Sensorless position measurement method for solenoid-based actuation devices using inductance variation
US7511478B2 · kind B2 · utility
3Cited by
10References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 2005 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Aug 8, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2007/1888
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A sensorless position measurement method may be used to determine the position of a solenoid-based actuator which controls some substance. The sensorless position measurement method of the present invention eliminates the need for a dedicated sensor in the actuator device, as well as the associated electrical connections between this sensor and the system controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.