This paper presents a tutorial on iterative learning control (ILC) and repetitive control (RC)
techniques in hard disk drive (HDD) industry for compensation of repeatable runouts (RRO) …

Repetitive control method is well known for its high performances in feedback systems that
are subject to periodic exogenous inputs. This paper reviews the theory and applications of …

Robustness is often of crucial importance in control system design. Real engineering
systems are vulnerable to external disturbance and measurement noise and there are …

In a modular multilevel converter (MMC), the interaction between switching actions and
fluctuating capacitor voltages of the submodules results in second-and other even-order …

When performing periodic tasks, the modeling uncertainties will also present some
periodicity. In this paper, by appropriately applying Fourier series approximation, a practical …

Presents a tutorial on phase-locked loops from a control systems perspective. It starts with
an introduction of the loop as a feedback control problem, with both the similarities and …

The hard disk drive is one of the finest examples of the precision control of mechatronics,
with tolerances less than one micrometer achieved while operating at high speed …

The series Advances in Industrial Control aims to report and encourage technology transfer
in control engineering. The rapid development of control technology has an impact on all …

Learning control encompasses a class of control algorithms for programmable machines
such as robots which attain, through an iterative process, the motor dexterity that enables the …

In repetitive control (RC), the enhanced servo performance at the fundamental frequency
and its higher order harmonics is usually followed by undesired error amplifications at other …