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    1.
    发明专利
    未知

    公开(公告)号：DE60322223D1

    公开(公告)日：2008-08-28

    申请号：DE60322223

    申请日：2003-10-16

    Applicant: ST MICROELECTRONICS SRL

    Inventor： DI COLA EUSEBIO ,  RIVOLI FEDERICO ,  TICLI SALVATORE LUCIO ,  MARTORANA ROSARIO

    IPC: G06N7/04

    Abstract: In a process for performing fuzzy procedures in processing devices, of the type which provides for calculating a degree of activation ( alpha , alpha ') of a fuzzy proposition represented by input values (x), having a fuzzy set associated to a triangular or trapezoidal membership function (M,Ml,Mr,Mb,Me,T), said triangular or trapezoidal membership function (M,Ml,Mr,Mb,Me,T) being defined by a definition range (l0,r0;l1,r1) of said input values (x) and an abscissa of the maximum value (c0) assumed by said membership function (M,Ml,Mr,Mb,Me,T), there is provided storing solve values (l,c,r) corresponding to said range of definition (l0,r0;l1,r1) and to said abscissa of the maximum value (c0) and calculating said degree of activation ( alpha , alpha ') as a function of said solve values (l,c,r) stored, said operation of storing solve values (l,c,r) comprising storage of the values measured on the abscissa (c0,l0,r0,c0r0, l0c0;r1,l1,c0r1, l1c0) and further comprising storage of at least one value (y1,yr) measured on the ordinate and corresponding to said membership function (M,Ml,Mr,Mb,Me,T), instead of at least one of said values measured on the abscissa (c0r1,l1c0), if at least one of said values (c0r1,l1c0) measured on the abscissa assumes an absolute value greater than a maximum representable value (n).

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