The guidance characteristic for terminal large impact angle attack has been researched and a method is presented for impact angle design to satisfy terminal constraints. Based on the research of modeling and close-form solution of terminal guidance law, the characteristics of guidance command, location and velocity are analyzed and verified. Utilizing the adjoint method, the non-dimensional miss distance and impact angle error are discussed deeply, and it comes the conclusion that the guided time needs 15 times longer than system lag time at least, which can make sure the miss convergence. With the analysis of the effect for guidance weighted coefficients to impact angle, the method is proposed for the conversion design between constraint and actual impact angle value, and the simulation results show that the conversion design method is valid.
Research on Optimal Guidance Law with Regulable Guidance Coefficient Satisfying Multiple Constraints
2018-07-01
6717239 byte
Conference paper
Electronic Resource
English
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