Aerospace

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A precision machine shop was building a test stand to test precision valves for an aerospace application. They needed data acquisition software that could monitor valve position, mass flow of the fluid, fluid temperature, and fluid pressure. The software needed to graph mass flow rate vs. position and pressure vs. position respectively. They also needed the capability to save reports containing the current readings of the sensors and screen shots of the graphs.

 

We developed a custom LabVIEW program the met all of the above requirements. The program we developed contained a user interface that was intuitive for the operator and easy to use. An advanced option menu was created so the user could enter upper and lower bounds on the graphs. This was done so the operator could easily determine if the valve was operating under acceptable conditions. The user could also save the profiles created and load them in at a later time. We also created tabs that contained full screen graphs of the data of interest. Finally we recommended data acquisition cards, signal conditioning, and cabling that would work well with what the existing test stand.

The software we developed enabled the machine shop to quickly, and economically test the valves that they produced. It saved them countless time, and money due to the fact they could test the valves in house and not have to send them out to be tested. They were also able to attach easy to read reports of the valves they sent out proving that they operated within accepted tolerances.

 

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