Hydraulic Support Pose Control for Real-Time Roof Attachment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing monitoring solutions for hydraulic supports in underground mining fail to provide real-time feedback and accurate control over the supporting pose, leading to inadequate roof control and subsidence management.
Innovation Solution
A monitoring and controlling method that uses prop level sensors, angle sensors, and area array laser sensors to establish mathematic models for pose monitoring and control, employing interpolation algorithms like genetic and particle swarm algorithms to determine and adjust the hydraulic support's pose parameters, enabling real-time monitoring and control of the support's position and roof attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing monitoring solutions are used for hydraulic supports, then monitoring of supporting pose can be achieved, but real-time feedback and accurate control cannot be provided
Solution Approach 1:
The patent implements a closed-loop feedback system where pose parameters (angle of height, angle of roof attachment, angles of inclination) are continuously monitored through mathematical models and interpolation algorithms, and control signals are automatically generated to adjust hydraulic support pose in real-time, resolving the contradiction between measurement precision and real-time feedback capability
Solution Approach 2:
The patent pre-establishes mathematical models relating length parameters to angle parameters, and pre-develops interpolation algorithms (genetic algorithm, particle swarm algorithm) to quickly calculate target pose parameters when roof subsidence is detected, enabling rapid real-time control without complex on-the-spot computations
2Reliability
If hydraulic supports are used to support roofs, then safe working space can be ensured, but roof exposure occurs for long after cutting actions
Solution Approach 1:
The system continuously monitors the supporting pose and roof condition, providing real-time feedback that enables the hydraulic support to quickly respond to roof subsidence after cutting actions, significantly reducing roof exposure time while maintaining continuous safe support
Solution Approach 2:
The patent makes the hydraulic support pose dynamic and adjustable through real-time control. The support can automatically adjust its angle of height and angle of roof attachment in response to changing roof conditions, enabling rapid response to roof subsidence and reducing exposure time compared to static support systems
3Ease of operation
If ground control center wants to carry out virtual visual control, then remote intervention is needed, but correspondence between pose and support parameter is missing
Solution Approach 1:
The patent introduces mathematical models as intermediaries that translate physical pose parameters (angles of height, roof attachment, inclination) into meaningful support state information. These models serve as a bridge between the hydraulic support physical state and the ground control center's virtual visual interface, enabling accurate remote monitoring and control without information loss
Data Source
AI summary
A monitoring and controlling method for a supporting pose of a hydraulic support includes reading length parameters of props; establishing a pose monitoring mathematic model; based on an interpolation algorithm, obtaining pose parameters including associated pose parameters of an angle of height, an angle of roof attachment, and angles of inclination of the props. The method further includes based on the support pose monitoring process, determining a current supporting pose; obtaining a contour line of a roof above the support, and determining a bulging edge of the roof; obtaining a height difference of a support canopy and the roof; calculating a target height and a target angle of roof attachment of the hydraulic support; based on a pose control mathematic model, calculating a target angle of height of the support; and substituting the target parameters into the pose monitoring mathematic model to solve target lengths of the props.