Vehicle Relocation Simulation Using Port-Specific Work Time
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Solution Overview
Problem
Existing relocation simulation systems in shared traffic services, such as car sharing systems, lack accuracy in predicting vehicle movements and optimizing vehicle relocation between ports.
Innovation Solution
A simulation device that calculates work time in relocation ports and simulates vehicle relocation based on this time to improve simulation accuracy, using a calculation unit to determine optimal relocation ports and vehicle numbers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If relocation simulation is performed without considering work time variations at different ports, then the simulation process is simple and fast, but the simulation accuracy of vehicle movement is low
Solution Approach 1:
The patent applies local quality by introducing port-specific work time parameters that vary across different relocation ports. Each port has its own characteristic work time based on local conditions such as terrain, distance, and operational constraints. This allows the simulation to accurately reflect local variations in relocation efficiency without requiring a complete overhaul of the simulation framework, thereby improving simulation accuracy while maintaining manageable complexity.
2Measurement precision
If work time at each relocation port is considered in the simulation, then the simulation accuracy of vehicle movement is improved, but the calculation complexity increases
Solution Approach 1:
The patent implements preliminary action by pre-calculating and storing work time parameters for each relocation port before the actual simulation runs. These port-specific work times are determined based on historical data, geographic information, and operational characteristics. During simulation execution, the pre-computed work times are directly applied without requiring real-time calculations, thus improving simulation accuracy while minimizing additional calculation time.
3Productivity
If uniform work time is assumed for all relocation ports, then the simulation is computationally efficient, but the relocation strategy effectiveness is reduced
Solution Approach 1:
The patent applies parameter changes by transitioning from a uniform work time parameter to port-specific work time parameters. Each relocation port is assigned a distinct work time parameter that reflects its unique characteristics such as terrain difficulty, distance from central hub, and local operational constraints. This parameter differentiation enables the simulation to generate more reliable relocation strategies that account for varying port conditions, while the structured parameter management maintains computational efficiency.
Data Source
AI summary
A simulation device is a device that simulates movement of a vehicle between a plurality of ports in a shared traffic service and includes a calculation unit that calculates a work time in a relocation port that is a port to be a target of relocation of the vehicle and simulates the relocation based on the work time.


