ASE 370L Take Home Test 2 - ASE 370L Take Home Test 2 April...

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ASE 370L Take Home Test 2 April 8, 2010 Drew Rosecrans DCR544
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UAS Controller Design The controller that is to be designed is for the yaw angle autopilot of an uninhabited aerial system (UAS). Here is a simplified lateral dynamics model of the aircraft for which the controller is to be designed. This is in the level flight cruise condition and assuming constant aerodynamic coefficients. Based on the flight conditions, it is given that, =- - γ 2s 2 , =- . - α 0 75s 1 , = . - ν 9 85s 2 , = . - κ 0 03s 1 , and = . - λ 0 5s 1 . Now the model for the rudder is The system is model as shown below in Figure 1. Where the input is the desired yaw angle, Φd , and the output is the actual yaw angel, Φ , with a unity feedback. Figure 1 The root locus methods will be used to find the optimal controller that meets all of the design specifications. Those specifications being all related to a unit step input of = ° Φd 1 . 1.
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This note was uploaded on 09/18/2011 for the course ASE Controls taught by Professor Bishop during the Spring '10 term at University of Texas at Austin.

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ASE 370L Take Home Test 2 - ASE 370L Take Home Test 2 April...

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