Guofei Li

TL;DR: The convergence analysis demonstrates that the simultaneous arrival could be achieved in fixed-time interval under the actuation failures, and the upper bound of convergence time is not dependent on the initial conditions of interceptors.

TL;DR: Different from most existing fixed-time control methods, the structure of proposed strategy can be changed with respect to the operation condition by the continuous transition, which facilitates the protocol design in improving both the transient and steady performance.

TL;DR: The simulation results indicate that the missiles with proposed cooperative guidance law can hit the manoeuvring target with satisfactory performance and the convergence analysis indicates that the consensus errors converge to the origin in fixed-time interval.

TL;DR: An improved smooth super-twisting based disturbance observer (SSTDOB) is proposed to estimate the unknown external disturbances and an effective fixed-time sliding mode backstepping control (FSMBC) is designed to guarantee the tracking errors converge to a small neighbor of the origin.

TL;DR: The problem of guidance law is investigated for multiple interceptors to attack a target cooperatively and a leader-following cooperative guidance strategy is presented to render the leader and the followers reach the target at specified impact time.