Fuzzy Logic Control 08 Implementation MATLAB Simulink DC Motor تنفيذ متحكم منطق ضبابي على الماتلاب

[@youcefbenslimane1389]

بارك الله فيك استاذ و جعلها الله في ميزان حسناتك

[@SocratMohammad]

شكرا أستاذ بعد اذنك لو تعمل مثال باستخدام Fuzzy PID

[@HashimEduTech]

ان شاء الله

[@OctaRudin]

Awesome. But, how did you get the 0.01 and 250 as gain? thanks

[@HashimEduTech]

this is intutive. The input is maximum 100, so i multiplied by 0.01 to insure that the input is around 1. Same for the output (see the steady state error). this normally requires some calibration and try and error. i did not do good job in the this part. As i said in the video, the output can be better if i spent some time in tuning and correction which was not the objective of this video.

[@OctaRudin]

@HashimEduTech ok, no problem Mr Hashim, i will try to tune by myself.. one more question, i believe that U(s) is the armature voltage in volt and Y(s) is the speed of the dc motor in rpm. If we gain the output with 250 or another number, does not it make out of working voltage range? Do we need to set the U(s) to its working voltage range? Such as 0-12 volt or 0-24 volt.

[@HashimEduTech]

​ @OctaRudin you are right, U(s) is the armature voltage in volt and Y(s) is the speed of the dc motor in rpm. Remember, the transfer function in this example has arbitrary parameters (the parameters has nothing to do with the reality, I just assumed them). You will have to calculate the input and output gain based on steady-state error and battery input voltage.

[@OctaRudin]

@@HashimEduTech i see, ok thank you. i really appreciate your answer. 👍

[@marwaabdelkareemyagoub8152]

How did you get the input and output range of fuzzy controller?

[@HashimEduTech]

For the input, based on the maximum value of the error (negative and positive)

[@marwaabdelkareemyagoub8152]

@@HashimEduTech thanks

[@med_adda]

Hello. Please can you explain to me why you used the integral of the error instead of the derivation of the error? ( As delta_e is the most commun input, i've never seen the integral before and i used it too now but i need an explanation to back my choice up. Thank you.

[@HashimEduTech]

proportional helps in fast convergence and integral helps to eliminate steady state error

[@med_adda]

Thank you.. any documentation avaible where there are examples using integral? I couldn't find any. Much appreciated.

[@electotechnique1462]

@@HashimEduTech and derivative for what,?

[@youcefbenslimane1389]

I DONT UNDERSTAND THE USE OF THE "INTEGRAL 1/S " AS A " SUM e" could you explain this pleas?))))

[@HashimEduTech]

because 1/s is an integral, integral refers to sum of the area under the curve. As such, integral of an error is sum of error