Questions tagged [control]
Control refers to systems that control other systems, whether that be industrial machinery, lighting, or devices used in a home.
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Controls - seeing if a discrete time system can arrive from a certain input to a certain output
Given a system:
$$A = \begin{pmatrix} 7 & -3 \\ 18 & -8 \end{pmatrix} \quad B = \begin{pmatrix} -2 \\-6\end{pmatrix} \quad C = \begin{pmatrix}1 & 0 \end{pmatrix} \quad D =0$$
I need to see ...
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Connecting the LC circuit to dc voltage source without transient
Let's say I have following circuit
where the transistors are controlled via a software in the microcontroller.
I have been looking for a control algorithm how to achieve a state when both
of the ...
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Simplest Peltier Control
I wish to control the delta-T across a Peltier module using constant voltage and variable current. If efficiency is not an issue, can I just wire a potentiometer in parallel with the module? I ...
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Need help understand phase shift control in SPS dual active bridge converter
I am trying to understand the control scheme of the phase shift controller in a dual active bridge (DAB) converter. I initially started with the built in PLECS DAB converter and understood all the ...
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How can a system's overall transfer function be the same if the poles are different?
I am working through a problem that gives a block diagram representation of a physical variable state space. It then asks to build the state system for that physical variable system and a phase ...
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Wifi LED Smart Bulb
I'm trying to use my smart wifi bulb ESP8266 as a wireless controller for RGB LED. Currently it's a 9 W bulb works from 220 V AC.
My question is, if I disassemble the ESP8266 board from it and use it ...
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Speed control fan with PWM and capacitor (no pwm fan)
For my project I want to control the speed of a regular non-PWM fan.
I was wondering if what I came out with is a good idea or not. I noticed that the capacitor I used (25V 47µF) gets a bit warm after ...
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measuring NI 9215 for measuring pressure using pressure transducer
I need to measure pressure using pressure transducer with output of 0-10 V & 0-10000 psi range and NI 9215. How could be the code?
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Using Integral of Error as Input in Fuzzy Logic Controllers
I'm currently working on a control system for a doubly fed induction generator (DFIG) as part of my thesis project. Traditionally, fuzzy logic controllers (FLCs) use the error (e) and the derivative ...
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Trying to understand (and mimic) the multimeter's interference with a circuit
I am trying to use a microcontroller to regulate the speed control of a sewing machine, rather than the foot pedal that normally serves this purpose. The pedal cord has 2 wires that connect it to the ...
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Current mode control or voltage mode control of flyback converters [closed]
What is used more nowadays - current mode or voltage mode control when considering flyback converters?
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Plotting the bode plot of a high pass filter using matlab
I am trying to theoretically find the frequency response of the circuit given below:
Firstly i found the impedance value of the RC Ladder by applying the equation below, then i defined this as "...
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How does "pass band" relate to the response speed of a digital controller?
I am reading the page 318 of "Digital Control Systems: Identification, Design and Implementation" by I. D. Landau and G. Zito, which talks about the choice of desired performances in digital ...
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Using Buck-Boost as LED driver
I am trying to use a buck-boost controller like LT8390 as a LED driver. This controller can act as a current controller if the current through sensing resistor connected to (ISP/ISN) can be adjusted. ...
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25A SSR Failing
I have a 25A soild state relay I'm using to control a boiler. Using a SSR-25 DA https://cdn.sparkfun.com/datasheets/Components/General/SSR40DA.pdf. The issue I have is that if I supply 12v to the ...