Mobile Machine Path Control for Uniform Terrain Compaction
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Solution Overview
Problem
Existing worksite management systems fail to efficiently coordinate the operation of non-compactor mobile machines to enhance terrain compaction, leading to over-compaction in some areas and under-compaction in others, thereby reducing the efficiency of worksite development.
Innovation Solution
A worksite management system equipped with local topography detectors and an electronic controller that adjusts the travel paths of non-compactor mobile machines based on the detected state of compaction, directing them to areas of lesser compaction to improve overall terrain surface compaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If non-compactor mobile machines operate without coordinated path management, then they can perform their primary functions freely, but they cause uneven compaction with over-compaction in some areas and under-compaction in others
Solution Approach 1:
The system continuously monitors the compaction state of the terrain surface and uses this feedback information to dynamically adjust the travel paths of mobile machines. Sensors detect compaction levels in real-time, and this data is fed back to the path management system which then redirects machines to areas needing compaction, ensuring uniform compaction across the worksite.
Solution Approach 2:
The path management system pre-plans and organizes travel paths for mobile machines based on detected compaction needs before machines arrive at specific areas. By anticipating which areas require compaction and preparing optimized paths in advance, the system prevents uneven compaction before it occurs.
2Manufacturing precision
If dedicated compactor machines are used to achieve desired compaction levels, then compaction quality is improved, but the number of machines required and operational time increase
Solution Approach 1:
The system enables non-compactor mobile machines to perform dual functions: their primary function and an auxiliary compaction function. By coordinating these machines' travel paths to intentionally pass over under-compacted areas, the system utilizes their weight for compaction purposes, eliminating the need for dedicated compactor machines and improving overall worksite productivity.
3Manufacturing precision
If multiple passes by mobile machines are used to improve compaction, then compaction quality increases, but fuel consumption and operational time increase
Solution Approach 1:
The path management system dynamically adjusts travel paths based on real-time detection of compaction levels. Instead of forcing all machines to complete predetermined multiple passes regardless of actual compaction needs, the system adapts paths dynamically, directing machines only to areas that require additional compaction. This reduces unnecessary repetitions and optimizes fuel consumption while maintaining compaction quality.
Data Source
AI summary
A worksite management system directs one or more mobile machines to enhance the compaction of the terrain surface about a worksite. One or more local topography detectors that may be located on a non-compactor mobile machine measures the state of compaction of the local topography proximate to the mobile machine. An electronic controller that may be onboard the mobile machine detects if the detected state of compaction corresponds to a first topography area associated with a greater state of compaction and, if so, directs the mobile machine to a second topography area associated with a lesser state of compaction.