Remote Vehicle Routing for Abnormality Diversion in Factory Flow

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Solution Overview

Problem

In unmanned vehicle production, moving objects with abnormalities can interfere with subsequent work steps, leading to inefficiencies and potential damage, as existing technologies lack effective mechanisms to divert or address abnormal vehicles during the production process.

Innovation Solution

An unmanned driving system that includes a remote control unit and an information acquisition unit to detect abnormalities in vehicles, allowing for the diversion of potentially abnormal vehicles to a separate work station for repair before proceeding to the next production step, thereby preventing interference with subsequent work.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the moving object is moved to the second place for the second work, then the production process continues, but abnormal moving objects may interfere with subsequent work steps

Engineering Contradiction:
Improveproduction process continuityVSAvoidwork step interference prevention
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The system performs preliminary detection of abnormalities in moving objects before they reach the second place for the second work. By detecting abnormalities in advance and diverting affected objects to a third place, the system prevents potential interference with subsequent work steps while maintaining continuous production flow for normal objects.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If all moving objects proceed to the second place, then production efficiency is maintained, but abnormal objects cause interference and potential damage

Engineering Contradiction:
Improveproduction efficiencyVSAvoidabnormality interference
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The system extracts or separates moving objects with abnormalities from the main production flow before they reach the second place. By identifying abnormal objects and diverting them to a third place for separate handling, the system removes potential harmful factors that could interfere with subsequent work steps while allowing normal objects to proceed efficiently.

Inventive Principle:
Principle #2Taking out (Extraction)

3Reliability

If the system diverts moving objects to the third place for abnormality checking, then interference with second work is prevented, but additional time and complexity are introduced

Engineering Contradiction:
Improvework step interference preventionVSAvoidproduction system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system introduces an intermediary detection mechanism that monitors moving objects during their transport to the second place. This intermediary detection system identifies abnormalities early and triggers diversion to the third place only when necessary, preventing work step interference while avoiding unnecessary complexity in the production system.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Device complexity

If abnormal moving objects are not detected, then the production flow remains simple, but subsequent work steps may be interfered with

Engineering Contradiction:
Improvedetection system complexityVSAvoidabnormality interference
Core Design Contradiction:
Device complexityVSObject-generated harmful factors

Solution Approach 1:

The system implements a feedback mechanism where detection results from monitoring moving objects are used to control the diversion decision. When abnormalities are detected, the system provides feedback to divert the object to the third place; when no abnormalities are found, the object proceeds to the second place. This feedback-based approach prevents abnormality interference while maintaining simple production flow for normal objects.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS20240327122A1Unmanned driving system, control device, and unmanned driving method
Publication Date: 2024.10.03 TOYOTA JIDOSHA KK
  • US20240327122A1 patent drawing
  • US20240327122A1 patent drawing
  • US20240327122A1 patent drawing

AI summary

An unmanned driving system includes a moving object configured to be movable by remote control; a remote control unit configured to perform remote control for the moving object, wherein the remote control unit moves the moving object that has been finished a first work at a first place in a factory to a second place in the factory by the remote control, wherein the moving object is produced in the factory, wherein the second place is a place for performing a second work on the moving object; and an information acquisition unit configured to acquire information indicating that a predetermined number or more of another moving objects of the same type as the moving object and having an abnormality arrive at the second place within a predetermined period, wherein when the information acquisition unit acquires the information, the remote control unit moves the moving object that has not been started the second work to a third place in the factory, wherein the third place is different from both the first place and the second place.