Abstract
Impact angle control has been widely used in a variety of guided weapons. For anti-ship or anti-tank weapons, the terminal impact angle is important for warhead effect. This paper deals with the guidance and control system to impact a target with a desired impact angle for precision guided bombs such as JDAM. The guidance and control system is composed of three-loop autopilot and impact angle control guidance loop. The impact angle control guidance is derived by the solution to the linear quadratic optimal control problem. Nonlinear six degree of freedom simulations are carried out to examine the performance of the system.
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