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Combination of Linear MPC and Differential Game Theory for Optimal Cooperative Terminal Guidance Law with HIL Simulation

Akbari, Mohammad Sadegh | 2022

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 55872 (45)
  4. University: Sharif University of Technology
  5. Department: Aerospace Engineering
  6. Advisor(s): Nobahari, Hadi
  7. Abstract:
  8. In this research, a cooperative terminal guidance algorithm has been derived for simultaneous multi-interceptor collision with a target. This algorithm is obtained using the combination of model predictive control method and differential game theory. One of the features of this method is the calculation of the optimal guidance command in the form of an explicit relationship. Another feature of this method is its resistance to disturbances due to the use of differential game theory. The first innovation of this research is the use of this hybrid method to create a guidance algorithm, even in the non-cooperative guidance problem. The next innovation is in creating a cooperative terminal guidance algorithm to establish the simultaneous collision condition. Also, the ability to implement on existing hardware is also one of the significant points and limiting factors of this research. The method of conducting this research and solving its challenges has been step-by-step. In the first step, the proposed algorithm based on the combination of predictive control and differential game theory was extracted for the problem of non-cooperative guidance and its results were evaluated, which confirmed the proper performance of this algorithm in non-cooperative guidance to hit the target. In the next step, the proposed guidance algorithm was developed for the cooperative guidance problem. In the final step, the implementation of the proposed guidance algorithm was evaluated on a hardware. The obtained results show the effectiveness of this method in creating simultaneous hits of interceptors on fixed or moving targets
  9. Keywords:
  10. Model Predictive Control ; Interceptor ; Differential Game ; Terminal Guidance ; Cooperative Guidance Algorithm ; Consensus Algorithms ; Hardware in the Loop

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