scholarly journals Frequency response function measurement of a rotor system utilizing electromagnetic excitation by a built-in motor

2020 ◽  
Vol 14 (4) ◽  
pp. JAMDSM0043-JAMDSM0043
Author(s):  
Ren YANG ◽  
Wataru TSUNODA ◽  
Dong HAN ◽  
Jianpeng ZHONG ◽  
Tadahiko SHINSHI
Keyword(s):  
Frequency Response ◽  
Response Function ◽  
Frequency Response Function ◽  
Rotor System ◽  
Function Measurement ◽  
Electromagnetic Excitation ◽  
Frequency Response Function Measurement

scholarly journals Frequency Response Function Measurement on Simplified Disc Brake Model

2018 ◽  
Vol 68 (3) ◽  
pp. 225-230
Author(s):  
Úradníček Juraj ◽  
Miloš Musil ◽  
Michal Bachratý
Keyword(s):  
Frequency Response ◽  
Response Function ◽  
Frequency Response Function ◽  
Degrees Of Freedom ◽  
Disc Brake ◽  
Damping Properties ◽  
Function Measurement ◽  
Two Degrees Of Freedom ◽  
Frequency Response Function Measurement

AbstractThe paper describes role of non-proportional damping in flutter type instability, demonstrated on simplified disc brake model. The discrete two degrees of freedom system is considered to imply damping induced instability through a system eigenvalues evaluation. The Frequency Response Function (FRF) is further calculated from measurements on the physical disc brake model. From FRF, damping properties are estimated and discussed. Several different loading states of the pad versus disc are considered to show loading impact on FRF and thus damping of the system.

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