Algorithm that uses the MPC?
I am working in an academic publication and am using predictive control tools in my experimentation. The point is that I must report the name of the algorithm that the "CD Implement MPC Controller VI"...
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PXI4461 triggering problem
Dear all, I have a problem to generate analog voltage signal from PXI 4461 under analog trigger mode. Basically, the triggering signal is generated by PXI 6221. The triggering signal is connected to...
View ArticleFind the VI Named "..."
Hi. Am all new to Labview. And at the moment im just playing around to see if Im cabable of learning it without years of learning. Im looking at different VI examples Im downloading. But all of them im...
View ArticleCan't configure FPGA FIFO
I have an FPGA project with two identical host to target FIFOs. (I have checked many times the settings on the FPGA side are identical in all but name). Problem is, one of them is functioning as...
View ArticleDoubt in ni USRP PAM Tx.vi
Hi,I am very new to Radio Transmission and USRP and I am trying to make a PAM Transmitter but for taking hints I am taking clue from this ni USRP example. But I am not able to understand few...
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Shared varaibles blocking TCP connections
Hello, I have a 9068 cRIO that used to run the source code fine in development mode. I then got creative and tried to create the executable RT with the option of creating a component definition to make...
View ArticleFirst and second derivative of a signal by using splines
Dear LabView users, I need to calculate first and second derivatives of a signal (experimental data acquired in function of time).I ask you to confirm to me, that the piecewise polynomial as given by...
View ArticleI have created CSV file and want to read a particular element from the file...
I am using read file for the first time and created this vi. But I can't seem to read the element 4 from the file, so I can show the picture given the value 4. Could anyone check my VI and tell me...
View Articleusing ni 9401 with visa, rs232 connection
Hello all, I am using an ni 9401 Digital I/O module with an ni cDAQ-9178 Chassis. I would like to connect two mass flow controllers made by alicat to the 9401 module, and read and write to said...
View ArticleHelp! Inserting a 1-D comment array into a 2-D string array at specified row...
Hello everyone, I am writing a 2-D string array to excel and i need a way to add comments to my file like this: SLAM NAME G Level Comments1 RALF 26 1...
View ArticleFormat Time Stamp String for excel error
Hi all, I am currently trying to format the time stamp from labview to excel, in an excel recognizable format. Ive attached a photo of that part of the vi. The time stamp is formated correctly when...
View ArticleHow to check the value of selected variable
Hello, Can someone help me out in build a VI to check the value of selected paramter that was assigned in a drop list.I want to have a droplist(dropdown) menu where each a parameter(variable) in the...
View ArticleMissing subVI in Actimetrics FreezeFrame2 software, PCI-1409 card, Windows 7
I am attempting to install FreezeFrame 2 (http://actimetrics.com/products/freezeframe/) onto Windows 7 OS from a Windows XP computer. In accordance with installation instructions, I installed the...
View ArticleNi VMS view acquired image output is 480x0
I've been trying to grab a single frame on an NI-1491 HDMI analyzer using the "VMS view acquired image" vi available here: https://decibel.ni.com/content/docs/DOC-29335 it runs with no errors and the...
View ArticleMeasure frequency of voltage signal
Good evening!I am attempting to measure the frequency of voltage for a flowmeter using an NI 9205. Knowing the frequency, I can then calculate the flow rate of the fluid. However, I am having a hard...
View ArticleCombine elements of a 2D array by Row
Hi all, I am pulling in a column of Dates and a column of Times from a text file, creating a 2D array of this data, and then I am stuck trying to merge the two columns together. For example, I need to...
View ArticleSaving extremely large images with IMAQ
I have a program that takes several hundred 2048x2048 images and puts them all together into one giant matrix. When I save the image with IMAQ Write to File 2, i get error -1074396154 "Image Is Not...
View ArticlePID Temperature Autotuning
Hi, Has anyone had much success with the 'Temperature' method of PID control and the autontuning of its parameters? I have several temperature (and other slow-responding) systems that I'm trying to...
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Boucles imbriquées
Bonjour, Je réalise une chaine d'acquisition de données hémodynamiques. Pour cela j'ai crée un VI qui permet d'afficher et d'enregistrer les données quand l'utilisateur le souhaite.Je mets en pièce...
View ArticleNetworking the cDAQ 9188 - No "Network Devices" in MAX
Hi all: I am having issues connecting my NI 9188 cDAQ via ethernet to my computer. MAX does not display it in its directory nor does it display the "Network Devices". Based on the guide NI provides, I...
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