Geotechnical monitoring and instrumentation play a key role to assess the safety and
performance of the geotechnical structures. Conventionally used electrical instruments …

Surrounding rock control and support stability in the process of coal seam mining in ultra-
large height mining face are the key to normal mine operation. In this study, the roof …

The hydraulic support group is often skewed during the propulsion process, but the existing
technology cannot autonomously adjust its position and attitude according to the actual …

Hydraulic supports are important equipment used in coal mining. Detecting the real-time
attitude and straightness of hydraulic support group in unmanned working faces of coal …

高压大流量水基比例方向阀是煤矿液压支架实现智能化的核心控制元件, 关系到整个工作面的
精准控制效果和支护安全性. 提出一种新型三芯随动式水基比例阀, 解决现有水基比例阀难以 …

One of the crucial problems being faced by wireless system designers is experimental
understandings of the electromagnetic (EM) wave propagation in high stress environments …

The fusion technology of wide-angle ultrasonic sensor and inclination sensor is applied to
the attitude monitoring of advanced hydraulic support in the harsh underground …

Considering that existing hydraulic support groups in coal mining can neither adapt to the
surrounding rocky environment and nor effectively verify the reliability of the virtual …

A surface-mounted tilt sensor was designed and fabricated to measure the inclination angle
of engineered structures or slopes in two directions. The device utilizes two strain-sensitive …

The hydraulic support is the key equipment of surrounding rock support in a stope, and thus
monitoring the attitude of the hydraulic support has an important guiding role in the support …