Recent trends and challenges in predictive maintenance of aircraft's engine and hydraulic system

K Khan, M Sohaib, A Rashid, S Ali, H Akbar… - Journal of the Brazilian …, 2021 - Springer
Predictive maintenance (PM) strategies are based on real-time data for diagnosis of
impending failure and prognosis of machine health. It is a proactive process, which needs …

Condition monitoring of a complex hydraulic system using multivariate statistics

N Helwig, E Pignanelli… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
In this paper, a systematic approach for the automated training of condition monitoring
systems for complex hydraulic systems is developed and evaluated. We analyzed different …

Early detection and classification of internal leakage in boom actuator of mobile hydraulic machines using SVM

JT Jose, J Das, SK Mishra, G Wrat - Engineering Applications of Artificial …, 2021 - Elsevier
Mobile hydraulic machines are used in various operations like construction, material
handling and mining. High powers to weight ratio and manoeuvrability in rough terrains are …

Health prediction of hydraulic cooling circuit using deep neural network with ensemble feature ranking technique

J Prakash, PK Kankar - Measurement, 2020 - Elsevier
Health prediction of the hydraulic systems is of utmost importance as any breakdown may
lead to severe losses. In the present manuscript, the emphasis is on developing an …

Robust fault-tolerant control of an electro-hydraulic actuator with a novel nonlinear unknown input observer

CP Vo, HV Dao, KK Ahn - IEEE Access, 2021 - ieeexplore.ieee.org
In this paper, a novel adaptive fault-tolerant controller is proposed for a typical electro-
hydraulic rotary actuator in the presence of disturbances, internal leakage fault, and sensor …

[HTML][HTML] Artificial intelligence optimization and experimental procedure for the effect of silicon dioxide particle size in silicon dioxide/deionized water nanofluid …

AH Milyani, MA Al-Ebrahim, ET Attar… - Journal of Materials …, 2023 - Elsevier
Recent studies for nanofluids, did not pay enough attention to the effect of the nanoparticle
size and nanofluid stability on the heat transfer rate. In this study, the thermal conductivity …

Anomaly Detection Based on Time Series Data of Hydraulic Accumulator

MH Park, S Chakraborty, QD Vuong, DH Noh, JW Lee… - Sensors, 2022 - mdpi.com
Although hydraulic accumulators play a vital role in the hydraulic system, they face the
challenges of being broken by continuous abnormal pulsating pressure which occurs due to …

Dynamic modelling of the swash plate of a hydraulic axial piston pump for condition monitoring applications

A Bedotti, M Pastori, F Scolari, P Casoli - Energy Procedia, 2018 - Elsevier
In the last years Prognostic and Health Management (PHM) has become one of the
challenging topic in the engineering field. In particular, model-based approach for diagnostic …

[PDF][PDF] 基于遗传算法优化BP 神经网络的液压系统故障诊断

李文华, 牛国波, 刘羽佳 - 机床与液压, 2023 - qikan.cmes.org
液压系统作为控制和动力传输设备的核心部件, 在现代工业生产机械中被广泛应用,
准确诊断其故障具有提高生产效率和保障工作安全性等重要的工程意义. 液压系统一旦发生故障 …

Quantitative fault diagnostics of hydraulic cylinder using particle filter

Y Zhang, A Vacca, G Gong, H Yang - Machines, 2023 - mdpi.com
Condition-based hydraulic cylinder maintenance necessitates quantitative fault diagnostics.
However, existing methods are characterized by either qualitative or limited quantitative …