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浏览/检索结果: 共21条，第1-10条 帮助 限定条件 发表日期：2020    专题：兰州理工大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Research on remaining useful life prediction and life extension of control system with implicit degradation of actuators 期刊论文 Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition), 2020, 卷号: 48, 期号: 12, 页码: 20-26 作者:  Li, Wei;  Wang, Chengwen 收藏  |  浏览/下载：16/0  |  提交时间：2022/02/17 Actuators  Adaptive control systems  Degradation  Digital storage  Economic and social effects  Forecasting  Life cycle  Measurement errors  Real time systems  Water tanks  Control system performance  Degradation failure  Life extension control  Linear quadratic regulator controllers  Remaining useful life predictions  Residual life prediction  Steady state performance  Uncertain measurements   Study on Aerodynamic Noise Numerical Simulation and Characteristics of Safety Valve Based on Dipole and Quadrupole 期刊论文 Acoustics Australia, 2020, 卷号: 48, 期号: 3, 页码: 441-454 作者:  Li, Shuxun;  Hou, Jianjun;  Pan, Weiliang;  Wang, Zhihui;  Kang, Yunxing 收藏  |  浏览/下载：8/0  |  提交时间：2022/02/17 Acoustic fields  Acoustic generators  Acoustic variables measurement  Acoustic wave transmission  Aerodynamics  Forecasting  Numerical methods  Numerical models  Safety valves  Turbulence  Aerodynamic noise  Different operating conditions  Exhaust pressure  Numerical simulation method  Prediction accuracy  Sound pressure level  Steady-state flow field  Unsteady disturbance   LQR control of parallel robot based on genetic algorithms 期刊论文 Zhendong yu Chongji/Journal of Vibration and Shock, 2020, 卷号: 39, 期号: 20, 页码: 82-90 and 96 作者:  Wang, Linjun;  Shi, Baozhou;  Zhang, Dong;  Ding, Shihao;  Liu, Jianming 收藏  |  浏览/下载：8/0  |  提交时间：2022/02/17 Degrees of freedom (mechanics)  Linear control systems  Mechanisms  Robots  Transfer matrix method  Kinetics performance  Maximum acceleration  Maximum control force  Maximum displacement  Optimal control methods  Rigid-flexible coupled  Strong nonlinearity  Three degree of freedoms   Fatigue crack growth behavior of 7050 aluminum alloy friction stir welded joint 期刊论文 Hanjie Xuebao/Transactions of the China Welding Institution, 2020, 卷号: 41, 期号: 10, 页码: 11-16 作者:  Jin, Yuhua;  Zhang, Lin;  Zhang, Liangliang;  Wang, Xijing 收藏  |  浏览/下载：14/0  |  提交时间：2022/02/17 Aluminum alloys  Cracks  Fatigue crack propagation  Friction  Friction stir welding  Growth rate  Textures  Welds  7050 aluminum alloy  Fatigue crack growth behavior  Fatigue striations  Fracture surfaces  Friction stir welded joints  Friction stir welding joints  Steady-state propagation  Thermomechanically affected zones   Effect of loading methods on the fatigue properties of dissimilar al/steel keyhole-free FSSW joints 期刊论文 Materials, 2020, 卷号: 13, 期号: 19 作者:  Zhang, Zhongke;  Yu, Yang;  Zhao, Huaxia;  Tong, Hui 收藏  |  浏览/下载：14/0  |  提交时间：2020/11/14 Fracture  Friction stir welding  Spot welding  Stress analysis  Welds  Absorption energies  Ductile and brittle fractures  Fatigue properties  Fatigue striations  Fracture mechanisms  Friction stir spot welding  Loading frequencies  Spot-welded joints   Effect of loading methods on the fatigue properties of dissimilar al/steel keyhole-free FSSW joints 会议论文 作者:  Zhang, Zhongke;  Yu, Yang;  Zhao, Huaxia;  Tong, Hui 收藏  |  浏览/下载：2/0  |  提交时间：2020/12/18 Fracture  Friction stir welding  Spot welding  Stress analysis  WeldsAbsorption energies  Ductile and brittle fractures  Fatigue properties  Fatigue striations  Fracture mechanisms  Friction stir spot welding  Loading frequencies  Spot-welded joints   Effect of Loading Methods on the Fatigue Properties of Dissimilar Al/Steel Keyhole-Free FSSW Joints 期刊论文 MATERIALS, 2020, 卷号: 13, 期号: 19 作者:  Zhang, Zhongke;  Yu, Yang;  Zhao, Huaxia;  Tong, Hui 收藏  |  浏览/下载：15/0  |  提交时间：2022/03/01 FSSW  dissimilar metals  fatigue properties  fracture  hysteresis loop   Transient Gas-liquid Flow in Helical Axial Pump Diffuser and Its DMD Analysis 期刊论文 Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery, 2020, 卷号: 51, 期号: 9, 页码: 118-126 作者:  Zhang, Renhui;  Wang, Shaohua;  Osman, Juma S A 收藏  |  浏览/下载：11/0  |  提交时间：2020/11/14 Axial flow  Decomposition  Diffusers (fluid)  Flow fields  Modal analysis  Pumps  Stators  Velocity  Characteristics of flow fields  Flow field distribution  Gas  liquid two-phase flows  Rotor-stator interactions  Steady state characteristics  Steady-state flow field  Transient flow characteristics  Unsteady characteristics   Cavitation control of centrifugal pump based on gap jet principle 期刊论文 Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science), 2020, 卷号: 54, 期号: 9, 页码: 1785-1794 作者:  Zhao, Wei-guo;  Lu, Jia-jia;  Zhao, Fu-rong 收藏  |  浏览/下载：11/0  |  提交时间：2020/11/14 Centrifugal pumps  High pressure effects  Impellers  Numerical methods  Turbulence models  Calculation results  Cavitation control  Flow field structure  High-pressure fluids  K-Omega turbulence model  Low specific speed centrifugal pump  Numerical simulation method  Suppression effects   Aeolian Creep Transport: Theory and Experiment 期刊论文 Geophysical Research Letters, 2020, 卷号: 47, 期号: 15 作者:  Wang, Peng;  Zhang, Jie;  Dun, Hongchao;  Herrmann, Hans J.;  Huang, Ning 收藏  |  浏览/下载：7/0  |  提交时间：2020/11/14 Wind tunnels  Analytic expressions  Geophysical phenomena  Layer thickness  Power-scaling  Quantitative prediction  Steady state  Transport rate  Wind tunnel experiment