Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [labview]

32 questions
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6 answers

Can LabVIEW be used instead of an oscilloscope to measure signals?

I've been thinking about buying an oscilloscope for self usage. However, searching for oscilloscopes on Google reveals that they are very expensive - the cheapest I found was about $200. It turns out, however, that my university provides a license…
Carl
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FFT in LabView using DAQ

Familiar with the FFT and LabView. Can I use LabView to compute and display the FFT of an analog signal in real-time rather than computing it from a data array?
Alex Ponce
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I try to understand what this element is from Labview

I am an absolute beginner about Labview. I don't want to stop in Tutorial Hell. That's why I try to pick it up by reading the project Labview Based Automatic Antenna Pattern Measurement and Gain Caluclation. Can anyone tell me what this element is?
bahadir3301
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Confusion regarding proportional control?

https://www.mediafire.com/file/30bw1s5uw8fexu6/VTOL+help.pdf/file From above link, I was reading a manual about QNET VTOL (Vertical Take off and Landing) trainer and I came across a the task/question shown in attached snap, the snap is page 7 of…
LECS
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Problem creating a VI when importing a DLL in Labview

I want to import a DLL to Labview and create VIs from my functions. For simple functions with common data types, it works well. My problem is when the function has a struct data type. I followed this tutorial to import. My DLL…
Arcaniaco
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Labview inverse Fourier transform: Why can't I visualize Gibb's effect (or ringing)?

I am studying electrical engineering and have an assignment which I have been working on for couple weeks, but can't solve. I have a discontinuous function as shown below and applied a FFT on it, which can be seen on the right. On the bottom right…
Verman
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Measuring current using ACS 712 with NI DAQ 9215

I am trying to measure current from Ignition coil(12V, 4.5A). i used arduino to measure current. And it worked good. And i connected the ACS712 signal pin to NI DAQ 9215. At zero current the output voltage is 2.5v( ACS offset votlage ) which is…
HEMARAJ J
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In a Generator, why when the Exciter voltage increases the Generator Voltage decreases?

I have a project where I have to build an electrical model of a generator with constant torque at 1500 RPM and simulate it in LabView. I have a manual that describes some measurements that were made on the generator while operating at certain…
Pablo Izquierdo
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Can change number of data bits in NI LabVIEW's VISA serial?

I need to send 16 bits of data through serial UART to LabVIEW. I have 16bits of data frames with 1 start bit, 1 stop bit, and 1 parity bit. Is it possible to change the number of data bits in VISA component of NI LabVIEW to 16bits.By default it is 8…
oppo
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Frequency Range VI(Labview)

I tried to understand what "Frequency range vi" consists. But I didn't understand. From Reference Article(doi:10.15199/48.2021.11.10): No.1 shows the block diagrams of fixed-point data consisting of the start frequency, the end frequency, and the…
bahadir3301
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Vector network analyzer and an Arduino

Can you give an advice how to improve this? I want to combine a VNA with an Arduino in an RF anechoic chamber. The position contol will be performed by the Arduino. Reference article
bahadir3301
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I saw a symbol (double vertical line) on Labview 8.0. Is it "or" function?

I saw a symbol, what there is vertical double line inside triangle shape, on Labview 8.0. Is it "or" function? I also asked in Labview Community.
bahadir3301
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Frequency counter input on myDAQ not working

I'm trying to measure the speed of a small DC motor using a rotary encoder and an OPTO sensor, and counter input on myDAQ. Here's my circuit on the breadboard: The collector pin of the transistor is connected to the DIO1 port of the myDAQ. And…
Charbel Nicolas
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Problem in communicating with CAN port for multiple devices

I have 6 thrusters from TIANJIN HAOYE TECHNOLOGY CO. LTD. 4 thrusters are T1080 (small sized) and two are T1020 (big sized), the only difference between these two are of the thrust they provide. Both use CAN ports. I'm using NI cRIO controller with…
ssmalik
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How to implement a Control System when I have two parameters that control said system?

I've got a system that uses two parameters, let's call them F and P, to control the mass flow rate of a substance flowing into a chamber. I need to control the concentration (grams per cubic meter) of said substance in the chamber. This system will…
Ben S.
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