Research Article

Integration of Networks of Sensors and Electronics for Structural Health Monitoring of Composite Materials

Table 3

Acoustic emission system settings.

PCI-2 PAC system settings

Distance between the sensors50 mm
Number of sensors2–4
PDT (peak definition time)50  sec
HDT (hit definition time)300  sec
LDT (lock out definition time)800  sec
Threshold30–33 dB
Preamplification40 dB
Sampling rate2 MS/s