SBG Systems ELLIPSE 2 AHRS, Руководство по оборудованию

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ELLIPSE2 AHRS & INS – Hardware Manual ELLIPSE2HM.1.3
Index
Terminology............................................................................................................................................................ 6
1. Introduction........................................................................................................................................................ 7
1.1. Ellipse Overview.......................................................................................................................................... 7
1.2. Inertial measurement unit........................................................................................................................ 8
1.2.1. Accelerometers........................................................................................................................................................................ 8
1.2.2. Gyroscopes............................................................................................................................................................................... 8
1.3. Aiding sensors........................................................................................................................................... 9
1.3.1. Internal Magnetometers.......................................................................................................................................................... 9
1.3.2. Ellipse-N internal GNSS receiver........................................................................................................................................... 10
1.3.3. Ellipse-D internal GNSS receiver (Rev 2)................................................................................................................................ 11
1.3.4. Ellipse-D internal GNSS receiver (Rev 1)................................................................................................................................ 12
1.3.5. Internal barometric altimeter................................................................................................................................................ 13
1.3.6. External sensors..................................................................................................................................................................... 13
1.3.6.1. Third party GNSS receiver............................................................................................................................................. 13
1.3.6.2. Odometer...................................................................................................................................................................... 13
1.4. System Performance................................................................................................................................ 14
1.4.1. Ellipse-A orientation performance......................................................................................................................................... 14
1.4.1.1. Orientation specifications.............................................................................................................................................. 14
1.4.2. Ellipse-E/ N orientation and navigation performance......................................................................................................... 14
1.4.2.1. Land applications.......................................................................................................................................................... 14
1.4.2.2. Marine & Subsea applications...................................................................................................................................... 14
1.4.2.3. Airborne applications.................................................................................................................................................... 15
1.4.3. Ellipse-D orientation and navigation performance............................................................................................................... 15
1.4.3.1. Land applications........................................................................................................................................................... 15
1.4.3.2. Marine & Subsea applications...................................................................................................................................... 16
1.4.3.3. Airborne applications.................................................................................................................................................... 16
1.4.4. Heave performance................................................................................................................................................................ 16
1.4.4.1. High performance Heave............................................................................................................................................... 16
1.4.4.2. General purpose Heave................................................................................................................................................. 16
2. Mechanical and Electrical specifications......................................................................................................... 17
2.1. Mechanical specifications......................................................................................................................... 17
2.1.1. Overview.................................................................................................................................................................................. 17
2.1.2. Specifications......................................................................................................................................................................... 17
2.1.3. Device mechanical alignment................................................................................................................................................ 18
2.1.4. Origin of measurements........................................................................................................................................................ 18
2.1.5. Device labels........................................................................................................................................................................... 18
2.1.6. Ellipse-A mechanical outline................................................................................................................................................. 19
2.1.6.1. Front view...................................................................................................................................................................... 19
2.1.6.2. Top view........................................................................................................................................................................ 19
2.1.6.3. Right view.................................................................................................................................................................... 20
2.1.6.4. Bottom view................................................................................................................................................................. 20
2.1.7. Ellipse-E mechanical outline................................................................................................................................................... 21
2.1.7.1. Front view....................................................................................................................................................................... 21
2.1.7.2. Top view......................................................................................................................................................................... 21
2.1.7.3. Right view..................................................................................................................................................................... 22
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