• 제목/요약/키워드: Object-Oriented Software

검색결과 551건 처리시간 0.027초

객체 지향 시스템에서의 클래스 응집도와 결합도 메트릭 (Cohesion and Coupling Metric for Classes in Object - Oriented System)

  • 이종석;우치수
    • 한국정보과학회논문지:소프트웨어및응용
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    • 제27권6호
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    • pp.595-606
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    • 2000
  • 소프트웨어 메트릭스는 개발 과정을 평가하고, 소프트웨어 개발 노력을 측정하며 소프트웨어의 질을 효과적으로 제어할 수 있도록 한다. 더욱이 현재와 같이 재사용성이 강조되고 있는 상황에서는 재사용성을 평가하는데 중요한 역할을 하는 응집도와 결합도에 대한 연구가 반드시 필요하다고 할 수 있다. 캡슐화, 상속, 다형성과 같은 개념을 이용하는 객체 지향 방법론은 기존의 절차적 방법론과는 다른 메트릭스를 요구하는데, 이에 대한 연구가 현재 활발히 진행되고 있다. 본 논문에서는 객체 지향 시스템의 응집도와 결합도를 측정하는 메트릭스를 제안하고, 이를 Weyuker와 Briand의 복잡도 성질을 이용하여 평가하였다. 그리고 C++로 작성된 소프트웨어에 실제 적용하여 응집도와 결합도를 추출하였다.

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FMC 제어 소프트웨어의 객체지향적 설계 (Object-oriented design of FMC Control Software)

  • 조용탁;한영근
    • 산업경영시스템학회지
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    • 제20권42호
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    • pp.49-57
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    • 1997
  • As a software development methodology, object-oriented paradigm that has execellent reusability, portability, and extensibility, is currently being used in many application fields. Especially, UML(Unified Modeling Language), which is recently released as a third generation methodology for the object-oriented system development, has many advantages such as generalization, certainty, visualization. For this reason, the usability of UML in manufacturing system control is expected to increase. In this paper, analysis and design of FMC control system are peformed by UML. Software objects to accommodate the dynamic environment of FMC operations are modeled by using the diagrams of UML. The objective of this paper is to suggest a generic framework to design FMC control software.

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확장이 쉬운 구조의 객체지향 유한요소해석 프로그램 (An Object-oriented Finite Element Analysis Program Architecture of Easy Extension)

  • 남용윤
    • 연구논문집
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    • 통권33호
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    • pp.27-38
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    • 2003
  • The object-oriented programming languages are widely used in the modern software engineering. The procedural type FEM codes are still used because it is very hard and cost consuming job to re-code them into object-oriented programs. In this study, a FEM program was newly designed and coded with C++, an object-oriented language. Also a special programming technique, auto-loading technique was developed for open structured program, with which the extension and maintenance can be carried out easily. For example, the additions of element libraries to an existence FEM program do not require any modifications of the program.

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객체지향언어를 이용한 통계적 공정관리 소프트웨어의 구현 (Implementation of Statistical Process Control Software developed by Object Oriented Tools)

  • 신봉섭
    • 품질경영학회지
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    • 제27권4호
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    • pp.256-265
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    • 1999
  • In this paper, we Present the implementation of statistical process control software by using XLISP-STAT which is a kind of object oriented language under Windows environment. This software can be used to generate the graphic objects for various control charts, histogram and plots using the full-down menu system. This software can also be used to calculate control limits, process capability indices and test procedures for normality.

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DESIGN AND FLIGHT SOFTWARE EMBEDDING OF KOMPSAT-2 SIMULATOR

  • Lee, Sang-Uk;Cho, Sung-Ki;Kim, Jae-Hoon
    • Journal of Astronomy and Space Sciences
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    • 제19권2호
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    • pp.97-106
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    • 2002
  • The design feature of KOMPSAT-2 simulator based on object oriented design methodology in terms of unified modeling language (UML) has been discussed in this paper. Also, we present how to embed flight software into the simulator. Flight software em-bedding for KOMPSAT-2 simulator is compared to that of the KOMPSAT-1 simulator.

객체 지향 프레임웍의 가변부위에 대한 상호작용 패턴의 테스트 방법 (Testing of Interaction Patterns for Hot Spots in an Object-oriented Framework)

  • 노성환;전태웅
    • 한국정보과학회논문지:소프트웨어및응용
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    • 제32권7호
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    • pp.592-600
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    • 2005
  • 프레임웍의 기능성을 철저하게 테스팅하기 위해서는 객체 지향 프레임웍의 재사용 시에 확장되는 가변 부위(hot spots)에 대한 체계적인 테스트 패턴 추출이 필수적이다. 본 논문에서는 프레임웍 가변부위의 설계 패턴을 분석하여 가변부위의 상호작용(interaction) 패턴으로부터 테스트 패턴을 추출하는 방법을 제안한다. 프레임웍 가변 부위의 설계 패턴에서 나타날 수 있는 객체들의 상호 작용은 상태도(statechart)로 표현되며, 표현된 상태도는 테스트 패턴 및 테스트 케이스를 생성하는데 사용된다. 생성된 테스트 패턴은 프레임웍을 확장하여 만들어진 어플리케이션들에 반복 적용되어 사용될 수 있다.

다중로보트의 동작결정을 위한 시뮬레이터 구성 (Construction of simulator for cooperative multi-robot motions)

  • 김정찬;김진걸
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1992년도 한국자동제어학술회의논문집(국내학술편); KOEX, Seoul; 19-21 Oct. 1992
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    • pp.332-336
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    • 1992
  • We describe about the graphic simulation system which supports the determination of efficient multi-robot motions during cooperation. For the construction of the simulation software for multi-robot motions, two problems are presented. First problem is that all the robot motions must be determinded using both the desired object motions and the holonomic constraints with the object. To find the robot motions combined with the various object motion path, the robot motions are derived from the desired object path instead of a master robot path. Therefore robot motions can be easily modifiable with the various object motions. This type of motion determination is different from that of the master-slaves method using the master robot motions. The other is that the developments of robot application softwares need a heavy cost when the participated robots or the tasks given to the robots are changed. Based on object-oriented programming paradigm, we present useful software objects describing robot application programming environment. The object-oriented programming paradigm increases the software reusability, reliability, and extensibility, and also provides the structual concepts to cope with the various demands of robot application programming.

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객체 지향 시스템에서의 클래스 결합도 척도 (Coupling Measures for Classes in Object-Oriented System)

  • 이종석;천은홍
    • 한국산업정보학회논문지
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    • 제6권4호
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    • pp.22-29
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    • 2001
  • 소프트웨어의 품질 측정의 중요성이 커짐에 따라 새로운 소프트웨어 척도를 개발하기 위한 수많은 노력이 나타났다. 객체 지향 개발 방법론의 중요성에서 볼 때 이러한 경향이 나타나는 특별한 분야는 객체 지향 시스템의 결합도 측정이다. 본 논문에서는 객체 지향 시스템의 결합도를 측정하기 위해 메소드에 의한 응집도 COM과, 클래스에 의한 결합 COC를 제안하였다. 그리고 이를 Briand가 제안한 결합도 성질을 이용하여 평가하고, C++ 언어로 작성된 시스템에 적용하여 다른 결합도 척도와 비교하였다.

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객체지향기법을 이용한 효율적인 조류계산 (The Efficient Method of Power Flow Calculation using Object-Oriented Programming)

  • 김재현
    • 대한전기학회논문지:전력기술부문A
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    • 제50권4호
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    • pp.166-171
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    • 2001
  • Object-oriented programming is a solution for problems in the development, maintenance, and update of large software such as power system analysis software. However, many applications in the electrical industry critically depend on the computational efficiency of the implementation. In order to be flexible and reduce the computation time, this paper represents an efficient method for constructing a Jacobian matrix and for factorizing it, and designs the class hierarchy for power system. This method is applied to four different power systems for load flow calculation. The performance of the object-oriented program developed in C++ is assessed in computer simulation.

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Theoretical Validation of Inheritance Metric in QMOOD against Weyuker's Properties

  • Alharthi, Mariam;Aljedaibi, Wajdi
    • International Journal of Computer Science & Network Security
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    • 제21권7호
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    • pp.284-296
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    • 2021
  • Quality Models are important element of the software industry to develop and implement the best quality product in the market. This type of model provides aid in describing quality measures, which directly enhance the user satisfaction and software quality. In software development, the inheritance technique is an important mechanism used in object-oriented programming that allows the developers to define new classes having all the properties of super class. This technique supports the hierarchy design for classes and makes an "is-a" association among the super and subclasses. This paper describes a standard procedure for validating the inheritance metric in Quality Model for Object-Oriented Design (QMOOD) by using a set of nine properties established by Weyuker. These properties commonly using for investigating the effectiveness of the metric. The integration of two measuring methods (i.e. QMOOD and Weyuker) will provide new way for evaluating the software quality based on the inheritance context. The output of this research shows the extent of satisfaction of the inheritance metric in QMOOD against Weyuker nine properties. Further results proved that Weyker's property number nine could not fulfilled by any inheritance metrics. This research introduces a way for measuring software that developed using object-oriented approach. The theoretical validation of the inheritance metric presented in this paper is a small step taken towards producing quality software and in providing assistance to the software industry.