Questions tagged [step-response]

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1answer
159 views

Find transfer function and step function for this circuit

Can someone help me to find the transfer function of this circuit (i want to have the tension through the capacitor I think) and the step response in order to get the voltage in the function of the ...
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0answers
46 views

(Convolution Integral): What does it mean to have an impulse response before t=0?

Context: I am currently learning about convolution integrals as they apply to circuits (LTI specifically, if I understand it correctly. (For the following, continue under the assumption that \$\theta(...
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0answers
38 views

Underdamped RLC with CCCS, calculating capacitor voltage

Referring to "Electrical Circuits" Nilsson/Riedel 10th Edition. I have a classic underdamped RLC circuit with a CCCS (Current Controlled Current Source) with a current multiplication factor ...
1
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1answer
77 views

How to determine the step response given a transfer function?

I would like to know how to draw the step response given a transfer function. For example, given \$G(s)=\frac{(1-\frac{s}{3})}{{(\frac{s}{0.1}+1)(\frac{s}{100}+1)^2}}\cdot 10\$ a transfer function, ...
1
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1answer
53 views

Convolution integral with step function

for the following convolution integral $$ \int_{-\infty }^{\infty}\sigma (\tau)\tau A\sigma(t-\tau)\sin(t-\tau)d\tau \text,$$ where \$\sigma(t)\$ denotes the step function We'll only get results ...
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0answers
2k views

PI Controller Design (Ziegler-Nichols) and Unit Step Response Graphing for 4th order system

I have a system that requires a PI controller designed using the Ziegler-Nichols Methods. I would also like to plot the unit step response in Matlab, but I am getting extremely weird results. This is ...
1
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1answer
227 views

Gain of an experimental first order step response

I have a pwm driven DC motor control system with magnetic encoder that measures the output shaft speed and outputs the RPM values every 50ms over serial comms to plot a graph of RPM vs Time. The ...
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0answers
162 views

Would a current feedback op-amp work well as a precision ground reference?

I've been looking into precision ground reference circuits to form ±5V rails from a 10V supply for a project I'm working on, and noticed that current feedback (CFB) op-amps have some desirable ...
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0answers
240 views

PartSim Simulation for Transient Step-Response (RC Circuit) Has Unexpected Result

this is my first question on stackexchange, so forgive me if my format is not ideal. I am currently trying to simulate a RC circuit, and producing a step-response graph that should look similar to ...
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0answers
51 views

Find 2nd order transfer function from step response

I have to find the tranfer function from the following step response. I would've known how to do this if the system had a steady state. Unfortunately, I don't even know how to begin this task. I know,...
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0answers
38 views

RC circuit with open switch and calculating energy

Yet again a similar task, however this time I'm supposed to find the energy stored in the capacitor. This is the circuit: And the questions are: And this is how far I have come in the problem: ...
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0answers
15 views

How to generate impulse resposne/single bit response in ADS

In ADS, for a given S-parameter: How can we generate the impulse response and single bit response from it? How can we plot it in data display?
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1answer
35 views

How to represent the lag/settling time of a DC motor?

I have a 12V brushed DC motor and I need to calculate its lag/settling time or latency in other words. I did some experiments in which I gave motor DC supply of 5 volts recorded motor's steady-state ...
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1answer
28 views

Solving a series RLC DC step response circuit

I got two different answers to this RLC problem when using a method shown in class. What am I doing wrong? Edit: I graphed each answer. I'm assuming the answer for Vc on the right is correct, as the ...
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24 views

PI tuning from simulink scope?

I would like to use the method of Zigler-Nichols method for open loop. I got the step reponse from Simulink scope but How can I calculate the L and A from the scope?
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0answers
90 views

Ordinary LED response to nanosecond pulses

Can anybody explain to me the output waveform generated on pins of an ordinary LED when it is exposed to very short light pulses? I can clearly see that there is a precise difference in the length of ...
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0answers
41 views

Transfer Function For Electronic Pressure Regulator and a Step input

I was wondering if I could have some help in how to determine the transfer function for a Proportional Pressure Regulator. (VEAB-L-26-D7-Q4-V1-1R1). I have done a basic instrumentation and control ...
0
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2answers
595 views

Relationship Between Root Locus Pole and Percent Overshoot and Gain in MATLAB

I have a peculiar confusion regarding the relationship between a closed-loop pole on a root locus plot and its gain and percent overshoot. I have found a point on the root locus plot that MATLAB ...
0
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1answer
108 views

Determine the impulse response of the following discrete system

I'm not sure how they got the answer (provided below) for the following discrete system y[n] = x[n]- 2x[n-2]+ x[n-3]- 3x[n-4] the answer is given as .... h[n] = [1 0 -2 1 -3] why is this? any help ...
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0answers
74 views

Design controller to get this response

We have the following closed loop system where a is from 1 to 10 and p from 0 to 1(excluding 1). We want to design controllers H(s) and C(s) so that the step response is inside this area This is ...
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3answers
192 views

identifying overshoots in given state space system with step inputs

Suppose I have the following state space system: $$ \dot{x}(t) = Ax(t) + Bu, \quad y(t) = Lx(t), \quad x(0) = x_0\neq 0 $$ where \$A\$, \$B\$ and \$L\$ are real matrices, \$u\$ is a constant real ...