The landing gear of a commercial aircraft is modeled as mass-spring-damper system as shown in figure below. Your role is to define the main characteristics of such motion when the aircraft lands on rough runway that causes an oscillator motion as shown in the Figure.9. Your manger asked you to write a report showing your analysis for the system to avoid any excepted damages to the landing gear.
The landing gear of a commercial aircraft is modeled as mass-spring-damper system as shown in figure below. Your role is to define the main characteristics of such motion when the aircraft lands on rough runway that causes an oscillator motion as shown in the Figure.9. Your manger asked you to write a report showing your analysis for the system to avoid any excepted damages to the landing gear.
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Transcribed Image Text:Problem 7:
The landing gear of a commercial aircraft is modeled as mass-spring-damper system as shown in figure
below. Your role is to define the main characteristics of such motion when the aircraft lands on rough
runway that causes an oscillator motion as shown in the Figure.9. Your manger asked you to write a
report showing your analysis for the system to avoid any excepted damages to the landing gear.
Damper
x(1)
Suspension System Oscillation
Spring
Elastic Tire
Street and Bumps Oscillations
Figure.9: Aircraft's Suspension mass-spring-damper system
For any mass-spring system, explain the natural frequency of vibration.
B. To identify the system main parameters, the following mass-spring-damper model is identified:
x(t) = 0.1179e (50t + 0.3224n)
Determine the amplitude and-phase angle of the transient response within the system?
What is the frequency of the way vihration requiredtocaseresonance! Brlery, explain why
happens.
D/ Briefly, suggest how to prevent resonance from occurring on the landing gear?
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