Rotortuner RT-JEM
RT-JEM has been developed to meet engine manufacturers' exacting requirements for run-up, run-down, and steady-state vibration monitoring.
Description
The RT-JEM is specifically configured at build to accommodate individual engine design characteristics, and test criteria using FPGA technology. Different transducer types are supported with specific built-in signal conditioning modules. For operators of the existing Rotortuner 2000 (utilising the latest Voyager terminal) or Rotortuner 5JS+ the RT-JEM shares the same user interface permitting engine tests to be integrated with RTB activities. The RT-JEM may also be used independently, using the touch screen ‘voyager’ interface for monitoring installed engines, or through a PC interface for Engine Test House installations.
With full 4x4 tachometer/transducer channel mapping and simultaneous data acquisition capability, the RT-JEM supports consecutive data collections from two 2x2 equipped engines, without hardware transfer during a single start on each engine.
The run-up and run-down data are presented live to the operator during acquisition. The plots may be displayed with respect to the chosen tachometer input together with overall filtered RMS broadband levels, or Order 1 values being displayed from each transducer.
On completion of the test, the parameters and levels are validated against the test criteria, and a Pass/Fail report is generated.
The RT-JEM stores the processed data in the system ‘Test Card’. It also supports, if required, the storage of the raw data for subsequent re-analysis within the RT-JEM itself, or using RT-Vision.
A schematic of an example system is shown below:
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