A review: multiplicative faults and model-based condition monitoring strategies for fault diagnosis in rotary machines

P Kumar, R Tiwari - Journal of the Brazilian Society of Mechanical …, 2023 - Springer
In the present review article, the research findings in the field of investigating the vibrational
nature of the rotating machineries under the influence of multiplicative faults and their …

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 …

Rotor dynamic behaviors of a novel bearing system with bi-directional tilting effects: Experiment and theory

Z Xie, K Yang, W Gao, B Zhao, P Du… - Mechanical Systems and …, 2024 - Elsevier
The strong time-varying dynamic load, irregular and unpredictable impact of the propeller
lead to the shaft inclination and uncertain contact, which worsen the stability of propulsion …

Step-by-step fuzzy diagnosis method for equipment based on symptom extraction and trivalent logic fuzzy diagnosis theory

L Song, H Wang, P Chen - IEEE Transactions on Fuzzy …, 2018 - ieeexplore.ieee.org
A step-by-step fuzzy diagnostic method based on frequency-domain symptom extraction and
trivalent logic fuzzy diagnosis theory (TLFD), which is established by combining the trivalent …

Empirical-based DA and ANN to diagnose misalignment in rotor-bearing system

GL Suryawanshi, SK Patil… - … Testing and Evaluation, 2024 - Taylor & Francis
Timely and accurate misalignment fault detection in rotor bearing systems is crucial for
reliable and efficient operation, especially in Industry 4.0 based condition monitoring. The …

An innovative virtual trial misalignment approach for identification of unbalance, sensor and active magnetic bearing misalignment along with its stiffness parameters …

R Tiwari, P Kumar - Mechanical Systems and Signal Processing, 2022 - Elsevier
A model-based identification algorithm derived from an innovative virtual trial misalignment
(VTM) strategy is developed to identify the rotor unbalance, active magnetic bearings …

Compound faults diagnosis based on customized balanced multiwavelets and adaptive maximum correlated kurtosis deconvolution

L Hong, X Liu, H Zuo - Measurement, 2019 - Elsevier
Due to the compound faults with different type fault coupled together and the nonobvious
periodic impulses contaminated by strong noise, it is challenging to extract the fault …

Vibration condition monitoring system for wind turbine bearings based on noise suppression with multi-point data fusion

D Yang, H Li, Y Hu, J Zhao, H Xiao, Y Lan - Renewable energy, 2016 - Elsevier
A noise suppression method for feature frequency extraction that is supplemented with multi-
point data fusion was investigated in consideration of issues involving wind turbine vibration …

Detection and analysis of shaft misalignment in application of production and logistics systems using motor current signature analysis

J Lee, Y Lee, N Kim - Expert Systems with Applications, 2023 - Elsevier
With the increasing demand for automated manufacturing and logistics system, interior
permanent magnet synchronous motors (IPMSMs) are being actively researched because of …

A real-time shaft alignment monitoring method adapting to ship hull deformation for marine propulsion system

JW Cheng, WJ Bu, L Shi, JQ Fu - Mechanical Systems and Signal …, 2023 - Elsevier
Shaft alignment states are strictly stipulated in the marine propulsion system. However, there
are relatively limited studies on shaft alignment monitoring and control considering the …