## In order to reveal the stability and nonlinear characteristics of the friction self-excited vibration system from the perspective of microscopic multiscale fractal surface topography, a minimal two-degree-of-freedom mathematical model of the disc brake system is established in this paper. 미시적인 다중 스케일 프랙탈 표면 지형의 관점에서 마찰 자려 진동 시스템의 안정성과 비선형 특성을 밝히기 위해 본 논문에서는 디스크 브레이크 시스템의 최소 2자유도 수학적 모델을 설정했습니다.

Analysis of complex modal instability of a minimal friction self-excited vibration system from multiscale fractal surface topography

## According to the theory of friction self-excited vibration, a finite-element model of the disc brake system of the light-rail trains was established. 마찰 자려 진동 이론에 따라 경전철 디스크 브레이크 시스템의 유한 요소 모델이 확립되었습니다.

Effect of the Material Parameter and Shape of Brake Pads on Friction-Induced Disc Brake Squeal of a Railway Vehicle

## The present paper focuses on the effects of wheel-rail friction self-excited vibration and feedback vibration of corrugated irregularity on rail corrugation. 본 논문은 레일 주름에 대한 주름진 불규칙성의 바퀴-레일 마찰 자려진동과 피드백 진동의 효과에 초점을 맞추고 있다.

Study on the effects of wheel-rail friction self-excited vibration and feedback vibration of corrugated irregularity on rail corrugation

## Then, based on the theory of friction self-excited vibration, the three-dimensional model of a wheel–rail system was established by using the finite-element software ABAQUS, and the complex eigenvalue analysis of influence factors of rail corrugation was conducted based on wheel–rail contact parameters obtained by dynamic calculation. 그런 다음 마찰이론에 근거하여 자려 진동, 차륜-레일 시스템의 3차원 모델은 유한 요소 소프트웨어 ABAQUS를 사용하여 수립되었으며, 동적 계산으로 얻은 휠-레일 접촉 매개변수.

Analysis of influence factors of rail corrugation in small radius curve track