Missile Terminal Guidance Trajectory Optimization with Radar Imaging Constraints
Missile Terminal Guidance Trajectory Optimization with Radar Imaging Constraints
- Author(s): Zhang Gang ; Zhu Ming-bo ; Zhou Qiang ; Li Xiang-ping
- DOI: 10.1049/cp.2012.1229
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- Author(s): Zhang Gang ; Zhu Ming-bo ; Zhou Qiang ; Li Xiang-ping Source: International Conference on Automatic Control and Artificial Intelligence (ACAI 2012), 2012 p. 1347 – 1350
- Conference: International Conference on Automatic Control and Artificial Intelligence (ACAI 2012)
- DOI: 10.1049/cp.2012.1229
- ISBN: 978-1-84919-537-9
- Location: Xiamen, China
- Conference date: 3-5 March 2012
- Format: PDF
Azimuth resolution of Synthetic Aperture Radar(SAR) is closely related to the trajectory of platform. For the missile-borne SAR, its terminal guidance trajectory not only satisfies with SAR imaging constraints, but also satisfies with the capability of striking front target. In order to acquire the best azimuth resolution within a fixed time, direct shooting method is used in two-dimensional trajectory optimization of SAR terminal guidance. Firstly, optimization model of missile-borne SAR terminal guidance is established, that is, missile command acceleration is as optimal variables, minimum dwell time is as object function. Expressions of object function, imaging constraints, overload constraints are given in detail. Secondly, control variables is discretized to using direct method to convert the optimal control problem into a nonlinear programming problem. Lastly, sequential quadratic programming method is used to solving the nonlinear programming problem. Simulation results demonstrate the validity of the method.
Inspec keywords: radar imaging; quadratic programming; optimal control; trajectory control; missile guidance; synthetic aperture radar
Subjects: Military control systems; Optimal control; Optimisation techniques; Optimisation techniques; Spatial variables control; Optical, image and video signal processing; Aerospace control; Military detection and tracking systems
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