Inertial navigation system | Wikipedia audio article
Channel: wikipedia tts
Date: 23/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Inertial_navigation_system


00:01:19 1 Overview
00:07:41 2 Error
00:13:14 3 History
00:18:25 4 Guidance in human spaceflight
00:20:37 5 Aircraft inertial guidance
00:22:38 6 Inertial navigation systems in detail
00:24:55 7 Basic schemes
00:25:05 7.1 Gimballed gyrostabilized platforms
00:27:07 7.2 Fluid-suspended gyrostabilized platforms
00:29:52 7.3 Strapdown systems
00:32:19 7.4 Motion-based alignment
00:33:35 7.5 Vibrating gyros
00:34:24 7.6 Hemispherical resonator gyros (wine glass or mushroom gyros)
00:36:30 7.7 Quartz rate sensors
00:38:50 7.8 MHD sensor
00:39:09 7.9 MEMS gyroscope
00:40:01 7.10 Ring Laser Gyros (RLG)
00:42:00 7.11 Fiber optic gyros (FOG)
00:43:36 7.12 Pendular accelerometers
00:45:15 7.13 TIMU (Timing &amp; Inertial Measurement Unit) sensors
00:46:23 8 Method
00:47:52 9 See also



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SUMMARY
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An inertial navigation system (INS) is a navigation device that uses a computer, motion sensors (accelerometers) and rotation sensors (gyroscopes) to continuously calculate by dead reckoning the position, the orientation, and the velocity (direction and speed of movement) of a moving object without the need for external references. Often the inertial sensors are supplemented by a barometric altimeter and occasionally by magnetic sensors (magnetometers) and/or speed measuring devices. INSs are used on vehicles such as ships, aircraft, submarines, guided missiles, and spacecraft. Other terms used to refer to inertial navigation systems or closely related devices include inertial guidance system, inertial instrument, inertial measurement unit (IMU) and many other variations. Older INS systems generally used an inertial platform as their mounting point to the vehicle and the terms are sometimes considered synonymous.