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2열 승객 안락감 향상을 위한 폴드앤다이브 릴렉션 시트 개발
김무영(Kim, Mu Young),박상도(Park, Sang Do),정찬호(Jung, Chan Ho),정호석(Jung, Ho Suk),이혁승(Lee, Hyeok Seung),윤준영(Yun, Jun Young),이원영(Lee, Won Yeong),황준식(Hwang, Jun Sik),김경주(Kim, Kyeong Ju),정태주(Jeong, Tae Ju),이명수( 한국자동차공학회 2022 한국자동차공학회 학술대회 및 전시회 Vol.2022 No.11
The paradigm of the interior space of the car is changing as it expands beyond simple seating to relaxation and entertainment. In response to this, we have developed a new concept of relaxation comfort seat that enables simultaneous performing reclining and cushion tilt as a study of zero gravity fatigue reduction posture, and it was the first in the world to apply Grandeur passenger seat. Since this technique requires the lower thigh angle to be raised by at least 28°, it cannot be implemented with the existing tilt mechanism, and a structure that lowers the H-Pt while maximizing the tilt amount has been added. This was also applied to the 2nd row seat, but it could not be applied to seats with the Fold&Dive function applied to increase the luggage capacity of the SUV because the cushion part moved downward in conjunction with the back. To solve this, the idea was devised to move the tilt mechanism together with the cushion part in the same direction, and a new concept mechanism was developed using TRIZ to separate the hockey bar into two in order to further lower the H-Pt position. Since this technology can be implemented only by changing some parts in the existing frame, it can be applied immediately. In addition, in the era of autonomous driving, it is expected that it will make a great contribution with technology that can increase customer satisfaction.
이상진 ( Sang Jin Lee ),박관수 ( Gwan Soo Park ),김동일 ( Dong Il Kim ),이동근 ( Dong Kun Lee ),길승호 ( Sung Ho Kil ),장성완 ( Seong Wan Jamh ),박범환 ( Beom Hwan Park ),윤준영 ( Jun Young Yun ),장관우 ( Kwan Woo Jang ),이호영 ( 한국환경복원기술학회 2013 한국환경복원기술학회지 Vol.16 No.1
This study was to provide the base data on the status of vegetations and soils in green roofs by analyzing the soil and vegetation characteristics of 4 green roofs in Dongguk University in September 2012. Sanglokwon(SW), Dongguk Hall(DH), University Library(UL), and Information and Culture Hall P(IC) were established in 2005, 2008, 2009, and 2010, respectively. The areas of green roofs were 700m2, 2,300m2, 1240m2, and 640m2 in SW, DH, UL, and IC respectively. The investigated floras of vascular plants were 26 families, 55 genera, 65 species in Snglokwon(SW), 53 families, 99★ genera, 112 species in Dongguk Hall(DH), 43 families, 77 genera, 84 species in University Library(UL), and 41 families, 71 genera, 75 species in Information and Culture Hall P(IC), respectively. A positive correlation is shown between the number of plant species and planting area. Total nitrogen, organic matter, and potassium in soil have positive correlation with the number of plant species. The number of plant species was proportional to area and increased more than twice after planting. About a quarter of the invaded plants (including native and naturalized species) were naturalized plants. The total soil depths including vegetation soil and drainage soil at SW, DH, UL. and IC were 20cm, 10cm, 10cm, and 8cm, respectively, The depths of vegetation soil at SW, DH. UL, and IC were <7cm, <3cm, <2cm, and <2cm respectively. The soil pH in vegetation soil ranged from 5.22 to 5.36, and from 6.13 to 6.39 in drainage soil. Available-P concentration ranged from 10.17 to 18977rng/kg in vegetation soil and from 6.70 to 81.17mg/kg in drainage soil. Carbon concentration in vegetation soil ranged from 2.93 to 9.70%, and 2.93 to 9.70% in drainage soil. Carbon contents in 20cm, 10cm, 10cm, and 8cm soil depths were 2.62kg/m2, l.89kg/m2, 0.SOkg/m2, and 0.53kg/rn2 at SW, DH, UL, and IC, respectively.