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Experimental Investigation of the Blade Tip Timing (BTT) Uncertainties [PDF]

, 2022
The uncertainties of blade tip displacement measurement using BTT are investigated through experiments. A novel test bench is established where the blade deformation can be measured simultaneously by laser displacement sensors and BTT, which enables the determination of the BTT measurement error.
Xiao, Zhicheng, Meng, Yiming, Ouyang, Hua   +2 more
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On-line real-time mistuning identification and model calibration method for rotating blisks based on blade tip timing (BTT)

Mechanical Systems and Signal Processing, 2021
Abstract Identifying the mistuning parameters and calibrating the finite element model (FEM) of the mistuned blisk in real-time is a meaningful way to acquire the blisk’s dynamic characteristics and predict its stress response. Because of the wearing and other reasons, the blisk’s mistuning is changing during the operation. Hence a BTT based rotating-
Dongfang Hu, Weimin Wang, Xulong Zhang, Kang Chen   +3 more
openaire   +1 more source

Blade tip timing (BTT) uncertainties

AIP Conference Proceedings, 2016
Blade Tip Timing (BTT) is an alternative technique for characterising blade vibration in which non-contact timing probes (e.g. capacitance or optical probes), typically mounted on the engine casing (figure 1), and are used to measure the time at which a blade passes each probe.
openaire   +1 more source

Rotating blade frequency identification by single-probe blade tip timing

Mechanical Systems and Signal Processing, 2022
Xuefeng Chen, Zhibo Yang
exaly  

Robust sparse representation model for blade tip timing

Journal of Sound and Vibration, 2021
Xuefeng Chen, Zengkun Wang, Zhibo Yang   +2 more
exaly  

Blind interpolation for multi-frequency blade tip timing signals

Mechanical Systems and Signal Processing, 2022
Guoji Shen, Yongmin Yang, Suiyu Chen
exaly  

A comprehensive review on blade tip timing-based health monitoring: status and future

Mechanical Systems and Signal Processing, 2021
Zhongsheng Chen, Jing He, Weimin Wang
exaly