Interpolation method for wideband signal reconstruction based on blade tip timing measurement
Sign Up to like & getrecommendations! Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2021.109168
Abstract: Abstract Blade tip timing (BTT) technique has become a promising way of online damage diagnosis for compressor and turbine blades by monitoring their vibrations. However, there are some disadvantages in previous algorithms for BTT signals,… read more here.
Keywords: tip timing; blade tip; wideband signal; signal reconstruction ... See more keywords
Blade synchronous vibration measurements of a new upgraded heavy duty gas turbine MGT-70(3) by using tip-timing method
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics Research Communications"
DOI: 10.1016/j.mechrescom.2020.103484
Abstract: Abstract The work described in this paper is part of a comprehensive prototype test conducted on a heavy duty power generation gas turbine recently upgraded by MAPNA Turbine Engineering and Manufacturing Company (TUGA). A Blade… read more here.
Keywords: tip timing; vibration; gas turbine; heavy duty ... See more keywords
A novel method for the determination of the change in blade tip timing probe sensing position due to steady movements
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2019.02.016
Abstract: Abstract The correlation of blade tip timing (BTT) measurements against strain gauge (SG) measurements and finite element (FE) predictions includes a number of uncertainties. One of the main ones is the steady movement of the… read more here.
Keywords: novel method; tip timing; blade tip; steady movements ... See more keywords
Constant speed tip deflection determination using the instantaneous phase of blade tip timing data
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2020.107151
Abstract: Abstract Blade Tip Timing (BTT) is a non-intrusive measurement technique that can be used to estimate the vibration characteristics of rotor blades during turbomachine operation. BTT uses proximity probes mounted into the turbomachine casing to… read more here.
Keywords: rotor; tip deflection; tip timing; blade tip ... See more keywords
Biprobes Blade Tip Timing Method for Frequency Identification Based on Active Aliasing Time-Delay Estimation and Dealiasing
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3165252
Abstract: Rotating blades are key turbomachinery components with high failure risk due to harsh working conditions. Thus, monitoring the running state of blades is urgently required. Blade tip timing (BTT) is regarded as a potential technology… read more here.
Keywords: tip timing; active aliasing; method frequency; blade tip ... See more keywords
Subspace Dimension Reduction for Faster Multiple Signal Classification in Blade Tip Timing
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3051997
Abstract: 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 under uniform probe layout and constant rotating speed. However,… read more here.
Keywords: music; tip timing; blade tip; multiple signal ... See more keywords
Single-Probe Blade Tip Timing: A Novel Method for Anomaly Identification Based on Frequency Shift
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3112794
Abstract: Blades are weak and essential parts of an aeroengine. Monitoring the running state of blades is essential for ensuring the safety of aeroengine operation. Blade tip timing (BTT) is considered a promising technique for operational… read more here.
Keywords: tip timing; blade tip; method; btt ... See more keywords
Compressed Sensing-Based Order Analysis for Blade Tip Timing Signals Measured at Varying Rotational Speed
Sign Up to like & getrecommendations! Published in 2020 at "Shock and Vibration"
DOI: 10.1155/2020/8328345
Abstract: Monitoring the vibrations of high-speed rotating blades is significant to the security of turbomachineries. Blade tip timing (BTT) is considered as a promising technique for detecting blade vibrations without contact online. However, extracting blade vibration… read more here.
Keywords: order; measured varying; speed; blade tip ... See more keywords