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오세봉,심병균,한성현,조창제,박동준 제어로봇시스템학회 2008 제어로봇시스템학회 국내학술대회 논문집 Vol.2008 No.10
This paper achieves a research about remote control of robot based on voice recognition. through real-time remote control and wireless network capabilities of an unmanned remote-control experiments and Home Security / exercise with an unmanned robot, remote control and voice recognition and voice transmission are possible to transmit on a PC using a microphone to control a robot to pinpoint of the source. Speech recognition can be controlled robot by using a remote control. In this research, speech recognition speed and direction of self-driving robot were controlled by a wireless remote control in order to verify the performance of mobile robot controller.
오세봉,심병균,Nguyen Van Quyet,한성현,박동준 한국공작기계학회 2008 한국공작기계학회 추계학술대회논문집 Vol.2008 No.-
This paper achieves a research about remote control of robot based on voice recognition. Through real-time remote control and wireless network capabilities of an unmanned remote-control experiments and Home Security / exercise with an unmanned robot, remote control and voice recognition and voice transmission are possible to transmit on a PC using a microphone to control a robot to pinpoint of the source. Speech recognition can be controlled robot by using a remote control. In this research, speech recognition speed and direction of self-driving robot were controlled by a wireless remote control in order to verify the performance of mobile robot controller.
오세봉,이우송,Le Xuan Thu,한성현 한국공작기계학회 2007 한국공작기계학회 추계학술대회논문집 Vol.2007 No.-
In this paper, it is presented a new approach to the design of intelligent control system of a autonomous robot with two drive wheel. The proposed control scheme uses a Gaussian function as a unit function in the fuzzy neural network, and back propagation algorithm to train the fuzzy neural network controller in the framework of the specialized learning architecture. It is proposed a learning controller consisting of two neural network-fuzzy based on independent reasoning and a connection net with fixed weights to simply the neural networks-fuzzy. The performance of the proposed controller is shown by performing the computer simulation for trajectory tracking of the speed and azimuth of a mobile robot driven by two independent wheels.
A Technology of Obstacle Avoidance of Mobile Robot
오세봉,한성현 한국생산제조학회 2008 한국생산제조학회지 Vol.17 No.6
We propose a new technique for autonomous navigation and travelling of mobile robot based on ultrasonic sensors through the narrow labyrinth that leave only distance of a few centimeters on each side between the guides and the robot. In our current implementation the ultrasonic sensor system fires at a rate of 100 ms, that is, each of the 8 sensors fires once during each 100 ms interval. This is a very good firing rate, implemented here for optimal performance. This paper presents an extensively tested and verified solution to the problem of obstacle avoidance. Our solution is based on the optimal placement of ultrasonic sensors at strategic locations around the robot. Both the sensor location and the associated navigation algorithm are defined in such a way that only the accurate radial sonar data is used for accurate travelling.
오세봉,Nguyen Huu Cong,김준홍,조창제,한성현 한국공작기계학회 2008 한국공작기계학회 추계학술대회논문집 Vol.2008 No.-
This paper achieves a research about avoidance of obstacles avoidance based on ultrasonic sensor. The performance of the proposed obstacle avoidance robot controller in order to determine the exact dynamic systems modeling system that uncertainty is difficult for nomadic controlled robot direction angle by ultrasonic sensors throughout controlled performance tests. In additionally, this study is an in different ways than the self-driving simulator in the development of ultrasonic sensors and unmanned remote control techniques used by the self-driving robot controlled driving through an unmanned remote controlled unmanned realize the performance of factory automation.
오세봉,심병균,한성현,조창제 제어로봇시스템학회 2008 제어로봇시스템학회 국내학술대회 논문집 Vol.2008 No.10
This paper achieves a research about avoidance of obstacles avoidance based on ultrasonic sensor. The performance of the proposed obstacle avoidance robot controller in order to determine the exact dynamic systems modeling system that uncertainty is difficult for nomadic controlled robot direction angle by ultrasonic sensors throughout controlled performance tests. In additionally, this study is an in different ways than the self-driving simulator in the development of ultrasonic sensors and unmanned remote control techniques used by the self-driving robot controlled driving through an unmanned remote controlled unmanned realize the performance of factory automation.
오세봉(Se Boong Oh),안태경(Tae Kyong Ahn),최용규(Yong Kyu Choi) 한국해양공학회 1999 韓國海洋工學會誌 Vol.13 No.1
In order to evaluate the performance of axially or laterally loaded piles experimentally, pile load tests can be carried out at the site. Otherwise stress analysis or subgrade reaction analyses can solve the problem. In this study, stress analysis using FLAC code and subgrade reaction analyses using load transfer curves recommended by API(1993) were performed consistently on the basis of a result of site investigations, and the result of analyses was compared with the measured. As a result the behavior of pile heads was analyzed accurately for both axially and laterally loaded tests. Furthermore axially transferred loads were calculated appropriately for the measured and axial loads were transferred mainly by the frictional resistance rather than by the tip resistance. Consequently, it can be commented that both analysis methods of soil-pile systems are applicable at the objective site and that solutions may be more accurate if material properties from the site investigation are more explicit.
오세봉 ( Sebong Oh ),신현채 ( Hyunchae Shin ),임성택 ( Sungtaek Lim ) 한국농공학회 2019 한국농공학회 학술대회초록집 Vol.2019 No.-
시설농업지역이 집단화되고 농업수익성을 높이기 위하여 동절기에 하절기 작물을 재배하며 겨울철 난방을 위한 지하수의 과다사용으로 물 부족현상이 초래되고 있다. 이러한 물 부족문제 해결을 위해 정부와 지자체는 많은 노력을 이어오고 있으며, 한국농어촌공사 또한 지역적 특성을 고려한 함양공법 개발과 효과 극대화를 위해 노력해오고 있다. 2015년에 실시한 시설농업단지 지하수함양사업 타당성 분석 결과에 따르면 밭의 비중은 1990년 36.2%에서 2013년 43.7%로 높아졌고, 논에서 밭작물의 재배가 확대된 것으로 조사되었다. 주된 밭작물은 딸기, 수박, 토마토 등 이며, 이들 작물들은 하절기 작물임에도 불구하고 주로 동절기에 재배가 이루어져 갈수기 때 지하수이용량이 많아져 집단화된 시설하우스 지역의 물 부족을 초래하게 되었다. 시설농업단지의 물 이용은 작물생육에 필요한 생육용수와 시설하우스 내적정온도 유지를 위한 난방용수로 구분된다. 시설하우스의 난방은 부직포, 다겹 보온재, 보온덮개, 화석연로, 목재팰릿, 전기 및 지열냉난방을 이용하는 경우가 많으나 연중 일정한 수온을 갖는 지하수를 이용한 수막재배가 활용되며 물 이용에 따른 분쟁을 부추기는 실정이다. 2015년의 조사결과에 따르면 집단화된 시설농업단지 68%정도에서 물 부족이 확인되었고, 물 부족으로 인한 수막재배의 어려움이 발생되어 농업경영비 부담으로 이어졌다. 시설농업지역의 물 부족해결을 위해 한국농어촌공사와 각 지자체에서는 지역특성을 반영한 지하수인공함양사업을 시범적으로 추진하며 노력해왔다. 그 사례로 진주시 단목지구, 밀양시 밀양들지구, 이천시 모전지구, 곡성군 대평지구가 대표적이다. 이들 사업지구는 현장실증 시험을 위한 시범사업으로 추진되었으며 농업경영인 들로부터 그 성과는 확인되었다. 특히, 진주시 단목지구는 지하수함양사업의 타당성조사와 현장적용시험을 거치는 등지자체의 꾸준한 노력으로 전국최초 대규모 들녘(200ha)에 국비를 지원받아 지하수인공함양시설 설치공사가 진행 중에 있기도 하다. 최근, 보 개방으로 지하수위가 변동되어 영농에 어려움을 겪는 농가들이 발생하기도 했다. 자연생태계의 보전과 농업용수 이용에 따른 이견 앞에서 갈등의 골이 깊어지기도 했으나, 자연적이든 인위적이든 지하수가 부족한 지역에 지하수인공함양을 통해 수자원을 지하에 저장하고 이용한다면 물 이용관련 문제는 해결되리라 생각된다.