Rotating blade frequency identification by single-probe blade tip timing
The rotating blade is a key turbomachinery component with a high failure risk. Therefore,
monitoring the rotating blade is urgently required. Blade tip timing (BTT) is regarded as an …
monitoring the rotating blade is urgently required. Blade tip timing (BTT) is regarded as an …
OPR-free single probe blade tip timing for monitoring rotating blade
Condition monitoring is crucial for a rotating blade working in harsh conditions. Blade tip
timing (BTT) is a potential technique for operational blade health monitoring owing to its non …
timing (BTT) is a potential technique for operational blade health monitoring owing to its non …
Blade vibration difference-based identification of blade vibration parameters: A novel blade tip timing method
Blade tip timing (BTT) technology is one of the most effective methods for vibration
monitoring and health management of rotating blades. However, in actual applications …
monitoring and health management of rotating blades. However, in actual applications …
Adaptive iterative approach for efficient signal processing of blade tip timing
Blade health monitoring (BHM) is an important technology to ensure safe operation of
turbine machinery. The blade tip timing (BTT) method is a non-contact approach of vibration …
turbine machinery. The blade tip timing (BTT) method is a non-contact approach of vibration …
A novel method to improve the precision of BTT under rapid speed fluctuation conditions
W Wang, K Chen, X Zhang, W Li - Mechanical Systems and Signal …, 2022 - Elsevier
It is ultra-important to evaluate the turbine machine blade dynamic stress under abnormal
conditions such as rapid rotating speed fluctuation result from surge, rub and foreign object …
conditions such as rapid rotating speed fluctuation result from surge, rub and foreign object …
Gridless compressed covariance sensing for parameter identification of nonuniform and undersampled blade tip timing data
Due to the harsh working environments, rotating blades are susceptible to failures, which
endanger the operational safety of turbomachinery; thus, it is important to monitor rotating …
endanger the operational safety of turbomachinery; thus, it is important to monitor rotating …
Automatic tracking of natural frequency in the time–frequency domain for blade tip timing
Natural frequency is an essential parameter for rotating blade condition monitoring. Various
previous simulations and experiments have shown that multiple signal classification …
previous simulations and experiments have shown that multiple signal classification …
A novel OPR-free method for blade tip timing based on adaptive variable reference blades
K Zhou, B Qiao, M Liu, W Gao, J Dai, X Chen - Aerospace Science and …, 2023 - Elsevier
Monitoring rotor blade vibrations is imperative in aero-engine testing and service. Blade tip
timing (BTT), a promising technique for such monitoring, assesses the operational status of …
timing (BTT), a promising technique for such monitoring, assesses the operational status of …
Subspace dimension reduction for faster multiple signal classification in blade tip timing
Blade tip timing (BTT) is a noncontacting vibration measurement method for rotating blade
condition monitoring. The BTT sampling frequency is proportional to the number of probes …
condition monitoring. The BTT sampling frequency is proportional to the number of probes …
[HTML][HTML] Multi-probe linear fitting and time of arrival linear correction method to analyze blade vibration based on blade tip timing without once-per-revolution
REN Sanqun, X Xiang, Z Qingjun, W Weimin… - Chinese Journal of …, 2023 - Elsevier
Blade vibration monitoring can ensure the safe operation of aero-engine rotor blades.
Among the methods of blade vibration monitoring, Blade Tip Timing (BTT) method has …
Among the methods of blade vibration monitoring, Blade Tip Timing (BTT) method has …