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Modes of failure in zonal hydraulics for construction machinery [PDF]

open access: possible2018 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus), 2018
This paper discusses possible failure modes in zonal hydraulics for construction machinery. The “zonal” or “decentralized” hydraulics is one of the methods first introduced in the aerospace industry and utilized for hybridization of construction machinery.
Heikkinen, Jani E.   +3 more
openaire   +1 more source

On the hydrodynamics of hydraulic machinery and flow control

Journal of Hydrodynamics, 2017
Abstract Hydraulic machinery mainly includes turbine and pump, which is closely related to national economy and people's livelihood involving aerospace industry, marine engineering, hydropower engineering, petroleum industry, chemical industry, mining industry, biomedical engineering, environmental engineering, agricultural water-soil engineering ...
Bing Zhu   +8 more
openaire   +2 more sources

Fault Diagnosis of Highway Machinery Hydraulic System Based on LS-TF

IEEE Transactions on Instrumentation and Measurement
Fault diagnosis of hydraulic system is of great significance to reduce the risk of damage to road machinery and improve construction safety. The hydraulic system of highway machinery has the characteristics of uncertainty, nonlinearity, and time-varying,
Maocan Wang   +5 more
semanticscholar   +1 more source

Neural network-enhanced internal leakage analysis for efficient fault detection in heavy machinery hydraulic actuator cylinders

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
This work presents a method for detecting internal leakage faults in hydraulic actuator cylinders using signal analysis and a supervised artificial neural network classifier. An artificial leakage is introduced into the hydraulic cylinder actuator, and a
Gyan Wrat   +4 more
semanticscholar   +1 more source

A review on integral evolution of electro-hydraulic actuation in three momentous domains: aerospace, engineering machinery, and robotics

Other Conferences
The valve-controlled and pump-controlled hydraulic technology are both extensively used in hydraulic equipment nowadays, but the valve-controlled hydraulic technology has obvious shortcomings such as the lower power utilization rate due to the inevitable
Zengguang Liu   +5 more
semanticscholar   +1 more source

Towards Sustainability in Hydraulic Machinery Manufacturing by 3D Printing

Processes
Material wear, maintenance costs, performance, efficiency, and corrosion are some of the issues that turbomachinery impellers may encounter. The optimization of impellers through additive manufacturing (AM) has been the focus of extensive research ...
Abel Remache   +4 more
semanticscholar   +1 more source

Rapid Prototyping of Hydraulic Machinery

1996
The paper presents a philosophy of ”Rapid Prototyping of Hydraulic Machinery” and describes the main tools for the efficient tailor-made design and optimization.
T. Aschenbrenner   +5 more
openaire   +2 more sources

Energy-saving technologies for construction machinery: a review of electro-hydraulic pump-valve coordinated system

Journal of Zhejiang University: Science A, 2020
With the rapid development of the global economy, more and more attention has been paid to the energy conservation of construction machinery. The hydraulic system is the key component of construction machinery, and improving its energy utilization rate ...
Zhe-ming Tong   +6 more
semanticscholar   +1 more source

Rotordynamic Simulation of Hydraulic Machinery

2013
The shaft stability of generating and pumping units plays a crucial role on the units’ operation: It directly affects the safe operation and also influences the life of units.
Shengcai Li   +4 more
openaire   +2 more sources

Mechanical and Magnetic Excitations in Hydraulic Machinery

2013
Mechanical analysis of hydraulic machinery includes two fields, structural dynamics and rotor dynamics. Structural dynamics is a subset that covers areas of structural behavior subjected to dynamic loading. Rotordynamics is a specialized branch of applied mechanics concerned with the behavior and diagnosis of rotating structures.
Hua-Shu Dou   +4 more
openaire   +2 more sources

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