Table 1 Sensor and test equipment parameters.
From: Denoising research of shearer picks load signal based on MPE-VMD algorithm
Name | Parameter | Value |
|---|---|---|
DH1210 type strain sensor | Sensitivity coefficient | 1.8 ~ 2.2 |
Sensitivity coefficient dispersion | ≤ ± 2% | |
Sensitive grid material | Constantan | |
Temperature range | − 30 ℃ ~ + 60 ℃ | |
Resistance value | 120 Ω | |
Wireless strain acquisition module | Number of channels | 16 |
Dimensions | 300 mm ×42 mm×140 mm | |
Temperature range | -40℃ ~ + 70℃ | |
Maximum communication distance | 600Â m | |
Wireless RF frequency | 2.4Â GHz | |
Wireless gateway | Data storage space | 500Â MB |
Dimensions | 210 mm × 150 mm × 60 mm | |
Wireless RF frequency | 2.4Â GHz | |
Maximum communication distance | 600Â m |
