Patent · US Expired

Motor control equipment

US6906491B2 · kind B2 · utility

11Cited by
1References
13Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 20, 2003
Grant dateJun 14, 2005
Priority date
Expiry dateJun 20, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02P2207/05
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A motor controller is provided including a synchronous motor, a feed back detector for detecting the position and velocity of the rotor of the synchronous motor, a detector for detecting a magnetic pole position of the rotor of the synchronous motor, an inverter for controlling an electric power to be supplied to the synchronous motor, an estimator for estimating the magnetic pole position of the rotor of the synchronous motor, and a detector for detecting the abnormality of the feed back detector.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.