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Chang-Yull Lee and Ji-Hwan Kim
A smart-skin antenna structure is investigated for active flutter control with piezoelectric sensors and actuators. The skin antenna is designed as a multilayer sandwich structure with a dielectric polymer to perform the role of antenna or radar structur...
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Se-Min Jeong, Bo-Hun Son and Chang-Yull Lee
In this study, the methods and results of numerical simulations to estimate the motion performance of a newly developed lightweight light buoy in waves and to check the effect of conceptually developed appendages on that performance were introduced. The ...
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Dae-San Choi, Ju-Hwan Choi and Chang-Yull Lee
In this study, structural colors were fabricated by producing an amorphous array with atypical silica particles. The colors were controlled by an array of silica particles with different sizes. In previous research, the process required inducement of the...
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Chang-Yull Lee, Jin-Young Jung and Se-Min Jeong
Transient responses of stiffened panels with piezoelectric sensors and actuators are studied under normal blast loads. The air vehicles could be exposed to blast pulses generated by an explosion or shock-wave disturbances. Thus, active vibration suppress...
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