Elevator Boarding Control for Mixed Robot Fleets

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Solution Overview

Problem

Existing robot control systems fail to manage multiple dissimilar robots efficiently, leading to collisions, delays, and service disruptions in elevator boarding, increasing operational costs and customer inconvenience.

Innovation Solution

An electronic device and control method that determines boarding conditions for robots based on inter-robot communication, battery charge, type, and service state, reducing server burden and optimizing boarding orders to prevent collisions and delays.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing robot control systems manage robots from each manufacturer independently through separate servers, then each robot can be controlled individually, but multiple dissimilar robots cannot know the existence of other robots leading to collisions and delays in elevator boarding

Engineering Contradiction:
Improverobot control reliabilityVSAvoidmulti-robot compatibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent implements a universal robot control system that can manage multiple dissimilar robot types through a common server. The server receives boarding requests from different robot manufacturers and processes them uniformly, enabling cross-robot awareness and coordinated elevator boarding without requiring separate manufacturer-specific systems.

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

2Productivity

If multiple dissimilar robots attempt to board the elevator at the same time without coordination, then robot service speed may increase, but collisions and stalemates occur causing delays and service disruptions

Engineering Contradiction:
Improverobot service speedVSAvoidelevator boarding delay
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The system performs preliminary actions by having robots register their boarding requests and locations with the server before actually boarding the elevator. The server processes these requests in advance, determines optimal boarding sequences, and provides guidance to robots, preventing collisions and delays during actual boarding execution.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent implements feedback mechanisms where robots continuously report their location and status to the server, and the server provides real-time guidance and coordination instructions. This feedback loop enables dynamic adjustment of boarding sequences to prevent collisions and optimize service speed.

Inventive Principle:
Principle #23Feedback

3Ease of operation

If the existing system links with elevator through a manufacturer-specific server, then elevator boarding service can be provided, but the server burden increases and development costs rise due to API calls for each robot type

Engineering Contradiction:
Improveelevator boarding serviceVSAvoidserver complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent replaces multiple manufacturer-specific servers with a single universal robot control server that handles boarding requests from all robot types. This universal server uses standardized communication protocols, eliminating the need for separate API implementations for each robot manufacturer and reducing overall system complexity.

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

Data Source

PatentUS12443205B2Electronic device and control method thereof
Publication Date: 2025.10.14 HYUNDAI MOTOR CO LTD
  • US12443205B2 patent drawing
  • US12443205B2 patent drawing
  • US12443205B2 patent drawing

AI summary

An electronic device can include one or more processors, and a storage medium storing computer-readable instructions that enable the one or more processors to receive target robot state information and a target robot boarding request of a target robot that is to board a transport apparatus, from the target robot, determine a target robot boarding condition of the target robot, through comparison of a standby robot boarding order of a standby robot and a target robot boarding order of the target robot, where the standby robot is different from the target robot, and where the standby robot is located in a standby area, and transmit a get-off command to the target robot for the target robot to get off from the transport apparatus, based on a destination of the transport apparatus on which the target robot has boarded, depending on the target robot boarding condition.