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초고압수를 이용한 노면표시 자동제거 장비개발을 위한 제어시스템 및 노면최적조건에 대한 연구
권순욱,김균태,한재구,Kwon Soon-Wook,Kim Kyoon-Tai,Han Jae-Goo 한국건설관리학회 2004 건설관리 : 한국건설관리학회 학회지 Vol.5 No.4
Resent removal work for road signs has been labor intensive and required times since it has been done manually using shaving type equipment. While traditional process is conducting, there are traffic jams caused by the passing control, and happened unexpected accidents to workers working at dangerous road circumstance. Besides, in current shaving method, there are high potentialities on the air pollution as well as the explosive accident occurred by using a propane gas. So, as an alternative, we have studied to develop the automatic erasing equipment made up with a high pressure water-jet system and automatic control system, mobile system; Wate-rjet system consists of an intensifier and nozzles to give a high pressure and spray on the sign, and automatic control system is composed of one axis robot using a hydraulic servo actuator controlled by a lever, And as a mobile system, a truck plays an important role for the transport of equipment and the forward movement in a removal process. In this paper, we have analyzed the characteristics of road signs and have investigated current erasing methods in the field. And we have organized and designed automatic erasing equipment, and we have made a basic experiment to find out the optimal spray condition as like the spray distance, spray angle and injection pressure.
권순욱,KWON SOON-WOOK Korean Institute of Construction Engineering and M 2004 건설관리 : 한국건설관리학회 학회지 Vol.5 No.5
Current methods for construction site modeling employ large, expensive laser range scanners that produce dense range point clouds of a scene from different perspectives. Days of skilled interpretation and of automatic segmentation may be required to convert the clouds to a finished CAD model. The dynamic nature of the construction environment requires that a real-time local area modeling system be capable of handling a rapidly changing and uncertain work environment. However, in practice, large, simple, and reasonably accurate embodying volumes are adequate feedback to an operator who, for instance, is attempting to place materials in the midst of obstacles with an occluded view. For real-time obstacle avoidance and automated equipment control functions, such volumes also facilitate computational tractability. In this research, a human operator's ability to quickly evaluate and associate objects in a scene is exploited. The operator directs a laser range finder mounted on a pan and tilt unit to collect range points on objects throughout the workspace. These groups of points form sparse range point clouds. These sparse clouds are then used to create geometric primitives for visualization and modeling purposes. Experimental results indicate that these models can be created rapidly and with sufficient accuracy for automated obstacle avoidance and equipment control functions.
"MODEL SPELL CHECKER" FOR PRIMITIVE-BASED AS-BUILT MODELING IN CONSTRUCTION
권순욱,프레데릭 보쉐,허영기,Kwon Soon-Wook,Frederic Bosche,Huh Youngki Korea Institute of Construction Engineering and Ma 2004 건설관리 : 한국건설관리학회 학회지 Vol.5 No.5
This research investigates a Modeling Spell Checker that, similarly to Word Spell Checker for word processing software, would conform as-built 3D models to standard construction rules. The work is focused on the study of pipe-spools. Specifically pipe diameters and coplanarity are checked and corrected by the Modeling Spell Checker, and elbows are deduced and modeled to complete models. Experiments have been conducted by scanning scenes of increasing levels of complexity regarding the number of pipes, the types of elbows and the number of planes constituting pipe-spools. For building models of pipes from sensed data, a modeling method, developed at the University of Texas at Austin, that is based on the acquisition of sparse point clouds and the human ability to recognize geometric shapes has been used Results show that primitive-based models obtained after scanning construction sites can be corrected and even improved automatically, and, since such models are expected to be used as feedback control models for equipment operators, the higher modeling accuracy achieved with the Modeling Spell Checker could potentially increase the level of safety in construction. Result also show that some improvements are still needed especially regarding the co-planarity of pipes. In addition, results show that the modeling accuracy significantly depends on the primitive modeling method, and improvement of that method would positively impact the modeling spell checker.
한미 FTA 협상 타결에 따른 한국 건설기계 산업의 대응에 관한 연구
권순욱(Kwon, Soon-Wook) 동아대학교 경영문제연구소 2011 經營論叢 Vol.32 No.-
Construction machinery industry is the fastest growing industry and is emerging as one of Korea’s major export industries. In this paper, the status and international competitiveness of construction machinery industry is be discussed, and the impact of the Korea-US FTA negotiations on the construction machinery industry is be analyzed. In terms of the construction machinery industry, the Korea-US FTA negotiations wil be the factor of new threats and opportunities, and the effective response of those will be important in improving the international competitiveness of the construction machinery industry. If the Korea-US FTA negotiations enter into force, each sector production, consumption, as well as the industrial structure is expected to bring a huge change. In terms of macroeconomic trade promotion, investment, productivity and increasing their income through price stability will contribute to increased economic growth and welfare, expanding trade, the relevant technology, capital and labor to increase the movement of regulated markets and economic systems will be an opportunity to change friendly. The long-term acceptance of globalization, actively promote the advancement of institutions and practices and, through complementary hanmigan industrial structure and strengthen the constitution of the domestic industry competitiveness will contribute to the advancement of industrial structure by: When externally, the United States and other countries signed an FTA in the case of foreign direct investment increased after the conclusion of FTA, as shown by the fact that, the investor protection, enable the people-to-people exchanges, enhance external credibility through foreign direct investment has increased is expected. Korea-US FTA will also fast-growing Chinese influence in the region for a containment strategy for China and Japan in Northeast Asian economies to secure a competitive advantage will be an opportunity.
실험동물 사육실에서의 Exhaust Filter Unit의 악취제거성능에 관한 실험적 연구
권순욱(Soon Wook Kwon),홍진관(Jin Kwan Hong) 대한설비공학회 2013 설비공학 논문집 Vol.25 No.4
In this study, an exhaust filter unit for removing bad smells is designed and manufactured to understand the characteristics, damages, and effects on humans and animals of bad smell substances in laboratory animal breeding facilities. Using the exhaust filter unit, a deodorization performance test using ammonia gas, as a typical bad smell in an animal breeding room, was carried out for three types of activated and impregnated charcoal filters. The experimental results showed that the pressure loss of the HEPA and carbon filter was increased with flow rate and that the average deodorization performance for the case where an impregnated carbon filter was installed was a maximum value of between 93 and 96%, with various fractional flow rates ranging from 1,500 to 3,500 ㎥/h in a laboratory animal breeding room. The experimental results will also be used for the design and manufacture of a practical and efficient exhaust filter unit to cope with bad smell problems in animal breeding facilities.
권순욱(Kwon Soon-Wook),박희성(Park Hee-Sung) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.7
From July 2000, all public construction projects that exceed 50 billion won in budget are required to perform post evaluation within three-to-five years of their completion and report its result to Ministry of Land, Transportation and Maritime Affairs. To figure out problems of the projects and to proposes recommendations, the paper surveyed the post evaluation reports of three apartment housing projects, and compared them with estimations to analyze the resultant post-built deviations from initially estimated values, in terms of cost and schedule. As a result, it was revealed that there had been significant cost overruns and delays in schedule. The paper also addresses the revealed issues by proposing a frame of their analysis and possible usage of them.