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junior college 2 | H3 Maths
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Chowder
Chowder

junior college 2 chevron_right H3 Maths chevron_right Singapore

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Date Posted: 5 years ago
Views: 613
Liu Rijing
Liu Rijing
5 years ago
Bro, please show full qn
Chowder
Chowder
5 years ago
I send alr
Liu Rijing
Liu Rijing
5 years ago
The pic is full qn, what is the transfer function first order?
Chowder
Chowder
5 years ago
Step disturbance
Liu Rijing
Liu Rijing
5 years ago
What is the process the step disturbance is applied to
Chowder
Chowder
5 years ago
First order
Liu Rijing
Liu Rijing
5 years ago
OK, give me some time to answer it.
Liu Rijing
Liu Rijing
5 years ago
Conclusion the actual process is not first order but is represented by (Ks + Cs^2)/s^2
Chowder
Chowder
5 years ago
Bro but my tcr ask to explain like why the two graphs are different why the lines arent rhe same . My tcr said explain througg words leh
Liu Rijing
Liu Rijing
5 years ago
The graphs are different because the actual process is not first order, hence the theoretical output is different from experimental output.

I do not think it can be explained just with words, we need some derivations to show why it is so.

The best you can say is the actual output varies linearly with time, and the Laplace transform of this linear function shows the actual process has second order poles and zeros transfer function.
Chowder
Chowder
5 years ago
Ok bro i also do in my own words can u check also . I use ur ans and mine can u check my sentences
Liu Rijing
Liu Rijing
5 years ago
OK, bro, please send
Chowder
Chowder
5 years ago
BRO i send u by tonight please can ?
Liu Rijing
Liu Rijing
5 years ago
Ok
Chowder
Chowder
5 years ago
bro i wrong leh thats actually the response graph for impulse disturbance how liao leh
Chowder
Chowder
5 years ago
and is actully first krder leh how u get secknd lrder nia
Liu Rijing
Liu Rijing
5 years ago
Bro, sorry for the wrong answer
Liu Rijing
Liu Rijing
5 years ago
Bro you told me it is step response for first order and I thought the difference is in the process not the response.
Liu Rijing
Liu Rijing
5 years ago
Bro if the difference is in response, the teacher should make it clear
Liu Rijing
Liu Rijing
5 years ago
It can be difference in the process order too
Chowder
Chowder
5 years ago
bro i alr done everything can i send u my answers anf u check for me? like please check for me leh cos i need to score 20% for this assignment :/
Chowder
Chowder
5 years ago
please help me de cos i want to get A ba
Liu Rijing
Liu Rijing
5 years ago
Ok
Chowder
Chowder
5 years ago
bro i post at the ans section.
Liu Rijing
Liu Rijing
5 years ago
I think you have to let me see the whole qn then I can help you. You only showed partially, hard to understand.
Chowder
Chowder
5 years ago
bro sorry leh i send u the wrong graph de. i alr send a new one its at the ans sec
Liu Rijing
Liu Rijing
5 years ago
Bro, I am confused, why the questions changed
Chowder
Chowder
5 years ago
the Q nvr change leh. only the graph. compare the theo and experimental graph
Chowder
Chowder
5 years ago
bro can help with presentation
Liu Rijing
Liu Rijing
5 years ago
Presentation as in PowerPoint slides?
Chowder
Chowder
5 years ago
no like i need to present for 5min in front of the crowds but idk what to say cos my part is on methods and materials
Liu Rijing
Liu Rijing
5 years ago
When are you going to present? Actually I am still unclear on the question. You are given an experimental and theoretical graphs, and you are told the process is first order? What other information were provided?
Chowder
Chowder
5 years ago
its ok bro i alr submit that one. this is another assignment subject called scientific communication.i will tell u the infos abt this one
Liu Rijing
Liu Rijing
5 years ago
Ok
Chowder
Chowder
5 years ago
i cannot exceed 3min. pls Jelp me thank you
Liu Rijing
Liu Rijing
5 years ago
OK, please share more info.
Chowder
Chowder
5 years ago
i will send u the details all by tmrw. pls help me i beg u thank you so much
Chowder
Chowder
5 years ago
bro are u free
Chowder
Chowder
5 years ago
bro i alr post new Q at JC2 H2 math. this isnt the presentation thing. this one is chemical reaction engineering subject. i will give u more details at the ans section
Chowder
Chowder
5 years ago
bro please help me leh
Chowder
Chowder
5 years ago
bro u there
Liu Rijing
Liu Rijing
5 years ago
OK, I will take a look.
Chowder
Chowder
5 years ago
bro u there
Chowder
Chowder
5 years ago
bro help me leh please
Liu Rijing
Liu Rijing
5 years ago
Give me some time, I am tired, looking at the qn now

See 7 Answers

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Liu Rijing
Liu Rijing's answer
49 answers (A Helpful Person)
Unit ramp input to a first order process gives a linear y(t) response, while a unit step input to a first order process gives an exponential y(t) response.
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Chowder
Chowder's answer
16 answers (A Helpful Person)
1st
Bro
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Chowder
Chowder's answer
16 answers (A Helpful Person)
correct or not leh?
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Chowder
Chowder's answer
16 answers (A Helpful Person)
bro sorry this is the graph in referring to
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Liu Rijing
Liu Rijing's answer
49 answers (A Helpful Person)
First theoretical step disturbance to first order transfer function derivation.
Chowder
Chowder
5 years ago
Bro but the Q ask abt the difference leh
Chowder
Chowder
5 years ago
Not the equatiom
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Liu Rijing
Liu Rijing's answer
49 answers (A Helpful Person)
2nd step, s domain to t domain conversion of step input to transfer function
Chowder
Chowder
5 years ago
But it ask me to compare the graph betwen experimental and theoretical leh
Chowder
Chowder
5 years ago
My rcr said no need do any working or equation how leh
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Liu Rijing
Liu Rijing's answer
49 answers (A Helpful Person)
Actual transfer function based on experimental data