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The Development of NCS Communication Skills Performance Instrument
( Jooyoung Kim ),( Yongchil Yang ) 한국교육공학회 2016 한국교육공학회 학술대회발표자료집 Vol.2016 No.2
National Competency Standards (NCS) are defined as required knowledge, skills and attitudes needed to execute one’s duties at work; these are systematized by business sectors and level of ability. To create a competence based society, the South Korean government has established NCS and have promoted the application of NCS in vocational education areas. In accordance with the government’s effort, universities, government institutions, and companies are trying to apply NCS into their system. Particularly, universities have developed NCS-based curriculum and offer courses which are developed based on national competency standards. However, a standardized assessment tool for instructors has not been developed as of yet. With absence of an assessment instrument, instructors are struggling to assess students’ NCS vocational competency. This study developed the performance assessment instrument to assess NCS communication skills, and tested the validity, reliability, usability of developed instrument. Developed performance assessment instrument enables the objective and coherent assessment of students’ communication skills. This study will contribute to the development of an assessment instrument for assessing other vocational basic skills.
A Study on the climbing strategy over vertical steps for the QuadTrack-III
Kyungmin Jeong,Hochul Shin,Yongchil Seo,Sung-uk Lee,Seungho Kim 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
This paper introduces a mobile robot named QuadTrack-III developed for urban search and rescue. This robot has four modular tracks which can be driven and lifted independently. Thus the configuration of the robot can be varied for adapting to uneven terrain. Each modular track consists of two sprockets with an attachment chain and two BLDC motors are embedded in the track module. It also includes BLDC motor drivers for each joint. Because the modular track mechanism embodies all of the things required for driving, the weight of the main body is smaller than the tracks. From this feature, the mass center of the robot can be lowered and the distribution of reaction forces can be varied. This paper describes the mechanical structure, the control architecture and a climbing strategy over vertical step for the QuadTrack-III. It also shows some experimental results of the vertical step climbing strategy.
이성욱(Sung-Uk Lee),서용칠(Yongchil Seo),정승호(Seungho Jung) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.10
The automation for constructing a building has been extensively studied. Various robots for construction were developed. However, the bolting process is still worked manually. To tighten bolts, human workers climb the vertical steel beam on the top of the high-rise steel structure in many construction fields. This works is extremely dangerous. Therefore, a new bolt tightening mobile manipulator is developed to automate bolting process in this paper. The bolt tightening mobile manipulator composes of four parts: a carrier, a vertical moving part, a bolting position control part and a bolting tool part. We assume that the developed mobile manipulator is attached to the boom which moves around the core of a building. The degree of freedom of the developed manipulator is five to access a bolting position of construction of steel. The carrier moves horizontally under the boom. The vertical moving parts is scissor type. The bolting position control part has 3 degree of freedom - one rotation and two linear motion.