Design Optimization of Bracket for Wear Sensor of Automobile Brake Pads Based on Dynamic Kriging Surrogate Model

Jun-Yeong Jeong; Jung Joo Yoo; Kyung Seok Byun; Hyunkyoo Cho

doi:10.7734/COSEIK.2024.37.2.95

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2024 Vol.37, Issue 2 Preview Page Next Page

Research Paper

Design Optimization of Bracket for Wear Sensor of Automobile Brake Pads Based on Dynamic Kriging Surrogate Model 자동차 브레이크 패드 마모량 측정센서 브라켓의 다이나믹크리깅 대리모델 기반 설계최적화

30 April 2024. pp. 95-101

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Abstract

This paper introduces an optimized design for a sensor bracket used to measure the wear amount of an automobile brake pad, based on a dynamic kriging surrogate model. During testing, the temperature of the brake pad can increase beyond 600°C, which often causes sensor malfunction. Therefore, it is essential to optimize the shape of the sensor bracket to minimize heat transfer. To reduce the computational cost of the optimization, the heat-transfer simulation is replaced by a dynamic kriging surrogate model. Dynamic kriging utilizes the best combination of correlation and basis functions and constructs an accurate surrogate model. Following optimization, the temperature of the sensor position decreases by 7.57%. The results from the surrogate model under optimum conditions are verified by a heat-transfer simulation, and the design optimization using a surrogate model is found to be effective.

Keywords

surrogate model

dynamic kriging

design optimization

heat-transfer simulation

brake pad

본 논문에서는 다이나믹크리깅 대리모델 기반 자동차 브레이크 패드 마모량 측정센서 브라켓의 설계최적화를 소개한다. 브레이크 작동시 마찰재 바닥의 온도가 600°C 이상으로 상승하고, 이 열이 전달되어 센서의 기능을 상실시킨다. 따라서 열전달을 최소화하는 브라켓 형상의 설계최적화는 필수적이다. 최적화에 소요되는 계산비용을 절감하기 위해 다이나믹크리깅 대리모델로 열전달 시뮬레이션을 대체하였다. 다이나믹크리깅은 최적의 상관함수와 기저함수를 선정하였으며, 정확한 대리모델을 도출하였다. 최적화 결과 센서위치의 온도가 초기모델에 비해 7.57% 감소하였으며, 이를 열전달 시뮬레이션으로 다시 한번 확인하여 대리모델 기반 최적설계가 유의미함을 검증하였다.

키워드

대리모델

다이나믹크리깅

설계최적화

열전달 시뮬레이션

브레이크 패드

References

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Information

Publisher :Computational Structural Engineering Institute of Korea
Publisher(Ko) :한국전산구조공학회
Journal Title :Journal of the Computational Structural Engineering Institute of Korea
Journal Title(Ko) :한국전산구조공학회 논문집
Volume : 37
No :2
Pages :95-101
Received Date : 2023-12-19
Revised Date : 2024-01-03
Accepted Date : 2024-01-03
DOI :https://doi.org/10.7734/COSEIK.2024.37.2.95

Journal of the Computational Structural Engineering Institute of Korea ISSN:1229-3059(Print) 2287-2302(Online) 한국전산구조공학회 논문집

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