한 군용 중장비 수송을 위한 차선 및 차량 진행 방향 인식 시스템 개발 - 칼만 필터와 신경망을 기반으로 -)

  • Choi, Yeong-Yoon;Choi, Kwang-Mo;Moon, Ho-Seok
    • Journal of the Korea Institute of Military Science and Technology
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    • v.10 no.3
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    • pp.139-147
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    • 2007
  • In military transportation, the use of wide trailer for transporting the large and heavy weight equipments such as tank, armoured vehicle, and mobile gunnery is quite common. So, the vulnerability of causing traffic accidents for these wide military trailer to bump or collide with another car in adjacent lane is very high due to its broad width in excess of its own lane's width. Also, the possibility of these strayed accidents can be increased especially by the careless driver. In this paper, the recognition system of lane and vehicle headway direction is developed to detect the possible collision and warn the driver to prevent the fatal accident. In the system development, Kalman filtering is used first to extract the border of driving lane from the video images supplied by the CCD camera attached to the vehicle and the driving lane detection is completed with regression analysis. Next, the vehicle headway direction is recognized by using neural network scheme with the extracted parameters of the detected driving lane feature. The practical experiments for the developed system are also carried out in the real traffic road of Seoul city area and the results show us the more than 90% accuracy in recognizing the driving lane and vehicle headway direction.

The Study on the Construction of the Continuous Preventive Audit System for the Military Organization (군 조직의 상시 예방 감사시스템 구축방안 연구)

  • Hak-San No;Seung-Hyun Kim;Sang-Hyuk Park
    • Journal of the Society of Disaster Information
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    • v.19 no.1
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    • pp.204-215
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    • 2023
  • Purpose: In this study, it was proposed a plan to build the Continuous Preventive Audit System in the military Organization with the expectation that we will develop an efficient audit method under the rapidly changing audit and work environment in the future. Method: it was examined the realities and problems of the military self-audit, the cases of the Continuous Preventive Audit System currently being used by government departments and institutions and internal control inspection of the information system of the Foreign Audit Office. Result: Government departments, agencies, and foreign auditors have established a Continuous Preventive Audit System to overcome the problems and limitations of their own audits, ensuring accounting accident prevention and audit work efficiency and are focused on auditing internal controls of information systems. Conclusion: In the future, more specific studies on the design of detailed scenarios for each function of defense work and the research and analysis on the improvement of defense information system should be followed for the establishment and settlement of a more specific Continuous Preventive Audit System.

A CLINICAL STUDY OF MANDIBLE FRACTURE FOR 10 YEARS AT CHUNCHEON CITY (춘천지역의 하악골 골절 양상)

  • Kim, Kyoung-Soo;Kang, Hee-In;Kil, Yong-Kab;Kim, Jae-Seong;Lee, Young;Seo, Hyun-Soo;Hong, Soon-Min;Park, Jun-Woo
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.31 no.6
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    • pp.519-525
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    • 2009
  • The population were increased by industrialization and urbanization of the modern society and social activities of the person were rapid increased too. Subsequently the number of motor vehicle accident, sports accident and industrial accident were increased, resulting in the number of oral and maxillofacial trauma were increased. Because of the mandible relatively protruded among the facial bone, the most frequent associated oral and maxillofacial injuries was mandible fracture in the trauma center setting. A clinical study on 411 patients with mandibular fracture who visited in Department of Oral and Maxillofacial Surgery, Chun-chon Sacred Heart Hospital during 10 years(1997-2006) was done by analysing sex, age, mode, fracture site and treatment method

Legal Review of Product Liability of a Defective Aircraft (군용항공기와 결합방지를 위한 개선방안 및 법적 책임관계 연구)

  • Cho, Young-Ki;Chung, Wook
    • The Korean Journal of Air & Space Law and Policy
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    • v.20 no.2
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    • pp.59-158
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    • 2005
  • When a military aircraft suffers damages due to the defects in its design, manufacturing or notification, all of which are generally understood as products liability defects, the obvious compensation is sought as it would in other consumer good case. However, there exist clear yet unappreciated difference between general consumer goods and military aircraft, as far as products liability law is concerned - some sort of recovery should be obtained even when there exist only defects, not damages, to the aircraft because of the implication of defective parts is much grave than what can be expected in a consumer goods case. While certain anticipatory measures do exist in manual or at negotiation stages for the safety of military aircraft, such measures are ineffective, if not ambiguous, in recovery effort in the post-accident stage In another word, the standardized military procurement contract manuals and boilerplate forms do not appreciate the unique and dangerous military nature of military aircraft. There are many unique legal issues which can arise when trying to prevent defective aircraft or parts, or to recover compensations for accident due to such defects. At two-level, the government should establish legal system (or countermeasures if you'd like) for purchasing safer military aircraft. First, one should be able to work with legal ground and policy that allows selecting and purchasing safer goods - the purpose of such contract is not litigious, but rather in acquiring what are most reliable. Second, in case the defects do arise and lead to damages, solid legal principles and instructions should be established for effectively pursuing appropriate company, (usually a aerospace industry giant with much experience) for products liability - the purpose of such pursuit is inevitable for a public official, since he or she is no private business man with much flexibilities, even to the point of waiving such compensatory right for future business purposes. This article tries to identify problems in methods of procuring military aircraft or parts - after reviewing on how the military can improve on legal and policy grounds for procuring what will be the focus of future military strength, it will offer some of the ways to effectively handling and resolving a liability issues.

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A Study on adopting cloud computing in the military (국방 클라우드 컴퓨팅 도입에 관한 보안체계 연구)

  • Jang, Worl-Su;Choi, Jung-Young;Lim, Jong-In
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.22 no.3
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    • pp.645-654
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    • 2012
  • The South Korean Defense Ministry is planning and pushing forward to conduct a cloud computing pilot project in 2012. Taking into consideration the high-level security necessary in the military as well as wartime duties, if not designed properly, this project may anticipate severe damage to national security and interest. In particular, despite the fact that vulnerability due to inter-Korean confrontation and regular security-related incidents have been triggered, unconditionally conducting a cloud computing pilot project without reviewing not only violates security regulations but also causes various security-related side effects in and outside South Korea. Therefore, this thesis found conditions for conduct of this project by suggesting duties that can apply cloud computing as well as security technology, administration, post-accident matters and conditions for legally solving cloud computing in the military.

The Cause Analysis of a Fire Accident on Boryeong Thermal Power Plant using New Public Management Theory (신공공관리론으로 바라본 보령화력발전소 화재 사고의 원인)

  • Lee, Wonjoo;Park, Chanseok
    • Journal of the Society of Disaster Information
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    • v.15 no.2
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    • pp.268-281
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    • 2019
  • Purpose: The purpose of this study was to find out how the administrative paradigm of the times affected the public sector's fire. Method: For this purpose, we investigated the New Public Management (NPM). In addition, the reasons of fire accident of Boryeong thermal power plant were analyzed in the limited values of NMP. Result: In theoretical investigation, the 3 values (managerial accountability, efficiency, expertise) of NMP and evaluation criteria were drew out. In investigation on reasons of fire accident, the improvement of accountability and expertise was insufficient due to the emphasis of the efficiency based on the introduction to free market by neoliberalism in public sector. Conclusion: In conclusion, we confirmed that the values of NMP were limited to forcingly apply to the public sector. This study is expected to contribute basic research references to fire administration theory.

A Study on the Selection of Hydrogen Refueling Station Locations within Military Bases Considering Minimum Safe Distances between Adjacent Buildings (인접 건물 간 최소 안전거리를 고려한 군부대 내 수소충전소 위치선정 연구)

  • Dong-Yeon Kim;Hyuk-Jin Kwon
    • Journal of Internet Computing and Services
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    • v.24 no.6
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    • pp.171-180
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    • 2023
  • Hydrogen energy technology is gaining importance in the era of the Fourth Industrial Revolution, offering military advantages when applied to military vehicles due to its characteristics such as reduced greenhouse gas emissions, noise, and low vibration. Korea's military has initiated the Army Tiger 4.0 plan, focusing on hydrogen application, downsizing, and AI-based smart features. The Ministry of National Defense plans to collaborate with the Ministry of Environment to expand hydrogen charging stations nationwide, anticipating increased deployment of military hydrogen vehicles. However, considering the Jet Fire and VCE(Vapor Cloud Explosion) nature of hydrogen, ensuring safety during installation is crucial. Current military guidelines specify a minimum safety distance of 2m from adjacent buildings for charging stations. Scientific methods have been employed to quantitatively assess the accident damage range of hydrogen, proposing a minimum safety distance beyond the affected area.

Safety Improvement of Military Primary Lithium Batteries by New Protection Circuit for Low Current System (신규 보호회로 적용을 통한 저전류 장비용 군 리튬전지 안전성 개선)

  • Youn, Seong Gi;Cho, Yu Seup
    • Journal of the Korean Institute of Electrical and Electronic Material Engineers
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    • v.32 no.3
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    • pp.256-261
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    • 2019
  • The use of military lithium batteries in this field accelerates the generation of internal pressure because the active materials, lithium and the electrolyte, react to form sulfur dioxide gas. This also reduces the amount of electrolyte. In this condition, batteries can 'vent' or 'explode' especially when completely discharged. Such venting and explosion can be regarded as a safety accident, as toxic gases and shrapnel are ejected from the batteries which can harm the user. A DTaQ was carried out in 2017 as a quality problem solution project to solve this safety issue. A protection circuit was thereby developed, which included a micro controller unit (MCU) which can stop battery usage when in an over-discharging state by sensing its low-voltage condition. In 2018, this concept was expanded to lithium batteries for the remote controlled ammunition system. This paper reports results of the improved performance.

System Safety Application for the Weapon System (무기체계 시스템안전 적용방안)

  • Park, Suncheol;Kim, Jinsung;Jin, Jonghoon;Yoon, Donghwan
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.44 no.4
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    • pp.106-112
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    • 2021
  • In the early 1960s, US Air Force lost missile launch bases during ICBM development by a defect in the missile design and operation plan. U.S. DoD realized the limitation of the existing accident prevention method. Therefore, the weapon development required system safety activity, and procurement projects of U.S. DoD applied MIL-STD-882(System Safety). Development projects of U.S. DoD more emphasized the importance of system safety after the space shuttle Challenger exploded in 1986. Currently, Airworthiness certification for military aircraft uses system safety to minimize accidents. The domestic defense aviation R&D projects also use the system safety for the airworthiness certification. However, non-aviation weapon R&D projects rarely applied system safety. This paper presents a system safety application method for domestic weapon R&D projects by studying the U.S. military standards/organizations and domestic defense aviation projects.

A Study on the case of Application of Women's Personnel in the New Zealand Defence Force (뉴질랜드 군 여성인력의 활용과 우리 군에 주는 시사점)

  • In-Chan Kim;Jong-Hoon Kim;Jun-Hak Sim;Kang-Hee Lee;Sang-Keun Cho;Sang-Hyuk Park;Myung-Sook Hong
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.5
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    • pp.415-419
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    • 2023
  • The New Zealand Defence Force (NZDF) began using female manpower from World War II. After making various efforts to secure excellent manpower, the proportion of female manpower has risen to 24%, higher than that of Britain, the United States, Canada and Australia, which have a longer history of female military personnel than New Zealand. This is the result of NZDF efforts to open combat roles to women and allow female personnel to advance to high-ranking military positions such as generals and consular officers. In addition, policy alternatives to address women's realistic concerns such as pregnancy and childbirth, childcare, and vertical organizational culture were presented. In particular, Operation "Respect" was implemented to overcome the problem of not leaving or joining the army due to inappropriate sexual behavior and bullying. The operation respect established the role of the leader, emphasized the support of the victim, and accumulated data of the accident to prevent similar accidents. In addition, through the "Wāhine Toa" program, excellent female manpower could be introduced into the military through customized support considering the military life cycle (attract-recruit-retain-advance) of female personnel. South Korea is also considering expanding the ratio and role of female manpower as one of the ways to overcome the shortage of troops and leap into an advanced science and technology group. Implications were derived from the use of female manpower in the NZDF and the direction in which the Korean military should proceed was considered.