Title:
回転角度検出装置及び回転制御装置
Document Type and Number:
Japanese Patent JP4260544
Kind Code:
B2
Abstract:
The invention relates to an angular position sensor, wherein the sensor has a motor (130) for driving an output shaft (140) and a sensor element (165) for detecting changes of a magnetic field of a magnet (150) rotating in synchronization with the output shaft (140). A controller (110) compensates for outputs of the sensor element (150), when the output shaft (140) rotates clockwise and counterclockwise, using different multidimensional functions and controls the motor (130) so that the compensated rotation angle becomes a desired rotation angle.
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Inventors:
Masashi Saito
Application Number:
JP2003140508A
Publication Date:
April 30, 2009
Filing Date:
May 19, 2003
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G01D5/14; G01B7/30; G01D3/02; G01D5/16; G01D5/18
Domestic Patent References:
| JP2004077133A | ||||
| JP4301718A | ||||
| JP6222083A | ||||
| JP2003289688A |
Attorney, Agent or Firm:
Kasuga Toshiaki