Electromechanical response analysis of self-sensing carbon fiber sandwich composites under low-velocity impacts using linear discriminant analysis

Juhyeong Jang; Young-Bin Park

doi:10.1117/12.2658590

18 April 2023 Electromechanical response analysis of self-sensing carbon fiber sandwich composites under low-velocity impacts using linear discriminant analysis

Juhyeong Jang, Young-Bin Park

Author Affiliations +

Proceedings Volume 12487, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVII; 124871H (2023) https://doi.org/10.1117/12.2658590
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States

Conference Poster

Abstract

Sandwich composites are vulnerable to low-velocity impacts that they are mainly exposed to. But non-destructive testing for sandwich composite is troublesome due to its discrete and inhomogeneous nature. This study investigates the damage severity of the non-conductive foam core sandwich composite using the electrical resistance change of Carbon fiber-reinforced plastics skins under impact. Four severity levels are paired to form 4C2 binary classifications, Single Linear Discriminant Analysis (LDA), using electrical resistance change as an input. By combining six Single LDAs’ probabilistic results into one system, this system can represent the specimen’s current state intuitively and diagnose the damage severity synthetically.

Citation Download Citation

Juhyeong Jang and Young-Bin Park "Electromechanical response analysis of self-sensing carbon fiber sandwich composites under low-velocity impacts using linear discriminant analysis", Proc. SPIE 12487, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVII, 124871H (18 April 2023); https://doi.org/10.1117/12.2658590

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available