Implement Positioning Guidance via Virtual Copy GUI
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Solution Overview
Problem
In mining applications, operators face difficulties in positioning cutting tools due to obscured line of sight, confined spaces, and dim lighting, making it challenging to accurately place the tool for pattern cutting.
Innovation Solution
A system comprising a graphical user interface (GUI) and a controller that determines the current location of the implement relative to the target location and displays a symbol in various states, indicated by illuminated portions, to guide the operator accurately, even when the target is partially or completely obscured.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the operator positions the cutting tool manually in obscured conditions, then the system complexity remains low, but the positioning precision deteriorates
Solution Approach 1:
The patent creates a virtual copy of the physical work environment displayed on the GUI, showing the implement position, target location, and work surface geometry. This virtual representation allows the operator to see and position the implement accurately without direct line-of-sight to the physical location, resolving the contradiction by providing precise positioning information through digital copying rather than direct observation.
Solution Approach 2:
The system introduces a graphical user interface as an intermediary between the implement and the operator. The GUI displays symbolic representations (icons, graphics) that mediate the operator's understanding of implement position and guide accurate positioning, eliminating the need for direct visual contact with the obscured implement while maintaining high positioning precision.
2Measurement precision
If the operator works close to the machine for precise positioning, then the positioning accuracy improves, but the safety deteriorates due to exposure to falling/flying rock
Solution Approach 1:
The system allows the operator to work remotely by creating and manipulating a virtual copy of the work environment on the GUI. The operator can achieve precise implement placement accuracy without being physically close to the machine or exposed to falling/flying rock, as all positioning information is presented through the graphical interface rather than direct visual observation.
Solution Approach 2:
The graphical user interface acts as an intermediary that decouples the operator's physical location from the implement's work location. The operator can remain in a safe position while the GUI provides real-time feedback and guidance for precise implement placement, eliminating the need to expose the operator to harmful factors by working close to the machine.
3Ease of operation
If the operator works in confined, dimly lit areas to position the implement, then the positioning capability is maintained, but the operator comfort and safety deteriorate
Solution Approach 1:
The system creates a well-lit virtual copy of the work environment on the GUI that is independent of the actual physical lighting conditions. The operator can perform implement positioning operations in a brightly lit control environment while the physical work area remains in its original dimly lit state, eliminating the need for the operator to work in poor lighting conditions while maintaining full positioning capability.
Data Source
AI summary
A system and method for guiding an implement on a machine to a target location is disclosed. The system comprises a GUI and a controller in operable communication with the GUI. The controller is configured to: (a) determine a current location of the implement relative to the target location on the work surface; and (b) display on the GUI a symbol in one of a plurality of states, each state associated with one or more locations of the implement relative to the target location. The state in which the symbol is displayed is indicative of the current location of the implement relative to the target location and each state is identified by at least one illuminated portion of the symbol. The controller is further configured to: (c) repeat (a) and (b) each time the implement is moved to a new current location.