Vehicle and vehicle management system

JP2025062849A5Pending Publication Date: 2026-06-19HITACHI CONSTRUCTION MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
HITACHI CONSTRUCTION MACHINERY CO LTD
Filing Date
2023-10-03
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

In ultra-large dump trucks used in open-pit mines, the frequent need for battery charging due to high energy consumption disrupts continuous transport operations, leading to potential power shortages and reduced productivity.

Method used

A vehicle management system that includes a power receiving device, a power storage device, a position sensor, a load sensor, and a control device. The control device calculates the return energy amount and predicts the remaining battery level along the travel route, allowing for real-time adjustments to the driving plan to ensure sufficient charging and prevent power shortages.

Benefits of technology

The system effectively prevents power shortages and maintains productivity by dynamically adjusting the driving plan based on real-time energy availability, even in the presence of disturbances such as changes in load or terrain.

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Abstract

To provide a vehicle and a vehicle management system which, when a remaining battery level of a vehicle falls below a planned level due to disturbance, can prevent electricity from running out while suppressing deterioration of productivity.SOLUTION: Before a vehicle 20 starts to run on a running route from a charging point at which a power supply device 50 is installed to a predetermined destination, a control device 31 calculates feedback electric energy that is electric energy required for the vehicle to run from each point to the charging point, on the running route, on the basis of map data and the carrying capacity of the vehicle 20; calculates predicted electric energy that is a remaining battery level of a power storage device 29 at each point on the running route, from the current position of the vehicle 20 to the predetermined destination, during running of the vehicle 20 toward the predetermined destination on the running route; and when there is a point at which the predicted electric energy falls below the feedback electric energy, among points on the running route from the current position to the predetermined destination, changes the destination of the vehicle 20 from the predetermined destination to another destination.SELECTED DRAWING: Figure 2
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