Regarding the specific target application of our system, which is performing multichannel vibration and impact tests in mechanical engineering, many other previous works describe DAQs for inertial units based on Microelectromechanical Systems (MEMS) technology, piezoelectric accelerometers and incremental quadrature encoders. For example, fatigue-induced crack diagnostics in gears is studied in [3] by means of quadrature encoders read through off-the-shelf National Instruments DAQ boards. Only one sensor type is employed in those tests, hence the lack of discussion about the synchronization of different sensor types. In [4], two biaxial MEMS accelerometers (ADXL210) are sampled with a commercial DAQ (Biomedical Monitoring BM42) at 1 kS/s, apparently without simultaneous sampling of all channels.
CRACK 8Dio
2ff7e9595c
Comments