Free-encoder positioning system using acoustic features and IMU
US12013373B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2022 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Sep 18, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/2698
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Using various techniques, a position of a probe assembly of a non-destructive inspection system, such as a phase array ultrasonic testing (PAUT) system, can be determined using the acoustic capability of the probe assembly and an inertial measurement unit (IMU) sensor, e.g., including a gyroscope and an accelerometer, without relying on a complex encoding mechanism. The IMU sensor can provide an estimate of a current location of the probe assembly, which can be confirmed by the probe assembly, using an acoustic signal. In this manner, the data acquired from the IMU sensor and the probe assembly can be used in a complementary manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.