Position measuring mechanism and measuring method of linear motion system
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United States of America Patent
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Oct 3, 2023
Grant Date -
Jul 21, 2022
app pub date -
Jan 20, 2021
filing date -
Jan 20, 2021
priority date (Note) -
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Abstract
The invention discloses a position measuring mechanism and a measuring method of a linear motion system in which two sensors are respectively disposed on two sides of a stator, in addition to allowing a moving portion to perform bidirectional movement, under a premise of not increasing a quantity of the sensors, a measuring range of the sensors can be calculated based on information measured by the sensors themselves. Furthermore, the invention further combines measurement sections respectively measured by the two sensors to ensure an accuracy of position feedback, instead of the conventional technique using an operational method of combining sinusoidal and cosine signals.
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