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장한주(Han-Ju Jang),김달원(Dal-Won Kim),고종현(Jong-Hyun Ko) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
The fuction of vehicle air vent is both flow adjust and block of air, ventilation and dehumidification by discharging air through HVAC unit and duct on crash pad. A claim study about air vent V.O.C(voice of customer) indicates that knob breakaway and noise between knob bar and wing are important quality problems. This paper will propose a new structure which can control direction of air without knob bar and wing rod for improving chronic quality problem by using TRIZ methodology.
장한주(Han-Ju Jang),오석준(Seok Jun Oh),이상호(Sang-Ho Lee) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
The function of vehicle sun visor is protecting driver’s eyes from sun ray and securing a clear view. As an analysis of custom claim category of a sun visor, major important problems are drooping and damage of a sun visor by the contact fault of pivot arm and clamp. The improvement of sun visor claim needs many failure conditions and customer usage circumstances. This research analyzes pressure mechanism of clamp and pivot and suggests a robust design for rotation, up and down operation force and durability of a sun visor by a definition of test and assessment condition about factors
김선도(Sundo Kim),장한주(Hanjoo Jang) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_2
In this paper, to improve the the performance & quality of vehicle digital clock, we analyzed the every factor property of the system from design step to production synthetically, utilizing the DFSS method, the engineering process. From the results, ideal improvement method is suggested. and then optimizing design method, using the new technology, is presented.