Block Diagram Reduction (Solved Problem 4)

Control Systems: Block Diagram Reduction (Solved Problem 4)
Topics discussed:
1. Solved Problem based on Elimination of Disturbance (given into the system) in the final output.
2. Overview of Multiple input Single output (MISO) systems.
3. Use of Superposition theorem in order to analyze a MISO system.
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[@PunmasterSTP]

Another great video as always! In case anyone is interested, I thought of a slightly different way to solve it: As he did in the video, we can combine the two cascaded blocks to get 10/(s(s+10)) for an equivalent block in the middle. Then we can move the signal D*Gd from where it is now (the first summation point) to a point after the cascaded blocks. Doing so would make the signal D*Gd*10/(s(s+10)). But then notice that this signal is being subtracted while the initial signal D is being added. So if we want the effect of the disturbance to be 0, then the sum of these two signals should be zero. In other words, D - D*Gd*10/(s(s+10)) = 0, leading to 1 = 10*Gd/(s(s+10)) and Gd = s(s+10)/10.

[@mohamedaitelcaid5969]

There is another method which is less time consuming, firstly find the following equation: [S(S+10)+10]C=[S(S+10)-10Gd]D+10R After that differentiate the equation implicitly to find dC and dD, dC/dD = [S(S+10)-10Gd]/[S(S+10)+10] = 0, which means when D(S) changes it will cause no change in C(S), i.e. rate of change is zero, it happens only when the numerator equals zero which yields, S(S+10)-10Gd = 0, solving for Gd, will give, Gd = S(S+10)/10.

[@lordputinrasiaWale]

I watch your electrical videos . very good content thanks for it. Please make a q&a video . Who is created this channel? Who create videos? Who are you? Like this

[@lecturesonelectricalengine2541]

its a humble request to complete this subject soon as i have been waiting from last year to get this subject compeleted.

[@PunmasterSTP]

Wow you have a lot of patience! What have you done in the meantime to study for your classes and any exams (like the Gate)?

[@poojachaurasia9374]

Sir u are brilliant

[@sanskarkumar6484]

thanks Sir🙏❤

[@chanduchandrakanth5131]

Sir please make videos on DBMS

[@learninginstudentscafe7284]

Good job

[@nassorosalum4235]

great explanation as always

[@umamheswararao8694]

sir pls upload the next video 🙏

[@arpanbag8316]

Nice

[@-Raghava]

Upload next video bro

[@yacinealaouchiche5468]

Uploead next video please

[@mohamedlagad]

what cs stands for ?

[@aungnyanhtun5924]

reference input

[@Noone-hq9tf]

next video

[@sachinsudaraka6397]

🤟🤟❤️

[@toxicgaming43]

Sir can u solve this question in 5 seconds u dont then how can ee solve this in 5 seconds

[@PunmasterSTP]

Sorry I'm not quite sure what you meant. Were you referring to the main question that he works on in the video, and if so, was there a need to solve it within five seconds?