According to the practical problems in eddy current sorting,the method and technology of eddy current hardness sorting based on LeastSquaresSupportVectorMachine(LS-SVM)are proposed based on the Xilinx Artix-7 FPGA in ...According to the practical problems in eddy current sorting,the method and technology of eddy current hardness sorting based on LeastSquaresSupportVectorMachine(LS-SVM)are proposed based on the Xilinx Artix-7 FPGA in this paper.The calculated sorting-hyperplane and designed sorting decision-making machine were used to sort different hardness of the vavles.The experimental results of the vavle sorting show that the sorting success rate can reach 100%under conditions that the number of test vavles is one quarter of the training vavles.The method and technology based on LS-SVM can solve the problems that the impedance feature value is nonlinear with the hardness value and variable sorting interval.It also proved that the LS-SVM algorithm has strong practical value in online eddy current sorting.展开更多
基金supported by a project of the National Natural Science Foundation(No.51865004)the Guizhou Science and Technology Department(No.QKH20161081,No.QKH20192881)
文摘According to the practical problems in eddy current sorting,the method and technology of eddy current hardness sorting based on LeastSquaresSupportVectorMachine(LS-SVM)are proposed based on the Xilinx Artix-7 FPGA in this paper.The calculated sorting-hyperplane and designed sorting decision-making machine were used to sort different hardness of the vavles.The experimental results of the vavle sorting show that the sorting success rate can reach 100%under conditions that the number of test vavles is one quarter of the training vavles.The method and technology based on LS-SVM can solve the problems that the impedance feature value is nonlinear with the hardness value and variable sorting interval.It also proved that the LS-SVM algorithm has strong practical value in online eddy current sorting.
