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유연생산 시스템 구축을 위한 공작물 자동교환 유닛의 상하 이송 기구 설계에 관한 연구(파트 1)
박후명(Hoo-Myung Park),강진갑(Jin-Kab Kang),이용중(Yong-Joong Lee),하만경(Man-Kyung Ha) 한국기계가공학회 2008 한국기계가공학회지 Vol.7 No.2
The objective of this study is to develop an automatic object changer unit to improve processing problems existed in the conventional horizontal machining center. In order to perform this objective, a upward and downward traverse unit in which a unit that consists of a motor and reducer, chain and sprocket wheel, and upper and lower base employed in an automatic object changer unit performs sliding contact motion in a frame was designed. To achieve this design, constraint conditions for the upward and downward traverse unit first designed. Then, an operation mechanism was designed and that was introduced as a sum of kinetic energy for the sprocket wheel and upper and lower base based on the moment of inertia, which is the kinetic energy of the converted upward and downward traverse unit in the side of the reducer. In addition, The work required to rotate the converted upward and downward traverse unit in the side of the reducer by one revolution can be calculated using the sum of work that is required in the sprocket wheel and upper and lower base that is a part of the upward and downward traverse unit. Furthermore, the converted equation of motion in the side of the motor can be introduced using the equation of motion using the converted upward and downward traverse unit in the side of the motor. Then, Then, a proper motor can be determined using predetermined specifications employed in the motor and several parameters in the upward and downward traverse unit in order to verify such predetermined specifications. Also, a design of a horizontal traverse unit that performs sliding motion on a upward and downward traverse unit and simulation that verifies the results of this design are required as a future study.
A Study on Exclusive Robot System for Hot Forging Operations
이준호(Jun-ho LEE),성재경(Jae-Kyeong SUNG),강진갑(Jin-Kab KANG) 한국기계가공학회 2010 한국기계가공학회 춘추계학술대회 논문집 Vol.2010 No.6
An exclusive robot system is being used to control hot forging operations with a hanger for handling materials during a high speed forging process. Controlling manipulators involve the rotational control in continuous rotation and incremental angle rotation modes. The position of a manipulator requires integrated control with a press to achieve the inch per press stroke for compensating an increase in workpiece length due to the cross section area reduction in the workpiece. Various sensors, such as pulse encoder, limit sensor, and etc., are interfaced to a P.L.C while the output is interfaced with some machine control devices, such as relays, solenoids, and servo valves. Limit switches and proximity switches are monitored in an interlock circuit.
텔리오퍼레이션 조작을 기반으로 하는 가변 로봇 힘 표현 방법
이용중(Yong-Joong Lee),성재경(Jae-Kyeong Sung),강진갑(Jin-Kab Kang) 한국기계가공학회 2009 한국기계가공학회 춘추계학술대회 논문집 Vol.2009 No.6월
In teleoperation, it is important to let operator know the simulation of remote place correctly. We improve operability of teleoperation with force feedback using haptic interface in this research. If there are a lot of tasks in the remote place, it is necessary to change force feedback method according to each task. in this paper, we propose variable force display method based on tasks in teleoperation.
텔리오퍼레이션 조작을 기반으로 하는 가변 로봇 힘 표현 방법
이용중(Yong-Joong Lee),성재경(Jae-Kyeong Sung),강진갑(Jin-Kab Kang) 한국기계가공학회 2009 한국기계가공학회 춘추계학술대회 논문집 Vol.2009 No.6
In teleoperation, it is important to let operator know the simulation of remote place correctly. We improve operability of teleoperation with force feedback using haptic interface in this research. If there are a lot of tasks in the remote place, it is necessary to change force feedback method according to each task. in this paper, we propose variable force display method based on tasks in teleoperation.
韓末 日帝의 土地侵奪에 관한 一硏究 : -Focused on Yongjong Island case from 1905 to 1906- -1905.6 年間의 永宗島事例를 中心으로-
康鎭甲 한양대학교 한국학연구소 1986 韓國學論集 Vol.10 No.-
This is a case study on Japan's land-dispossession of Korea during the late Period of the Lee Dynasty. In 1905 a Japanese, Takekawa(武川 盛次) wanted to get the cultivating right to the virgin soil of Yongjong Island which is off the coast of Inchon. Because the virgin soil of Yongjong Island was not fixed on it's possession, it was necessary to have the Korean Government's permission to culitivate it. At that time, the Korean Government did not give approval to the foreigners to cult- ivate the virgin soil. Thereafter, Takekawa could not obtain the right unless he did so under the name of a Korean. So he took the the right of cultivation in the names of Korean, Hwang Seog-weon(黃錫元) and Lee chimyong(李致明 ) in April, 1905. And on the pretext of the right he steadily dispossessed the surrounding private land. In June, 1905 he founded Kwon-up Ltd., Co.(勸業合資會社) and plann- ed to transfer the registration titled by Koreans to his own. At last, Yongjong Islanders petitoned the Korean Government to have the lost land taken back. The Government started negotiating with the Japanese Residency-General(統監府) from June, 1906. The Residency-General finally requested Takegawa to return the land to the Islanders. This historiacl highlight suggested that the Islander's strenuous struggle prevent even the imperialist from dispossessing their private land.