Repetitive control for systems with uncertain period-time

M Steinbuch - Automatica, 2002 - Elsevier
Repetitive control is useful if periodic disturbances act on a control system. Perfect
(asymptotic) disturbance rejection is achieved if the period-time is exactly known. For those …

Differences in cognitive impairment of relapsing remitting, secondary, and primary progressive MS

SCJ Huijbregts, NF Kalkers, LMJ De Sonneville… - Neurology, 2004 - AAN Enterprises
Objective: To investigate the cognitive skills of patients with relapsing remitting multiple
sclerosis (RRMS), secondary progressive MS (SPMS), and primary progressive MS (PPMS) …

Linear phase lead compensation repetitive control of a CVCF PWM inverter

B Zhang, D Wang, K Zhou… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
This paper presents a simple and efficient linear phase lead compensation repetitive control
scheme for engineers to develop high-performance power converter systems. The linear …

Digital repetitive learning controller for three-phase CVCF PWM inverter

K Zhou, D Wang - IEEE Transactions on Industrial Electronics, 2001 - ieeexplore.ieee.org
In this paper, a plug-in digital repetitive leaning control scheme is proposed for three-phase
constant-voltage constant-frequency (CVCF) pulsewidth modulation inverters to achieve …

Design of noise and period-time robust high-order repetitive control, with application to optical storage

M Steinbuch, S Weiland, T Singh - Automatica, 2007 - Elsevier
Repetitive control is useful if periodic disturbances or setpoints act on a control system.
Perfect (asymptotic) disturbance rejection is achieved if the period time is exactly known …

Plug-in dual-mode-structure repetitive controller for CVCF PWM inverters

K Zhou, D Wang, B Zhang… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
Repetitive control (RC) is found to be a high-performance control scheme for constant-
voltage constant-frequency (CVCF) pulsewidth-modulated (PWM) converters to eliminate …

Convergence and robustness of discrete time nonlinear systems with iterative learning control

D Wang - Automatica, 1998 - Elsevier
In this paper, iterative learning control design of a class of discrete time nonlinear dynamic
systems with disturbances are considered. An iterative learning control law is proposed to …

Rejection of periodic disturbances of unknown and time‐varying frequency

M Bodson - International Journal of Adaptive Control and …, 2005 - Wiley Online Library
The paper reviews available methods for the rejection of periodic disturbances. Such
disturbances are often encountered in active noise and vibration control, due to rotating …

Enhanced neural network control of lower limb rehabilitation exoskeleton by add-on repetitive learning

Y Yang, D Huang, X Dong - Neurocomputing, 2019 - Elsevier
This paper addresses neural network (NN) control of a lower limb exoskeleton for
rehabilitation. Two control schemes are presented for exoskeleton to conduct trajectory …

Adaptive algorithms for the rejection of sinusoidal disturbances acting on unknown plants

S Pigg, M Bodson - IEEE Transactions on Control Systems …, 2009 - ieeexplore.ieee.org
The rejection of periodic disturbances is a problem frequently encountered in control
engineering, and in active noise and vibration control in particular. The paper presents a …