• 한국경영정보학회:학술대회논문집
• /
• 한국경영정보학회 2007년도 International Conference
• /
• pp.997-1002
• /
• 2007

In the case of international trade, the role of 3PL (third-party logistics) providers, in recent years, has drawn more attention. At the same time, computers have become faster, cheaper, and more widely available. Thus. information systems have become commonplace to freight forwarders and the increased efficiencies to be gained in improving logistics has pushed managers to explorer a number of new ideas, technologies and methods of information management and automation. However, many companies are encountering difficulties to choose an information system flexible and satisfying all needs carrying on business. In this study RIA (rich internet application) technology based on Java Swing was introduced to the .freight forwarder information systems to provide richer user interfaces and a flexible web-based application. Also considered giving stakeholders in charge of logistics especially in SMEs (Small and Medium Enterprises) cost-effective and performance-effective solutions with good accessibility of internet for smooth operations of their businesses.

• 디지털콘텐츠학회 논문지
• /
• 제8권3호
• /
• pp.269-277
• /
• 2007

최근에 웹 서비스는 비즈니스 간 e-commerce 응용을 위한 중요한 기술이 되었다. 시장적시성이 요구되는 비즈니스 관점에서, 동적 진화는 예측 불가능하고 자주 변화하는 비즈니스 요구사항에 대응할 수 있는 유연성을 제공한다. OWL-S는 OWL에 기반 한 서비스 온톨로지 언어이다. OWL에 의해 제공되는 의미성은 서비스의 발견, 수행, 조합의 자동화를 제공한다. 본 논문에서는 OWL-S를 이용하여 서비스지향 애플리케이션의 동적 진화를 지원하기 위한 프레임워크를 제안한다. 본 프레임워크에서는 표준 요구사항 분석 방법인 유즈케이스를 확장한 요구사항 개념과 활동도로의 매핑을 정의한다. 그리고 프로토타입을 구현하여 프레임워크의 유효성을 보인다.

• International Journal of Control, Automation, and Systems
• /
• 제5권4호
• /
• pp.372-378
• /
• 2007

This paper discusses Robust $H{\infty}$ control problems for networked control systems (NCSs) with time delays and subject to norm-bounded parameter uncertainties. Based on a new discrete-time model, two approaches of robust controller design are proposed. A numerical example and experimental verification with an NCS test bed are given to illustrate the feasibility and effectiveness of proposed design methodologies.

• Transactions on Control, Automation and Systems Engineering
• /
• 제4권3호
• /
• pp.205-211
• /
• 2002

Unknown inputs observer(UIO) which is achieved by the coordinate transformation method has the differential of system outputs in the observer and the equation for unknown inputs estimation. Generally, the differential of system outputs in the observer can be eliminated by defining a new variable. But it brings about the partition of the observer into two subsystems and need of an additional differential of system outputs still remained to estimate the unknown inputs. Therefore, the block pulse function expansions and its differential operation which is a newly derived in this paper are presented to alleviate such problems from an algebraic form.

• 대한전기학회:학술대회논문집
• /
• 대한전기학회 1991년도 하계학술대회 논문집
• /
• pp.892-895
• /
• 1991

In this study, it has been refering that disposal of rapidly international information society and artificial intelligence neural networks of the vanguard software technology. This paper is human brain cell structure modeling in order to neural networks realization for order language and computer embodiment of parallel processing. And it is shown that the usage extreme of time saving and correct judgement for business services, Overviews some of the currently popular neural networks architectures, and describes the current state of the neural networks technology.

• 한국경영과학회:학술대회논문집
• /
• 대한산업공학회/한국경영과학회 2004년도 춘계공동학술대회 논문집
• /
• pp.159-162
• /
• 2004

Logistics industry confronting very complex situation because of small quantity, frequent orders, multinational enterprises, lack of human power etc. leads to diversity, flexibility and agility. In this paper, integrated approach is introduced for projecting national technologies in logistics systems related to IT and automated control industry. Three areas of automation, IT basis, and operation techniques are included along with business factors of transportation, warehousing, stevedoring, pecking, and information systems. As a result, the epitome concludes the technology of in-house development and joint collaboration with others.

• 한국정보처리학회:학술대회논문집
• /
• 한국정보처리학회 2003년도 추계학술발표논문집 (상)
• /
• pp.423-426
• /
• 2003

시스템 자동화를 위한 최근의 소프트웨어 모듈은 각종 외부의 영향에 따라 적절한 대응동작을 이행하지 않는다. 특히 연성 실시간(soft real-time) 동작 제어시 발생하는 동작 마감시간 위반에 따른 피해가 꾸준히 증가하고 있다. 본 논문에서는 실시간 스케줄 가능성 분석을 위해 E-TCPN 모델을 이용하며, 분석 결과를 기반으로 하드웨어 제어를 수행하는 자동화 제어 엔진을 설계 및 구현한다.

• 제어로봇시스템학회:학술대회논문집
• /
• 제어로봇시스템학회 1989년도 한국자동제어학술회의논문집; Seoul, Korea; 27-28 Oct. 1989
• /
• pp.705-710
• /
• 1989

A practical method of identifying the inertial parameters, viscous friction and Coulomb friction of a robot is presented. The parameters in the dynamic equations of a robot are obtained from the measurements of the command voltage and the joint position of the robot. First, a dynamic model of the integrated motor and manipulator is derived. An off line parameter identification procedure is developed and applied to the University of Minnesota Direct Drive Robot. To evaluate the accuracy of the parameters the dynamic tracking of robot was tested. The trajectory errors were significantly reduced when the identified dynamic parameters were used.

• 한국경영과학회:학술대회논문집
• /
• 한국경영과학회/대한산업공학회 2003년도 춘계공동학술대회
• /
• pp.764-771
• /
• 2003

본 연구는 비즈니스 프로세스의 자동화된 실행 및 관련 데이터의 관리를 지원하는 BPMS (Busuiess Process Management System)를 위한 프로세스 실행 모델을 제안한다. BPMS의 효과적 개발을 위해서는 프로세스의 내용을 표현하는 프로세스 정의 모델이 필요함과 동시에. 네트워크 상에서 그것이 해석되고 실행되는 방식을 규정하기 위만 프로세스 실행 모델도 필요하다. 이는 프로세스에 관여되는 분산된 개체들간의 협력적 의사 소통을 효과적으로 지원할 수 있고, 이를 통해 시스템간의 상호운용성을 고양하고 프로세스 모델이 갖는 경직성을 극복할 수 있는 BPMS의 효과적 개발의 바탕이 될 수 있다.

• 산업경영시스템학회지
• /
• 제15권26호
• /
• pp.1-11
• /
• 1992

Material Handling equipments such as hoists, cranes, storage and retrieval machines, gantry robots and conveyors are carrying out more important tasks in material flow automation field. This paper is concerned with the characteristic and the position of this industry, and presents the status of the business world scale, supply and demmand. import and export transition, and directing posts of the profits. Also it gives productivity security and activity.