2013•Command Control & SimulationRequires access

Design of Fuzzy Variable Structure Guidance Law with Terminal Constraint for Guided Bomb

Zhou Can-hui

Abstract

Aimming at the problem that INS(Inertial Navigation System)/GPS(Global Positioning System) guided bomb attack precisely,a terminal guidance law with angular constraint based on fuzzy variable structure has been proposed.Based on the variable structure guidance law,the terminal angular constraint is introduced,and the fuzzy rule is applied to adjust the gain of the sliding model.The simulation results show that the guidance law not only can reduce the system's chattering when attacking target on the ground,but also can satisfy guidance precision and angular constraint,and confirm the efficiency and robustness of the guided law.

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Key concepts: Constraint (computer-aided design), Robustness (evolution), Fuzzy logic, Control theory (sociology), Proportional navigation, Terminal (telecommunication), Global Positioning System, Terminal guidance