Modular Logistics Robot with Separable Storage Units

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Solution Overview

Problem

Existing logistics systems lack flexibility and efficiency in package transportation, as they often require fixed configurations and limited operational capabilities.

Innovation Solution

A logistics robot system comprising separable robot units and storage units, allowing for flexible configurations ranging from single units to multiple units and storage combinations, enabling autonomous travel and advanced package handling capabilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed configuration logistics system is used, then the system structure is simple, but the operational flexibility and adaptability are poor

Engineering Contradiction:
Improveoperational flexibilityVSAvoidsystem configuration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The logistics robot is divided into separable robot units and storage units that can be independently configured. Each robot unit can operate with one or more storage units, allowing the system to be segmented into modular components that can be assembled in different configurations based on operational needs.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system transitions from a fixed configuration to a dynamic, reconfigurable architecture where robot units and storage units can be connected or separated as needed. This dynamic structure enables the system to adapt its configuration based on task requirements, improving operational flexibility without permanently increasing complexity.

Inventive Principle:
Principle #15Dynamics

2Productivity

If multiple robot units and storage units are combined, then the transportation capacity and efficiency are improved, but the system complexity increases

Engineering Contradiction:
Improvepackage transportation efficiencyVSAvoidnumber of units and connections
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

Each robot unit is designed with universal interfaces and capabilities that allow it to work with any number of storage units. The robot units possess multi-functional capabilities including autonomous navigation, package handling, and communication, enabling a single robot unit type to perform various tasks across different configuration scenarios.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system allows nested configurations where multiple robot units can collaborate around a central storage unit, or storage units can be arranged in hierarchical structures. This nesting approach enables scalable expansion where additional units are integrated into existing configurations without requiring complete system redesign.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Adaptability or versatility

If separable robot units and storage units are used, then the operational flexibility is improved, but the connection and coordination complexity increases

Engineering Contradiction:
Improveconfiguration flexibilityVSAvoidconnection and coordination complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The robot units and storage units are equipped with autonomous capabilities including self-navigation, self-identification, and automated connection protocols. When units need to connect or separate, they perform these actions autonomously without requiring complex external coordination, reducing the overall system coordination complexity.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system implements communication devices that enable continuous feedback between robot units and storage units. This feedback mechanism allows units to automatically report their status, location, and operational state to the system controller and to each other, enabling coordinated operation through distributed intelligence rather than centralized complex control.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3978197B1Logistics robot and logistics system
Publication Date: 2025.05.28 TOYOTA JIDOSHA KK
  • EP3978197B1 patent drawingFigure 1
  • EP3978197B1 patent drawingFigure 2
  • EP3978197B1 patent drawingFigure 3

AI summary

A logistics robot (10) for transporting a package (P) includes: a robot unit (20) configured to make the logistics robot (10) travel; and a storage unit (50) configured to store the package (P). The robot unit (20) and the storage unit (50) are separable from each other.