Paper-Conference

Transient Enhancement in Add-On Feedforward Algorithms for High-Performance Mechatronic Systems
In this paper, we analyze the problem of control injection in feedforward compensation, and discuss the transient enhancement in add-on …
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Selective Iterative Learning Control to Deal With Iteration-Dependent Disturbances
In precision systems that repeatedly execute the same task, iterative learning control (ILC) may be adopted for rejection of …
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A Nonlinear Feedback Control Scheme for Transient Performance Enhancement in Hard Disk Drives
This paper aims to develop a nonlinear control algorithm to break the limitations of linear PID controls and improve the transient …
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Control Design for Cancellation of Unnatural Reaction Torque and Vibrations in Variable-Gear-Ratio Steering System
Variable-gear-ratio steering is an advanced feature in automotive vehicles. As the name suggest, it changes the steering gear ratio …
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Reduced-Complexity and Robust Youla Parameterization for Discrete-Time Dual-Input-Single-Output Systems
A loop-shaping idea for dual-input-single-output (DISO) systems is presented in this paper. We explore special forms of Youla …
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Selective Model Inversion and Adaptive Disturbance Observer for Rejection of Time-varying Vibrations on an Active Suspension
This paper presents an adaptive control scheme for identifying and rejecting unknown and/or time-varying narrow-band vibrations. We …
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Control Methodologies for Precision Positioning Systems
We have many servo systems that require nano/micro level positioning accuracy. This requirement sets a number of interesting challenges …
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Neural-Network Based Automatic PID Gain Tuning in the Presence of Time-Varying Disturbances in Hard Disk Drives
In hard disk drive (HDD) systems, disturbances commonly contain different frequency components that are time-varying in nature. …
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Add-on Loop Shaping via Youla Parameterization for Precision Motion Control
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Inverse-Based Local Loop Shaping and IIR-filter Design For Precision Motion Control
In motion-control problems such as vibration rejection, periodical reference tracking, and harmonic disturbance cancellation, the …
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