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IMAGE SENSING AND INTELLIGENT CONTROL OF DEPOSIT DIMENSIONS IN SPRAY FORMING

机译:喷雾成型沉积物尺寸的图像传感与智能控制

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Near net shape manufacturing is one of the major advantages of spray forming process. To improve the dimensional precision of a deposit, real time monitoring and on-line controlling of the deposit dimensions in spray forming have been carried out in this study. The deposit images were captured by using a CCD sensing system. An image processing algorithm has been developed to determine the deposit dimensions based on a new edge detection operator, Sobel-Zernike moments operator. It has been shown that the running time of the image processing is short and the average relative error is small, meeting the requirements for the on-line control of deposit dimensions. A fuzzy controller has been established based on intelligent control theory. Fuzzy control rules were identified to design the fuzzy controller. The experiment results showed that the fuzzy controller has satisfactory control performance for characteristic deposit dimensions.
机译:近净形状制造是喷雾成型过程的主要优点之一。为了提高沉积物的尺寸精度,在本研究中已经在进行喷雾成型中的实时监测和在线控制喷雾成形中的沉积物尺寸。通过使用CCD传感系统捕获存款图像。已经开发了一种图像处理算法来基于新的边缘检测操作员Sobel-Zernike Moments操作员确定存款尺寸。已经表明,图像处理的运行时间短,平均相对误差小,满足存款尺寸的在线控制的要求。基于智能控制理论建立了模糊控制器。识别模糊控制规则以设计模糊控制器。实验结果表明,模糊控制器对特性沉积物尺寸具有令人满意的控制性能。

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