Hybrid sensor module and sensing method using the same
First Claim
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1. A hybrid sensor module comprising:
- first and second sensors that are attached on one surface of a printed circuit board (PCB) so as to detect two-axis signal components parallel to the PCB;
a third sensor that is attached on one surface of the PCB such that the axial direction of the third sensor is tilted at a predetermined angle θ
from a vertical direction of the PCB in a direction where the first sensor is positioned, the third sensor detecting a signal component sensed in the axial direction; and
a signal correction unit that is connected to the first, the second, and the third sensors and corrects signal components, detected from the respective sensors, into signal components of an orthogonal coordinate system by using the following equation;
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Abstract
Provided is a hybrid sensor module including first and second sensors that are attached on one surface of a printed circuit board (PCB) so as to detect two-axis signal components parallel to the PCB; a third sensor that is attached on one surface of the PCB such that the axial direction of the third sensor is tilted at a predetermined angle from a vertical direction of the PCB, the third sensor detecting a signal component sensed in the axial direction; and a signal correction unit that is connected to the first to third sensor and corrects signal components, detected from the respective sensors, into signal components of an orthogonal coordinate system.
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Citations
4 Claims
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1. A hybrid sensor module comprising:
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first and second sensors that are attached on one surface of a printed circuit board (PCB) so as to detect two-axis signal components parallel to the PCB; a third sensor that is attached on one surface of the PCB such that the axial direction of the third sensor is tilted at a predetermined angle θ
from a vertical direction of the PCB in a direction where the first sensor is positioned, the third sensor detecting a signal component sensed in the axial direction; anda signal correction unit that is connected to the first, the second, and the third sensors and corrects signal components, detected from the respective sensors, into signal components of an orthogonal coordinate system by using the following equation;
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2. A hybrid sensor module comprising:
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first and second sensors that are attached on one surface of a printed circuit board (PCB) so as to detect two-axis signal components parallel to the PCB; a third sensor that is attached on one surface of the PCB such that the axial direction of the third sensor is tilted at a predetermined angle φ
from a vertical direction of the PCB in a direction where the second sensor is positioned, the third sensor detecting a signal component sensed in the axial direction; anda signal correction unit that is connected to the first, the second, and the third sensors and corrects signal components, detected from the respective sensors, into signal components of an orthogonal coordinate system by using the following equation;
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3. A sensing method using a hybrid sensor module, the sensing method comprising:
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detecting signal components sensed from first and second sensors, which are disposed in parallel to a PCB, and a third sensor of which the axial direction is tilted at a predetermined angle θ
from a vertical direction of the PCB in a direction where the first sensor is positioned; andcorrecting the signal components detected at the detecting signal components into signal components of an orthogonal coordinate system by using the following equation;
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4. A sensing method using a hybrid sensor module, the sensing method comprising the steps of:
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detecting signal components sensed from first and second sensors, which are disposed in parallel to a PCB, and a third sensor of which the axial direction is tilted at a predetermined angle φ
from a vertical direction of the PCB in a direction where the second sensor is positioned; andcorrecting signal components detected at the detecting signal components into signal components of an orthogonal coordinate system by using the following equation;
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Specification