A comprehensive review on mechanical failures cause vibration in the gas turbine of combined cycle power plants

ATWK Fahmi, KR Kashyzadeh, S Ghorbani - Engineering Failure Analysis, 2022 - Elsevier
The vibration phenomena which occur in rotary machines, such as power plants, can result
in catastrophic consequences. Any failure in any power plant section can result in extended …

Review of performance testing of high precision reducers for industrial robots

Z Qiu, J Xue - Measurement, 2021 - Elsevier
The performance of a high precision reducer determines the accuracy and efficiency of the
mechanical motion, particularly in the field of industrial robots. To meet the requirements of …

Nonlinear vibrations of a dual-rotor-bearing-coupling misalignment system with blade-casing rubbing

Y Jin, Z Liu, Y Yang, F Li, Y Chen - Journal of Sound and Vibration, 2021 - Elsevier
In order to reveal the nonlinear vibration characteristics of an actual dual-rotor-aero-engine
with blade-casing rubbing, a dual-rotor-bearing-coupling misalignment system with blade …

Vibration response characteristics of a dual-rotor with unbalance-misalignment coupling faults: Theoretical analysis and experimental study

N Wang, D Jiang - Mechanism and Machine Theory, 2018 - Elsevier
In order to improve energy efficiency and compact structure, the dual-rotor structure, with low-
pressure rotor and high-pressure rotor, has been widely used in aero-engines. In severe …

Experimental investigations on vibration response of misaligned rotors

TH Patel, AK Darpe - Mechanical Systems and Signal Processing, 2009 - Elsevier
Misalignment is one of the most commonly observed faults in rotating machines. However,
there have been relatively limited research efforts in the past to understand its effect on …

Dynamic characteristics of ball bearing-coupling-rotor system with angular misalignment fault

P Wang, H Xu, Y Yang, H Ma, D He, X Zhao - Nonlinear Dynamics, 2022 - Springer
The rotor misalignment fault, which occurs only second to imbalance, easily occurs in the
practical rotating machinery system. Rotor misalignment can be further divided into coupling …

Dynamic modeling and analysis of the spline joint-flexible coupling-rotor system with misalignment

C Zhang, P Cao, R Zhu, W Chen, D Wang - Journal of Sound and Vibration, 2023 - Elsevier
In the field of aviation and navigation, the spline joint-flexible coupling-rotor system has
been widely used. However, the installation of the spline joint and the drive shaft is easy to …

Vibration response of misaligned rotors

TH Patel, AK Darpe - Journal of sound and vibration, 2009 - Elsevier
Misalignment is one of the common faults observed in rotors. Effect of misalignment on
vibration response of coupled rotors is investigated in the present study. The coupled rotor …

Fault diagnosis of machines operating in variable conditions using artificial neural network not requiring training data from a faulty machine

P Pawlik, K Kania, B Przysucha - Eksploatacja i Niezawodność, 2023 - yadda.icm.edu.pl
In the maintenance of rotating machinery, the vibration signal is the basis of condition
monitoring systems. Dedicated signal analysis methods are applied depending on the …

Vibration signatures of a rotor-coupling-bearing system under angular misalignment

FW da Silva Tuckmantel, KL Cavalca - Mechanism and Machine Theory, 2019 - Elsevier
Forces and moments arise in flexible couplings while accommodating misalignments. These
efforts are exerted on the coupled shafts, influencing the rotor dynamics and giving rise to …