Paving Machine Controller Logging Manual Interventions
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current paving machines lack effective tracking and recording of manual interventions by operators, which can compromise the integrity of the asphalt mat, leading to premature degradation and defects that are not immediately apparent, resulting in repetitive errors and unnecessary replacements.
Innovation Solution
A surface work machine equipped with a traction device, operator controls, and a controller that detects actuation of these controls, automatically operates components in auto mode, and records information on manual operations to track and log any deviations from automated settings, ensuring that manual interventions are documented and their impacts on the mat quality are monitored.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual interventions are allowed during automated paving operation, then operational flexibility and ability to address arising conditions are improved, but mat quality consistency deteriorates due to operator actions that may cause defects
Solution Approach 1:
The system implements feedback by continuously monitoring operator control actuations during automated operation and recording them with contextual data. This feedback loop allows the system to track when manual interventions occur, what parameters were changed, and what the impact was on mat quality, enabling continuous improvement of operating procedures and operator training.
Solution Approach 2:
The control system acts as an intermediary between the automated paving operation and manual operator interventions. It detects control actuations, determines whether they constitute manual interventions during auto mode, and records them with relevant operational data. This intermediary function allows the system to maintain automated operation while capturing information about necessary manual corrections.
2Device complexity
If manual operations are not tracked and recorded, then device complexity is reduced, but loss of information occurs regarding operator actions that may compromise mat integrity
Solution Approach 1:
The control system performs self-service by automatically detecting, recording, and storing information about manual interventions without requiring separate tracking equipment or manual documentation by operators. The existing control system monitors its own operation mode and control actuations, capturing data about when and what manual changes were made during automated paving.
3Reliability
If comprehensive tracking of manual operations is implemented, then mat quality and longevity are improved through timely diagnosis and prevention, but device complexity increases due to additional monitoring and recording requirements
Solution Approach 1:
The control system performs multiple functions using the same hardware and software resources. It continues to perform its primary function of controlling paving machine operations while simultaneously detecting manual interventions, recording operational data, and storing intervention information. This multi-functionality avoids the need for separate dedicated tracking equipment, minimizing additional complexity while achieving comprehensive monitoring.
Data Source
AI summary
Methods and apparatus for tracking manual operations during automatic control of a surface-engaging operation, such as laying a mat on a paving surface, include automatically operating a plurality of components to perform the surface-engaging operation without the actuation of corresponding operator controls. Actuation of the operator controls and actuation of the corresponding components to perform a manual operation can occur during the automatic operation. Information corresponding to the manual operation is recorded in response to detecting actuation of the operator controls and determining that the automatic operation of the machine is occurring.