Device and method for determining the spatial position of a domestic appliance

The device and method allow household robots to accurately locate and interact with appliances by detecting reference points and adjusting their appearance, overcoming obstacles of obscurity and unknown appearances.

WO2026109460A1PCT designated stage Publication Date: 2026-05-28BSH HAUSGERATE GMBH
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
BSH HAUSGERATE GMBH
Filing Date
2025-11-17
Publication Date
2026-05-28

AI Technical Summary

Technical Problem

Household robots struggle to accurately determine the spatial location and pose of household appliances, particularly when they are obscured by panels or have unknown appearances, hindering effective interaction.

Method used

A device and method for a household robot to determine the spatial location of appliances by using sensors to detect reference points, emitting and receiving localization signals, and adjusting the appliance's appearance to enhance detection, enabling precise positional information through transformation and actuator control.

Benefits of technology

Enables efficient and precise localization of household appliances, allowing reliable interaction between robots and appliances, even when obscured, by using sensor data and appliance signals to determine pose with high accuracy.

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Abstract

The invention describes a device (101) for a domestic robot (100), which is designed to interact with a domestic appliance (110). The device (101) is set up to determine position information in relation to N different reference points of the domestic appliance (110), where N ≥ 1, in particular where N ≥ 2, wherein the position information indicates the spatial position of the N different reference points relative to the domestic appliance (110). Furthermore, the device(101) is set up to determine, on the basis of sensor data from one or more sensors (102, 105) of the domestic robot (100), measurement information in relation to the N different reference points of the domestic appliance (110), wherein the measurement information indicates the spatial position of the N different reference points relative to the reference coordinate system of the domestic robot (100). The device (101) is also set up to determine position information in relation to the spatial position of the domestic appliance (110) within the reference coordinate system on the basis of the position information and on the basis of the measurement information.
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Citation Information

Patent Citations

  • US20100228421A1

  • US20220022719A1

  • US20230206490A1