Attitude and heading reference system is a system that is installed in aircrafts. One of the functions that it performs is of navigation. It basically provides the pilots with the information of great importance regarding the attitude and heading. It is a replacement for the traditional mechanical gyros that once performed a similar function years ago. But because of the greater reliability and accuracy assured by Attitude and Heading Reference Systems, gyros got replaced.
The global market of attitude and heading reference systems is presently valued at more than 500 million US dollars. The market industry of the same is forecasted to grow at a CAGR of more than 5%, making to be valued at more than 700 million US dollar within next five years. GPS aided sector of attitude and heading reference systems is expected to witness the highest growth by 2022.
The market driving factors fueling the growth of market industry of attitude and heading reference system are increasing number of air passengers all over the world, thereby rise in the number of aircraft deliveries and a rise in the demand of Attitude and heading reference systems for being used in UnmannedAerial Vehicles (UAV’s) .
Considering the end use the global market of Attitude and Heading reference Systems can be divided into military aviation, unmanned aviation, civil aviation and marine. Out of all these sectors, unmanned aviation is going to witness the highest growth, statistics reveal.
Out of the markets of attitude and heading reference systems of all the countries, the market of North America is expected to witness the highest market growth.
More about attitude and heading reference systems
An Attitude and Heading Reference System has –
- Microelectronic mechanical gyros
- Accelerometers and
- Magnetometer also known as flux valve
Functions performed by them-
- The microelectronic mechanical gyros captures and provides information about motion while an aircraft is moving in a 3D plane. It contains some vibrational components which creates vibrations that deviate when an aircraft changes direction. Then the directional change data is calculated by measuring such deviations.
- To serve as in-flight reference and initial attitude reference, accelerometer makes use of gravity.
- And magnetometer helps in providing heading information for the aircraft by making use of earth’s magnetic field.
Studies reveal that Attitude and heading reference systems were initially out of reach of private aircraft owners. The reason for the same was the high costs of such systems. Gradually with time the technological advancements and use of Attitude and heading reference systems changedand resulted in dropping down of its prices.An interesting fact about attitude and heading reference systems can be as small as a coin.
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