Good Evening,
I am a senior in Mechanical Engineering, for our senior project, we need to create a LabVIEW program that will collect strain data continuously as it is subjected to varying loads. Basically, we are instrumenting spinal surgical tools with strain gauges and want to collect a load monitoring system that will inform surgeons how much load they are applying during surgery. We are using the following instruments:
1. Two KFH-6-350C1-11L3M3R strain gauges
2. Two NI-9945 quarter bridge completion circuits
3. CompactDAQ Chassis equipped with NI-9237
4. NI EDAQ-9172
Long story short, we have two strain gauges attached to the tools and need to collect the strain data continuously, about 3 minutes or so. The tools are subjected to a load of 50 lbs in 5 lb increments using an MTS machine. So, for the DAQ, we have two channels.
I have written a code but cannot seem to figure out how to continuously collect the strain data, see attached. Any assistance will be much appreciated. Also, please provide explicit details, as I am still learning LabVIEW and need to understand the process.
We are running the raw strain through a low pass filter to remove excess noise of 60HZ.
If you need any further information from me, please let me know. I am more concerned with ensuring the LabVIEW code can handle the continuous data collection that the process we are utilizing to collect the strain.
Thank you for your assistance!
V/R,
JC
