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Proceedings of 2011 International Conference on Fluid Power and Mechatronics最新文献

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Flux distribution and back-iron influence of tubular linear motors 管状直线电机磁链分布及背铁影响
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045890
Liang Yan, Jie Hu, Zongxia Jiao, I. Chen, C. K. Lim
{"title":"Flux distribution and back-iron influence of tubular linear motors","authors":"Liang Yan, Jie Hu, Zongxia Jiao, I. Chen, C. K. Lim","doi":"10.1109/FPM.2011.6045890","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045890","url":null,"abstract":"Ferromagnetic material affects the magnetic field of electromagnetic actuators significantly. This paper studies the effect of back iron on magnetic field of linear motors. Designs of linear motors with single-sided, double-sided, and without back irons are analyzed quantitatively. The magnetic field for different structures is formulated analytically based on magnetic vector potential. The simulation result is compared with numerical result from finite element calculation. It shows that the analytical model fits with numerical result closely, and the use of back iron helps to enhance the magnetic field of linear motors.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130156241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Research on the reliability of sliding bearing support in a swash-plate type axial piston water hydraulic pump 斜盘式轴向柱塞水压泵滑动轴承支座可靠性研究
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045773
F. Yin, S. Nie, J. Ruan
{"title":"Research on the reliability of sliding bearing support in a swash-plate type axial piston water hydraulic pump","authors":"F. Yin, S. Nie, J. Ruan","doi":"10.1109/FPM.2011.6045773","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045773","url":null,"abstract":"In this paper, two kinds of different sliding bearing support structure including a traditional cross-shaft and a semi-shaft are designed for a water hydraulic pump. The characteristics of the two sliding bearings in each structure are calculated. By comparison, it is found that the working conditions of the two sliding bearings, especially the pv value, in the semi-shaft support structure are near to be identical in the cross-shaft one, which will be helpful to prolong their service life. Based on the Stress-strength interference theory, a reliability calculation model of the friction pair between the shaft and sliding bearings is proposed. The analysis results indicate that the semi-shaft sliding bearing support is beneficial to largely raise the inherent reliability of the water hydraulic pump as well as the service life of the pump.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129084997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
The experimental research of the influence of accumulator to mill control precision 蓄能器对磨机控制精度影响的实验研究
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045733
Yiqun Wang, C. Jin, Zhen Luo, Chunming Chen
{"title":"The experimental research of the influence of accumulator to mill control precision","authors":"Yiqun Wang, C. Jin, Zhen Luo, Chunming Chen","doi":"10.1109/FPM.2011.6045733","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045733","url":null,"abstract":"Oil source made up of constant pressure variable displacement pump, accumulator, and pipeline is widely used to provide stable pressure for electro-hydraulic control system in practical engineering. Based on the experiment, the relationship between pressure & volume of the accumulator at inlet of the valve and control precision is analyzed in detail, and coupling rules between the load variation and the pressure ripple of oil-source are obtained. Coupling rules can give reference for selecting pressure & volume of the accumulator according to the requirement of system control precision, which can further improve control precision and product quality by optimizing equipment parameters.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131975247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The design of hydraulic virtual roaming system based on virtual reality technology 基于虚拟现实技术的液压虚拟漫游系统设计
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045865
T. Cheng, Zhang Jian, Guo Hua-ping, Xu Xiao-tao
{"title":"The design of hydraulic virtual roaming system based on virtual reality technology","authors":"T. Cheng, Zhang Jian, Guo Hua-ping, Xu Xiao-tao","doi":"10.1109/FPM.2011.6045865","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045865","url":null,"abstract":"This article introduces the technical features of virtual reality and studies the basic ideas and methods of designing equipment virtual roaming system of hydraulic based on 3D Studio MAX and VR-Platform. Teaching practice proved significant effect of the system application, improved hydraulic training effect and shortened the training cycle, there is great value and promotional value.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132315525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nonlinear control of aircraft on ground runway keeping 飞机地面跑道保持的非线性控制
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045829
Bihua Chen, Zongxia Jiao, S. Ge
{"title":"Nonlinear control of aircraft on ground runway keeping","authors":"Bihua Chen, Zongxia Jiao, S. Ge","doi":"10.1109/FPM.2011.6045829","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045829","url":null,"abstract":"This paper addresses the aircraft on ground runway keeping problem. A nonlinear model of the aircraft on ground is derived which explicitly combines the kinematic constraints and dynamic model. The proposed model considers the kinematic constraints of nose wheel cornering and the tyre side-slip effects, as well as the aerodynamic forces and moments. We focus on the task that the aircraft is required to follow the runway and avoid runway departure by nose wheel steering. Nonlinear control is designed to keep the aircraft approach the runway centerline while lateral deviation is detected. Simulation results clearly demonstrate the advantages and effectiveness of the proposed method.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127859504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Application of hybrid method to the influence of bearing number on elliptic gas bearing system 应用混合方法研究轴承数对椭圆气体轴承系统的影响
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045750
Cheng-Chi Wang, Shin-Yong Chen, M. Jang, T. Liao
{"title":"Application of hybrid method to the influence of bearing number on elliptic gas bearing system","authors":"Cheng-Chi Wang, Shin-Yong Chen, M. Jang, T. Liao","doi":"10.1109/FPM.2011.6045750","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045750","url":null,"abstract":"This paper employs a hybrid numerical method combining the differential transformation method (DTM) and the finite difference method (FDM) to analyze the nonlinear dynamic behavior of a rigid rotor supported by an elliptic gas bearing system (EGBS). The results obtained for the orbits of the rotor center are in good agreement with those obtained using the traditional FDM approach. Moreover, the results presented summarize the changes which take place in the dynamic behavior of the EGBS as the bearing number are increased over the range 2.0 ∼ 5.0, and therefore provide a useful insight into the nonlinear dynamics of the bearing system.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"451 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131735117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of a power amplifer with energy recovery strategy for piezoelectric actuators 基于能量回收策略的压电致动器功率放大器设计
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045758
Huisheng Liang, Zongxia Jiao, Rui Zhang, Xutian Wang, Xiaoxu Liu
{"title":"Design of a power amplifer with energy recovery strategy for piezoelectric actuators","authors":"Huisheng Liang, Zongxia Jiao, Rui Zhang, Xutian Wang, Xiaoxu Liu","doi":"10.1109/FPM.2011.6045758","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045758","url":null,"abstract":"This paper presents an analog voltage power amplifier with energy recovery strategy to drive piezoelectric actuators which are for a new piezoelectric servo pump. The whole power amplifier is consisted of the direct current power supply, linear amplifier circuit, and energy recovery circuit, utilizing voltage negative feedback concept to magnify low input voltage into high output voltage. And, the use of the energy recovery circuit makes the whole power amplifier possess higher efficiency and less power supply energy. The simulation results of the whole power amplifier indicates that the power amplifier designed could excellently accomplish the magnification to the input signal, linearly and steadily with relatively high accuracy. In additon, based on the theory calculation and simulation to energy recovery circuit, it can be concluded that the power amplifier with energy recovery circuit could reduce the power-loss by about 50%, and simultaneously could need only an half of power supply energy to drive the actuator, compared with the power amplifier without energy recovery circuit.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"35 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121326804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
A novel analysis method for proportional solenoid magnetic circuit 一种新的比例电磁线路分析方法
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045780
Xu Xiao-qing, Quan Long
{"title":"A novel analysis method for proportional solenoid magnetic circuit","authors":"Xu Xiao-qing, Quan Long","doi":"10.1109/FPM.2011.6045780","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045780","url":null,"abstract":"To improve the efficiency of proportional solenoid analysis, a novel analysis method for complex magnetic circuit of proportional solenoid combining magnetic circuit analysis method with finite element method (FEM) is proposed. The FEM analysis results of proportional solenoid's complex magnetic circuit were fitted with algebraic equations. These equations were applied in simulation software which can directly use algebraic equations. The output characteristics of proportional solenoid were analyzed. With comparing the results of simulation software and FEM analysis software, it was proved that complex magnetic circuit can be quickly and accurately analyzed with this method.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121553346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Numerical simulation for three dimensional spray field of the wet skin-pass mill nozzle 湿式蒙皮轧机喷嘴三维喷射场的数值模拟
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045742
Qiao Haijun, Gao Dianrong, Xia Xiaolin
{"title":"Numerical simulation for three dimensional spray field of the wet skin-pass mill nozzle","authors":"Qiao Haijun, Gao Dianrong, Xia Xiaolin","doi":"10.1109/FPM.2011.6045742","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045742","url":null,"abstract":"Gas-liquid flow of the spray nozzle of the wet skin-pass mill is the key factor to ensure the process of wet skin-pass of cold-rolled strip steel. By the coupling of free interface tracking method — Volume of Fluid and the k-∊ turbulence model, the three-dimensional modeling and numerical analysis were made inside and outside the nozzle of a steel wet skin mill. The distribution characteristics of whole three-dimensional two-phase flow-field between the inlet of single, 15-degree tilt dual-nozzle and the surface of strip steel are obtained, which meet wet skin-pass requirements and provide key references for rational design of skin-pass mill nozzles and quality improvement of rolled steel.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122218134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-level optimization mission planning and control methods for unmanned aerial vehicle 无人机多级优化任务规划与控制方法
Proceedings of 2011 International Conference on Fluid Power and Mechatronics Pub Date : 2011-10-17 DOI: 10.1109/FPM.2011.6045778
Cai Zhihao, Y. Ruyi
{"title":"Multi-level optimization mission planning and control methods for unmanned aerial vehicle","authors":"Cai Zhihao, Y. Ruyi","doi":"10.1109/FPM.2011.6045778","DOIUrl":"https://doi.org/10.1109/FPM.2011.6045778","url":null,"abstract":"Autonomous mission planning system for unmanned aerial vehicle (UAV) has the ability to perform complex tasks, during the process of task execution. Due to their own and external conditions may change, Effective self-re-planning aircraft can adapt to these changing conditions in the uninterrupted implementation of the mission objectives. Mission planning is a complex problem. By gradual decomposition of a large target for a number of multi-level independent sub-goals, it can reduce the overall complexity, without losing the characteristics of the whole system. At the same time, the next-generation human-machine interface can increase the ability of UAV operator's assistant decision and control accuracy.","PeriodicalId":241423,"journal":{"name":"Proceedings of 2011 International Conference on Fluid Power and Mechatronics","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126050852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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