US Patent Application 18233474. CORRECTION APPARATUS FOR ANGLE SENSOR, AND ANGLE SENSOR simplified abstract
Contents
CORRECTION APPARATUS FOR ANGLE SENSOR, AND ANGLE SENSOR
Organization Name
Inventor(s)
Shinichirou Mochizuki of Tokyo (JP)
CORRECTION APPARATUS FOR ANGLE SENSOR, AND ANGLE SENSOR - A simplified explanation of the abstract
This abstract first appeared for US patent application 18233474 titled 'CORRECTION APPARATUS FOR ANGLE SENSOR, AND ANGLE SENSOR
Simplified Explanation
The patent application describes an angle sensor that generates an angle detection value based on two detection signals.
- Angle sensor generates angle detection value using two detection signals
A correction apparatus is used to perform correction processing on the detection signals.
- Correction apparatus corrects the detection signals
The correction processing involves adding a first correction value to the first detection signal and a second correction value to the second detection signal.
- First correction value is added to the first detection signal
- Second correction value is added to the second detection signal
If no correction processing is performed, the angle detection value contains an Nth-order angle error component with a period of T/N, where T is the period of variation in the angle to be detected.
- Angle detection value contains Nth-order angle error component with period T/N
The first and second detection signals also contain an (N-1)th-order signal error component and an (N+1)th-order signal error component.
- First and second detection signals contain (N-1)th-order and (N+1)th-order signal error components
The order of the first and second correction values is either N-1 or N+1.
- Order of first and second correction values is N-1 or N+1
Original Abstract Submitted
An angle sensor generates an angle detection value based on a first and a second detection signal. A correction apparatus performs correction processing for generating a first corrected detection signal by adding a first correction value to the first detection signal and generating a second corrected detection signal by adding a second correction value to the second detection signal. When an angle to be detected varies with a period T and if no correction processing is performed, the angle detection value contains an Nth-order angle error component varying with a period of T/N. Each of the first and second detection signals contains an (N−1)th-order signal error component and an (N+1)th-order signal error component. The order of the first and second correction values is N−1 or N+1.
