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2009•Flight DynamicsRequires access

Integrated Guidance and Control for the Pitch Plane of a Guided Bomb with SINS/GPS

Ma Wei

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Abstract

According to the kinetic characteristic of the guided bomb with SINS/GPS,the integrated guidance and control model of the pitch plane is formulated firstly.Then uncertainties are taken into consideration adequately,and the integrated guidance and control feedback law is designed based on a terminal sliding mode approach.It can not only ensure the accuracy of hitting a target and the reguirement of terminal angular constraint,but also ensure the stability and robust self-adapting of the control system.Finally,six-degree trajectory simulations of the flight control are carried out under the wicked aerodynamic conditions and the boundary of dropping area for a certain type of guided bomb with SINS/GPS.And simulation results confirm the effectiveness of the proposed method.

About this research paper

What this paper is about

According to the kinetic characteristic of the guided bomb with SINS/GPS,the integrated guidance and control model of the pitch plane is formulated firstly.Then uncertainties are taken into consideration adequately,and the integrated guidance and control feedback law is designed based on a terminal sliding mode approach.It can not only ensure the accuracy of hitting a target and the reguirement of terminal angular constraint,but also ensure the stability and robust self-adapting of the control system.Finally,six-degree trajectory simulations of the flight control are carried out under the wicked aerodynamic conditions and the boundary of dropping area for a certain type of guided bomb with SINS/GPS.And simulation results confirm the effectiveness of the proposed method.

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Available abstract

According to the kinetic characteristic of the guided bomb with SINS/GPS,the integrated guidance and control model of the pitch plane is formulated firstly.Then uncertainties are taken into consideration adequately,and the integrated guidance and control feedback law is designed based on a terminal sliding mode approach.It can not only ensure the accuracy of hitting a target and the reguirement of terminal angular constraint,but also ensure the stability and robust self-adapting of the control system.Finally,six-degree trajectory simulations of the flight control are carried out under the wicked aerodynamic conditions and the boundary of dropping area for a certain type of guided bomb with SINS/GPS.And simulation results confirm the effectiveness of the proposed method.

Key concepts: Global Positioning System, Aerodynamics, Control theory (sociology), Trajectory, Constraint (computer-aided design), Boundary (topology), Proportional navigation, Terminal (telecommunication)

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