Automated Dump Routine for Material Transfer Vehicles
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Solution Overview
Problem
The existing road paving process is inefficient due to manual coordination of material delivery, leading to inconsistencies in asphalt temperature and application rate, resulting in suboptimal road quality and increased labor costs, as it relies heavily on human judgment for timing and initiation of the dump routine in material transfer vehicles (MTVs).
Innovation Solution
An automated system for initiating, executing, and terminating the dump routine in MTVs, using sensors and controllers to monitor and manage fill levels, timing, and travel factors, eliminating the need for a dedicated dump operator and optimizing material supply to paving machines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual coordination of material delivery is used, then labor flexibility is maintained, but paving operation efficiency and consistency deteriorate
Solution Approach 1:
The MTV is equipped with sensors and controllers that enable it to autonomously monitor its own material levels, initiate dump routines, and coordinate with the paver without requiring manual intervention from a dump operator. The system self-manages the material transfer process, improving efficiency while maintaining reasonable complexity through integrated control systems.
2Ease of operation
If a dedicated dump operator is employed, then material transfer can be manually controlled, but labor costs and operational complexity increase
Solution Approach 1:
The patent replaces the manual mechanical operation of material transfer control with an automated electronic control system. Sensors detect material levels and conveyor status, while controllers automatically initiate and manage dump routines, substituting human judgment and manual control with automated sensing and actuation systems.
3Manufacturing precision
If automated dump routine initiation is implemented, then consistency and precision of material delivery improve, but system complexity and initial costs increase
Solution Approach 1:
The MTV incorporates sensors that continuously monitor material levels in the hopper and conveyor status. This feedback information is fed to controllers that automatically adjust the timing and execution of dump routines, ensuring precise material delivery coordination with the paver's consumption rate while managing system complexity through closed-loop control.
Solution Approach 2:
The automated system proactively monitors material levels and initiates dump routines before the hopper becomes empty, rather than reacting to empty conditions. This preliminary action ensures continuous material supply to the paver, improving delivery precision and preventing operational interruptions.
4Reliability
If manual monitoring of hopper fill levels is used, then system simplicity is maintained, but material supply consistency and paving quality deteriorate
Solution Approach 1:
Manual visual monitoring of hopper fill levels is replaced with automated sensors that continuously detect material levels and conveyor status. This substitution provides reliable, consistent monitoring data to the control system, ensuring timely initiation of dump routines and maintaining steady material supply to the paver without requiring manual observation.
Data Source
AI summary
A method and means to manage timing and delivery of paving material to refill a paver during a paving operation is provided. The invention employs a semi-automated dump routine to manage the level and condition of material in the dump hopper of the material transfer vehicle (MTV) thereby minimizing flaws in the roadbed otherwise expected. Further, the invention provides for monitoring and managing multiple operational data pertaining to delivery of material related to the paving process to determine and coordinate timing of travel and delivery of the paving material to increase optimal conditions of the paving material to minimize road and pavement defects.