ELECTRONIC CONTROL UNIT HAVING CURVE DATA IN POLAR COORDINATE SYSTEM

摘要

The invention in general relates to an Electronic Control Unit having Curve data in Polar coordinate system in which the data processing method is performed for facilitating data storage of definite number of axis points, of plurality of curves, comprising capturing input signals with plurality of signal capturing devices, converting said set of signals to corresponding set of Caiiesian values represented by (x, y), wherein x and yare numerals, further converting the set of Cartesian values into corresponding set of polar values represented by (r, Ө), wherein the angle range is 0 ≤ 0 ≤ 2π, the value of x = r cosӨ, y = r sinӨ, r = √x2 + y2 and tanӨ = y/x, and storing said set of polar values represented by plurality of sets of (r,Ө) wherein the plurality of values of Ө represented by Ө1, Ө2and so on, is stored in consecutive sequence of bytes such that first byte and first half of second byte will hold the value of Ө1, second half of second byte and the third byte will hold the value of Ө2 and so on, such that each of the e value is stored in one and half byte of the memory means of an ECU.