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이두진(Doojin Lee),이수민(Sumin Lee),김남균(Namgyun Kim),진종학(Jonghak Jin),김성규(Seongkyu Kim) 한국자동차공학회 2021 한국자동차공학회 부문종합 학술대회 Vol.2021 No.6
Redundant steering is a key technology for automated driving. The Electric Power Steering(EPS) system with fail-operational function enables either a driver or auto pilot system to make a safe stop in the rare case of a single failure. Mando developed a dual invertor system equipped with one actuator as the redundant steering system. In the case of single inverter, only 3 bus bars are needed. But the actuator needs 6 bus bars to connect the dual invertor. This means that when designing system, not only the distance from bus bar to magnetically sensitive Integrated Circuit (IC) but also the arrangement of bus bars are taken in account. In this paper, the optimized arrangement of 6 bus bars is proposed through static magnetic analysis to minimize the influence of the magnetic-sensitive IC Motor Position Sensor(MPS)bus. Frist define the design process, then analyze the magnetic field distribution based on the bus bar array combination table.
“주변적” 존재로의 회귀 - 에밀리 디킨슨의 생태학적 상상력
이두진(Doojin Lee) 19세기영어권문학회 2010 19세기 영어권 문학 Vol.14 No.1
The purpose of this essay is to elucidate the ecological traits of Emily Dickinson's nature poetry, and to show that her creative mind in the nature poems is activated through her ecological imagination. In most of her nature poems she draws the picture of diverse natural things, and her imagination moves to recognize their diversity, equality, and spontaneity. The humanistic view of nature has long been so reason-oriented that it is considered as having the hierarchial order in it and its diversity is overlooked by man. Dickinson refutes the established view of nature, and her ecological imagination in her nature poems starts to praise the diversity of nature and leads to the recognition of the “circumferential” beings in the natural world. In the process, she also finds the equality of all existences residing in nature, including man who has considered it as the object to be conquered, and, furthermore, cherishes the spontaneity of nature in which all natural beings are in the state of self-sufficiency. In that respect, her ecological imagination can be qualified as a return to the circumferential beings.