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AHP 기법을 활용한 탐정자격 제도화 요인에 관한 연구
우상진 경찰대학 경찰대학 2023 경찰학연구 Vol.23 No.4
본 연구에서는 탐정제도의 도입 가능성이 점점 증가하고 있는 상황에서 탐정자격 제도설계 시 우선 반영해야 하는 요인들이 무엇인지 파악하기 위해 AHP(Analytic Hierarchy Process) 기법을 적용하여 25개 제도화 요인을 반영한 설문을 완성하였고, 경찰관·변호사·교수 등 전문가들을 대상으로 AHP 설문의 자료수집을 한 후 제도화 요인의 우선순위를 분석하였다. 전문가들은 5개 상위 요인 중에서 자격요건, 자격시험, 자격증 관리, 교육제도, 감독 및 규제 기구 순으로 중요도를 평가하였다. 20개 하위 요인 중에서는 범죄 및 징계경력을 가장 중요한 요인을 선택했는데, 선발기준·성년여부·감독기관·면접시험 등을 최우선시 한 반면, 보수교육·갱신제도·교육면제·징계 기구·자격증 협회 등의 중요도를 제일 낮게 평가하였다. 전문가들은 공통적으로 탐정의 업무가 개인정보와 사생활을 침해할 수 있는 가능성이 크기 때문에 다른 자격제도 보다 엄격하게 국가에서 자격관리를 하는 것이 타당하다고 보고 있었다. As the environment changes, the possibility of introducing a private investigator system in Korea is increasing. In this study, after analyzing the legal qualifications of similar jobs and the national qualification law system, issues for institutionalization of private investigator qualifications were derived through in-depth interviews with similar qualification experts, and the priorities of institutionalization factors were analyzed to suggest basic measures. To this end, in-depth interviews were conducted with 14 qualified experts, including lawyers, administrative lawyers, tax accountants, customs officers, certified labor attorneys, certified public accountants, and patent attorneys, and based on the results, five top and 20 sub-factors were selected. By applying the Analytical Hierarchy Process (AHP) technique, which is widely used as a decision-making technique, a survey reflecting 25 private investigator qualification institutionalization factors was completed. After collecting data on the AHP survey for experts such as lawyers and professors, and police officers, the priority of institutionalization factors was analyzed. Most experts believed that it was reasonable to manage qualifications more strictly in the country than in other qualification systems because the private investigator's work was likely to infringe on personal information and privacy. Accordingly, this study compared and analyzed systems such as qualification requirements of similar qualifications, applied institutionalization factors evaluated by experts first, and suggested institutionalization plans for private investigator qualifications as guidelines for future private investigator systems. As excellent research that can supplement the limitations of this study continues, I sincerely hope that the private investigator qualification system suitable for Korea will be implemented as soon as possible.
태양광 패널 재사용을 위한 가변 정전류 기반의 효율 측정장치에 관한 연구
우상진,김대헌,이재진,권오민 대한임베디드공학회 2023 대한임베디드공학회논문지 Vol.18 No.1
This paper relates to the development of a device for measuring the efficiency of a solar panel based on a variable constant current, and proposed a standard for reuse of the solar panel. By applying a variable constant current circuit to a solar panel efficiency measuring device, it was easy to apply a maximum power point tracking (MPPT) algorithm. In addition, a load dispersion method was applied to measure the efficiency of a high-capacity solar panel. and it is possible to solve a problematic thermal runaway during a MOSFET parallel operation by applying the load dispersion method. As a result of the experiment, the solar panel efficiency measuring device was able to accommodate a large solar panel of 350W, which is the maximum measurement goal. In this paper, the validity was confirmed through the 310W solar panel efficiency measurement experiment collected after removal.
배관 내 아연 장치에 의한 녹과 스케일 억제 효과와 유효거리
염경택,유미선,우상진,양성봉,심학섭 대한상하수도학회 2023 상하수도학회지 Vol.37 No.2
The electrical connection between zinc metal and iron in contact with water prevents oxidation of iron until all zinc is dissolved, which is called a zinc sacrificial anode phenomenon. In the case of water pipes, zinc is often attached to the outside of the pipe, but examples of mounting zinc inside the pipe to prevent iron corrosion are not well known. Zinc devices sold for water pipes vary in the amount of zinc installed depending on the diameter of the pipe and the conditions of use, but the life of the product is generally expected to be 10-20 years until all zinc dissolves and disappears. Zinc ions dissolved from zinc to water in the pipe react with the calcium carbonate scale generated inside the pipe to consume zinc ions, and it was confirmed that the needle-shaped aragonite was converted into highly crystalline calcium after observing the scale crystal through an electron microscope. In addition, it is estimated that calcium ions of scale are replaced by zinc ions, gradually losing crystallinity, being deintercalated into the pipe, and oxygen in the water is consumed during the dissolution of zinc ions from zinc metals, turning red rust hematite (Fe 2 O 3 ) into magnetite (Fe 3 O 4 ). In addition, zinc ions were expected to move hundreds to thousands of meters depending on the diameter of the pipe in the new pipe, but it was confirmed that the travel distance was shortened in the case of pipes with many corrosion products.
김영수,허노영,우상진 경북대학교 환경과학연구소 1997 環境科學硏究所論文集 Vol.11 No.1
Sedimentary rocks in Taegu-Kyungpook area have anisotropic characteristics. They are different physical and mechanical properties according to the angle of bedding planes. In order to offer fundamental data for design and construction, several tests (Brazilian tensile test, uniaxial compression test, triaxial compression test) were carried. As results of testing, strength and elastic modulus have the smallest value at angle 60. The behaviors of anisotropic rock are investigated by using a numerical analysis. The rocks are modeled as a linear elastic, transversely isotropic material and a finite element program is developed in two-dimensional plane-strain state to determine the magnitude and distribution of stress nonuniformity. This pmgram can run according to bedding angle(l3) and anisotropic ratio(n). Stress diagram in sedimentary rock region has unsymmetrical distribution and stress concentration points varies according to the angle of bedding plane. Underground structures and openings show different behaviors depending on the characteristics of discontinuities such as beddings, faults, joints. Designing the rock structures without considering the significance of these discontinuities can lead to false conclusions. For economical and safe construction, designer must consider these characteristics.