Lead Rail Vehicle Drone Coordination for Track Maintenance
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Solution Overview
Problem
Current track maintenance operations require human operators, leading to high costs and safety risks due to the need for manual identification and operation of maintenance vehicles, which can be hazardous when operators need to disembark.
Innovation Solution
A system comprising a lead vehicle with a human operator and one or more drone vehicles that perform track maintenance operations, where pre-marked sections are identified and coordinates are transmitted to the drone vehicles to perform tasks such as tie repair and tamping, reducing the need for human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If human operators are used to control track maintenance vehicles, then operational flexibility and decision-making capability are improved, but safety risks and operational costs increase
Solution Approach 1:
The system divides the maintenance fleet into a lead vehicle with human operator and multiple drone vehicles without operators. The lead vehicle segments the decision-making function while drone vehicles execute automated operations, separating safety-critical functions from routine maintenance tasks.
Solution Approach 2:
The lead vehicle acts as an intermediary between human operators and drone vehicles. It receives maintenance requests, processes them through coordination system 104, and translates them into automated drone operations, reducing direct human exposure to hazardous environments.
2Adaptability or versatility
If human operators control maintenance vehicles, then complex decision-making is improved, but operational costs and safety risks worsen
Solution Approach 1:
The system segments operations so that only one human operator is needed per lead vehicle to manage multiple drone vehicles. This reduces the number of human operators required compared to having one operator per maintenance vehicle, lowering labor costs while maintaining adaptability.
Solution Approach 2:
The lead vehicle serves multiple functions: it performs its own maintenance operations and coordinates multiple drone vehicles. This multi-functionality increases operational versatility while reducing the total number of human operators needed across the fleet.
3Ease of operation
If operators need to disembark during operations, then hands-on maintenance capability is improved, but safety risks increase
Solution Approach 1:
The system extracts the operator from the maintenance vehicles that perform hands-on work. Drone vehicles execute maintenance operations without operators, eliminating the need for disembarking while completing the same maintenance functions through automated workheads.
Solution Approach 2:
Drone vehicles are equipped with automated workheads that perform maintenance operations independently without human intervention. The vehicles self-navigate to marked locations and execute maintenance tasks autonomously, eliminating safety risks associated with operator disembarking.
4Productivity
If multiple operator-controlled vehicles are used, then maintenance coverage is improved, but operational costs and coordination complexity increase
Solution Approach 1:
The system segments the maintenance fleet into one lead vehicle and multiple drone vehicles. This segmentation allows expanded maintenance coverage through additional drones while centralizing coordination functions in the lead vehicle, reducing overall system complexity compared to multiple independent operator-controlled vehicles.
Solution Approach 2:
Coordination system 104 acts as an intermediary that manages communication and coordination between the lead vehicle and multiple drone vehicles. It handles task allocation, position tracking, and collision avoidance automatically, reducing the coordination burden on human operators.
Data Source
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AI summary
A system for performing track maintenance operations is described. The system includes a lead vehicle for identifying sections of rail that have been pre-marked for track maintenance operations. The lead vehicle further includes a control system for receiving and transmitting coordinates of the pre-marked track sections. The system further includes at least one drone vehicle for receiving the coordinates from the control system and the drone vehicle has at least one workhead for performing track maintenance operations on the pre-marked track sections.