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조향 소프트웨어 AUTOSAR 플랫폼 간 SWC Migration 적용사례
김병민(Byoungmin Kim),박성부(Sungbu Park),전병호(Byoungho Jun),김광웅(Kwangwoong Kim) 한국자동차공학회 2023 한국자동차공학회 부문종합 학술대회 Vol.2023 No.5
Today, the importance of vehicle software is being emphasized day by day. Accordingly, increasing software complexity and shortening the development period are becoming important topics in vehicle development. In response to this demand most vehicle manufacturers are currently introducing AUTOSAR, a vehicle standard platform, to reduce development costs and develop reliable and reusable software. Since AUTOSAR is released as an open standard specification, it is implemented in an independent manner by various platform vendors. As a result, application software component (SWC) can theoretically be designed independently of platforms, but when application software is actually migrated into platforms from other vendors, changes occur due to differences in perceptions between platforms. This paper introduces a case of migrating the SWC of an electric steering system (EPS) designed with the existing AUTOSAR platform to another AUTOSAR platform.
반도체 미세공정 기술을 이용한 Hollow형 실리콘 미세바늘 어레이의 제작
金承國(Seung Kook Kim),張鍾賢(Jong-hyeon Chang),金秉玟(Byoungmin Kim),梁翔植(Sang Sik Yang),黃仁式(In Sik Hwang),朴政浩(Jungho Pak) 대한전기학회 2007 전기학회논문지 Vol.56 No.12
Hollow-type microneedle array can be used for painless, continuous and stable drug delivery through a human skin. The needles must be sharp and have sufficient length in order to penetrate the epidermis. An array of hollow-type silicon microneedles was fabricated by using deep reactive ion etching and HNA wet etching with two oxide masks. Isotropic etching was used to create tapered tips of the needles, and anisotropic etching of Bosch process was used to make the extended length and holes of microneedles. The microneedles were formed by three steps of isotropic, anisotropic, and isotropic etching in order. The holes were made by one anisotropic etching step. The fabricated microneedles have 170 ㎛ width, 40 ㎛ hole diameter and 230 ㎛ length.
복합장 해석에 의한 전자력 구동방식의 마이크로미러 설계
한승오(Seungoh Han),김병민(Byoungmin Kim),박정호(Jungho Pak) 대한전기학회 2010 전기학회논문지 Vol.59 No.2
A micromirror for a laser display system actuated by the electromagnetic force induced by the surface coil and the permanent magnet was designed and analyzed through the coupled physics analyses incorporating the electromagnetics, mechanics, and electrothermal analysis because the mechanical rotation of the micromirror is driven by the electromagnetic driving force. The proposed micromirror has two torsion beams to sustain the mirror plate which has surface coils on the top and the two permanent magnets exists on both sides of the micromirror for an external magnetic field source. The designed micromirror has the resonant frequency of 3.82㎑. When the magnetic field of the permanent magnet is 0.4T, the coil has 4 turns, and the current density of coil is 3.6A/㎟, the estimated z axis displacement of the mirror plate edge is 0.23㎜ which corresponds to the rotation angle of 14.2˚. When considering the joule heating in the current-carrying coil, the maximum temperature of the mirror plate is obtained as 300.045K, which induces the negligible changes in the rotation angle and the resistance of the coil.