An underground mine energy management system includes wireless nodes located at different 3D coordinate positions along travel paths throughout an underground mine, and energy zones are defined between respective pairs of the wireless nodes. A controller is programmed to communicate with a central control office for the mine, a plurality of electric mining vehicles, a plurality of energy storage devices, and a plurality of charging stations operating within the mine, receive data indicative of an energy utilization profile for each of the electric mining vehicles traversing each of the energy zones in one of a loaded or unloaded condition, and an energy storage profile for each of the energy storage devices available to be installed on an associated electric mining vehicle traversing each of the energy zones, determine productivity goals, missions, and prioritized tasks to be performed by each of the electric mining vehicles and each of the energy storage devices, pair each electric mining vehicle with at least one energy storage device based on a determined mission or prioritized task, and generate travel paths made up of a sequence of the energy zones for the paired electric mining vehicles and energy storage devices to complete the determined mission or prioritized task.

A method and system for monitoring a mining shovel having a boom supported by a plurality of suspension cables is disclosed. The method involves receiving accelerometer signals from a plurality of accelerometers, each accelerometer being mounted on one of the plurality of suspension cables. The method also involves processing the accelerometer signals to extract a fundamental frequency associated with vibration of each suspension cable, the fundamental frequency being proportional to a tension in the suspension cable. The method further involves determining changes in the fundamental frequency as a function of time, the changes being indicative of an operating state of the mining shovel.

A method for controlling movement of a movable element of a mining machine includes the steps of providing a relation between control values for a hydraulic valve arranged to affect a movement of the movable element and a parameter representative of the (resulting) movement of the movable element. The method further includes receiving an input representative of a desired movement of the movable element, obtaining a control value for the hydraulic valve based on the relation, and using a parameter value corresponding to the desired movement, operating the hydraulic valve with a control signal using the obtained control value, obtaining, from a feedback mechanism, a feedback relative to the movement of the movable element resulting from operating the hydraulic valve with the control signal, determining a correction value based on the desired movement and the feedback, and updating at least a part of the relation based on the correction value.

A method for training a coal rock interface recognition model is performed by a cloud server. The method includes receiving a sample coal rock distribution and sample multi-modal data from an edge processor, acquiring a sample load state feature based on the sample vibration data and the sample noise data; acquiring a sample cutting feature of a coal rock interface based on the sample video data. The method further includes acquiring a sample load feature for drum cutting based on the sample current data and the sample pressure data; calling the coal rock interface recognition model, and performing a decision-level fusion based on the sample load state feature; and training the coal rock interface recognition model based on the sample predicted coal rock distribution and the sample coal rock distribution to obtain a target coal rock interface recognition model

The present disclosure provides a method and system for monitoring a coal shearer status based on digital twinning, and an electronic device, and relates to the technical field of real-time status monitoring. The method includes: obtaining physical parameters, real-time driving data, and real-time status data of a coal shearer physical entity, where the physical parameters include geometric parameters, material properties, and positional parameters; the real-time driving data includes a real-time position, a real-time speed, and a real-time angle of a rocker arm; and the real-time status data includes real-time vibration information; building a coal shearer digital twin model on a Unity3D engine according to the physical parameters of the coal shearer physical entity; and updating a status of the coal shearer digital twin model based on the real-time driving data and the real-time status data. The present disclosure achieves visual monitoring of a coal shearer status.

A rock-piercing flexible rock drilling robot and a rock breaking method therefor are disclosed. The robot includes a control system, a head, and at least one tail. The head includes a head housing, a propulsion turntable, a drilling mechanism, a hydraulic propulsion system, a first driving mechanism, and a second driving mechanism. The propulsion turntable includes a drill bit located at a center thereof and a cutting turntable arranged around the drill bit. The first driving mechanism is connected to the drill bit, and the second driving mechanism is connected to the cutting turntable. The tail includes a tail housing, an advancing and retreating power system, and a fixed support system. The head and the tail are connected through a flexible component, and the tails are connected through flexible components.

A system for detecting a potential collision between an object and a mining machine, the system comprising: a sensor, a first strobe light and a second strobe light, and an electronic processor configured to identify a virtual perimeter around at least a portion of the mining machine, identify a plurality of collision zones, the plurality of collision zones including at least one immediate collision zone and at least one potential collision zone, receive a signal from a sensor indicating detection of the object in one of the plurality of collision zones, determine, based on the signal, whether the object is in the immediate collision zone or the potential collision zone, generate, in response to determining that the object is in the potential collision zone, a first indication, and generate, in response to determining that the object is in the immediate collision zone, a second indication different than the first indication.

Described herein are technologies for bauxite or kaolin mining operations. A detector is used to detect the presence of a pathfinder element or radioactivity indicating a presence of a rare-earth element. Once the pathfinder element or radioactivity is detected, the mined material is segregated from material mined in which a pathfinder element or radioactivity was not detected. Rare-earth elements are extracted from the segregated material. Once the rare-earth elements are extracted, the material is returned to normal mining operation processing steps.

The invention relates to a milling machine having a replaceable milling drum, different types of milling drums being capable of being associated with the milling machine; and having a control unit for controlling the milling machine, machine parameters of the milling machine being settable by way of the control unit. Provision is made that the milling machine has associated with it at least one means that is designed to detect at least one characteristic feature of the milling drum; that the at least one means is connected to the control unit; and that the control unit is designed to specify for at least one machine parameter, indirectly or directly from the characteristic feature, a value to be set, and/or a setting range. The invention further relates to a corresponding milling drum and to a corresponding method. The milling machine, milling drum, and method allow the selection of machine parameters for operation of the milling machine to be simplified.

This disclosure relates to navigation of an underground mining machine. A laser range finder captures first and second 3D point clouds of first and second overlapping parts of the underground mine from first and second positions of the mining machine respectively. A processor determines a first set of candidates for rock bolts as point feature objects from the first 3D point cloud; determines a second set of candidates for rock bolts as point feature objects from the second 3D point cloud; determines an alignment between first shapes defined by at least two of the first set of candidates for rock bolts and second shapes defined by at least two of the second set of candidates for rock bolts; and determines relative location information between the first position of the mining machine and the second position of the mining machine based on the alignment.