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TKT-2556 Basics of Inertial Navigation, 5 cr |
Pavel Davidson, Jussi Collin
Lecture times and places | Target group recommended to | |
Implementation 1 |
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Exam
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This course is designed to give students an understanding of the basic principles of inertial navigation, inertial sensors and implementation of Kalman filtering to fusion of INS and aiding sensors.
Content | Core content | Complementary knowledge | Specialist knowledge |
1. | Inertial navigation principles, frames, errors. Level plane 2-D dead reckoning navigator. Error propagation, block diagrams. Gimballed vs strapdown. Spherical Plane 3-D Inertial Navigator. Rotation/corrections. Surface curvature/corrections. Centripetal/Coriolis corrections. Rotating Frames. North-Up navigator mechanization/error models. | Coriolis Law. Mechanization and block diagrams. Error sources. | Sensor selection. |
2. | Earth shape. Coordinate frames. Acceleration sensing. Navigation mechanization. Error models. Augmentation. Pendulous reference. Schuler pendulum. Schuler oscillations. Altitude instability. | ||
3. | Gimballed/Strapdown Error Formulation. Psi equation. Gimballed/Strapdown Error Propagation. Position, velocity and attitude error diff eqns. IMU error budgets: MEMS,FOG,RLG etc. | Geometrical, physical, mathematical definition of angular position error and attitude error. | |
4. | Micromachined (MEMS) Accelerometers & Gyroscopes Process technology. Errors/resolution/noise. Accelerometer and gyro error calibration Instrument errors: bias, thermal bias, scale factor, misalignments, etc. Accel and gyro residual errors. Stochastic models. | MEMS Accl and gyro principle, design, fabrication. Open vs closed loop. Multi-position rotation calibration for accel and gyro. Instrument compensation. | Manufacturers/designs/specs. |
5. | Leveling and Gyrocompassing Physical/analytical self leveling. Coarse alignment. Gravity/Earth rate errors. Fine leveling. Gyrocompassing. Gyro Bias. Fundamental limits. | ||
6. | Simple Multisensor Kalman Integration. Aiding sensors. Classical error compensation. Classical vs Kalman. Examples of Kalman filter implementation to Radar/Inertial simple example. Error models. | Optimal mechanization. Close vs Open. Mixing GPS/INS. Benefits. Pitfalls. Cascaded vs Integrated. Open vs closed loop. Coupling type: loose, tight, full, deep. | Inertial sensor error augmentation. Observable difference. |
Final exam
Numerical evaluation scale (1-5) will be used on the course
Type | Name | Author | ISBN | URL | Edition, availability, ... | Examination material | Language |
Book | Strapdown Inertial Navigation Technology | D. H. Tittertton | 1 56347 693 2 | Second Edition | English | ||
Lecture slides | English |
Course | Mandatory/Advisable | Description |
TKT-2530 Satellittipaikannuksen perusteet | Advisable |
There is no equivalence with any other courses
Description | Methods of instruction | Implementation | |
Implementation 1 | Lectures Excercises |
Contact teaching: 0 % Distance learning: 0 % Self-directed learning: 0 % |