Predictive maintenance of pumps in civil infrastructure: State-of-the-art, challenges and future directions

SM Hallaji, Y Fang, BK Winfrey - Automation in Construction, 2022 - Elsevier
Predictive maintenance (PdM) is a technique that employs data-driven analysis to detect
anomalous working conditions and predict future failure risks of assets. Despite wide …

Adaptive decision-level fusion strategy for the fault diagnosis of axial piston pumps using multiple channels of vibration signals

Q Chao, HH Gao, JF Tao, YH Wang, J Zhou… - Science China …, 2022 - Springer
An axial piston pump is a key component that plays the role of the “heart” in hydraulic
systems. The pump failure will lead to an unexpected breakdown of the entire hydraulic …

Health evaluation of axial piston pumps based on density weighted support vector data description

Q Chao, Y Shao, C Liu, X Yang - Reliability Engineering & System Safety, 2023 - Elsevier
Axial piston pump is the power source of hydraulic systems and its health evaluation is
crucial for the condition monitoring of hydraulic systems. Previous studies focused on the …

Research on wear prediction of piston/cylinder pair in axial piston pumps

F Lyu, J Zhang, G Sun, B Xu, M Pan, X Huang, H Xu - Wear, 2020 - Elsevier
The piston/cylinder pair is the critical lubricating interface of axial piston pumps. It suffers
from excessive wear, especially under high output pressure. The performance degradation …

Simulation and experimental investigation on low wear rate surface contour of piston/cylinder pair in an axial piston pump

J Zhang, F Lyu, B Xu, W Huang, W Wu, Z Guo, H Xu… - Tribology …, 2021 - Elsevier
The surface modification technology affects the friction and wear resistance of the
piston/cylinder pair in axial piston pumps. However, in the early operating stages, the …

Fault diagnosis of axial piston pumps with multi-sensor data and convolutional neural network

Q Chao, H Gao, J Tao, C Liu, Y Wang… - Frontiers of Mechanical …, 2022 - Springer
Axial piston pumps have wide applications in hydraulic systems for power transmission.
Their condition monitoring and fault diagnosis are essential in ensuring the safety and …

A fault diagnosis method for loose slipper failure of piston pump in construction machinery under changing load

H Tang, Z Fu, Y Huang - Applied Acoustics, 2021 - Elsevier
Piston pump is the power source and key component of hydraulic system in construction
machinery. Its working status and service performance directly affect the construction quality …

Dynamic modelling of swashplate with local defects in axial piston pump and coupled vibration analysis

P Ying, H Tang, S Ye, Y Ren, J Xiang… - Mechanical Systems and …, 2023 - Elsevier
Local defects in a swashplate usually occur on the contact surfaces between the slipper and
swashplate in an axial piston pump. An in-depth analysis of vibrations of a defective …

A single-loop reliability analysis strategy for time-dependent problems with small failure probability

R Cao, Z Sun, J Wang, F Guo - Reliability Engineering & System Safety, 2022 - Elsevier
In recent years, many time-dependent reliability methods have been proposed. However,
these kinds of methods are barely applied in the field of small failure probability events. This …

Subsequence time series clustering-based unsupervised approach for anomaly detection of axial piston pumps

C Dong, J Tao, Q Chao, H Yu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Axial piston pump is the key component of a hydraulic system. The reliability of the axial
piston pump influences the reliability of the fluid power system directly. Discharge pressure …