CAJ | 학술논문

如何根据汽轮机叶片型面模型的理论数据点及测量路径约束条件，准确获取实际测头位置是叶片型面测量的关键所在。在已知汽轮机叶片型面模型设计型线理论点的情况下，提出了采用闭合B样条插值法求叶片型面理论曲线，并采用拟追赶法反求B样条插值曲线控制顶点的基于闭合B样条插值的汽轮机叶片测量路径规划模型及其相应算法。数据表明，测量路径符合叶片曲率变化，且路径变化在景深范围内，可以很好地满足高精度叶片型面的测量要求。
여하근거기륜궤협편형면모형적이론수거점급측량로경약속조건，준학획취실제측두위치시협편형면측량적관건소재。재이지기륜궤협편형면모형설계형선이론점적정황하，제출료채용폐합B양조삽치법구협편형면이론곡선，병채용의추간법반구B양조삽치곡선공제정점적기우폐합B양조삽치적기륜궤협편측량로경규화모형급기상응산법。수거표명，측량로경부합협편곡솔변화，차로경변화재경심범위내，가이흔호지만족고정도협편형면적측량요구。
To obtain the actual location of measuring head accurately is the key to measure of the blade sur‐face according to the constraints and the data points of model for the steam turbine blade surface .It this case , the path planning and algorithm of the steam turbine blade surface measurement are designed and implemented based on closed B-spline interpolation .T he theoretical curve of the blade surface is acquired by using the closed B-spline interpolation and control vertices for B -spline interpolation curve is acquired by Quasi -chasing method .Data indicated that the measuring path and variation for the blade surface curvature are in accord and meet the requirements of high precise measuring for the blade surface .