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우리나라 디자이너들의 실내환경속성과 설계요소와의 상관성에 관한 의식 조사 연구
박진배,김주원 대한건축학회 1999 대한건축학회논문집 Vol.15 No.4
The purpose of this study is to prove the relationship between the elements m the design process and each environmental factors. Identifying the relationship between these two could be helpful and effectively used for planning the future design projects The items of the environmental design evaluation consists of five aspects-functional aspects, space-programming aspect, environmental psychological aspect, perceptional aspect, and aesthetic aspect Three environmental factors are included in each five aspects. From the result of this survey, 7 factors among the whole 15 factors are proved as crucial ones. Those are comfortability, efficiency, accessibility, communication, sense of placement, legibility, and visual appropriateness. The design process could be mostly effective when these factors are more closely co-related with lighting, material and graphic elements than the floor plan air elevation elements
박진배 대한의용생체공학회 1995 의공학회지 Vol.16 No.2
The method of increasing signal to noise ratio (SNR) in a Hadamard transform spectrometer (HTS) is multiplexing. The multiplexing is executed by a mask. Conventional masks are mechanical or electro-optical. A mechanical mask has disadvantages of jamming and misalignment. A stationary electro-optical mask has a disadvantage of information losses caused by spacers which partition mask elements. In this paper, a mixed-concept electro-optical mask (MCEOM) is developed by expanding the length of a spacer to that of lon-off mask element. An MCEOM is operated by stepping a movable mask. 2N measurements are required for N spectrum estimates. The average mean square error (AMSE) using MCEQM is equal to that using a stationary electro-optical mask without spacers for large N. The cost of manufacturing an MCEOM is lower than that of producing a conventional electro-optical mask because an MCEOM needs only (N + 1)/2 on-off mask elements whereas the con¬ventional electro-optical mask needs N on-off mask elements. There are no information losses in the spectrometers having an MCEOM.
박진배,김한솔,주영훈 제어·로봇·시스템학회 2016 International Journal of Control, Automation, and Vol.14 No.6
By introducing some slack matrices, this paper proposes less conservative robust stabilization conditionsfor the polynomial fuzzy system with parametric uncertainties. In the proposed methods, no inverse polynomialmatrices are chosen as the decision variables so that each element of the gain and the Lyapunov matrices can beguaranteed to strictly be a polynomial function. Therefore, the hardware implementation cost of operating theproposed controller is reduced because no rational functions need to be computed. Moreover, the fuzzy controllersare designed under perfect and imperfect premise matching conditions to enhance the design flexibility. Finally,some numerical examples are given to demonstrate the effectiveness of the proposed methods.
FIR-type State-feedback Control Law for Discrete-time LTI Systems with Polytopic Uncertainties
박진배,이동환,주영훈,김성관 제어·로봇·시스템학회 2016 International Journal of Control, Automation, and Vol.14 No.4
Recently, the so-called FIR-type (FIR, finite impulse response) state-feedback memory controller andperiodic memory controller have been developed, and it was revealed that this control design approach can reducethe conservatism of stability and stabilization conditions for periodic or uncertain systems. In these work, the systemduality and a descriptor representation of the original system are used. In this paper, we focus only on the FIRtypestate-feedback memory controller design problem, which is a special case of the general memory controllerstructure previously developed. Although the structure of the controller considered in this paper is a particularcase of the existing one, this special consideration gives some benefits, which are the main purpose of this paper. Finally, examples demonstrate the effectiveness of the FIR-type state-feedback memory controller in terms of lessconservatism.