Fuel Cell Vehicle Route Assignment for Balanced Degradation
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Solution Overview
Problem
The performance of fuel cells in vehicles deteriorates when subjected to continuous high-load demands, particularly when driving uphill, leading to uneven degradation across multiple vehicles, which complicates maintenance scheduling.
Innovation Solution
An information processing apparatus and method that equalizes fuel cell deterioration by preferentially assigning operation routes with lighter loads to vehicles with higher degrees of deterioration, using a controller to analyze usage history data and estimate deterioration based on current-voltage characteristics and road conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If fuel cell vehicles are assigned operation routes based on operational needs, then productivity is improved, but fuel cell deterioration becomes uneven across vehicles
Solution Approach 1:
The system changes the assignment parameters by incorporating fuel cell deterioration degree as a key factor. The controller adjusts route assignments based on real-time deterioration parameters, transitioning from pure operational efficiency criteria to a balanced approach that considers both productivity and durability uniformity across the fleet.
Solution Approach 2:
The system implements a feedback mechanism where the controller continuously monitors fuel cell deterioration degree from usage history data and current-voltage characteristics. This feedback loop enables dynamic adjustment of route assignments to compensate for uneven deterioration, ensuring that vehicles with higher deterioration receive more favorable route assignments.
2Reliability
If maintenance scheduling is performed for multiple fuel cell vehicles, then reliability is improved, but management complexity increases due to uneven deterioration
Solution Approach 1:
The system simplifies maintenance scheduling by using deterioration degree as a unified parameter for all vehicles. Instead of managing complex individual maintenance schedules based on varying usage patterns, the controller uses a standardized deterioration metric to determine maintenance timing, reducing scheduling complexity while maintaining reliability.
Solution Approach 2:
The system creates equipotentiality in the fleet by equalizing deterioration levels across all vehicles through balanced route assignments. This approach ensures that all vehicles reach similar deterioration thresholds simultaneously, enabling synchronized maintenance schedules and simplifying fleet management.
3Power
If fuel cells are subjected to continuous high-load demands, then power output is improved, but fuel cell deterioration accelerates
Solution Approach 1:
The system dynamically adjusts the power load distribution across the fleet based on real-time deterioration monitoring. Instead of static high-load operation, the controller modulates operational demands according to each vehicle's deterioration state, allowing high power output when needed while preventing excessive cumulative stress that would accelerate degradation.
Solution Approach 2:
The system implements periodic monitoring and adjustment cycles where the controller assesses fuel cell performance and deterioration at regular intervals. This periodic action allows the fleet to operate at high power levels during assessment intervals while ensuring that no single vehicle accumulates excessive wear, balancing power output with service life extension.
Data Source
AI summary
An information processing apparatus includes a controller. The controller executes an assignment process to preferentially assign an operation route that places a smaller load on a fuel cell among a plurality of operation routes to a fuel cell vehicle including a fuel cell that has a higher degree of deterioration among a plurality of fuel cell vehicles.