Electrical Disturbances in Terms of Methods to Reduce False Activation of Aerial Fire Protection Systems

Area of Science:

• Aerospace Engineering
• Electrical Engineering
• Avionics Systems

Background:

• False triggers in aircraft fire protection systems pose significant risks, including mission interruption and compromised flight safety.
• Such false alarms necessitate emergency landings, potentially in hazardous conditions.
• Understanding the root causes of these false alarms is crucial for enhancing aircraft safety and reliability.

Purpose of the Study:

• To analyze the causes of false triggers in aircraft fire protection systems.
• To develop and test simulation models for electronic actuators to identify false alarm conditions.
• To determine the impact of electrical disturbances on fire protection system performance.

Main Methods:

• Development of simulation models for electronic actuators.
• Testing of simulation models using Matlab-Simulink and Circum-Maker.
• Simulation of electrical disturbances such as overvoltage, voltage drops, and decays in the on-board electrical network.

Main Results:

• Simulation models were successfully tested under various electrical disturbance conditions.
• The study identified specific conditions leading to false alarms in the fire protection system.
• Parameters for selected disturbance factors causing false tripping were determined.

Conclusions:

• Simulation results provide a basis for planning experimental tests of fire protection system executive blocks.
• The findings contribute to a better understanding of false trigger mechanisms in aircraft fire protection systems.
• This research supports the development of more robust and reliable fire protection systems for aircraft.