getTime

 040406 RS.This function returns in qulitative terms the time for enemy to reach us
 It has valuse short and long. The degree of mebership is fuzzy and
 1>=sum(short,long)>=0
 scalefactor = is depending on type of enemy unit
 type of unit [0 = airborne ; 1 = groundforce]

0001 
0002 
0003 function [time_fuzzy] = getTime(cost, enemy, friendly_force) 
0004 
0005  % 040406 RS.This function returns in qulitative terms the time for enemy to reach us
0006  % It has valuse short and long. The degree of mebership is fuzzy and
0007  % 1>=sum(short,long)>=0
0008  % scalefactor = is depending on type of enemy unit
0009  % type of unit [0 = airborne ; 1 = groundforce]
0010  
0011  short = 0.5;
0012  long = 0.5;
0013  time = cost;
0014  %alt. time = cost*scalefactor
0015  %We create fuzzy f:on with critical values b,c
0016  c = 100;
0017  b = 50; 
0018  if time > c 
0019      short = 0;
0020  end;
0021  if (time >= b)&&(time <= c)
0022      short = (c - time)/(c-b);
0023  end;
0024  if (time < b) 
0025      short = 1;
0026  end;
0027  long = 1 - short;
0028  time_fuzzy = [short long];
0029  
0030  
0031  
0032