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      • Department of Mechanical Engineering
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      Gas generator pressure control in throttleable ducted rockets: A classical and adaptive control approach

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      Author
      Alan, A.
      Yildiz, Y.
      Poyraz, U.
      Olgun, U.
      Date
      2015
      Source Title
      51st AIAA/SAE/ASEE Joint Propulsion Conference
      Publisher
      American Institute of Aeronautics and Astronautics Inc, AIAA
      Language
      English
      Type
      Conference Paper
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      Abstract
      This paper describes the control of gas generator pressure in throttleable ducted rockets using nonlinear adaptive control as well as classical control approaches. Simulation results using the full nonlinear and time-varying dynamics of the gas generator are reported in both classical controller and adaptive controller cases. "Closed-loop Reference Model" structure is used together with the adaptive controller to improve transient response. Controllers are simulated to test their robustness by introducing uncertinities, disturbances and noise to the system. Cold Air Test Plant (CATP) is used as the test facility to compare the controllers and validate the results from simulations. Moreover, damping effect of CRM to oscillations in adaptive controller case is observed in CATP tests. © 2015 American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.
      Keywords
      Adaptive control
      Classical control
      Closed-loop reference model
      Cold air test plant
      Pressure control
      Throttleable ducted rockets
      Adaptive control systems
      Controllers
      Gas generators
      Pressure control
      Propulsion
      Rockets
      Testing
      Adaptive Control
      Classical control
      Ducted rocket
      Reference modeling
      Test plants
      Model reference adaptive control
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      http://hdl.handle.net/11693/28030
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      • Department of Mechanical Engineering 214

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