Title:
METHOD AND DEVICE FOR MONITORING AN ANGULAR ORIENTATION OF A ROTOR IN AN ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2012/150063
Kind Code:
A3
Abstract:
The invention relates to a method and device for monitoring an angular orientation of a rotor in an electric motor (1). An angle detection device (3) coupled to the rotor, such as in the form of a resolver, can be used for repeatedly determining a detected angular orientation. After each determination, a differential value is derived between the currently detected angular orientation and a previously detected angular orientation. If said differential value is greater than a preset threshold value, then an error signal is output. The error signal thereby indicates that a non-plausible angular orientation value was determined during detection of the angular orientation and can thus be used for preventing erroneous actuation of the electric motor (1) by a control device (9).
Inventors:
DAMSON MARK (DE)
HEIDRICH TORSTEN (DE)
GOETTING GUNTHER (DE)
RAICHLE DANIEL (DE)
SPRANGER JOERG (DE)
SCHUSTER KATHARINA (DE)
HEUSSER JOHANNES (DE)
HEIDRICH TORSTEN (DE)
GOETTING GUNTHER (DE)
RAICHLE DANIEL (DE)
SPRANGER JOERG (DE)
SCHUSTER KATHARINA (DE)
HEUSSER JOHANNES (DE)
Application Number:
PCT/EP2012/053875
Publication Date:
May 30, 2013
Filing Date:
March 07, 2012
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
DAMSON MARK (DE)
HEIDRICH TORSTEN (DE)
GOETTING GUNTHER (DE)
RAICHLE DANIEL (DE)
SPRANGER JOERG (DE)
SCHUSTER KATHARINA (DE)
HEUSSER JOHANNES (DE)
DAMSON MARK (DE)
HEIDRICH TORSTEN (DE)
GOETTING GUNTHER (DE)
RAICHLE DANIEL (DE)
SPRANGER JOERG (DE)
SCHUSTER KATHARINA (DE)
HEUSSER JOHANNES (DE)
International Classes:
G01P3/481; G01P3/489; H02P29/00
Foreign References:
| EP2000873A1 | 2008-12-10 | |||
| EP2063339A1 | 2009-05-27 |
Attorney, Agent or Firm:
ROBERT BOSCH GMBH (Stuttgart, DE)
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