http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
토크 제어를 위한 협업 로봇용 모터 팩의 외란 관측기 설계
이혁진(Hyuk Jin Lee),이재경(Jae-Gyeong Lee),김형우(Hyoung Woo Kim),김홍주(Hong Ju Kim) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.10
현재 산업의 성장에 따른 물류 제조 자동화 및 협업 로봇의 필요성이 높아지고 있다. 특히 사람의 노동력의 단순 대체를 넘어선 사람과 로봇의 협업을 통한 생산성의 향상은 이미 많은 연구가 진행됐다. 이 논문은 로봇과 사람의 Interaction에 특화된 댐핑 SEA의 설계와 모터 팩의 토크 제어를 향상할 수 있는 외란 관측기의 설계에 관한 연구이다. 댐핑 +b여 이론적 댐핑 및 강성 값과 실제 실험을 통해 구한 것을 비교하여 설계의 타당성을 검증하였다. 외란 관측기의 설계는 모터 팩 자체의 마찰과 댐핑이 상충하여 토크 제어 성능의 저하를 가져오기 때문에 이를 외란 관측기를 통해 해결하고 토크 제어의 성능을 향상하는 연구이다. 모터 팩의 설계를 기반으로 역 모델을 만들어 모델의 불확실성을 높이는 마찰 요소를 제거하여 토크 제어의 성능을 향상하는 것이다. 시뮬레이션과 실험을 통해 검증하였다.
이혁진 ( Hyuk Jin Lee ),최화열 ( Hwa Yeol Choi ) 한국사진지리학회 2009 한국사진지리학회지 Vol.19 No.1
The Purpose of this study was to analyze the background, tourism resources and events of Hanseong Baekje Cultural Festival, reputed as one of the festivals representing those of Seoul City in Korea. Hanseong Baekje Cultural Festival has drawn their attention to Hanseong Baekje Dynasty which was relatively distant from people`s interest, compared to the historical importance, and paved the way for informing Songpa-gu as a historical hub. In order to ensure cultural tourism festival with all the people`s support as well as local festival in Seoul, we need to grow qualitatively rather than expand quantitatively, and introduce active advertisement and chain marketing strategy with other districts.
이혁진* ( Hyuk Jin Lee ),최화열 ( Hwa Yeol Choi ) 한국사진지리학회 2014 한국사진지리학회지 Vol.24 No.3
The purpose of this paper is to describe the festival establishment and creating process, cultural tourism characteristics, and development directions of ‘The Gangneung Danoje Festival’. In order to achieve the purpose, the researcher conducted the literature review and field survey by using photos. Gangneung Danoje has the longest history among Korean local festivals and its main purpose is to worship the guardian spirit of a mountain which protects the town and pray for the peace of the town and all families and prosperity of farming. It was designated as Korean Important Intangible Cultural Properties(No. 13) in 1967 and as one part of Korea`s Masterpieces of the Oral and Intangible Heritage of Humanity by UNESCO in 2005. 2014 Gangneung Danoje was held from May 31 to June 7 and was composed of traditional memorial ceremonies, many cultural events(Danogut, Gangneung Gwanno Gamyeongeuk, and traditional Korean music performed by farmers), traditional folk games(ssireum, swing, tug of war, arrows throwing game and yunnori) and other programs and events(festival market and convenient facilities). The following development directions for the festival can be made: First, nationally supported human resources management for the effectiveness of the transmission system of Gangneung Danoje and the protection of it`s Intangible Cultural Properties are needed. Second, meaningless and crude programs should be phased out due to festival event degradation. Also it is needed that facility supplement for the festival and the appropriate use of the operational system management. Third, the various compositions of contents need to be developed in order to increase interest and satisfaction for the festival tourist. Together with contents development, the effective use of Danoje related characters and the coproduction of tourism souvenirs are required. Forth, the relationship marketing among Danoje and other festivals in Gangneung is required. Fifth, the global regional marketing strategies to increase the demand for foreign tourists should be established.
이혁진 ( Hyuk Jin Lee ),신애경 ( Ae Kyung Shin ) 한국사진지리학회 2014 한국사진지리학회지 Vol.24 No.4
The purpose of this paper is to analyze the cultural tourism characteristics and development directions of Gongju-city and Buyeo-gun in Chungcheongnam-do. In order to gain the purpose, the researchers conducted literature reviews and field surveys at two areas. As we know, historically, Gongju and Buyeo were old capitals of Baekje dynasty. The former was named ``Ungjin`` and was the capital of Baekje from AD 475 to 538 and the latter was named ``Sabi`` and was the capital of Baekje from AD 538 to 660. Two cities have numerous historical sites from this era, such as the mountain fortresses(Gongsanseong and Busosanseong), the tumuli(Royal Tomb of King Muryeong; Songsan-ri and Neungsan-ri), many temple sites and works of Buddhist art, and also have co-hosted Baekje cultural festival. The following development directions can be made; First, reasonable management on cultural properties and regions related marketing for strengthening their images are needed. If the cultural resources distributed in Gongju and Buyeo historic sites are preserved and used practically, it should be sufficient to create the image of historical and cultural city. Second, the establishment of attractive culture contents by the modeling of differentiation factors on Baekje Culture and the formation of energetic culture streets/avenues harmonized with contemporary society are included.
이혁진 ( Hyuk Jin Lee ),신애경 ( Ae Kyung Shin ) 한국사진지리학회 2015 한국사진지리학회지 Vol.25 No.1
Portugal is a country located in southwestern Europe on the Iberian Peninsula. Lisbon is a capital city and has many attractions such as religious monastery, cathedral, royal palace and castle. The purpose of this paper is to descript characteristics on historic and cultural landscapes and land marks including UNESCO World Heritage of Liston in Portugal. The findings are as follows; First, This city was conquered by Muslim Moors, occupying most of the Iberian Peninsula in the early 8th century. In 1147, Crusaders under Afonso Henriques reconquered the city for the Christians. Lisbon was one of biggest cities in the world during the 15-17th centuries after Vasco da Gama’s departure to India in 1498. After the 1755 earthquake, this city was rebuilt according to the plans of Prime Minister Marquess of Pombal. Second, The city has two sites listed by UNESCO as a World Heritage Site: Monastery of the Jeronimos and Tower of Belem, and Cultural Landscape of Sintra. Jeronimos Monastery can be considered one of the most prominent monuments and is one of the most successful achievements of the Manueline style. Tower of Belem built to commemorate Vasco da Gama’s expedition, is a reminder of the great maritime discoveries that laid the foundations of the modern world. Sintra, a town in the Grand Lisbon subregion has become a major tourist attraction, with many day-trippers visiting from Lisbon. Attractions include the summer residence of the kings of Palacio Real(14-17th century), the castle Castelo dos Mouros(8-9th century, reconstructed in the 19th century), and Palacio da Pena(19th). Third, Many monuments were built by Manueline style. This style is the representative art of Portugal in 15-16th century, named after then King Dom Manuel I. Jeronimos Monastery with its decorative windows surrounded with sculptured organic and twisted rope forms, is the major monument of the manueline style. Regardless of its original shapes and decorative patterns, it has been regarded as a variation of late-Gothic or of the earlier form of Renaissance. The style was extended to the decorative arts and spread to Spain, Mexico and India. The paper was performed as the regional study on the geographical understanding for Lisbon. It can be used as a basic data for understanding on Portuguese culture as well as a guide for Korean travelers visiting this city.
적외선 센서와 전방 영상 정보를 이용한 실내 자율주행 무인 비행체의 장애물 회피 방법
이혁진(Hyuk-Jin Lee),황성수(Sung-Soo Hwang) 제어로봇시스템학회 2017 제어·로봇·시스템학회 논문지 Vol.23 No.9
This paper presents an obstacle avoidance algorithm for an unmanned aerial vehicle (UAV) driving in indoor environments. The proposed algorithm utilizes an IR sensor and a front camera to detect and estimate an obstacle. The algorithm first estimates a distance between a UAV and an obstacle using an IR sensor. If an obstacle is located within a certain distance, the contour of the obstacle is extracted by the marker-controlled Watershed algorithm. Thereafter, a UAV recognizes the location of the obstacle and determines an adequate route. The proposed algorithm was verified by several examples, including colored-papers and pedestrians. Experimental results show that an obstacle is recognized well and the UAV can avoid the obstacle efficiently.