1,698 research outputs found
์ง๋ฐฉ์ฐ์ ์ ์คํ์ ์ก์ฑ๋ฐฉ์
๋
ธํธ : ์ด ์ฑ
์ ๊ตญํ ๊ฐ๋ฐ์ฐ๊ตฌ์์ ์์ฒด ์ฐ๊ตฌ๋ฌผ๋ก์ ์ ๋ถ์ ์ ์ฑ
์ด๋ ๊ฒฌํด์๋ ์๊ด์์์ ๋ฐํ ๋ก๋๋ค
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Structural health monitoring (SHM) is a technique to diagnose an accurate and reliable condition of civil infrastructure by
collecting and analyzing responses from distributed sensors. In recent years, aging civil structures have been increasing and they
require further developed SHM technology for development of sustainable society. Wireless smart sensor and network technology,
which is one of the recently emerging SHM techniques, enables more effective and economic SHM system in comparison to the
existing wired systems. Researchers continue on development of the capability and extension of wireless smart sensors, and
implement performance validation in various in-laboratory and outdoor full-scale experiments. This paper presents a summary of
recent (mostly after 2010) researches on smart sensors, focused on the newly developed hardware, software, and validation
examples of the developed smart sensors.ope
Use of Model-Free and Zero-Setup Computer-Guided Implant Surgical Template for Partial Edentulous Cases
This case report presents the cases of single anterior missing and posterior free-end edentulous ridge
with computer-guided implant placement on the day of visit through a special tray containing
fiducial markers without model scan or intraoral scan data. Cone beam CT was taken after fixing
the marker embedded ready-made tray with a photopolymerized resin material by light-curing in
the patient's mouth. The implant location was planned on the registered CT data in the planning
software. The tool path calculation for the milling machine was conducted in the computer-aided
manufacture (CAM) software. The guide was completed by milling the drill hole in the special tray
as designed. Although the preparation for the conventional implant guide surgery takes considerable
time, including data acquisition and 3D printing, it was possible to produce a guide on the day of
the patient visit without a separate procedure other than a CT scan through this protocol. Also, the
transfer of the implant surgery plan, the process of scanning and 3D printing, was omitted, thereby
reducing the positional error between the CT data and the actual guide.ope
[๊ตญ๋ฌธ ๋ฒ์ญ๋ฌธ] ์ฌ๋ฌผํด๋ผ์ฐ๋ : ํด๋ผ์ฐ๋ ์ปดํจํ ๊ณผ ์ฌ๋ฌผ์ธํฐ๋ท์ ๊ต์ฐจ์ ์์์ ์๊ตญ์ ์ ๋ณด๋ณดํธ์ ์๋น์๋ฒ
๊ธฐ์ ์ ๋ฐ์ ์ โํ๋ช
โ1)์ผ๋ก ์ง์นญํ๋ ๊ฒ์ โํ
๋ช
โ์ด โ์ง๊ฐ๋ณ๋์(disruptive)โ ํ์ 2)์ผ๋ก ์ด์ด์ง
๊ฒ์ด๋ผ๊ณ ์ด์ผ๊ธฐํ๋ ๊ฒ๋งํผ์ด๋ ํํ ์ผ์ด ๋๊ณ
์๋ค. ์ฌ๋ฌผ์ธํฐ๋ท3)์ ์ฃผ๋ชฉํ ๋งํ ํ์์ด ๋๊ณ ์
๋ค. ๊ทธ๋ก ์ธํ ๊ฒฝ์ ์ ํ๊ธํจ๊ณผ์ ์ฌํ์ ๊ฐ๋ฅ์ฑ์ด
๋๋จํ ํด ์ ์๊ธฐ ๋๋ฌธ์ด๋ค.4) ๊ทธ๋ฌ๋ ์ฌ๋ฌผ์ธํฐ๋ท
์ด ์ฐ๋ฆฌ์ ์ถ์ ์ด๋ ์ ๋๋ก ๋ฐ๋๊ฒ ํ ์ง ๊ทธ๋ฆฌ๊ณ
๋ฒ์ ์ธ ๊ด์ ์์, ํํ ๊ท์น์ด ๋ณ๊ฒฝ๋๊ณ ์๋ก์ด ๊ท
์น์ด ๋ง๋ จ๋์ด์ผ ํ๋์ง ์ฌ๋ถ ๋ฐ ๊ทธ๋ฌํ ๋ณ๊ฒฝ์ ์
๋๋ฅผ ๊ฐ๋ ํ๋ ๊ฒ์ ์์ง์ ์๊ธฐ์์กฐ์ด๋ค.
๋ฐ๋ผ์ ์์งํ ์ฐฌ์ฌ ๋์ , ๋ณธ ๋
ผ๋ฌธ์ ์ฌ๋ฌผ์ธํฐ
๋ท, ๊ทธ๋ฆฌ๊ณ ์ฌ๋ฌผ์ธํฐ๋ท๊ณผ ํด๋ผ์ฐ๋ ์ปดํจํ
๊ฐ์ ๊ต
์ฐจ์ ์ธ ์์ ์ฌ๋ฌผํด๋ผ์ฐ๋๋ฅผ ์ ์ํ๋ ค ํ๋ค. ๊ธฐ๋ณธ
์ ์ธ ์์๋ค์ ๋ํ ๋ช
ํํ ๊ท์ ๊ณผ ํจ๊ป, ์ฌ๋ฌผํด๋ผ
์ฐ๋ ๋ณต์ก์ฑ์ ๊ดํ ์ฌ์ฏ ์์์ ๋ํด ๋
ผ์ํ๊ณ ๊ฐ
๋ฅํ ๊ท์ ๋ฐฉ๋ฒ๋ค(๊ท์ , ๊ณต๋๊ท์ , ์๊ธฐ๊ท์ , ์ ์ฒด๋ก
์ ์ ๊ทผ, ์ธ๋ถํ)์ ๋ค๋ฃจ๋๋ก ํ๊ฒ ๋ค.
์๊ตญ์ ๋ฒ์ ๋์ ์ด์ ์ ๋ง์ถ์ด, ์๊ตญ์์์ ๋ฐ
๋ฌํํฉ5)์ ๋ํด ์ค๋ช
ํ๊ณ ์ฌ๋ฌผํด๋ผ์ฐ๋๋ก๋ถํฐ ์
๊ธฐ๋๋ ์ฃผ์ํ ๊ธฐ์ ์ 6), ๋ฒ์ 7) ์์ ๋ค ๋ช๋ช์ ๋ค
๋ฃจ๋๋ก ํ๋ค. ๊ท์ ๋น๊ตญ์ด ๋ณด๋ค ์ค์ํ๊ฒ ์๊ฐํ๋
์ฃผ์ ๋ค, ์ฆ ์ ๋ณด๋ณดํธ, ํ๋ผ์ด๋ฒ์, ์๋น์๋ฒ์ ํนํ
๋ ์ค์ ์ ์ผ๋ก ๋
ผ์ํ๊ฒ ๋ค.
๊ด๋ จ ๋ฒ์ ์์ ๋ค์ ์ฒ ์ ํ ๊ฒํ ํ๊ณ ์๊ตญ์ ์ฌ
๋ก๋ฅผ ์ฐธ๊ณ ํจ์ผ๋ก์จ ํ๊ตญ์ ์ฌ๋ฌผํด๋ผ์ฐ๋์ ๊ดํ ๊ทธ
ํน๋ณํ ์ ์ฌ๋ ฅ์ ์คํ์ํฌ ์ ์์ ๊ฒ์ด๊ณ 8) ์ธ๊ณ
์์ ๊ฐ์ฅ ์ค๋งํธํ ๊ตญ๊ฐ๋ก์ ๊ทธ ์ง์๋ฅผ ์ ์งํ ์
์์ ๊ฒ์ด๋ค.9) ๋๋ก , ๋ฌด์ธ์๋์ฐจ ๊ทธ๋ฆฌ๊ณ ์๋ช
๊ณตํ
์ ๋ํ ๊ท์ ๋ฅผ ์ํํ๊ฒ ๋ค๋ ๋ฐ๊ทผํ ๋ํต๋ น์
2016๋
5์ 18์ผ์ ๋ฐ์ธ์ ์ด๋ฌํ ๋ฐฉํฅ์ผ๋ก์ ์
์ง์์ ๋ณด์ฌ์ฃผ๊ณ ์๋ค
A Study on the Development and Effectiveness of ISO13485: 2016 Education Programs for Domestic Medical Device Manufacturers
Purpose
As ISO 13485 was revised in 2016, the domestic GMP (Good Manufacturing Practice) system was also revised and implemented in 2019. However, there are many problems in the domestic medical device industry because most of the small and medium-sized enterprises lack human and material resources. Accordingly, this study was conducted to provide education programs for domestic medical device companies to induce information provision and improve the companyโs quality management ability.
Methods
First, analyze existing education. Second, based on the revised GMP system, a survey paper was produced to investigate difficulties and problems experienced by companies. Third, a two-week survey was conducted on domestic medical device manufacturers, and a total of 77 companies responded to this survey. Fourth, educational program development was conducted based on the results of the survey.
Results and Conclusion
The developed education program consists of a total of five sessions. In this study, the educational program developed by grasping the needs of the company through a survey consists of a total of five sessions. The first session consisted of theoretical education and the second to fifth sessions of practical education. Through the education program developed in this study, it is expected to contribute to the overall development of medical device quality by establishing a domestic medical device manufacturing environment that secures the safety and performance of domestic medical device companies.ope
Design and Implementation of a Relational Database for Management of UML Models
The UML (Unified Modeling Language) is a modeling language for specifying, visualizing, constructing, and documenting systems. It also supports systematically the design and development of systems. There may be a large number of models to be managed in a real modeling environment. A methodology to save and retrieve the models effectively, therefore, needs to be developed.
This thesis focuses on the class diagram which is the core part of UML. It proposes a database supported methodology for the management of class diagrams. In the proposed methodology, class diagrams are saved in and retrieved from a relational database. To save a class diagram in the database, the constitution of the class diagram is translated in terms of relational tables. To retrieve a class diagram from the database, the user- specified query is translated into the SQL (Structured Query Language), and then the constituent of the class diagram is searched from the tables in the database.
The proposed methodology can exploit the function of the relational database such as managing a large number of models, sharing the models among users, and fast queries. It, therefore, provides a powerful framework for an effective management of UML models and a fast development of systems.Abstract = โ
ฑ
์ 1 ์ฅ ์๋ก = 1
์ 2 ์ฅ UML ๋ฐ UML ๊ฐ๋ฐ ๋๊ตฌ = 4
2.1 UML์ ๊ตฌ์ฑ ์์ = 4
2.2 UML ํด๋์ค ๋ค์ด์ด๊ทธ๋จ(Class Diagram) = 6
2.2.1 ํด๋์ค(Class)์ ์ธํฐํ์ด์ค(Interface) = 7
2.2.2 ๊ด๊ณ(Relationship) = 8
2.3 UML ๊ฐ๋ฐ ๋๊ตฌ = 10
์ 3 ์ฅ UML ํด๋์ค ๋ค์ด์ด๊ทธ๋จ์ ์ ์ฅ ๋ฐ ๊ฒ์ = 12
3.1 UML ํด๋์ค ๋ค์ด์ด๊ทธ๋จ ๋ณํ = 12
3.2 ๊ด๊ณํ ๋ฐ์ดํฐ๋ฒ ์ด์ค ์์ฑ ๋ฐ ์ ์ฅ = 17
3.3 UML ํด๋์ค ๋ค์ด์ด๊ทธ๋จ ๊ฒ์ = 21
์ 4 ์ฅ ๊ตฌํ ๋ฐ ๊ธฐ์กด ์์คํ
๊ณผ์ ๋น๊ต = 23
4.1 ์๊ณ ๋ฆฌ์ฆ ๋ฐ ์์คํ
ํ๋ฆ๋ = 23
4.2 ๋ฐ์ดํฐ๋ฒ ์ด์ค ํ
์ด๋ธ ์์ธ ์ค๊ณ = 26
4.3 ์์คํ
๊ตฌํ = 33
4.4 ๊ธฐ์กด ์์คํ
๊ณผ์ ๋น๊ต = 35
์ 5 ์ฅ ๊ฒฐ๋ก ๋ฐ ํฅํ ์ฐ๊ตฌ๊ณผ์ = 36
์ฐธ๊ณ ๋ฌธํ = 3
๋์๋ฌธํ์ฐ์ ์ ์ก์ฑ๋ฐฉ์(Strategies for the culture industry of city)
๋
ธํธ : ์ด ์ฐ๊ตฌ๋ณด๊ณ ์์ ๋ด์ฉ์ ๊ตญํ ์ฐ๊ตฌ์์ ์์ฒด ์ฐ๊ตฌ๋ฌผ๋ก์ ์ ๋ถ์ ์ ์ฑ
์ด๋ ๊ฒฌํด์๋ ์๊ด์์ต๋๋ค
์ง์๊ฐ๋ฅํ ๊ด๊ด์คํ ๋ฐ ์ฑ๊ณต์กฐ๊ฑด(Key issues for performing sustainable tourism)
๋
ธํธ : ์ด ์ฐ๊ตฌ๋ณด๊ณ ์์ ๋ด์ฉ์ ๊ตญํ ์ฐ๊ตฌ์์ ์์ฒด ์ฐ๊ตฌ๋ฌผ๋ก์ ์ ๋ถ์ ์ ์ฑ
์ด๋ ๊ฒฌํด์๋ ์๊ด์์ต๋๋ค
- โฆ