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A Study of the Vibration and Shock Isolation for HEV Battery Pack
김만달(Man-Dal Kim),장덕진(Duk-Jin Jang),이승준(Sung-Jun Lee),홍성욱(Seong-Wook Hong) Korean Society for Precision Engineering 2016 한국정밀공학회지 Vol.33 No.10
Hybrid Electric Vehicles (HEVs) are developed to be operated with two kinds of power source (Diesel Engine and Electric Motor with Rechargeable High Voltage Battery Pack). HEVs for military vehicle require high reliability to provide stable powers under serious environment such as vibration and shock. To ensure normal operation of battery pack under serious environment such as vibration and shock, the high voltage battery pack needs to have appropriate dynamic characteristics. This paper presents a design procedure for high voltage battery pack with such characteristics. An isolator design is proposed to reduce vibration and shock. Associated random vibration and shock response of the high voltage battery pack are simulated under conditions suggested by MIL specifications. Its dynamic characteristics and vibration and shock responses are validated with experiments.
미사일 발사체 포드의 진동 및 충격 안전성 검증에 관한 연구
김만달(Man-Dal Kim),홍성욱(Seong-Wook Hong),현종훈(Jong-Hoon Hyun),김동국(Dong-Kook Kim),이승준(Seung-Jun Lee) 한국생산제조학회 2015 한국생산제조학회지 Vol.24 No.3
The launcher pod for missiles capable of carrying a range of different warheads has been designed to be mounted on the tracked vehicle of the hybrid weapon system (HWS). In the development of this launcher pod, its structure was designed to be resilient to damage caused by shock and vibration, as well as preventing assembly errors due to the spring-back of the main composite cover and interfacing parts. This study investigated the design of the newly developed launcher pod, with its hybrid composite?metal structure, through simulation and experiment. Both simulation and actual experiments showed that the structure of the launcher is resilient to vibration and shock. The launcher pod was also subjected to vibration and shock tests to verify its performance.
임재곤(Jae-Gon Lim),김만달(Man-Dal Kim),범희락(Hee-Rak Beom),홍성욱(Seong-Wook Hong) 한국생산제조학회 2010 한국공작기계학회 추계학술대회논문집 Vol.2010 No.-
This paper presents a result of dynamic modeling and simulation for deploying beams. When a beam is axially deploying, lateral vibration is often observed. This paper proposes a finite element modeling technique to cope with time-varying properties of this kind of deploying beams. The simulated result from the proposed model is compared with that from a reference. Two-stage deploying beams are also investigated with the proposed dynamic modeling method.