• 제목/요약/키워드: Incurred loss

검색결과 89건 처리시간 0.019초

미래손실에 기초한 통합공정관리계획 (An Integrated Process Control Scheme Based on the Future Loss)

  • 박창순;이재헌
    • 응용통계연구
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    • 제21권2호
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    • pp.247-264
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    • 2008
  • 통합공정관리의 기본절차는 잡음이 내재하는 공정에 대하여 수정조치를 취하고, 수정활동 중 공정에 이상원인이 발생하면 관리도를 통하여 발생을 탐지하고 교정활동을 통하여 이를 제거하게 된다. 그러나 공정의 교정활동은 많은 시간과 비용을 수반하는 비생산적 요인을 유발할 수 있기 때문에 무조건적 교정활동은 생산성을 저하시키는 반대 급부도 동시에 내포하고 있다. 이 논문에서는 공정모형으로 ARIMA(0,1,1) 모형을 가정하고 공정 평균과 분산에 이상원인이 발생하는 경우 이를 탐지하는 절차를 소개하고, 이상신호의 시점에서 공정 잔여시간 동안 발생할 수 있는 미래손실에 기초하여 교정 활동의 여부를 판단하는 통합공정관리 절차를 제안한다.

이차손실함수 하에서 최적 공정평균 및 규격하한 (Optimum Mean Value and Lower Limit under a Quadratic Loss Function)

  • 홍성훈;최성일;임훈;반재석
    • 품질경영학회지
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    • 제28권4호
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    • pp.194-203
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    • 2000
  • This paper is concerned with an economic selection of both the process mean and the lower limit for a continuous production process with the quadratic loss function. It is assumed that the quality characteristic is normally distributed with a known variability. A profit model is developed which involves selling price, production cost, reprocessing cost and the cost which is incurred by imperfect quality. Methods of finding optimum values of the process mean and the lower limit are presented, and a numerical example is given.

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Optimal Reporting Stategy of an Insured -Dynamic Programming Approach-

  • Min, Jae-Hyung
    • 한국경영과학회지
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    • 제15권1호
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    • pp.83-97
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    • 1990
  • We consider an insured who wishes to determine his optimal reporting strategy over a given planning horizon, when he has option of reporting of not reporting his at-fault accidents. Assuming that the premium in future period is continually adjusted by the insured's loss experience, the insured would not report every loss incurred. Rather, considering the benefits and costs of each decision, the insured may want to seek a way of optimizing his interests over the planning horizon. The situation is modeled as a dynamic programming problem. We consider an insured's discounted expected cost minimization problem, where the premium increase in future period is affected by the size of the current claim. More specifically, we examine two cases ; (1) the premium increase in the next is a linear function (a constant fraction) of the current claim size; (2) the premium increase in the next period is a concave function of the current claim size. In each case, we derive the insured's optimal reporting strategy.

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품질손실을 고려한 경제적 CUSUM 관리도 (A Design of Economic CUSUM Control Chart Incorporating Quality Loss Function)

  • 김정대
    • 산업경영시스템학회지
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    • 제41권4호
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    • pp.203-212
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    • 2018
  • Quality requirements of manufactured products or parts are given in the form of specification limits on the quality characteristics of individual units. If a product is to meet the customer's fitness for use criteria, it should be produced by a process which is stable or repeatable. In other words, it must be capable of operating with little variability around the target value or nominal value of the product's quality characteristic. In order to maintain and improve product quality, we need to apply statistical process control techniques such as histogram, check sheet, Pareto chart, cause and effect diagram, or control charts. Among those techniques, the most important one is control charting. The cumulative sum (CUSUM) control charts have been used in statistical process control (SPC) in industries for monitoring process shifts and supporting online measurement. The objective of this research is to apply Taguchi's quality loss function concept to cost based CUSUM control chart design. In this study, a modified quality loss function was developed to reflect quality loss situation where general quadratic loss curve is not appropriate. This research also provided a methodology for the design of CUSUM charts using Taguchi quality loss function concept based on the minimum cost per hour criterion. The new model differs from previous models in that the model assumes that quality loss is incurred even in the incontrol period. This model was compared with other cost based CUSUM models by Wu and Goel, According to numerical sensitivity analysis, the proposed model results in longer average run length in in-control period compared to the other two models.

위성추력기에서 촉매유실에 따른 암모니아 해리도 변화에 대한 연구 (Investigation on the Change of Ammonia Dissociation for Satellite Thruster According to the Catalyst Loss)

  • 황창환;이성남;백승욱;김수겸;유명종
    • 한국추진공학회:학술대회논문집
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    • 한국추진공학회 2011년도 제37회 추계학술대회논문집
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    • pp.218-222
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    • 2011
  • 이리듐 촉매의 국산화 개발과정에서 고온/고압으로 인한 촉매파손, 유실, 소결현상 등이 관찰되었고, 이렇게 손상된 촉매대로 인하여 추력기의 성능이 저하된다고 보고되었다. 이에 본 논문의 연구에서는 촉매대를 1차원 다공질성 매질로 가정, 모델링하여 수치해석코드를 개발하였다. 개발된 수치해석코드는 실험데이터와 비교하여 검증하였으며, 촉매유실에 의해 변하게 되는 촉매대의 공극률을 변화시켜 다양한 경우의 촉매유실을 가정하여 해석을 수행하였다. 이를 통하여 촉매유실이 하이드라진과 암모니아의 분해반응에 끼치는 영향을 연구하였다.

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해상화물운송에 있어서 선박의 감항성(勘航性)과 인과관계(因果關係)에 관한 법리적(法理的) 접근(接近) (A Juridical Approach to Causal Relations between Ocean Freight Shipping and Seaworthiness of Vessel)

  • 박창식;김청열
    • 한국항만경제학회지
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    • 제22권2호
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    • pp.83-108
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    • 2006
  • Regarding the ocean carrier's responsibility for damage indemnification, both his or her duty of care and reason of legal exemption have been considered important. The International Convention for the Unification of Certain Rules relating to Bills of Lading also provides that the ocean carrier indemnifies for the loss or damage of freight on the basis of the principle of liability with fault. In other words, the carrier assumes responsibility only for the loss or damage of freight which is under his or her control and whose safety must be carefully maintained by him or her. The carrier's duty of care which is required for freight safety in accordance with the convention is associated with two themes, seaworthiness of vessel and freight itself. To make ocean freight shipping effective necessities the seaworthiness of the ship that will conduct the shipping service under its responsibility. This will ultimately lead to making the service impressive to the shipper as freight owner. Thus the purpose of this study is to contribute to more reasonable shipping by the shipowner or the carrier who needs to ensure seaworthiness of vessel, and prevent unseaworthiness that may be incurred in accordance with freight characteristics. For the purpose, this paper reviewed the meaning of seaworthiness of vessel through a juridical approach to its causal relationship with ocean freight shipping.

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항등비트율 서비스를 위한 GCRA 폴리싱 알고리즘의 성능 해석 (Performance Analysis of GCRA Policing Algorithm for Constant-Bit Rate Service)

  • 김영범
    • 한국정보통신학회논문지
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    • 제10권12호
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    • pp.2157-2165
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    • 2006
  • 항등 비트율 서비스를 위한 대표적인 이용자 트래픽 통제 알고리즘인 GCRA에 있어서 네트워크의 과부하와 전송 도중 불가피하게 발생하는 전송지연 변동에 따른 이용자 트래픽의 과도한 손실을 방지하기 위해서는 적절한 전송 지연변동 허용치의 설정이 매우 중요하다. 본 논문에서는 항등 비트율의 소스 트래픽에 대한 GCRA 순응검사에서 지연변동 허용치의 범 위에 따른 GCRA의 성능을 여러 측면에서 분석하고 적절한 지연변동 허용치 설정을 위한 가이드라인을 제시한다.

손해배상액(損害賠償額) 산정방식(算定方式)에 관한 비교연구(比較硏究) - CISG를 중심으로 - (A Comparative Analysis on the Methods of Quantifying Damages - Focused on the CISG -)

  • 배준일
    • 무역상무연구
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    • 제16권
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    • pp.59-81
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    • 2001
  • There are two methods of quantifying the damages when the contract is avoided. One is 'concret' assessment, the other is 'abstract' assessment. The former looks to the actual cost incurred by the aggrieved party in concluding a contract for the substitute transaction, while the latter is based on the market price. The concrete method of assessment forms the starting point in the Civil Law systems. In the Common Law systems, it is likewise available. The aggrieved party is entitled to recover the difference between the cost of cover or (as the case may be) the proceeds of resale and the contract price. Both systems also recognize the abstract method of assessment. If the aggrieved party does not resell or cover, damages are equal to the difference between the price fixed by the contract and the market price. The CISG and the UNIDROIT Principles recognize expressly both concrete and abstract methods. Under the relevant articles, the aggrieved party can recover the damages assessed by one of the methods as well as any further damages such as loss of profit, incidental and consequential damages.

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우리나라 어업손실 보상제도에 대한 정선방안 연구;-법제도를 중심으로- (A Study on the Legal System of Compensation for Fishery Loss caused by Public Works)

  • 이원갑
    • 수산경영론집
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    • 제25권1호
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    • pp.19-35
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    • 1994
  • The objective of this study is to analize the system of legal compensation for the fishery loses caused by public works and to suggest alternatives on the current compensation system. Korea government has been performing reclamation activities in coastal region to conduct farm, urban and industrial area, and such activities are still going on in Yeongjongdo airport area, Saemangeum area and so on. Reclamation interrupts fishing activities in or around the reclaiming area, therefore, the compensation for fishery losses incurred by fishermen should be made. The system of legal compensation in Korea, however, is based on the land compensation, and the regulation of the compensation for fishery losses in the Fishery Act can not be applied for the compensation of public works because the procedure of the compensation in the Fishery Act is different from its cause of action. Therefore, this study is caried out to suggest a resonable compensation procedure and to provide a basis for establishing legal system.

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강박판 및 탄소섬유판으로 전단보강된 철근 콘크리트 보의 거동에 관한 실험적 연구 (An Experimental Study on the Behaviors of RC Beams Strengthened in Shear by Thin Steel Plate and Carbon Fiber Sheet)

  • 최종수;이대형;손창호;정영수
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 1995년도 가을 학술발표회 논문집
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    • pp.219-223
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    • 1995
  • Since the mid of 1970's, the construction of infrastructure has been booming and accelerating to keep up with rapid economic growth. Fast achievement of most construction activities has caused unfavorable effects of civil petitions associated with damages and nuisances due to last hasty works. it is well known that the falling down of Sungsoo bridge and the collapse of Sampoong department and other structures have occurred because of the construction not conforming with the specification, and thereby incurred enormous loss of life and property. Now a days. a periodic inspection and maintenance have been strongly interested on aged RC structures, of repair and reinforcement technique in the country, most repairing and reinforcing works have been performed on the basis of the guidance of few experienced local company in this field.

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