Work Machine Control for Automated Digging Wall Removal
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Solution Overview
Problem
Current systems for controlling work machines, such as bulldozers, lack automated control methods for digging and removing digging walls formed between slots, which are essential in slot dozing operations.
Innovation Solution
A processor-controlled system that selectively executes normal digging and wall digging modes, acquiring starting edge position data to determine the digging starting position and control the work machine to automatically dig the digging wall, enabling precise and automated removal of digging walls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automatic control is implemented for digging digging walls, then productivity and operational efficiency are improved, but device complexity increases due to the need for additional control systems and sensors
Solution Approach 1:
The control system integrates multiple functions into a single automated control unit that can perform both normal slot dozing operations and digging wall removal operations. The work machine's existing control system is enhanced to universally handle different work modes (normal digging and wall digging) through a unified control architecture, reducing the need for separate dedicated systems for each function.
Solution Approach 2:
The automated control system uses the work machine's own sensors and existing structural components to detect digging wall positions and determine digging starting positions. The system leverages data already being collected by the machine's navigation and topography sensors, eliminating the need for entirely separate detection systems and reducing overall device complexity.
2Manufacturing precision
If automated control system is added to detect and dig digging walls, then manufacturing precision and digging accuracy are improved, but device complexity increases due to additional sensors and control mechanisms
Solution Approach 1:
The control system integrates multiple functions into a single automated control unit that can perform both normal slot dozing operations and digging wall removal operations. The work machine's existing control system is enhanced to universally handle different work modes (normal digging and wall digging) through a unified control architecture, reducing the need for separate dedicated systems for each function.
Solution Approach 2:
The control system continuously receives feedback from sensors regarding the actual position of the work implement, the detected digging wall location, and the current machine position. This feedback is used to automatically adjust the work implement's position and digging depth in real-time, ensuring high digging accuracy without requiring overly complex manual control mechanisms.
3Loss of time
If manual operation is used for digging digging walls, then device complexity remains low, but loss of time and operational efficiency deteriorate
Solution Approach 1:
The system performs preliminary detection of digging walls using sensors and navigation data before the actual digging operation begins. The control system pre-calculates the digging starting position and plans the digging path in advance, allowing the work machine to transition smoothly and efficiently into the digging phase without time-consuming manual assessment and positioning.
Solution Approach 2:
The automated control system maintains continuous operation by seamlessly transitioning between normal slot dozing and digging wall removal modes. The system continuously monitors for digging walls and immediately initiates automated digging operations when detected, eliminating idle time and ensuring continuous productive action without requiring the machine to stop for manual intervention.
Data Source
AI summary
A system automatically controls a work machine including a work implement. The system includes a processor. The processor controls the work machine by selectively executing a normal digging mode in order to dig an actual topography at a work site, and a wall digging mode in order to dig a digging wall formed between a plurality of slots by digging the actual topography. When the wall digging mode is executed, the processor acquires starting edge position data indicative of a position of a starting edge of the digging wall. The processor determines a digging starting position based on the position of the starting edge of the digging wall. The processor controls the work machine to dig the digging wall from the digging starting position.