Games in Aerospace: Homing Missile Guidance

  • Joseph Z. Ben-AsherEmail author
  • Jason L. Speyer
Reference work entry


The development of a homing missile guidance law against an intelligent adversary requires the solution to a differential game. First, we formulate the deterministic homing guidance problem as a linear dynamic system with an indefinite quadratic performance criterion (LQ). This formulation allows the navigation ratio to be greater than three, which is obtained by the one-sided linear-quadratic regulator and appears to be more realistic. However, this formulation does not allow for saturation in the actuators. A deterministic game allowing saturation is formulated and shown to be superior to the LQ guidance law, even though there is no control penalty. To improve the performance of the quadratic differential game solution in the presence of saturation, trajectory-shaping feature is added. Finally, if there are uncertainties in the measurements and process noise, a disturbance attenuation function is formulated that is converted into a differential game. Since only the terminal state enters the cost criterion, the resulting estimator is a Kalman filter, but the guidance gains are a function of the assumed system variances.


Pursuit-evasion games Homing missile guidance Disturbance attenuation 



We thank Dr. Maya Dobrovinsky from Elbit Systems for converting part of this document from Word to LATE X.


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Aerospace EngineeringTechnion – Israel Institute of TechnologyHaifaIsrael
  2. 2.Mechanical and Aerospace EngineeringUniversity of CaliforniaLos AngelesUSA

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