A new methodology is introduced for integrated design of guidance and control systems for autonomous vehicles (AVs). The methodology proposed borrows from the theory of gain-scheduled control and leads to an ef cient procedure for the design of controllers for AVs to accurately track reference trajectories de ned in an inertial reference frame. The paper illustrates the application of this procedure to the design of a tracking controller for the unmanned air vehicle Bluebird. The design phase is summarized, and the performance of the resulting controller is assessed in simulation using dynamic models of the vehicle and its sensor suite.

A new methodology is introduced for integrated design of guidance and control systems for autonomous vehicles (AVs). The methodology proposed borrows from the theory of gain-scheduled control and leads to an ef cient procedure for the design of controllers for AVs to accurately track reference trajectories de ned in an inertial reference frame. The paper illustrates the application of this procedure to the design of a tracking controller for the unmanned air vehicle Bluebird. The design phase is summarized, and the performance of the resulting controller is assessed in simulation using dynamic models of the vehicle and its sensor suite.

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This paper describes a study that investigated the efficacy of modifications to the trailing end of the externally mounted advanced targeting forward looking infrared pod (ATFLIR) on the store separation characteristics of the F/A-18C aircraft. Prior work by Godiksen suggests that the trailing end of the geometrically similar targeting forward looking infrared pod (TFLIR) is the likely source of shock waves that can adversely impact the trajectory of a recently released store. In our study five different modifications to the aft end of the ATFLIR were analysed using computational fluid dynamics (CFD). The two most promising designs, an ogive shape such as that used in artillery shells and rockets, and a simpler extended but truncated cone shape were then further investigated. The moments that these trailing shapes produced on an adjacent released store were compared. CFD analysis revealed that the simpler cone shape resulted in weaker shocks from the aft end of the pod with a resultant smaller adverse moment on the store. While there is an extensive history of using CFD to predict store separation behavior, results from our study should be compared with wind tunnel data in order to validate the CFD simulations. NOMENCLATURE 6-DOFsix-degree of freedom AOA angle-of-attack ATFLIR advanced targeting forward looking infrared pod C D drag coefficient CFD computational fluid dynamics

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