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Distributed monitoring and diagnosis system for hydraulic system of construction machinery

Xiaohu CHEN, Wenfeng WU, Hangong WANG, Yongtao ZHOU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 106-110 doi: 10.1007/s11465-009-0089-7

Abstract: This paper mainly presents a distributed monitoring and diagnosis system for the hydraulic system ofThe hardware of the distributed condition monitoring and fault diagnosis system is designed.experiments and applications indicate that the distributed condition monitoring and fault diagnosis systemeffectively realize its function of real-time online condition monitoring and fault diagnosis for the hydraulicsystem of construction machinery.

Keywords: construction machinery     hydraulic system     distributed condition monitoring     controller area net (CAN) field    

Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 377-382 doi: 10.1007/s11465-011-0226-y

Abstract:

Hydraulic thrust system is an important system in a shield tunneling machine.Pressure regulation of thrust cylinders is the most important function for thrust system during tunnelIn this paper, a hydraulic thrust system is explained, and a corresponding simulation model is carriedout in order to study the system characteristics.may have a greater effect on pressure regulation and oil supply flow rate should be adaptive to the system

Keywords: tunnel     hydraulic thrust system     pressure regulation     simulation    

Review of fluid and control technology of hydraulic wind turbines

Maolin CAI, Yixuan WANG, Zongxia JIAO, Yan SHI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 312-320 doi: 10.1007/s11465-017-0433-2

Abstract:

This study examines the development of the fluid and control technology of hydraulic wind turbinesThe current state of hydraulic wind turbines as a new technology is described, and its basic fluid modelFinally, the advantages of hydraulic wind turbines are enumerated.Hydraulic wind turbines are expected to become the main development direction of wind turbines.

Keywords: wind turbine     hydraulic system     fluid model     control technology    

Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 73-75

Abstract:

This article applies basic formula to the calculation of a relationship between the hydraulic pressureextremes ratio of hydraulic system and the extremes ratio efficiencies.This relationship shows that the greater the hydraulic pressure extremes ratio is, the lower the extremesThe article holds that the hydraulic pressure extremes ratio can be designed and chosen.

Keywords: hydraulic pressure extremes ratio     extremes ratio efficiencies     hydraulic system    

Model-based nonlinear control of hydraulic servo systems: Challenges, developments and perspectives

Jianyong YAO

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 179-210 doi: 10.1007/s11465-018-0464-3

Abstract:

Hydraulic servo system plays a significant role in industries, and usually acts as a core point inlinear theory-based control methods have been well established, advanced controller design methods for hydraulicservo system to achieve high performance is still an unending pursuit along with the development ofsystem.servo systems are presented: Modelling uncertainty in hydraulic system is a major challenge, which includes

Keywords: hydraulic servo system     adaptive control     robust control     nonlinear friction     disturbance compensation     repetitive    

Characters of Future Aircraft Hydraulic System

Wang Zhanlin,Chen Bin

Strategic Study of CAE 1999, Volume 1, Issue 3,   Pages 5-10

Abstract: servo system, so it is widely used in aerospace.system.In this paper, main developmental trend of airborne hydraulic system, especially for military aircraftsystem.Especially, high-pressure, variable pressure hydraulic intelligent pump source system is very important

Keywords: airborne hydraulic systems     high-pressure     variable pressure     redundancy     power-by-wire    

Recent developments in passive interconnected vehicle suspension

Wade A. SMITH, Nong ZHANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 1-18 doi: 10.1007/s11465-009-0092-z

Abstract: It points out that there is a need for system optimisation, and there are troublesome NVH issues thatIt suggests that further research attention and effort be paid to NVH issues and system level optimisation

Keywords: interconnected suspensions     rollover prevention     vehicle dynamics     ride comfort     multibody system dynamics     hydraulic system dynamics    

The Research of the Working Parameter Adjustment Principle and Control Strategy on Hydraulic Impact Machine

Liu Zhong,,Chu Fulei,Long Guojian,Liao Yongzhong

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 73-77

Abstract:

This paper analyses the working parameter adjustment methods for hydraulic impact machine at homeA hydraulic impact machine which is controlled by computer on the basis of this study is designed.

Keywords: hydraulic impact machine     continual adjust     working parameter     control system    

Decision Support System for emergency scheduling of raw water supply systems with multiple sources

Qi WANG, Shuming LIU, Wenjun LIU, Zoran KAPELAN, Dragan SAVIC

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 777-786 doi: 10.1007/s11783-013-0537-9

Abstract: A hydraulic model-based emergency scheduling Decision Support System (DSS) is designed to eliminate theThe DSS consists of four functional modules, including water quality prediction, system safety assessmentNext, a comprehensive evaluation on the safety of the current system is conducted using the outputs inThis will assist in the assessment of whether the system is in danger of failure, taking both the impactof pollution and system capacity into account.

Keywords: decision support system     raw water supply system     contamination incident     emergency scheduling     hydraulic    

Research on control strategy of real-time testing system for hydraulic cylinder

Gong Jin,Tan Qing,Zhao Yuming,Heng Baoli

Strategic Study of CAE 2011, Volume 13, Issue 3,   Pages 71-76

Abstract:

Aiming at the disadvantage of traditional hydraulic cylinder testingsystem, such as old measure, low detection precision, etc.modularize the tested property and organically combine tested properties of cylinder together during hydraulicThe new real-time testing system made use of the technic of PLC(programmable logic controller), CoDeSysThe test results indicated that the real-time testing system made hydraulic cylinder properties be inspected

Keywords: hydraulic cylinder     real-time testing     modularization     control strategy    

Development of the Special Missile Equipment and Simulation Training System

Huang Xianxiang,Xie Jian,Gao Qinhe

Strategic Study of CAE 2001, Volume 3, Issue 2,   Pages 65-70

Abstract: in many subjects are adopted synthetically in the Special Missile Equipment and Simulation Training Systemmodels are built, about one hundred apparatus are manufactured, and the simulation of the whole weapon systemIn this paper, the composition, function and the brief scheme of the system are presented briefly.Main technical problems in the design of the large and highly credible hydraulic system, the realizationprecision orientation, and the electromagnetic compatibility design in the large and complex electric system

Keywords: missile     simulation training     hydraulic system     subdivision control     electromagnetic compatibility    

Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0706-2

Abstract: consumption, execution time, and excavation volume as the objective functions is presented for the electro-hydraulic

Keywords: trajectory planning     electro-hydraulic shovel     cubic polynomial S-curve     multiobjective optimization    

Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 127-138 doi: 10.1007/s11708-020-0661-8

Abstract: This paper investigated effects of slip length and hydraulic diameter on the hydraulic entrance lengthIt is found that superhydrophobic microchannels have a longer hydraulic entrance length than that ofThe dimensionless hydraulic entrance length slightly increases with the increasing slip length at approximatelyRe<10, and does not vary with the hydraulic diameter.

Keywords: laminar flow     hydraulic entrance length     super hydrophobic surface     slip length     hydraulic diameter    

Development of network schedule standardization system in hydraulic and hydropower engineering

Wang Renchao,Pan Feifei,Li Shiqi,Chen Jianyou

Strategic Study of CAE 2015, Volume 17, Issue 1,   Pages 129-136

Abstract:

Network schedule is an important part in construction organization and design in hydraulic and hydropowerBased on analysis of connotation of network standardization in hydraulic and hydropower engineering,discussed the basic content of the network schedule standardization, developed the standardization systemof network schedule in hydraulic and hydropower engineering, and introduced functions as network scheduleThe system interface is friendly and intuitive visualization, and provides powerful computing and optimization

Keywords: hydraulic and hydropower engineering; network schedule; standardization; SHAPS    

Modelling the thresholds of nitrogen/phosphorus concentration and hydraulic retention time for bloom

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1564-1

Abstract:

● A new model for bloom control in open land scape water was constructed.

Keywords: Reclaimed water landscape     Algal bloom     Nitrogen and phosphorus     Hydraulic retention time     Threshold    

Title Author Date Type Operation

Distributed monitoring and diagnosis system for hydraulic system of construction machinery

Xiaohu CHEN, Wenfeng WU, Hangong WANG, Yongtao ZHOU,

Journal Article

Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Journal Article

Review of fluid and control technology of hydraulic wind turbines

Maolin CAI, Yixuan WANG, Zongxia JIAO, Yan SHI

Journal Article

Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Journal Article

Model-based nonlinear control of hydraulic servo systems: Challenges, developments and perspectives

Jianyong YAO

Journal Article

Characters of Future Aircraft Hydraulic System

Wang Zhanlin,Chen Bin

Journal Article

Recent developments in passive interconnected vehicle suspension

Wade A. SMITH, Nong ZHANG,

Journal Article

The Research of the Working Parameter Adjustment Principle and Control Strategy on Hydraulic Impact Machine

Liu Zhong,,Chu Fulei,Long Guojian,Liao Yongzhong

Journal Article

Decision Support System for emergency scheduling of raw water supply systems with multiple sources

Qi WANG, Shuming LIU, Wenjun LIU, Zoran KAPELAN, Dragan SAVIC

Journal Article

Research on control strategy of real-time testing system for hydraulic cylinder

Gong Jin,Tan Qing,Zhao Yuming,Heng Baoli

Journal Article

Development of the Special Missile Equipment and Simulation Training System

Huang Xianxiang,Xie Jian,Gao Qinhe

Journal Article

Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Journal Article

Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Journal Article

Development of network schedule standardization system in hydraulic and hydropower engineering

Wang Renchao,Pan Feifei,Li Shiqi,Chen Jianyou

Journal Article

Modelling the thresholds of nitrogen/phosphorus concentration and hydraulic retention time for bloom

Journal Article