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This is a good example of how LabJack devices are used in the wild. Martin Beck, an engineer working with VE Engineers in Germany, employed the T7-PRO for data acquisition within a dynamometer. The dynamometer is used to measure the output from a stirling engine.
A view of the electronics enclosure on the side of the engine/dyno.
The engine setup
Another view
Close-up of the engine
The heat source for the stirling engine exposed for viewing.
Much information is derived from the acquired data, such as thermal and mechanical power, efficiency, etc. Quite a few graphs are automatically generated, such as high speed data over time and over crankshaft angle; p-over-V diagram; Power, Torque, Efficiency over velocity, etc.
The application was programmed in LabVIEW using the LJM Library and LJM LabVIEW example code. Other active components are a frequency inverter from SEW-Eurodrive and a temperature controller from Watlow, both with Modbus/TCP interfaces. This makes a very neat system concept, with just one Ethernet cable coming out of the machine for the entire control and data acquisition.
2 comments
Videos on YouTube...
Videos are not really great, but here you can see the biest in action:
https://www.youtube.com/watch?v=O3KqTUR5y9g
https://www.youtube.com/watch?v=NLDJTWXv0Rc
Enjoy!
Greetings from Germany,
Martin
Thank you for the videos.
Thank you for the videos.