Missile aerodynamics at high angles of attack - A prediction code

Venugopal, S; Krishnamurthy, M.

doi:10.2514/3.26605

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Mixed Logical Dynamical Model Of Blended Missile1

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2015

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“…The missile parameters are presented in Table 1. Generally, the aerodynamic coefficients , , , and and the amplification factors , are mainly affected by the flight velocity and the angle of attack [11,12]. Since the terminal guidance phase is considered in this paper, the flight time is quite short and the flight velocity of the missile can be treated as a constant.…”

Section: Mixed Logical Dynamical Model Of Blended Missilementioning

confidence: 99%

Autopilot Design Method for the Blended Missile Based on Model Predictive Control

Yang

Zhao

2015

International Journal of Aerospace Engineering

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This paper develops a novel autopilot design method for blended missiles with aerodynamic control surfaces and lateral jets. Firstly, the nonlinear model of blended missiles is reduced into a piecewise affine (PWA) model according to the aerodynamics properties. Secondly, based on the equivalence between the PWA model and mixed logical dynamical (MLD) model, the MLD model of blended missiles is proposed taking into account the on-off constraints of lateral pulse jets. Thirdly, a hybrid model predictive control (MPC) method is employed to design autopilot. Finally, simulation results under different conditions are presented to show the effectiveness of the proposed method, which demonstrate that control allocation between aerodynamic control surfaces and lateral jets is realized by adjusting the weighting matrix in an index function.

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Section: Mixed Logical Dynamical Model Of Blended Missilementioning

confidence: 99%