Fractional-order sliding mode control with a predefined-time observer for VTVL reusable launch vehicles under actuator faults and saturation constraints

X Ju, C Wei, H Xu, F Wang - ISA transactions, 2022 - Elsevier
For vertical takeoff vertical landing (VTVL) reusable launch vehicle (RLV) with actuator faults
and saturation constraints, this paper presents a composite control system including a high …

Approximate continuous fixed-time terminal sliding mode control with prescribed performance for uncertain robotic manipulators

H Sai, Z Xu, C Xia, X Sun - Nonlinear Dynamics, 2022 - Springer
This paper studies an approximate continuous fixed-time terminal sliding mode control
(CFTSMC) with prescribed performance for uncertain robotic manipulators. A transformation …

[HTML][HTML] Predefined-time formation control of the quadrotor-UAV cluster'position system

Q Li, Y Chen, K Liang - Applied Mathematical Modelling, 2023 - Elsevier
Based on the state observer and sliding-mode control technique, this paper analytically
addresses the fully distributed predefined-time formation problem of quadrotor-UAV …

Generating new classes of fixed-time stable systems with predefined upper bound for the settling time

R Aldana-López, D Gómez-Gutiérrez… - … Journal of Control, 2022 - Taylor & Francis
This paper aims to provide a methodology for generating autonomous and non-autonomous
systems with a fixed-time stable equilibrium point where an Upper Bound of the Settling …

Fixed/predefined-time synchronization of complex-valued discontinuous delayed neural networks via non-chattering and saturation control

H Pu, F Li - Physica A: Statistical Mechanics and its Applications, 2023 - Elsevier
In this article, the fixed-time and predefined-time synchronization of fully complex-valued
discontinuous delayed neural networks are studied with the non-separation approach …

Adaptive predefined-time fault-tolerant attitude tracking control for rigid spacecraft with guaranteed performance

Y Su, S Shen - Acta Astronautica, 2024 - Elsevier
In this article, the attitude tracking problem for rigid spacecraft systems with the consideration
of actuator fault, input saturation, inertia uncertainties. and external disturbances is …

A novel fixed-time stability strategy and its application to fixed-time synchronization control of semi-Markov jump delayed neural networks

X Wang, J Cao, J Wang, J Qi - Neurocomputing, 2021 - Elsevier
This paper emphasizes on a novel fixed-time stability strategy and its application to fixed-
time synchronization control for a class of semi-Markov jump delayed Cohen-Grossberg …

Adaptive neural predefined-time attitude control of an uncertain quadrotor UAV with actuator fault

S Ranjan, S Majhi - IEEE Transactions on Circuits and Systems …, 2024 - ieeexplore.ieee.org
This brief addresses the attitude stabilization problem of unmanned aerial vehicles (UAVs)
like quadrotors with uncertain inertia, external disturbances, and actuator faults …

Prescribed-time bipartite consensus for signed directed networks on time scales

X Guo, J Liang - International Journal of Control, 2023 - Taylor & Francis
This note deals with the prescribed-time consensus problem for multi-agent systems over
directed networks with hybrid cooperative and antagonistic interactions on time scales …

Nonconservative adaptive practical predefined‐time sliding mode tracking of uncertain robotic manipulators

H Sai, Z Xu, J Cui - … Journal of Robust and Nonlinear Control, 2023 - Wiley Online Library
In this article, a nonconservative predefined‐time sliding mode control (SMC) scheme and
an adaptive practical predefined‐time SMC scheme are proposed for trajectory tracking of …