JACIII Vol.26 No.3 pp. 367-374
doi: 10.20965/jaciii.2022.p0367


Accurate Measurement Method of Drilling Depth Based on Multi-Sensor Data Fusion

Yafeng Yao*,**, Ningping Yao**,†, Chunmiao Liang*,**, Hongchao Wei*,**, Haitao Song**, and Li Wang*,**

*China Coal Research Institute
Chaoyang District, Beijing 100013, China

**CCTEG Xi’an Research Institute
No.82, Jinye 1st Rd., Xi’an, Shaanxi 710077, China

Corresponding author

December 28, 2021
February 28, 2022
May 20, 2022
drilling depth, real-time measurement, data fusion, adaptive weighted fusion, drilling rig

Based on the advanced detection drilling rigs used in underground coal mines, a real-time method of obtaining the depth of drilling is proposed. Displacement sensors are used to measure the stroke of the drilling rig’s feeding device during drilling, and an equation to calculate the depth of drilling is put forward. The same measurements are made by several sensors, improving measurement accuracy and reliability. The final drilling depth is obtained using a multi-sensor data fusion algorithm, combined with the calculation equation. The necessary derivation and calculation processes of the multi-sensor, adaptive weighted fusion algorithm are given. To optimize the integrated result, the weighting coefficients can be found through the algorithm corresponding to each sensor in an adaptive mode to optimize the fusion result. Three kinds of displacement sensors are installed on the feeding device of the drilling rig, and the drilling process is simulated in a laboratory test. The test proves that, compared with the mean method of three sensors, the data obtained by the multi-sensor and adaptive weighted fusion algorithm have the higher accuracy, and the sensor with the least variance in the fusion process has the most significant weighting coefficient. The drilling depth data that are obtained are more accurate than those obtained through the mean method with measurement data from a single sensor. The weighted coefficient of the measurement data is minimal when the measurement accuracy of the sensor suddenly deteriorates, so it has little effect on the measurement results. An experiment verifies this method’s effectiveness and fault tolerance, showing an improvement in measurement accuracy.

Cite this article as:
Y. Yao, N. Yao, C. Liang, H. Wei, H. Song, and L. Wang, “Accurate Measurement Method of Drilling Depth Based on Multi-Sensor Data Fusion,” J. Adv. Comput. Intell. Intell. Inform., Vol.26 No.3, pp. 367-374, 2022.
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Last updated on Jun. 03, 2024