Lesson Notes By Weeks and Term v4 - SHS 1
Fundamentals of Avionics
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Fundamentals of Avionics
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Subject: Aviation And Aerospace Engineering
Class: SHS 1
Term: 1st Term
Week: 15
Grade code: 1.2.1.LI.3
Strand code: 2
Sub-strand code: 1
Content standard code: 1.2.1.CS.1
Indicator code: 1.2.1.LI.3
Theme: Avionics
Subtheme: Fundamentals of Avionics
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Welcome, future engineers! Today, we are exploring one of the most exciting parts of an aircraft: its 'brain' and 'senses', which we call avionics. Have you ever wondered how a security dog at Kotoka International Airport can sniff out hidden items, or how an eagle can spot a tiny mouse from high up in the sky? These animals have incredible natural abilities for surveillance. In this lesson, we will discover how engineers have been inspired by these very animals to create the advanced electronic systems that allow aircraft to see, hear, navigate, and monitor the world around them.
This lesson is built on a central analogy: Avionics Systems are like the super-senses of an aircraft, inspired by the super-senses of animals. A. What is Avionics?
The word Avionics is a combination of two words: AVIation and electrONICS. Definition: Avionics refers to all the electronic systems used on aircraft, artificial satellites, and spacecraft. These systems are the 'brain' and 'nervous system' of the aircraft. Functions: They perform various functions, including: Communication: Talking to air traffic control and other aircraft. Navigation: Knowing where the aircraft is and where it is going (like GPS). Monitoring: Checking the health of the aircraft (engine temperature, fuel level) and observing the environment outside. Control: Assisting the pilot in flying the aircraft (e.g., autopilot).
In this lesson, we are focusing on the Monitoring and Surveillance function. B. What is Surveillance? Definition: Surveillance is the close and continuous observation of a person, group, place, or object. In aerospace, it means using an aircraft (like a plane, helicopter, or drone) to watch over an area of interest. C. The Animal-Avionics Analogy: Nature's Blueprint for Engineering
Nature has already perfected surveillance systems over millions of years. Engineers often study these natural systems for inspiration. Let's look at some examples.