Masunishi et al., 2023 - Google Patents
Demonstration of Gyro-Less North Finding Using a T-Shaped MEMS Differential Resonant AccelerometerMasunishi et al., 2023
- Document ID
- 7229535878364658713
- Author
- Masunishi K
- Ogawa E
- Ono D
- Miyazaki F
- Hiraga H
- Uchida K
- Ogawa J
- Murase H
- Tomizawa Y
- Publication year
- Publication venue
- 2023 IEEE 36th International Conference on Micro Electro Mechanical Systems (MEMS)
External Links
Snippet
In this paper, we demonstrate the detection of true north by rotating a T-Shaped MEMS differential resonant accelerometer (DRA) at a constant angular velocity. In general, true north finding is performed by detecting the horizontal component of the Earth's rotational …
Classifications
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- G01C19/02—Rotary gyroscopes
- G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
- G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
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- G01C21/12—Navigation; Navigational instruments not provided for in preceding groups by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
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- G01C19/5733—Structural details or topology
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- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
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- G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
- G01C19/5607—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating tuning forks
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- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
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- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
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- G01C15/00—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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