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Questions tagged [control-system]

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A control system regulates the behavior of other devices or systems, usually using a control loop. Examples are a home heating controller using a thermostat, a regulator keeping a drone stable, and industrial control systems used for controlling processes or machines.

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I'm designing a phase shifted full bridge for the first time, using UCC2895 with peak current mode control, and my calculations based on the datasheet lead me to some doubts. My circuit is meant to be ...
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I’m working with a 3.3 V digital signal that behaves a bit like a timing puzzle. Under normal operation, it produces a pulse train where both the high time and low time vary, typically anywhere ...
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This is a single input power system stabilizer (PSS) I found from this report. The PSS transfer function is given by $$G(s)=K_\text{pss}\frac{sT_w}{1+sT_w}\frac{1+sT_{11}}{1+sT_{12}}\frac{1+sT_{21}}{1+...
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When extracting the loop gain frequency of a nonlinear system: • What is a good way to ensure the disturbance injection sinusoid amplitude is small enough such that the response remains in a ...
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In buck converters, control loop analysis involves injecting a small AC signal into the output feedback path to assess how the loop responds. This method helps evaluate the stability and dynamic ...
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For a minimum phase system where there are multiple 180deg phase crossings, is there a detailed, unambiguous, and rigorous rule that can be applied in Bode Plot analysis, for using Gain Margin as a ...
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So I have the following transfer function where Kvp=0.15, and Kvi=1. This is open loop gain. The bode plot is as follows: For unity feedback system (loop gain equal to open loop gain) although at 0 dB ...
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Is it right to say \$GBW = 4 * 10^6\$ ? screenshot taken from lm5022 datasheet
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I have been attempting to formulate the averaged model of a dc-dc converter supplying the series wound dc machine operating in a given mode (for my question it doesn't matter what is the exact ...
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This is part of the datasheet for the LM5022, a boost converter. I've managed to figure out I can just take the zeros ZESR, RHP and the pole LEP. However, I've figured out that the brackets with s^2 ...
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I have following the so called switched model of a dc-dc converter supplying a series wound dc machine $$ \frac{\mathrm{d}}{\mathrm{d}t}i_f = \begin{cases} \frac{1}{L_a + L_f}\left[e - (R_a + R_f)...
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I am currently learning about voltage mode and current mode control in switching buck converters. From what I understand, a voltage mode converter is typically considered a two-pole system, where the ...
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In a panel, when laying out a PLC with two terminal strips, must the wiring drawing match the physical layout drawing? I.e. should the pin order and orientation of the wiring drawing match the ...
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I have a control panel that has a 24VDC power supply, relays and a PLC. I have one stepper motor driver that takes 120VAC input. The question I have is should I ground the 24VDC to the chassis at the ...
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How to find the values of parameter \$a\$ such that the system will have a pair of complex poles corresponding to a dampening factor of \$\zeta=\frac{1}{\sqrt{2}}\$? I've done Root Locus analysis of ...
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