Hydraulic piston pump in civil aircraft: Current status, future directions and critical technologies
Reads0
Chats0
TLDR
In this paper, a basic introduction to the civil aircraft piston pump is presented, including the classification, structure, working principle, design features, and achievements by some research groups, and the future directions of the aircraft pump are reported from various perspectives.About:
This article is published in Chinese Journal of Aeronautics.The article was published on 2020-01-01 and is currently open access. It has received 62 citations till now. The article focuses on the topics: Piston pump & Hydraulic cylinder.read more
Citations
More filters
Journal ArticleDOI
An improved convolutional neural network with an adaptable learning rate towards multi-signal fault diagnosis of hydraulic piston pump
TL;DR: An improved intelligent method based on CNN with adapting learning rate is constructed for fault diagnosis of a hydraulic piston pump and experiments indicate that the improved CNN model can effectively and accurately identify various faults for a hydraulic engine.
Journal ArticleDOI
Intelligent fault diagnosis of hydraulic piston pump based on deep learning and Bayesian optimization.
TL;DR: In this paper , a Bayesian optimization (BO) algorithm is adopted to automatically select the hyperparameters. And the results indicate that CNN-BO can accomplish the intelligent fault diagnosis of a hydraulic pump accurately.
Journal ArticleDOI
Intelligent fault diagnosis of hydraulic piston pump combining improved LeNet-5 and PSO hyperparameter optimization
TL;DR: The PSO-Improve-CNN model presents the highest diagnostic accuracy, less time in training and testing, and greater robustness, and the comprehensive performance of the proposed model is demonstrated to be much stronger.
Journal ArticleDOI
Integrated slipper retainer mechanism to eliminate slipper wear in high-speed axial piston pumps
Journal ArticleDOI
A novel adaptive convolutional neural network for fault diagnosis of hydraulic piston pump with acoustic images
TL;DR: Wang et al. as mentioned in this paper employed Bayesian optimization (BO) for adaptive HP learning, and an improved convolutional neural network (CNN) was established for fault feature extraction and classification in a hydraulic piston pump.
References
More filters
Journal ArticleDOI
The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis
Norden E. Huang,Zheng Shen,Steven R. Long,Man-Li C. Wu,Hsing H. Shih,Quanan Zheng,Nai-Chyuan Yen,C. C. Tung,Henry H. Liu +8 more
TL;DR: In this paper, a new method for analysing nonlinear and nonstationary data has been developed, which is the key part of the method is the empirical mode decomposition method with which any complicated data set can be decoded.
MonographDOI
Aircraft Systems: Mechanical, Electrical, and Avionics Subsystems Integration, Third Edition
Ian Moir,Allan Seabridge +1 more
TL;DR: In this paper, the authors present a review of the state-of-the-art avionics technologies in the field of fight control systems engine control systems fuel systems hydraulic systems electrical systems pneumatic systems emergency systems helicopter systems advanced systems systems design and development avionics technology.
Book
Aircraft Systems: Mechanical, Electrical, and Avionics Subsystems Integration
Ian Moir,Allan Seabridge +1 more
TL;DR: The third edition of Aircraft Systems represents a timely update of this highly successful and widely acclaimed work as discussed by the authors, where Moir and Seabridge present an in-depth study of the general systems of an aircraftelectronics, hydraulics, pneumatics, emergency systems, and flight control.
Journal ArticleDOI
A complete analysis of axial piston pump leakage and output flow ripples
TL;DR: In this article, the authors focused on understanding the flow losses and the resulting flow/pressure dynamics in a piston pump, and presented equations to evaluate leakages in all piston pump gaps and tested against numerical models to determine the general pressure/flow pump dynamic characteristics.
Journal ArticleDOI
Computer Aided Optimization of Bearing and Sealing Gaps in Hydrostatic Machines—The Simulation Tool Caspar
TL;DR: In this paper, the simulation tool CASPAR is used to calculate the gap flow through the lubricating gaps of axial piston machines, which allows the calculation of the main losses generated in the machine due to viscous friction and gap flow.
Related Papers (5)
Review on signal-by-wire and power-by-wire actuation for more electric aircraft
The MEA Evolution in Commercial Aircraft and the Consequences for Initial Aircraft Design
Ravinka Seresinhe,Craig Lawson +1 more