I—The Inertial Reference Platform in Civil Aviation

Stratton, Andrew

doi:10.1017/s0373463300020488

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Vertical Velocity1

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1963

1966

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“…Height from atr data, computer Figure 2 shows a method of mixing height from an air data computer with the inertial system. 2 The inertial height, i.e. the output of the second integrator, is compared with the air data computer height and a proportion of the error is fed back to the input of the first integrator to correct the drift.…”

Section: Vertical Velocitymentioning

confidence: 99%

II—Inertial Techniques in Height Measurement

Whalley¹

1966

J. Navigation

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Inertial navigation techniques have been applied as a means of improving the height information in military aircraft for some time. It is almost certain that the supersonic transport will use inertial techniques for plan navigation and it is interesting to see how far it is worth extending this to include height, and also height rate, information.It is convenient to start by looking at the fundamental principles of inertial navigation as applied to height measurement; Fig. 1 shows the essential features. There will be an accelerometer measuring vertical acceleration; this must be maintained approximately vertical and can be very conveniently mounted on the main inertial platform. The output of the accelerometer contains a number of unwanted terms for which corrections have to be made. The expressions are well known and are explained in the Appendix.

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Section: Vertical Velocitymentioning

confidence: 99%