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http://dx.doi.org/10.20910/JASE.2018.12.1.57

Thermal Design of Electronic for Controlling X-band Antenna of Compact Advanced Satellite  

Kim, Hye-In (Space Technology Synthetic Laboratory, Dept. of Aerospace Engineering, Chosun University)
You, Chang-Mok (Kukdong Telecommunication)
Kang, Eun-Su (Korea Aerospace Research Institute)
Oh, Hyun-Ung (Space Technology Synthetic Laboratory, Dept. of Aerospace Engineering, Chosun University)
Publication Information
Journal of Aerospace System Engineering / v.12, no.1, 2018 , pp. 57-67 More about this Journal
Abstract
The APD (Antenna Pointing Driver) is an electronic equipment tool that is used to drive the two-axis gimbal-type antenna for the image data transmission of CAS (Compact Advanced Satellite). In this study, a heat dissipation of EEE (Electrical, Electronic and Electromechanical) is reviewed, to identify the parts that directly affected its efficiency, lifetime as well as the reliability of the structure. This event eventually incurs a failure of the EEE part itself, or even the entire satellite system as noted in experiments in this case. To guarantee reliability of electronic equipment during the mission, the junction temperature of EEE parts is considered a significant and important design factor, and subsequently must be secured within the allowable range. Therefore, the notation of the thermal analysis considering the derating is indispensable, and a proper thermal mathematical model should be constructed for this case. In this study, the thermal design and thermal analysis are performed to confirm the temperature requirement of the APD. In addition, we noted that the validity of the thermal model, according to each of the identified modeling methods, was therefore compared through the thermal analysis utilized in this case.
Keywords
Antenna Pointing Driver; Thermal Analysis; Junction Temperature; Electronic Component; Derating Temperature;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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