2021/06/05 by Hang Yu, Keren Dai, Yu, Hang +9
Engineering · Physics and Astronomy · #Adaptive Control of Nonlinear Systems #Dynamical Systems (math.DS) #FOS: Mathematics #Guidance and Control Systems #Quantum chaos and dynamical systems
paper · pdf · doi:10.48550/arxiv.2106.02772
openalex publication_date 2021/06/05 · openalex created_date 2021/06/22 · openalex updated_date 2026/07/28
To enable multiple missiles to attack a maneuvering target simultaneously, fixed-time distributed cooperative guidance laws are proposed in this paper. Here, we present a novel fixed-time fast nonsingular terminal sliding mode surface (FNTSMS). In particular, the sliding mode surface not only avoids singularities but also has the characteristic of a settling time boundary regardless of the initial conditions. Based on the FNTSMS, we have developed a distributed guidance law, which has the characteristic of fixed-time convergence. The guidance law achieves the consensus of range-to-go, relative velocity along and perpendicular to the line of sight (LOS) direction to realize the simultaneous attack. In addition, a saturation function is introduced to avoid the chattering problem caused by the commonly used sign function. Furthermore, the distributed cooperative guidance law with communication failure is considered and proved theoretically, which shows that the proposed guidance law has excellent performance. Finally, the simulation results verify the performance of the distributed guidance law and its robustness against communication topology mutations, and explain the phenomenon in detail.