Method and apparatus for determining motor operation states
US10451474B2 · kind B2 · utility
0Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2015 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Feb 19, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M15/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus and method for determining an operational state of a motor are described. The apparatus includes a sensor or detecting vibration and a processor coupled to the sensor. The processor converts sensed vibration signals into the frequency domain to produce a vibration characteristic, and determines a current operational state of the motor based on the vibration characteristic, wherein the current operation state is determined from at least two different operational states including at least one idle state and at least one working state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.