ined Рguidance law (ATC-IACG) against the stationary target is designed based on the pure proportion navigation (PPN) guidance law and Рthe arbitrary time convergence control method. Firstly, the dynamic equation of impact angle error based on PPN guidance law is Рderived. Then, the arbitrary time convergence control method is employed, and the ATC-IACG is designed, which could make the Рimpact angle error converge to zero in a predefined convergent time. Finally, the guidance performance of the ATC-IACG is Рdemonstrated through numerical simulation results, and compared with the impact angle control guidance law based on optimal error Рdynamics. РР Key words：guidance law design；pure proportional navigation; arbitrary time convergence; impact angle constraint; Рstationary target
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