Finite-time LOS path following of unmanned surface vessels with time-varying sideslip angles and input saturation

Y Yu, C Guo, T Li - IEEE/ASME Transactions on Mechatronics, 2021 - ieeexplore.ieee.org
In this article, a finite-time line-of-sight-based control (FTLC) scheme is presented for path
following of unmanned surface vessels (USV) subject to unknown time-varying sideslip …

Disturbance observer based adaptive fuzzy sliding mode control: A dynamic sliding surface approach

J Zhang, D Chen, G Shen, Z Sun, Y Xia - Automatica, 2021 - Elsevier
In this paper, the disturbance observer based adaptive sliding mode control (SMC)
approaches are established for Takagi–Sugeno fuzzy systems with unknown external …

Proximate fixed-time prescribed performance tracking control of uncertain robot manipulators

P Yang, Y Su - IEEE/ASME Transactions on Mechatronics, 2021 - ieeexplore.ieee.org
This article solves the problem of proximate fixed-time prescribed performance trajectory
tracking for robot manipulators in the presence of bounded external disturbances and …

Continuous nonsingular terminal sliding-mode control with integral-type sliding surface for disturbed systems: Application to attitude control for quadrotor UAVs under …

NP Nguyen, H Oh, J Moon - IEEE Transactions on Aerospace …, 2022 - ieeexplore.ieee.org
This article proposes a continuous nonsingular terminal sliding-mode control with integral-
type sliding surface (CNTSMC-ISS) framework for disturbed systems, in which we consider …

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 …

On the design of nonautonomous fixed‐time controllers with a predefined upper bound of the settling time

D Gómez‐Gutiérrez - … Journal of Robust and Nonlinear Control, 2020 - Wiley Online Library
Recently, there has been a great deal of attention in a class of finite‐time stable dynamical
systems, called fixed‐time stable, that exhibit uniform convergence with respect to its initial …

Fixed-time control for automatic carrier landing with disturbance

Z Guan, H Liu, Z Zheng, M Lungu, Y Ma - Aerospace Science and …, 2021 - Elsevier
This paper addresses the fixed-time control problem for automatic carrier landing. By
transforming a six-degrees-of-freedom fixed-wing aircraft model into the affine form with …

[HTML][HTML] Robust exact differentiators with predefined convergence time

R Seeber, H Haimovich, M Horn, LM Fridman… - Automatica, 2021 - Elsevier
The problem of exactly differentiating a signal with bounded second derivative is
considered. A class of differentiators is proposed, which converge to the derivative of such a …

Time-synchronized control for disturbed systems

D Li, SS Ge, TH Lee, D Li, SS Ge, TH Lee - Time-Synchronized Control …, 2022 - Springer
In this chapter, we first propose time-synchronized control design for a class of affine
systems and the Euler-Lagrange systems under matched disturbances. Next, a more …

[HTML][HTML] Predefined-time control of nonlinear systems: A sigmoid function based sliding manifold design approach

N Mazhar, FM Malik, A Raza, R Khan - Alexandria Engineering Journal, 2022 - Elsevier
This work addresses the predefined-time convergence problem for a class of second order
nonlinear systems subjected to matched disturbances. A novel family of sigmoid function …