MATLAB: How to form feedback loop to change input

feedbackifinput changeloop

if true
  % code
DrehzahlICE = 1000;
DrehzahlEMB = 1724
DrehzahlEMA = -258
DrehmomentAchsesoll= 324
DrehmomentICEmax=94
DrehmomentAchseist=DrehmomentICEmax*1.54*2.64
DrehmomentEMA = round(DrehmomentICEmax*0.53)
Drehmomentbrauch=DrehmomentAchsesoll-DrehmomentAchseist
LeistungEMA=(2*pi*DrehzahlEMA.*DrehmomentEMA)/60
LeistungEMB=-LeistungEMA;
DrehmomentEMB=(LeistungEMB*60)./(2*pi*DrehzahlEMB) 
if Drehmomentbrauch<0 & DrehzahlEMA<0 & DrehmomentEMB>0
  Dm=abs(Drehmomentbrauch)+ abs(DrehmomentEMB*3.07*2.64)-(DrehmomentEMA*2.64)
end
In this code (output)Dm=-13
but expected output is zero
That can be obtained by increasing first input i.e. DrehzahlICE=1000 to 1020
how can i take a feedback that Dm is not between -1 to 1
and DrehzahlICE should increase at the step of 1

Best Answer

Put the relevant part of the code in a while loop with the condition
while Dm < -1 || Dm > 1
  % Your main code here
  DrehzahlICE  = DrehzahlICE  + 1
end
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