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turbine blade
    The Computer Adied Measuring System for Turbine Blade
    水轮机叶片计算机辅助测量系统
    The Influence on Precision of Shaping Technology for Hydraulic Turbine Blade
    水轮机叶片成型工艺对精度的影响
    Control of the Arc-welding Manipulator to Repair Hydraulic Turbine Blade
    水轮机叶片修复用弧焊机械手的控制
    Stricture and control of arc-welding manipulator for repairing hydraulic turbine blade
    水轮机叶片修复用弧焊机械手及其控制
    Application of CAD/CAM in the Forming Technology for Hydraulic Turbine Blade
    CAD/CAM在水轮机叶片热模压成型工艺中的应用
    FINITE ELEMENT ANALYSIS OF STIFFNESS AND STRENGTH FOR AXIAL-FLOW HYDRAULIC TURBINE BLADE
    轴流式水轮机叶片刚度和强度有限元分析
    Manufacturing Technology of Free-Form Surface of Turbine Blade Based on RPM
    基于RPM的水轮机叶片复杂曲面制造技术
    Cavitation Erosion Analysis of Hydraulic Turbine Blade
    水轮机叶片汽蚀损伤的分析
    Recognition of Dynamic Parameter of Hydraulic Turbine Blade Based on Time Series Analysis
    基于时间序列分析的水轮机叶片动态参数识别技术研究
    TRAJECTORY CONTROL OF THE ARC-WELDING MANIPULATOR FOR REPAIRING HYDRAULIC TURBINE BLADE
    水轮机叶片修复用电弧焊机械手的轨迹控制
    ANALYSE FOR THE FRACTURE OF HYDRAULIC TURBINE BLADE
    水轮机叶片断裂分析
    Technology of 5-axis NC Machining of Large Francis Turbine Blade
    大型混流式水轮机叶片五轴联动数控加工技术
    Application of HVOF Spray Anti-sediment-erosion Coating to Hyrro Turbine Blade of Shapotou Water-power Plant
    沙坡头电厂水轮机叶片超音速喷涂耐泥沙磨蚀技术
    Modeling and Analysis of a Francis Turbine Blade
    混流式水轮机叶片建模与分析
    Numerical realization of Francis turbine blade design and wooden patterns
    混流式水轮机叶片设计与木模图的数值实现
    MOBILE PLATFORM FOR HYDRAULIC TURBINE BLADE REPAIR ROBOT
    水轮机叶片修复机器人的移动平台
    Secondly, it realized the whole structure of Francis turbine blade surface.
    第二,首次实现混流式水轮机叶片曲面的整体造型。
    It realized anticipated goals of the application of turbine blade and engineering exercises. Thus, it provide the foundation to the reconstruct and optimize design of turbine blade as well as the CAM of turbine blade.
    算例结果表明,上述方法不仅可精确拟合混流式、轴流式水轮机转轮叶片,而且还能对叶片进行求交、延展运算并控制精度,实现了Nurbs曲面造型技术应用于水轮机叶片设计和工程实际的预期目标,为水轮机叶片的改型设计和优化设计、水轮机叶片的计算机辅助制造打下了基础。
    Meanwhile, the entropyspectrum analysis of vibration signal was made to check the results of parameterrecognition and to analyze the crack reason of turbine blade. The main works arefollowed:
    同时,利用最大熵谱技术对水轮机叶片振动信号进行分析处理,为叶片动态参数识别和裂纹故障原因分析提供更好的参考依据。
    2. A special program for time series analysis was developed to recognize thedynamic parameter of the turbine blade. The natural frequency and damped ratio wascalculated and the results were analyzed.
    2、开发时间序列建模和分析专用程序,利用实测应变和振动数据计算识别水轮机叶片各阶模态固有频率和阻尼比,对分析结果进行分析。
 

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