Inertial Sensing & Navigation 3/9/2016 3/15/2017 GPS Noise - - PowerPoint PPT Presentation

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Inertial Sensing & Navigation 3/9/2016 3/15/2017 GPS Noise - - PowerPoint PPT Presentation

Jan 09, 2024 364 likes •555 views

Inertial Sensing & Navigation 3/9/2016 3/15/2017 GPS Noise Source: www.insidegnss.com INS Face Off: MEMS versus FOGs Using INS to Avoid Noise Source: www.insidegnss.com INS Face Off: MEMS versus FOGs Offroad INS-only Navigation Source:

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SLIDE 1

Inertial Sensing & Navigation

3/9/2016

3/15/2017

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SLIDE 2

GPS Noise

Source: www.insidegnss.com INS Face Off: MEMS versus FOGs

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SLIDE 3

Using INS to Avoid Noise

Source: www.insidegnss.com INS Face Off: MEMS versus FOGs

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SLIDE 4

Offroad INS-only Navigation

Source: www.insidegnss.com INS Face Off: MEMS versus FOGs

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SLIDE 5

INS Accuracy

Source: Wikipedia

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SLIDE 6

MEMS Accelerometer

Source: Design and Analysis of a MEMS Comb Vibratory Gyroscope, Haifeng Dong MS Thesis

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SLIDE 7

Tuning-fork Gyroscope

Source: Design and Analysis of a MEMS Comb Vibratory Gyroscope, Haifeng Dong MS Thesis

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SLIDE 8

MEMS Gyroscope

Source: Design and Analysis of a MEMS Comb Vibratory Gyroscope, Haifeng Dong MS Thesis

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SLIDE 9

Two‐dimensional navigation for strapdown system

Source: Basic Principles of Inertial Navigation Seminar on inertial navigation systems Tampere University of Technology

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SLIDE 10

Two‐dimensional navigation for strapdown system

Source: Basic Principles of Inertial Navigation Seminar on inertial navigation systems Tampere University of Technology

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SLIDE 11

Equations for 2D Strap-Down INS

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SLIDE 12

Gimbaled INS example

Source: Basic Principles of Inertial Navigation Seminar on inertial navigation systems Tampere University of Technology

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SLIDE 13

RLG instrument cluster (Marconi FIN3110 strapdown INS)

Source: Basic Principles of Inertial Navigation Seminar on inertial navigation systems Tampere University of Technology

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SLIDE 14

Strapdown inertial navigation unit block diagram

Source: Basic Principles of Inertial Navigation Seminar on inertial navigation systems Tampere University of Technology

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SLIDE 15

External frame

  • f reference

Kid’s frame of reference

http://www.physics.brocku.ca/fun/NEWT3D/PDF/CORIOLIS.PDF

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SLIDE 16

Coriolis Effect

  • https://www.youtube.com/watch?v=dt_XJp77-mk

Source: Wikipedia

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SLIDE 17

Sources of Noise

Source: An introduction to inertial navigation, Oliver J. Woodman, UCAM-CL-TR-696