تلخیص
Altimeter is a measurement system that is used to
determine the altitude of a flying vehicle. It provides the
aircraft pilot, navigator and other aerospace users with the
altitude information, either in analog or digital readout. This
information is a very important parameter for aerospace users
during flight in order to achieve safe and efficient flight
operation. Therefore, using an accurate method for altitude
measurement is essential. The altimeter system may subject to
many sources of errors (methodical, systematic and dynamic)
during operation, due to the integration of aircraft instrument
system, the altitude information should be accurate more than
ever before, and so as to provide the actual altitude to other
integrated systems. Thus a new digital altimeter is significant
and much needed for this reason, to enhance the old
conventional system.
This paper focuses on diagnosing of conventional altimeter
errors and expresses in mathematical derivations, compensate
these deviations of the system output using a suitable
algorithm and reduce the mechanical parts of the old system.
A conceptual design of the digital altimeter has been
introduced and implemented as a virtual instrument model
using a computer program so as to measure and monitor the
performance of the system. Air data acquisition and display
system have been designed to process the data coming from a
barometric sensor and display the actual altitude information
in a digital readout. In addition to that, the concept of the
altitude alert system has been carefully considered to alert the
pilot when reaching a maximum cruising altitude.
Nasreldeen Ali Adam, Moutaman Mirghani Dafalla . (2017) Design of Altitude Measurement System for Aerospace Applications (Digital Barometric Altimeter), Journal of Space Technology , Volume 7, Issue 1.
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