Method and system for determining precise robotic position and orientation using near-simultaneous radio frequency measurements
US9722640B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 6, 2015 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | May 2, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S901/01
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and system for determining position and/or pose of an object. A robotic device moves throughout an environment and includes a master transceiver tag and, optionally, additional tags. The environment includes a plurality of anchor nodes that are configured to form a network. A master anchor node is in communication with at least a portion of the plurality of anchor nodes and is configured to transmit a ranging message as a UWB signal, receive a ranging message response from each other anchor node in the network, generate a reference grid representing physical locations of the plurality of anchor nodes within the network based upon the received ranging message responses, and distribute the reference grid to each of the other anchor nodes. The master transceiver tag receives the reference grid information and, based upon further calculations, determines a specific position and pose of the robotic device within the environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.