Results 1 to 10 of about 297,222 (315)

Influence of Coil Current and Oil Film Thickness on Hopf Bifurcation of MLDSB

Energies, 2022
Magnetic-liquid double-suspension bearing (MLDSB) is composed of an electromagnetic supporting system and a hydrostatic supporting system. Due to its greater supporting capacity and stiffness, it is appropriate for middle-speed applications, overloading,
Jianhua Zhao, Hanwen Zhang, Jianlin Chen, Xiaochen Wu, Yongqiang Wang, Dianrong Gao, Yingna Liang   +6 more
doaj   +1 more source

Influence of Controller’s Parameters on Static Bifurcation of Magnetic-Liquid Double Suspension Bearing

Energies, 2021
Magnetic-Liquid Double Suspension Bearing (MLDSB) is composed of an electromagnetic supporting and a hydrostatic supporting system. Due to greater supporting capacity and static stiffness, it is appropriate for occasions of middle speed, overloading, and
Jianhua Zhao, Hanwen Zhang, Bo Qin, Yongqiang Wang, Xiaochen Wu, Fang Han, Guojun Du   +6 more
doaj   +1 more source

Decoupling Control of Multi-DOF Supporting System of MLDSB

Applied Sciences, 2021
Magnetic liquid double suspension bearing (MLDSB) is composed of an electromagnetic system and hydrostatic system and its bearing capacity and stiffness can be greatly improved.
Jianhua Zhao, Fang Han, Yongqiang Wang, Xuze Zhang, Guoji Zhang, Guojun Du   +5 more
doaj   +1 more source

Impact-Rubbings Dynamics Behavior of Magnetic-Liquid Double Suspension Bearing in Electromagnetic Failure Model

Applied Sciences, 2021
Magnetic-liquid double suspension bearing (MLDSB) is a new type of suspension bearing with electromagnetic suspension as the main part and hydrostatic supporting as the auxiliary part.
Jianhua Zhao, Lanchun Xing, Xuchao Ma, Yongqiang Wang, Dianrong Gao, Guojun Du   +5 more
doaj   +1 more source

Influence of Design Parameters on Static Bifurcation Behavior of Magnetic Liquid Double Suspension Bearing

International Journal of Aerospace Engineering, 2021
Magnetic liquid double suspension bearing (MLDSB) includes electromagnetic system and hydrostatic system, and the bearing capacity and stiffness can be greatly improved.
Jianhua Zhao, Xiaochen Wu, Fang Han, Xuchao Ma, Weidong Yan, Yingna Liang, Dianrong Gao, Guojun Du   +7 more
doaj   +1 more source

Command Transmission In Power Control Centers [PDF]

SPIE Proceedings, 1987
Se presenta un estudio sobre seguridad en la transmisión de comandos en sistemas complejos. El objetivo principal es garantizar tasas de error menores de los límites recomendados por las organizaciones internacionales, manteniendo la ocupación canal de comunicación lo más bajo posible.
Luque Rodríguez, Joaquín, Calvo Borrego, José Luis   +1 more
openaire   +3 more sources

Theoretical Model of Dynamic Bulk Modulus for Aerated Hydraulic Fluid

Chinese Journal of Mechanical Engineering, 2022
Existing models of bulk modulus for aerated hydraulic fluids primarily focus on the effects of pressure and air fraction, whereas the effect of temperature on bulk modulus is disregarded. Based on the lumped parameter method and the full cavitation model,
Xiaoming Yuan, Weiqi Wang, Xuan Zhu, Lijie Zhang   +3 more
doaj   +1 more source

A Mixed Lubrication Model for Predicting the Lubrication Performance Degradation Behavior of Slipper Pair in Early Wear Failure

IEEE Access, 2023
To reveal the lubrication performance degradation mechanism of the slipper pair in the high-pressure piston pump during early wear failure. The three-dimensional fractal function has been used to construct the surface morphology of the slipper, and ...
Siyuan Liu, Ziang Li, Wen Sun, Chao Ai, Weizhe Zhang, Yongqiang Zhang, Zilong Chen   +6 more
doaj   +1 more source

PMSM Wind Farm Aggregation Algorithm Based on Power Equivalence Principle

Frontiers in Energy Research, 2021
With the continuing increase of offshore wind farm power scale, it is urgent to propose a simplified wind farm model, which aggregates the entire wind farm into single or several aggregated wind turbine generators (WTGs), aiming to save computing ...
Haoshu Shao, Xu Cai, Heming Yan, Jiapei Zhou, Yao Qin, Zhixiang Zhang   +5 more
doaj   +1 more source

Research on Quasi-Synchronous Grid-Connected Control of Hydraulic Wind Turbine

IEEE Access, 2020
The hydraulic wind turbine(HWT) is taken as the research object. To realize the quasi-synchronized safe connection of the HWT, the mathematical model of the fixed displacement pump - variable motor is first established, and the multiplicative ...
Chao Ai, Guangling Zhou, Wei Gao, Jiawei Guo, Ge Jie, Zengrui Han, Xiangdong Kong   +6 more
doaj   +1 more source