×

Method for compensating the offset of angle sensors

  • US 6,496,784 B1
  • Filed: 01/31/2001
  • Issued: 12/17/2002
  • Est. Priority Date: 06/22/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for calibrating an offset of an angle sensor, which determines an angle on the basis of a sine signal assigned to the angle and a cosine signal assigned to the angle, said method having the following steps:

  • a) determining the sine signal and the cosine signal for at least three different angles (1,2,3) to obtain at least three sine-cosine value pairs (U sin(1), U cos(1);

    U sin(2), U cos(2);

    U sin(3), U cos(3)), each containing one sine signal value and one cosine signal value;

    b) displaying the at least three value pairs in an at least two-dimensional coordinate system that represents a sine signal-cosine signal plane; and

    c) determining a point, representing the offset to be calibrated, in the coordinate system, in relation to which point the at least three value pairs are located on an arc.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×