• 한국정보처리학회논문지
• /
• 제6권3호
• /
• pp.615-621
• /
• 1999

On the aspect of on-time and development resource use, it is very important to predict the software release time during the software development process. In this paper, we present the optimal release problem based on the evaluation indicator and cost evaluation. And also we show the optimal release point considered with both of them. We applied the Exponential Software Reliability Growth Model(E-SRGM) and Testing-effort dependent Software Reliability Growth Model(Te-SRGM) and decided the software release time according to software reliability indicator. As a result of two models comparison, we verify the Te-SRGM is more adopted in our switching system software.

• International Journal of Quality Innovation
• /
• 제7권1호
• /
• pp.90-97
• /
• 2006

The process of producing software differs in many aspects from that of traditional manufacturing. Software is not manufactured in the classical sense. Development of software more closely resembles the development effort that goes into design new product [1-3]. In this article, we first describe the foundations of process improvement, which all processes can share. The process improvement differences between software and manufacturing process are then discussed, and a defect driven process inspection and improvement is introduced. Based on the discussion, two experiments were designed and the results of the results were collected. Through the comparison, we found that some efficient quality improvement approaches can be easily adapted in the software improvement and that the inspection efficiency is also significant.

• 한국IT서비스학회지
• /
• 제8권3호
• /
• pp.159-169
• /
• 2009

The issue of method of software testing process implementation has recently been in the spotlight in korea and some vendor make every effort to improve the software testing process through the evaluation of TMMi. The level of software process is at initial level, nevertheless, so the high quality of software is not guaranteed. This paper apply to the TMMi Level2 Assessment criteria of Automobile control software testing process. The test policy and strategy, test planning, test monitoring and control, test design and execution, test environment goal. The result need to emerge development process connection on the test policy and strategy process, test planning process etc. Also, the study analyzed the infra structure to reach the repeated level via key process area. As the result the process implementation in organization suggests the policy development and the implementation activity. Finally, the practical can refer to this paper in order to implementation the software testing process.

• 정보처리학회논문지D
• /
• 제9D권1호
• /
• pp.75-80
• /
• 2002

Putnam은 소프트웨어 프로젝트에 참여하는 인력이 Rayleigh 분포를 따르는 SLIM 모델을 제시하였다. 이 모델에서 인력분포를 얻기 위해서는 총 개발노력과 개발 난이도를 추정해야 한다. 프로젝트 개발에 참여할 것인지 여부를 결정하기 위해서는 소프트웨어 생명주기의 초기단계에서 이 모수들을 보다 적확히 추정하는 것이 필요하다. Putnam은 시스템 속성들 중 강한 상관관계가 있는 변량을 제거하고 나머지 변량들만으로 총 개발노력과 개발 난이도를 추정하였다. 그러나 통계적 방법에 따라 변량들이 다르게 선택되며 모델의 성능에 차이가 발생한다. 본 논문은 Putnam 방법 대신 주성분분석을 이용하여 최적의 시스템 속성을 선택하였다. 모델의 성능분석 결과 주성분분석 방법이 Putnam의 방법보다 9.85% 성능향상을 보였다. 또한, 제안된 모델은 단순하고 쉽게 구현할 수 있다.

• 대한전기학회:학술대회논문집
• /
• 대한전기학회 2000년도 하계학술대회 논문집 B
• /
• pp.1454-1456
• /
• 2000

This paper describes the method to develop the ATO software system. The software design is based on VxWorks, a Real Time Operating System. ATO calculates tractive effort/braking effort to keep the train at a certain speed reference at each moment. The speed reference is calculated by the ATO from a number of external factors. The ATO with this software is installed standardized EMU. and tested In Seoul Line 7.

• Fisheries and Aquatic Sciences
• /
• 제14권2호
• /
• pp.138-147
• /
• 2011

Modeling fishing-gear systems is essential to better understand the factors affecting their movement and for devising strategies to control movement. In this study, we present a generalized mathematical modeling methodology to analyze fishing gear and its various components. Fishing gear can be divided into a finite number of elements that are connected with flexible lines. We use an algorithm to develop a numerical method that calculates precisely the shape and movement of the gear. Fishinggear mathematical models have been used to develop software tools that can design and simulate dynamic movement of novel fishing-gear systems. The tool allowed us to predict the shape and motion of the gear based on changes in operation and gear design parameters. Furthermore, the tool accurately calculated the swept volume of towed gear and the surrounding volume of purse-seine gear. We analyzed the fished volume for trawl and purse-seine gear and proposed a new definition of fishing effort, incorporating the concept of fished space. This method may be useful for quantitative fishery research, which requires a good understanding of the selectivity and efficiency of fishing gear used in surveys.

• 기술혁신연구
• /
• 제9권2호
• /
• pp.120-139
• /
• 2001

The purpose of this paper is to evaluate the Indian Software Industry and t government's industrial policy by analysing the characteristics of the software industry, authority, development process, social infrastructure, and public sector. The Information age is creating profound changes in the way we live and work. It is transforming all aspects of society, stimulating new opportunities. Over the past decade, India has deliberately prepared itself to meet the new challenges of the information age. India became an important player in shaping world software industry. Through the industrial policy, Indian government is focusing on 1) the development of software industry, 2) dramatic increase in IT scientists engineers, and the promotion of education institutes, 3) the establishment of the software technology Parks (STP), 4) the inducement of foreign direct investment, 5) extensive standardization, 6) the coordination of the law and system. India has liberalized finance and telecommunications system in an effort to bring in more business, and has revamped education curriculums to encourage more creativity among students. Government has played crucial role in bringing India one of advanced software nation by presenting the grand vision and sophisticated plan, liberalizing telecommunication market, and enhancing the efficiency of bureaucratic system.

• 한국컴퓨터산업학회논문지
• /
• 제7권3호
• /
• pp.191-198
• /
• 2006

소프트웨어 측정분야는 30년 이상 수많은 연구가 있어 왔으나 아직까지 구체적인 소프트웨어 개발노력, 개발기간과 비용 추정 모델이 없는 실정이다. 소프트웨어 개발기간을 추정하기 위한 기존의 모델들은 사용된 데이터 크기가 적고 과거 프로젝트들을 대상으로 하고 있어 현재의 복잡하고 다양한 개발환경에 적용하는데 제약이 따른다. 따라서, Oligny et al.은 ISBSG Benchmark Release 4의 396개 프로젝트에 대해 개발기간이 개발플랫폼에 영향을 받음을 제기하여 각 개발플랫폼에 따른 개발기간 추정 모델을 제시하였다. 본 논문은 Oligny et al. 모델들을 ISBSG Benchmark Release 6의 534개 프로젝트에 대해 적용한 결과 개발기간이 개발플랫폼에 영향을 적게 받음을 밝혔다. 따라서, 개발기간에 보다 영향을 미치는 개발형태를 채택해, 개발형태에 따른 개발기간 추정 모델을 제시하였다. 제안된 모델들은 개발 플랫폼의 영향보다 개발기간 추정에 보다 많은 영향을 미침을 밝혔으며, 개발기간 추정시 개발형태별로 추정하는 모델 적용이 보다 타당함을 알 수 있다.

• Journal of Information Technology Applications and Management
• /
• 제12권1호
• /
• pp.213-229
• /
• 2005

Cost overrun or schedule delay of the software development project happens frequently despite that software developers continue to make every effort for the effective management of the projects. Previous researches have ascertained that these problems are ascribed to the uncertainty of projects and the improper management of the projects. The purposes of this research are to investigate the impacts of user participation and task interdependence on the performance of the projects and also to find out the appropriate project management method to improve the project performance. Even though the model fitness of the path model is proved to be very high, the verification of the hypotheses showed a variety of results including the four verifications and the one refutation of the hypotheses as well as the suggestion of one alternative hypothesis. The contribution of this research is that the integration model is proposed and verified, comprising the relationship among the user participation, the task interdependence, and the performance of software development projects. A project manager can utilize the implication of this research for an effective management of software development project.

• 정보기술응용연구
• /
• 제3권3호
• /
• pp.91-106
• /
• 2001

본 논문에서는 소프트웨어 테스트 단계중에 발생되는 테스트노력 소요량을 고려한 소프트웨어 신뢰도 성장 모델을 제시하여 시간종속적인 테스트 노력소요량 동태를 일정 테스트 노력일 때와 웨이불 테스트 노력일 때를 비교하여 연구한다. 테스트 단계중에 소요되는 테스트 노력의 양에 대한 결함 검출비를 현재의 결함 내용에 비례하는 것으로 가정하여 모델을 비동차 포아송 과정으로 공식화하며, 이 모델을 이용하여 소프트웨어 신뢰도 척도에 대한 데이터 분석기법을 개발하도록 한다. 테스트 시간의 경과와 신뢰도와의 관계도 심도 있게 연구한다. 목표신뢰도를 만족시키는 최적발행시각을 정한다. 개발 후 테스트를 시작하기 전의 신뢰도가 어떠한 조건에 있는가를 검토하여 각 조건에 따른 최저 발행시각을 결정한다. 일정 테스트 노력 곡선과 웨이불 테스트 노력 곡선 모두에 대해서 그 조건은 목표 신뢰도를 초과하는 경우, 목표신뢰도를 초과하지는 못하지만 어느 조건 이상인 경우, 어느 조건 이하인 경우로 대별되며, 이 중에서 이상적인 경우는 두 번째 조건인 경우이다.