Control method and control system

By setting unit times to ensure integer values, the control method and system address the increased calculation load in movement planning for moving objects, achieving efficient and accurate travel plans.

WO2025243589A1PCT designated stage Publication Date: 2025-11-27MURATA MASCH LTD
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Patent Information

Application Number
PCT/JP2025/000899
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-24
Filing Date
2025-01-14
Publication Date
2025-11-27

AI Technical Summary

Technical Problem

Existing systems face increased calculation load when deriving movement plans for moving objects due to the need to consider behavior such as acceleration, which is exacerbated by shortening time intervals.

Method used

A control method and system that sets unit times so that travel times divided by this unit time result in approximately integer values, allowing for accurate calculation and reducing computational load by ensuring the unit time does not become unnecessarily small.

Benefits of technology

This approach reduces calculation load by setting optimal unit times, enabling accurate travel planning for moving objects within areas defined by multiple sections.

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Abstract

This control method comprises: calculating each of the travel times required for a moving body 13 to travel between adjacent sections, on the basis of a plurality of travel relationship values relating to the moving body 13; setting a unit time such that all of the values obtained by dividing each of a plurality of required travel times by the unit time are approximate integer values; and deriving a travel plan for the moving body 13 so that the moving body 13 is located in one of the sections every unit time.
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Citation Information

Patent Citations

  • Running control method for traveling object

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  • Highway system for autonomous vehicles

    US20190317523A1

  • Path planning device, path planning method, and computer-readable recording medium

    WO2020157990A1