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CDL Inertial technology tutorialAccelerometer theory Rotation sensor theory Tilt sensors Motion sensors The gyrocompass Strapdown systems Inertial navigation Aided inertial
Accelerometer Theory F=ma Sense force… Mass is knownCalculate acceleration Gravity is a constant reference Tilt = ArcSin(acceleration / 1g)
Rotation Sensor TheoryVibrate the tuning fork Coriolis effect Force=2mΏ Vr ie 2 x mass x input rate x radial velocity
Tilt Sensors Sensor types Dual axis sensors MiniTilt MicroTiltCapacitive Accelerometer Dual axis sensors MiniTilt MicroTilt Applications
6 DOF sensor Pendulum V MEMS MiniSense ApplicationsMotion Sensors 6 DOF sensor Pendulum V MEMS MiniSense Applications
The Gyrocompass Gyroscopic principle Gimballing North seeking gyroMicroGyro Applications Subsea applications
Strapdown Systems Operational principle MEMS Ring Laser Gyro (RLG)Fibre Optic Gyro (FOG) Other systems?
Inertial Navigation Displacement measurement Linear accelerometersAngular velocimeters Gravity & Earth rotation Cumulative errors vary with T 2
Aided Inertial Closed loop systems The Kalman filter Velocity aidingGPS aiding DVL aiding Applications
CDL Product Summary MiniTilt MicroTilt MiniSense MicroGyro MiniRLG2RemoteGyro MiniPOS2 MiniPOS/NAV MiniSpool TunnelPro
Aaron Burg Azeem Meruani Michael Wickmann Robert Sandheinrich
JASS 2006, St.Petersburg Christian Wimmer
Inertial Navigation Advantages
Use it Free: Instantly Knowing Your Phone Attitude Pengfei Zhou*, Mo Li Nanyang Technological University Guobin (Jacky) Shen Microsoft Research.
Accelerometers and Gyros Timothy Friez Class # 3 1/29/08.
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Angular Momentum Dual Credit Physics Montwood High School R. Casao.
Variable Capacitance Transducers The Capacitance of a two plate capacitor is given by A – Overlapping Area x – Gap width k – Dielectric constant Permitivity.
Inertial Navigation Systems and GPS Juan Jacobo Van der Dys April 20 th, 2005.
AIR NAVIGATION Part 7 Magnetic Fields and The Compass.
Ryan Roberts Gyroscopes.
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Boe-Bot Control Alex Ahmadi John Hoffman Andres Huertas Azeem Meruani Simcha Singer.
Rigid Bodies Rigid Body = Extended body that moves as a unit Internal forces maintain body shape Mass Shape (Internal forces keep constant) Volume Center.
Fundamentals of Strapdown Inertial and GPS-Aided Navigation
GPS, Inertial Navigation and LIDAR Sensors
NTHU PME EDL, Chih-Wei Lin Q1. Micromachined Gyroscopes Q2. Biological Structure: Diatom, Geckos and Insect Feet Chih-Wei Lin (D937708) NTHU PME Engineering.
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