sandbox:maxon motor model: fix bug in conversion from rpm to rad/s

experimental_setup/sandbox/maxonRE50_model.m

@@ -40,7 +40,7 @@ function [T W Tg Wg] = maxonRE50_model (V, I, gear = [])
   dndM = 0.638; # Speed-Torque gradient [rpm/mNm].
 
   fT = (1/1e3);               # conversion factor mNm --> Nm
-  fW = (2*pi / 1) * (60 / 1); # conversion factor rpm --> rad/s
+  fW = (2*pi / 1) * (1 / 60); # conversion factor rpm --> rad/s
 
   # Results. 
   # See: https://www.maxonmotor.ch/medias/sys_master/8802918137886/maxon-Formelsammlung-de.pdf (German)
@@ -68,7 +68,7 @@ endfunction
 %! [T W] = maxonRE50_model (V, I);
 %!
 %! figure (1);
-%! plot (T * 1e3, W /2/pi/60, '-k','linewidth', 2);
+%! plot (T * 1e3, W /2/pi * 60, '-k','linewidth', 2);
 %! grid on
 %! axis tight
 %! xlabel ("Torque M [mNm]")
@@ -82,7 +82,7 @@ endfunction
 %! gear_GP52 = struct ('ratio', 4.3, 'efficiency', 0.91);
 %! [T W Tg Wg] = maxonRE50_model (V, I, gear_GP52);
 %! figure (1);
-%! plot (Tg * 1e3, Wg /2/pi/60, '-k','linewidth', 2);
+%! plot (Tg * 1e3, Wg /2/pi * 60, '-k','linewidth', 2);
 %! grid on
 %! axis tight
 %! xlabel ("Torque M [mNm]")