• 한국CDE학회논문집
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• 제11권6호
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• pp.403-411
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• 2006

NURBS surfaces have been widely used in engineering design since it can create a smooth surface using minimal numbers of data. But deformation of the surfaces is quite difficult especially for the detailed modification. Also, NURBS surface deformation processes need many inputs, and it is not easy to be implemented in 3D virtual system. In this paper, both the surface trimming and multi-resolution surface are used for the detailed sculpting including sharp edges of NURBS surface. QuadTree is used to separate cleanly the target surface with the surface for sculpting effect. Simple user strokes are also used for the sculpting target curves and GOMS(Goals, Operators, Methods, Selection Rules) model is applied to verify the efficiency of the proposed sculpting process.

• 한국실내디자인학회논문집
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• 제20권2호
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• pp.55-63
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• 2011

This study aims to figure out diversity and complexity of modern design by analysing surrealistic characters of Jaime Hayon and Marcel Wanders design, who are working actively in diverse design fields including graphic design, product design, and space design. First fundamental theories of surrealism was reviewed, and structure for analysis was made by studying characters of design representation derived by surrealistic concepts. And then design projects in the fields of furniture and product design, interior space design, and project design that were performed by two designers after the year 2000 were analysed. Two designers assume critical attitudes in mass production of functional design which is made by only machines, and they have something in common pursuing creative and imaginative design by making unique artistic elements by using modern technology. In this way, they create surrealistic fantasy in their design. On the other hand Jaime Hayon and Marcel Wanders show interesting differences in modes of expression. Hayon creates unique and organic forms and characters based on his creative imagination, and he enjoys to express boldness and amusement. Wanders shows sophisticated and elegant duality by dramatic balance between intricate patterns and minimal forms. Both designers have important influences in modern design as creative leaders always pursuing new things and representing complex tendency of modern society.

• 품질경영학회지
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• 제47권3호
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• pp.523-535
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• 2019

Purpose: We research on the efficient response surface methodology(RSM) design to develop a design space in Quality by Design(QbD). We propose practical designs for the successful construction of the design space in QbD by allowing different number of replicates at the box points, star points, and the center point in the rotatable central composite design(CCD). Methods: The fraction of design space(FDS) plot is used to compare designs efficiency. The FDS plot shows the fraction of the design space over which the relative standard error of predicted mean response lies below a given value. We search for practical designs whose minimal half-width of the tolerance interval per a standard deviation is less than 4.5 at 0.8 fraction of the design space. Results: The practical designs for the number of factors between two and five are listed. One of the designs in the list could be chosen depending on the experimental budget restriction. Conclusion: The designs with box points replications are more efficient than those with the star points replication. The sequential method to establish a design space is illustrated with the simulated data based on the two examples in RSM.

• 한국의상디자인학회지
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• 제25권4호
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• pp.133-145
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• 2023

Competition is intensifying as the golfwear market grows and expands rapidly due to the influx of MZ generation golfers, so it is necessary to plan knit golfwear products suitable to consumer needs The purpose of this study is to contribute to product planning by analyzing knit design factors according to the brand image of golfwear. First, the top five sales brands surveyed by Apparel News were selected. The selected brands were G-Fore, PXG, Malbon Golf, Titleist, and Mark & Lona. Knit products sold by the selected golfwear brands were investigated based on design factors, such as image, item, stich, yarn, color, and pattern to analyze knit design factors according to brand image. G-Fore's modern classical image was influenced by pullovers, vest items, 100% wool, color contrast, intasha stich, and monotone colors. PXG's sporty modern image was due to a mixture of rayon and polyester in jumper items, while Malbon Golf's American casual image applied character patterns and intasha knitwear. Line points, plain knitwear, and monotone colors were analyzed as design factors for Titleist's modern minimal image, while Mark & Lona's classic casual was analyzed as knit design factors, such as check patterns and jacquard knitwear. Differences in knit design factors according to brand image can be identified.

• Structural Engineering and Mechanics
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• 제48권6호
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• pp.791-807
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• 2013

Ultra High Performance Cementitious Composites with compressive strength 200MPa (UHPCC-200) is proposed for the structural design of super high hybrid wind turbine tower to gain durability, ductility and high strength design objectives. The minimal wall thickness is analyzed using basic bending and compression theory and is modified by a toque influence coefficient. Two cases of wall thickness combination of middle and bottom segment including varied ratio and constant ratio are considered within typical wall thickness dimension. Using nonlinear finite element analysis, the effects of wall thickness combinations with varied and constant ratio and prestress on the structural stress and lateral displacement are calculated and analyzed. The design limitation of the segmental wall thickness combinations is recommended.

• 대한기계학회논문집
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• 제10권3호
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• pp.305-315
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• 1986

본 연구에서는 가변 기통 엔진의 동특성을 규명하기 위해 세곳으로 지지되는 직렬 4기통 디이젤 엔진에 대한 3자유도 모델을 설정하였고, 이 모델에서 각 마운트의 위치와 경사각 및 방진고무의 크기를 변경시킬 때의 최적화 문제를 컴퓨터 시뮬레이션 으로 고찰하였다.

• 한국실내디자인학회:학술대회논문집
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• 한국실내디자인학회 2007년도 춘계학술대회 논문집
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• pp.77-78
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• 2007

This project has been designed for people to experience and understand the process, importance and benefit of coal fire plants. As the biggest and first typical Korean fire plant using coal, Boryeong fire plant has had important roll for the Korean industries. Even so, people has had wrong prejudice for the fire plant in terms of environmental protection. To do these kind of rolls, this museum has been designed with theme, "Boryeong fire plant mating symbiotic relationship between nature, human and technologies." The space was zoned with five major themes: i. circulation of energy in nature, ii. electric power and eco-fire plant, iii. future energy, iv roll for future of environment, v. Korea as the leading energy industry. The design has been developed focused on spatial experiences to make 'Design Sequence' with linear circulations haying several important destinations. The interior has been finished with minimal color and materials projected by big sized movie and various LED movie system. Concept of appordance has been used to make interactive experiences between exhibits and visitors.

• 대한기계학회논문집A
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• 제40권10호
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• pp.843-849
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• 2016

과소 구동기구 로봇 핸드에서 최소한의 구동기만으로 적응 파지 기능을 구현할 수 있는 것으로 알려져 있다. 이러한 연구결과를 기반으로 새로운 의수의 설계를 제안하였다. 또한 다양한 크기의 원통형, 구형, 사각 기둥 형 물체에 대한 의수의 파지 성능을 평가하는 방법을 제시하였다. 중요 설계 인자들이 파지 성능에 미치는 영향을 실험계획법으로 평가하고 개선된 설계 방안을 제시하였다.

• Journal of Electrical Engineering and information Science
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• 제2권3호
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• pp.1-6
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• 1997

This paper describes the design of a network interface controller (NIC) chip which is to be used to support a novel adaptive virtual cut-through routing method for parallel compute systems with direct (i.e., point-to-point) interconnection networks. The NIC chip is designed to provide the interface between a processing node constructed from commercially available microprocessors and another custom-designed router chip, which in turn performs the actual routing of packets to their respective destinations. The NIC, designed using a semi-full-custom VLSi design technique outperform traditional wormhole routing with a minimal amount of hardware overhead. The NIC design has been fully simulated and laid out using a 0.8$\mu\textrm{m}$ CMOS process.

• 대한전기학회논문지
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• 제38권1호
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• pp.68-77
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• 1989

In this paper, a design approch is presented for a concurrent self-diagnosable microprocessor. An efficient diagnostic procedure to dynamically test the processor functional units decomposed by each insturction, concurrently with a program under execution is suggested. The basic goals of the proposed design approach are the low hardware overhead, no increase in the pin count and the minimal change of the initial design concepts on conventional microprocessors. The results of the performance of the suggested self-diagnosing hardware for an 8080 type microprocessor show that the suggested diagnosis scheme would be efficiently applicable, since diagnosing the processor functional units can be completed in a reasonably short time with the execution of an arbitrarily chosen sample program.