• 제목/요약/키워드: Design component

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A Graphical User Interface Design for Surveillance and Security Robot (감시경계 로봇의 그래픽 사용자 인터페이스 설계)

  • Choi, Duck-Kyu;Lee, Chun-Woo;Lee, Choonjoo
    • The Journal of Korea Robotics Society
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    • v.10 no.1
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    • pp.24-32
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    • 2015
  • This paper introduces a graphical user interface design that is aimed to apply to the surveillance and security robot, which is the pilot program for the army unmanned light combat vehicle. It is essential to consider the activities of robot users under the changing security environment in order to design the efficient graphical user interface between user and robot to accomplish the designated mission. The proposed design approach firstly identifies the user activities to accomplish the mission in the standardized scenarios of military surveillance and security operation and then develops the hierarchy of the interface elements that are required to execute the tasks in the surveillance and security scenarios. The developed graphical user interface includes input control component, navigation component, information display component, and accordion and verified by the potential users from the various skilled levels with the military background. The assessment said that the newly developed user interface includes all the critical elements to execute the mission and is simpler and more intuitive compared to the legacy interface design that was more focused on the technical and functional information and informative to the system developing engineers rather than field users.

Using Design of Mixture Experiments to Select the Ratio of a Three-Component Electrode for Optimal Generation of Hydroxyl Radicals (혼합물 실험계획법을 이용한 OH라디칼 최적 생성을 위한 삼성분 전극의 비율 선정)

  • Park, Young-Seek
    • Journal of Environmental Science International
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    • v.29 no.8
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    • pp.793-800
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    • 2020
  • The conventional development of multi-component electrodes is based on the researcher's experience and is based on trial and error. Therefore, there is a need for a scientific method to reduce the time and economic losses thereof and systematize the mixing of electrode components. In this study, we use design of mixture experiments (DOME)- in particular a simplex lattice design with Design Expert program- to attempt to find an optimum mixing ratio for a three-component electrode for the high RNO degradation; RNO is an indictor of OH radical formation. The experiment included 12 experimental points with 2 center replicates for 3 different independent variables (with the molar ratio of Ru, Ti, Ir). As the Prob > F value of the 'Quadratic' model is 0.0026, the secondary model was found to be suitable. Applying the molar ratio of the electrode components to the corrected response model results is an RNO removal efficiency (%) = 59.89 × [Ru] + 9.78 × [Ti] + 67.03 × [Ir] + 66.38 × [Ru] × [Ir] + 132.86 × [Ti] × [Ir]. The R2 value of the equation is 0.9374 after the error term is excluded. The optimized formulation of the ternary electrode for an high RNO degradation was acquired when the molar ratio of Ru 0.100, Ti 0.200, Ir 0.700 (desirability d value, 1).

Maximization in Reliability Design when Stress/Strength has Time Dependent Model of Deterministic Cycle Times

  • Oh, Chung-Hwan
    • Journal of Korean Society for Quality Management
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    • v.18 no.1
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    • pp.129-147
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    • 1990
  • This study is to refer to the optimization problems when the stress and strength follow the time dependent model, considering a decision making process in the design methodology from reliability viewpoint. Reliability of a component can be expressed and computed if the probability distributions for the stress and strength in the time dependent case are known. The factors which determine the parameters of the distributions for stress and strength random variables can be controlled in design problems. This leads to the problem of finding the optimal values of these parameters subject to resources and design constraints. This paper is to present techniques for solving the optimization problems at the design stage like as minimizing the total cost to be spent on controlling the stress and strength parameters for random variables subject to the constraint that the component must have a specified reliability, alternatively, maximizing the component reliability subject to certain constraints on amount of resources available to control the parameters. The derived expressions and computations of reliability in the time dependent case and some optimization models of these cases are discussed. The special structure of these models is exploited to develop the optimization techniques which are illustrated by design examples.

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Dynamic Weaver Design using Decorator Pattern on Fractal component Environment (Fractal 컴포넌트 환경에서 Decorator 패턴을 이용한 동적 위버 설계)

  • Park Jae-Youn;Kim Jin-Hyang;Song Young-Jae
    • Proceedings of the Korea Contents Association Conference
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    • 2005.05a
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    • pp.416-421
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    • 2005
  • In order to use component for various domain, it need to add tangling code. Component reuse suffers from it. AOP was resolved this problem. We present in this paper a component model, called fractal, that added aspect interface using mixin class named joinController interface. Mixin class are used to combine controller object and interceptor object. we design the dynamic weaver that use the decorator pattern, for increase the reuse of aspect.

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Automated Assembly Modeling using Kinematics Constraints (기구학적 구속조건을 이용한 자동 조립 모델링)

  • Kim Jae Seong;Kim Gwang Su
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 2002.05a
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    • pp.272-279
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    • 2002
  • A common task in assembly modeling is the determination of the position and orientation of a set of components by solving the spatial relationships between them. Assembly models could be constructed at various levels of abstraction. They could be classified into component or geometry-level assembly models. The geometry-level assembly design approach using mating constraints such as against and fits is widely used in the commercial modelers, but it may be very tedious in some cases fur designer. In this paper, we propose a new method to construct an assembly model at the component-level by extracting joint mating features from the kinematics constraints specified between components. The assembly model constructed using the proposed method includes hierarchical and relational assembly models, component/sub-assembly positions and degrees of freedom information. The proposed method is more intuitive and natural way of assembly design and it guarantees the topological robustness of assembly modification such as component replacement and modification.

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A Simulated Annealing Algorithm for the Optimal Reliability Design Problem of a Series System with Multiple Component Choices (다중 부품선택이 존재하는 직렬구조 시스템의 최적 신뢰성설계를 위한 시뮬레이티드 어닐링 알고리듬)

  • Kim, Ho-Gyun;Bae, Chang-Ok;Paik, Chun-Hyun
    • IE interfaces
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    • v.17 no.spc
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    • pp.69-78
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    • 2004
  • This paper presents a simulated algorithm(SA) for the optimal reliability design problem of a series system with multiple component choices incorporated at each subsystem. The objective of the problem is to maximize the system reliability while satisfying some constraint on system budget. The problem is formulated as a nonlinear binary integer programming problem and characterized as an NP-hard problem. The SA algorithm is developed by introducing some solution-improvements methods. Numerical examples are tested and the results are compared. The results have demonstrated the efficiency and the effectiveness of the proposed SA algorithm.

SIMULTANEOUS OPTIMIZATION OF TOLERANCE SYNTHESIS IN ASSEMBLY AND COMPONENT DIMENSIONS

  • Kim Young Jin;Cho Byung Rae
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 2003.05a
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    • pp.529-536
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    • 2003
  • The majority of previous studios on tolerance synthesis have viewed the issue as a design methodology to determine optimal component tolerances on behalf of a manufacturer. while meeting given assembly tolerance requirements Although a considerable amount of research has been done on this issue. a couple of important questions still remain unanswered First. how ran a design engineer quantitatively incorporate a customer's perception on a product quality into a tolerance synthesis scheme at the early design stage Second. how ran component tolerances and assembly tolerance be optimized in a simultaneous way? To answer these questions. this article presents the customer-driven concurrent tolerance synthesis which is facilitated by the notion of truncated distribution and the use of mathematical programming techniques. while adopting the major principles of Tagurhl philosophy. The work presented in the article is an effort to gain insight, which can be useful in practice when setting up guidelines for an overall tolerance synthesis.

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A Study on Mixing Characteristics of Two-component Polyurethane for In-mold Coating (인몰드 코팅을 위한 이액형 폴리우레탄의 혼합특성에 관한 해석적 연구)

  • Lee, Ho Sang;Kim, Dong Mi
    • Journal of the Korean Society for Precision Engineering
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    • v.30 no.3
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    • pp.317-323
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    • 2013
  • In-mold coating is a reactive fluid designed to improve the surface quality of injection molded thermoplastic substrate in functional and cosmetic properties. In this study, a mixing head for in-mold coating was designed, and mixing characteristics of two-component polyurethane flowing through runner were investigated based on flow simulations. In order to achieve uniform mixing of two components injected through straight mixing head, an impingement aftermixer was used in runner design. Semi-circular cross-section was better than circular one for runners for uniform mixing. With increasing runner length and flow rate, mixing became more uniform. In addition, the degree of mixing was more improved with decreasing viscosity of isocyanate.

A Study on Feature Selection in Face Image Using Principal Component Analysis and Particle Swarm Optimization Algorithm (PCA와 입자 군집 최적화 알고리즘을 이용한 얼굴이미지에서 특징선택에 관한 연구)

  • Kim, Woong-Ki;Oh, Sung-Kwun;Kim, Hyun-Ki
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.58 no.12
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    • pp.2511-2519
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    • 2009
  • In this paper, we introduce the methodological system design via feature selection using Principal Component Analysis and Particle Swarm Optimization algorithms. The overall methodological system design comes from three kinds of modules such as preprocessing module, feature extraction module, and recognition module. First, Histogram equalization enhance the quality of image by exploiting contrast effect based on the normalized function generated from histogram distribution values of 2D face image. Secondly, PCA extracts feature vectors to be used for face recognition by using eigenvalues and eigenvectors obtained from covariance matrix. Finally the feature selection for face recognition among the entire feature vectors is considered by means of the Particle Swarm Optimization. The optimized Polynomial-based Radial Basis Function Neural Networks are used to evaluate the face recognition performance. This study shows that the proposed methodological system design is effective to the analysis of preferred face recognition.

Design of the Business Management System Based on .NET Using UML (UML을 이용한 닷넷기반의 경영관리시스템에 대한 설계)

  • Lee Sang-Young
    • Journal of the Korea Computer Industry Society
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    • v.7 no.3
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    • pp.179-184
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    • 2006
  • many corporation introduce information system by method to maximize profit and to reduce expense within flood of information along with development of Information Technology. In this paper, construed AS-IS using UML that is an object intention methodology design tool via process of TO-BE process model design and so on to base Use Case diagram, sequence diagram, component diagram make out that do and this is Microsoft's .NET And wished to raise reusability of component and development productivity of software as that embody smaller enterprise type business administration system that .NET-based relationship extension is possible.

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