Virtual Coupling Between Guide Unit and Load Cart for Intralogistics

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Forklifts are limited in their adaptability, require significant clearance, and pose safety risks in environments with human workers, while manual carts are labor-intensive and have limited load capacity.

Innovation Solution

A system comprising a self-propelled load bearing cart with a remote controlled or autonomous guide unit, featuring a mechanical and electrical connection, computing unit, and optical sensors to navigate using projected or printed optical markers, allowing for efficient and safe intralogistics operations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a mechanical coupling is permanently installed between transport modules, then mechanical stability and force transmission are improved, but device complexity and adaptability deteriorate

Engineering Contradiction:
Improvemechanical stabilityVSAvoidcoupling system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The mechanical coupling system transitions from static permanent connections to dynamic reconfigurable connections. The coupling elements can be selectively engaged and disengaged based on operational requirements, allowing the system to adapt its mechanical structure dynamically. This resolves the contradiction by providing both mechanical stability when coupled and operational flexibility when decoupled.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The coupling system is divided into separate, modular components that can independently engage or disengage. Rather than a permanent integrated connection, the system uses separable coupling elements that can be selectively activated. This segmentation allows the transport modules to maintain mechanical stability during operation while enabling easy reconfiguration and reducing overall system complexity.

Inventive Principle:
Principle #1Segmentation

2Force

If transport modules are permanently coupled, then force transmission and stability are improved, but adaptability and reconfigurability deteriorate

Engineering Contradiction:
Improveforce transmissionVSAvoidsystem reconfigurability
Core Design Contradiction:
ForceVSAdaptability or versatility

Solution Approach 1:

The coupling system enables dynamic adjustment of force transmission capabilities. When operational requirements demand high force transmission, the coupling elements engage to provide stable mechanical connection. When adaptability is needed, the elements can disengage to allow reconfiguration. This dynamic behavior resolves the contradiction between force transmission and adaptability.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The coupling elements are designed with multi-functionality, serving both as force transmission mechanisms when engaged and as enablement for reconfiguration when disengaged. This universal design allows the same component to support both high force transmission requirements and system adaptability needs, resolving the apparent contradiction between these two functions.

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

3Adaptability or versatility

If mechanical coupling elements are added to enable connection, then mechanical interconnection capability is improved, but device complexity and manufacturing cost increase

Engineering Contradiction:
Improvecoupling capabilityVSAvoidmanufacturing complexity
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

Rather than adding complex coupling mechanisms throughout the entire transport module structure, the coupling elements are localized to specific connection points. This localized approach provides the necessary coupling capability only where needed, minimizing the impact on overall manufacturing complexity and cost while still enabling mechanical interconnection when required.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP4538153B1Virtual coupling
Publication Date: 2026.04.29 FQ IP AB
  • EP4538153B1 patent drawingFigure 1A~1B
  • EP4538153B1 patent drawingFigure 1C
  • EP4538153B1 patent drawingFigure 2

AI summary

A system for intralogistics comprising a self-propelled load bearing cart (200, 200', 200", 200‴,200B) and a remote controlled or autonomous self-propelled guide unit (100,100'). The self-propelled load bearing cart (200, 200', 200", 200‴,200B) comprises a drive unit (223) comprising at least one drive wheel (222) for propelling the self-propelled load bearing cart (200, 200', 200", 200‴,200B), a mechanical connection (172), and a computing unit (253) connected to the drive unit (223). The computing unit (253) comprises a transceiving unit (253') for communicating with the remote controlled or autonomous self-propelled guide unit (100,100'), and the remote controlled or autonomous self-propelled guide unit (100,100') comprises a mechanical connection (171) configured to connect to the mechanical connection (172) of the self-propelled load bearing cart (200, 200', 200", 200‴,200B), such that a mechanical interconnection can be created between the remote controlled or autonomous self-propelled guide unit (100,100') and the self-propelled load bearing cart (200, 200', 200", 200‴,200B).