The design of variable-structure control (VSC) systems for a class of multivariable, nonlinear,
time-varying systems is presented. Using the Utkin-Drazenovic method of equivalent control …

This paper designs an active fault-tolerant control system for spacecraft attitude control in the
presence of actuator faults, fault estimation errors, and control input constraints. The …

A tutorial account of variable structure control with sliding mode is presented. The purpose is
to introduce in a concise manner the fundamental theory, main results, and practical …

A finite-time attitude tracking control scheme is proposed for spacecraft using terminal
sliding mode and Chebyshev neural network (NN)(CNN). The four-parameter …

This paper presents a new approach to vibration reduction of flexible spacecraft during
attitude maneuver by using the theory of variable structure control (VSC) to design switching …

The consequences of the differential algebraic approach in the sliding mode control of
nonlinear single-input single-output systems are reviewed in tutorial fashion. Input …

We characterized the epidemiology, host–pathogen characteristics, and outcomes of severe
adult pulmonary Streptococcus pyogenes infections that coincided with a high community …

A robust sliding-mode control law that deals with spacecraft attitude tracking problems is
presented. Two important natural properties related to the spacecraft model of motion are …

This paper studies higher order sliding-mode-control laws to deal with some spacecraft-
attitude-tracking problems. Quasi-continuous second-and third-order sliding controllers and …

A new algorithm is proposed for rigid spacecraft attitude reorientation guidance under
forbidden pointing constraints. Specifically, in view of the parameterized forbidden …