Questions tagged [system]
The system tag has no usage guidance.
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ISO 13849-1 Cat 3 Architecture in safety sensors
Context > In ISO 13849-1 CAT-3 architecture, you need 2 redundant I-L-O (Input-Logic-Output) channels and there has to be a cross monitoring between two redundant logic units. Refer to the image ...
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How is the pole frequency calculated in a Type 2 compensator using OTA in TI App Note?
I was reading "Demystifying Type II and Type III Compensators Using Op-Amp and OTA for DC/DC Converters" (link here) and came across equation (23) found on page 7.
It provides an example of ...
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Can I make my Battery Pack Much Efficient in my DIY Power Bank?
I was having a project of a DIY power bank as a backup for my phone. I need to use super thin batteries for this application. my goal is to make this power bank as efficient as possible. now I want to ...
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GPS fix with plastic lid closed [closed]
I have a product where I'm using Adafruit Product 746 (Ultimate GPS Module - 66 channel w/10 Hz updates - PA1616S - MTK3339 Chipset). I'm using this external active GPS antenna "32db High Gain ...
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Linear system - causal and memoryless system (integral)
\$T{(x(t))} = \int _{-\infty }^{+\infty }sin\left(t+\tau \right)x\left(\tau \right)d\tau\$
Is this system causal or not? Is it memoryless or not?
At first I thought it was not causal and with memory ...
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Why am I getting completely different voltage and power results from Simscape phasor simulation and load flow simulation?
I am simulating the power system in the picture, with two generators and three PQ loads.
My problem is that when I try to simulate it in Simscape, the load flow analysis gives me completely different ...
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Power System Economics Generation Dispatch Calculation
Assuming that the annuitised investment cost of transmission link is 37 € /MW.km.year, calculate the network annual cost and annual network profit for the three proposed cases.
I'm trying to calculate ...
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Impulse response of an RL circuit
I've got homework in the Signals & Systems class I'm taking, and I'm trying to find the impulse response to this circuit whose transfer function I've found. In the class we've done practice ...
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Long distance cable to monoblock centrifugal pump from PV VFD [duplicate]
I want to install a three phase 10 HP monoblock centrifugal pump that is around 200 meters away from the PV solar Vfd. The solar system is installed with 16 solar panels of jinko 555 p type. I would ...
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Is it a bad idea to use CAN-Bus to control robot wheels?
I am working as a student on a 6 wheel robot project and have problems deciding what communication protocol to use for controlling the locomotion system.
The idea is to use a Master Controller in a ...
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Modern DDR4 memory access latency system analysis
The memory access latency for the Intel Core i7-11800H (source: chipsandcheese, cpu latency for Intel Core i7-11800H), using DDR4-3200, reveals specific timings: 1 ns for L1, 3 ns for L2, and 13 ns ...
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Is it required to have both ATS/ACTS and AMF in electrical system?
I just read an electrical system layout and specification, where the designer put an ACTS on the distribution panel (to switch between the main and generator), and AMF on the generator. What I read ...
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Connection between impulse response and LTI system
I am always confused by this, please make it clearer for me here:
1)If I have a system which has Impulse response, which means \$H(j\omega)\$, so my system is LTI.
Am I right?
2) Same with transfer ...
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What is the minimum distance between medium voltage electrode and low v earthing electrode
And what is the best way for grounding the koisk which have medium section transformer and lv section. The required earthing system is TNS system that requires neutral and pe in the same electrode
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Discrete-time system transfer function
I am attempting to calculate the discrete-time system transfer function G_HP(Z) from G(s).
The continuous transfer function,
$$G(s)=\frac{5e^{-\tau s}}{s+5}$$
Where $$\tau =1$$ and $$e ^{-\tau s}$$ is ...
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DC Motor Difference Equation Digital Control System
This shows a DC motor drive with the voltage input.
And the discrete-time model is like this
The difference equation should be something like this:
Where the C_1T is the inverse laplace transform of ...
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LTI system: can I infer the system is causal based only on the transfer function without the ROC?
Suppose we have an linear time-invariant (LTI) system which acts on discrete signals. Suppose someone tells us the transfer function is: $$H(z) = \frac{1}{z-2},$$ but doesn't specify the ROC. Now the ...
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Z-Transformation Function
I have a system given, which looks like this:
simulate this circuit – Schematic created using CircuitLab
Now I am task with giving the "difference-equation":
...
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Impulse response of a system with a transfer function with a phase discontinuity
I am puzzled about an impulse response of a system. The transfer function is:
\begin{align}
T(\omega) = A_0 e^{-j \Theta_0 \mathrm{sign}(\omega)}
\end{align}
where the sign() function is the sign of ...
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System design of a multi PCB project
I am currently supervising the design of a system made of several PCBs and cables and I am looking for a tool to help me maintain an easy overview of the interfaces.
I have been searching around and ...
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Signals and Systems: applying time shift operator on a system in \$\Psi \{x\}(t)\$ notation
I didn’t quite understand how to apply a time shift operator on a system when checking time invariance.
For instance, if we have the system:
$$\Psi \{x\}(t)=(x(t))^{t}$$
and I want to shift it \$\tau\$...
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ADS8598S - how to connect to a MCU - general Architecture question
For a future project I'd like to use the ADS8598S from Texas Instruments, which is a "higher speed" 8 Channel simultanously sampling ADC with 18 Bits and a max. Sample rate of 200 kSPS per ...
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Finding transfer function from Bode plot
While I know how to find the transfer function from the response graph, I don't know
how to find it from Bode plot.
What I know about the system:
The system is a second order system
The system has no ...
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Calling embedded systems vs. calling embedded electronics
I know that the name "Embedded systems" is way more adopted worldwide. However, it always intrigues me since, in engineering, the term "system" is usually used when it is intended ...
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What is the phase difference between phases in 3phase system, if system becomes unbalanced
Is the phase difference between the voltage phase 120 degree in an unbalanced system if not what how can we calculate it?
I will try to explain this a litte more clearly.
More specifically in this ...
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Can we say that this system has a memory? [closed]
This unit step response has a memory because of (n+1) but can we say that whole system is not memoryless? If we can, why?
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Signals and systems - Find the inverse Fourier transform of a RLC circuit
I was analyzing the following RLC circuit:
And applying the Fourier transform on the circuit, I ended up with the following transfer function:
$$
H(\omega)=\frac{V_c(\omega)}{V_i(\omega)}=\frac{1}{1+...
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Are comparators essential in a negative feedback model, cybernetic system?
Since there are no cybernetics.stackexchange, I thought it would be meaningful to ask this to people who would possibly understand systems theory and cybernetics.
Can there be a system, a negative ...
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Signals and systems - Does y(n-1) affects when I check the system for linearity?
I have the following system:
$$
y[n] = \frac{x[n]}{3}+ 2x[n-1] -y[n-1]
$$
And I have to check its linearity, but I don't know if i'm supposed to evaluate y[n-1] as if it was a x[n-1], or if I have to ...
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Convert three-phase to a single-phase
For a local power grid powered by a 20 kW diesel generator, I want to feed a set of single-phase loads.
But I have problem with imbalance.
I have equally divided consumers between each phases as much ...
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Derivation of zero state response for LTI system with convolution
Consider this derivation of the zero-state response \$y_{zs} \$ for an LTI system caused by an input \$x(t) \$: -
$$\begin{smallmatrix}\begin{array}{r|cc}
\text{Input} & \text{Output} & \text{...
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Linearity and how it affects the response of a system
I've been reading Schaum's outlines for Signals and Systems, and stumbled across the beginning of impulse responses. However, I saw this:
Which I understood as the impulse response being "what ...
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Laplace transform, How to calculate the output of a system to a infinitely extending signal?
I need to calculate the output of a system given as
\begin{align*}
H(s) = \frac{s}{(s+1)(s+2)}
\end{align*}
For an input
\begin{align*}
e^{3t} \ \ \ \ \forall \ t
\end{align*}
I currently ...
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Second order transfer functions, intrinsic time constants and responses
Say I have the following circuit: -
simulate this circuit – Schematic created using CircuitLab
This circuit has the following transfer function \$H(s) = \frac{V_o(s)}{V_{in}(s)} = \frac{\frac{1}...
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Carry-select adder - Time calculation
a) Suppose a binary pick-up adder (carry-select) of 32-bits, comprising 4 sub-sections adders spreading carry of range 8 bits. Show the values obtained internally in the circuit of this adder to ...
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Does the DC component of any signal also carry information?
Every signal carries some types of information in it. Mathematically we Know from Fourier series that these signals can be represented as a sum of its DC component and all the harmonics of fundamental ...
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Confusion in proportional controller
I was revising proportional controller from here
and got confused in following figure which is common in many books also.
Since output of controller is proportional(by factor K) to error function but ...
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How do power grid systems supply power to new loads coming online?
I know that in a power system there are no energy storage elements. Due to this, as soon as power is generated by the generators it is transmitted to the end user where the power is utilized.
Say a ...
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Charaterization of waveguide to coaxial adapter
I'm trying a method to characterize a high frequency waveguide to coaxial adapter( 2-port network).
For this, I use 3 adapters A1, A2, A3. After a TRM calibration, I measure A1 connected with A2 with ...
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Improve system response by looking at transfer functions
This question is quite long - I apologize for that.
I am working on a car in a course project. In order for the car to drive efficiently, it has to have a \$\lambda \$-value of \$\lambda=1.3 \$ for ...
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How to derive transfer function for DC feedback coupled transistors?
I am not sure where to start deriving the transfer function of this circuit.
If I do a control diagram then I need to know the initial values to convert the system into the Laplace domain, so I guess ...
user115914
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Amplifier gain in budget links
How does an engineer calculate the required power/low-noise amplifier gain after she/he is provided with the link budget of the system?
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Confusion regarding finding closed loop transfer function and damping constant from open-loop transfer function
I have second order transfer function $$ G(s) = \frac{1.247}{s^2+9.76s+23.8}$$ G(s) is in the forward path of a unity feedback system.
How do I find the closed loop transfer function and damping ...
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What is wrong with my Simulink model of a first order Delta Sigma Modulator?
I'm trying to design a Delta-Sigma Modulator for frequency synthesizer applications and am (just right now) figuring out how to properly configure a first order DSM in Simulink. I've made a few small ...
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How do causality and stability affect the response of a linear time-invariant system?
Suppose that there's a linear time-invariant system with the following transfer function:
$$H(s) = \frac{1}{3(s-2)}-\frac{1}{3(s+1)}$$
If the system is causal and stable, I can determine \$h(t)\$ by ...
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Memory Selection and NOT Gate in Embedded System
I'm currently studying Embedded Systems and in the topic of drawing a schematic for the address of a microprocessor (16bits address x 8 bit data (64Kbytes)) with 1 ROM 32Kx8 and 1 RAM 32Kx8, I simply ...
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What is the controlled variable in this particular case?
I have a question, maybe you can help me because I am not sure of the correct definition.
As an example I have a plant with a measured output y in a closed loop system. But as the feedback variable I ...
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Linear system question
I have been struggling with this linear system's question. []
I have arrived at a solution, but i do not think my solution makes sense.
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Early Deadline First (EDF) scheduling in real-time systems feasibility test proof
I am trying to prove Theorem 6.2 on page 127 of the book Real-Time Systems by Jane W. S. Liu:
http://www.cse.hcmut.edu.vn/~thai/books/2000%20_%20Liu-%20Real%20Time%20Systems.pdf
It is based on Early ...
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What is the black two-leg sensor?
This is part of the Auto Sun Tracking Pump. It is attached to the agriculture solar system but damaged and I want to replace it. I don't know the black two-leg sensor.
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