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Found 6 results

  1. Hello everyone i am relative new to labview and currently i am bit stuck need help... i want to capture data with a digital trigger on my chassis PFI0 (9178), the pulse is 20ms long and occurs on my straingauge 9237 module. The pulse comes in 10 times in a row with couple of miliseconds between it, can i measure it every time and push it inside an array like a "last in first out" memmory to evaluate it slower for the user? I am currently struggeling with the loop dividing into more then one loop approach. How to breach out from accquire->store->plot in one loopdone right with good performance? I don't know how to shape the cure because there is a dependency from loop time to datapoints with the daqmx task inside of it :-/ Capturing should always be possible and run in background and the user just uses the frontend to play around with filters (me learning what filter shape the cure in which way) It would be nice if someone can share their knowledge towards realizing multiple graphs from a pulse that comes in and is stored in a graph. I know my program is not pretty right now but with progress it will be nicer, function first to learn! WheatstoneSix_6.vi
  2. I have created a sub-vi which un-pack data comnig from an embedded board with 8 channels and puts on its output the results. Now I'd like to implement an addictional feature which regards the filtering of this data through a low and high pass. So I created another sub-vi that integrate these kind of filters with inputs to set their configuration. When I use the filtering sub-vi on only one channel all seems to work well, but as soon as I add another one on another channel it doesn't work: the output signals are not filtered; there some changes in their trends but it's a indefinite behavior, not a low/high pass processing. It seems thet the presence of one filtering sub-vi intereferes with the other. I tryed to understand the problem but actually I'm in a dead end. Can anyone give me any suggestion or maybe a solution? filtering.vi unpack.vi
  3. Hi All, I have implemented Kalman filter using LabVIEW 2016. You can find the codes here: http://kataauralius.com/index_files/Kalman_filter_in_Labview.html. Hopefully this is useful for those who struggle with the implementation of Kalman filter in realtime system. Best, Auralius http://kataauralius.com
  4. Hello All, I have implemented first order filter in Real Time and trying to implement in FPGA. Please attached code for your reference.
  5. Bruno Costa

    Historical Alarms Menu of Alarms panel

    From the album: Supervisory System

    This is the Historical Alarms Menu, in this menu you can select in a list of variable which variables are displayed in alarms panel with many options.

    © Petrobras - Petroleo Brasileiro SA

  6. Hi everyone, I will be presenting TS1360: "Implementing an Efficient Moving Average Filter in LabVIEW FPGA" on Thursday 1-2pm. Room 16B. These techniques are relevant for developing any sort of code on the FPGA, not necessarily filters. Many of the findings are a bit counter-intuitive for someone used to developing regular LabVIEW code or even Real-Time LabVIEW code. Hope to see some of you there or bump into you in the corridors of the Convention Centre! Cheers, Neville.
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