Dynamic Material Movement Plan Adjustment
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Solution Overview
Problem
Existing material movement plans for machines like dozers and excavators lack flexibility and adaptability, as they are often pre-defined and do not allow for real-time modifications based on changing work site conditions or operator inputs, limiting their operational efficiency and precision.
Innovation Solution
A system comprising an image display device, operator input device, and position sensor, where the controller generates and modifies material movement plans in real-time based on operator inputs and work site conditions, allowing for dynamic adjustments to the operational location and movement of machines at the work site.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If material movement plans are pre-defined and fixed, then planning simplicity is maintained, but operational flexibility and adaptability to changing conditions deteriorate
Solution Approach 1:
The material movement plan is transformed from a static, pre-defined sequence to a dynamic plan that can be modified in real-time. The system allows operational locations to be adjusted during execution based on operator input and changing work site conditions, making the plan adaptable while maintaining a structured framework through the controller's coordination of modifications.
2Ease of operation
If automated autonomous operation is implemented, then operational consistency is improved, but operator control and adaptability to unscheduled conditions deteriorate
Solution Approach 1:
The system incorporates feedback mechanisms where the controller continuously monitors the work site conditions and receives operator input, then uses this feedback to modify the material movement plan in real-time. This allows the autonomous system to adapt to changing conditions while maintaining operator control through the ability to initiate and respond to modifications.
3Productivity
If real-time plan modifications are enabled, then operational precision and efficiency are improved, but system complexity and computational requirements deteriorate
Solution Approach 1:
The material movement plan is segmented into discrete operational locations and tasks that can be independently modified. This segmentation allows the system to make targeted adjustments to specific portions of the plan without requiring complete re-planning, thereby improving efficiency while managing system complexity through modular modifications.
Data Source
AI summary
A system for moving material with a work implement includes an image display device, an operator input device, and a position sensor. A controller is configured to determine a position of a work surface at a work site, display a portion of the work site on the image display device including an operational location at the work area, modify a position of the operational location on the image display device with the operator input device to define a modified operational location, generate a material movement plan based upon the position of the work surface and modified operational location, and generate command instructions to move the machine according to the material movement plan.