GlobalView

Showing items 1 - 15 of 24.

Add to Quick Collection   All 24 Results

Sort:
 Add All Items to Quick Collection
Date: 2017
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/1351261
Description: This study proposes a non-linear saturation-aware controller for dual-stage micro–nano actuators. Dual-stage motion systems use two actuators in series in order to achieve an improved performance: a <... More
Reviewed: Reviewed
Date: 2017
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/1352032
Description: Hysteretic characteristics commonly exist in piezoelectric actuators (PEAs) and degrade the positioning accuracy particularly in the case of low-frequency trajectory tracking. A PEA with hysteretic ch... More
Full Text: Full Text
Reviewed: Reviewed
Image Thumbnail
Date: 2016
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/1325246
Description: This paper proposes constrained optimal trajectories for the preview control of dual-stage actuators (DSA). Relying on the redundancy of actuators preview control allows the primary stage to move befo... More
Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/1337523
Description: A robust motion control system is essential for the linear motor (LM)-based direct drive to provide high speed and high-precision performance. This paper studies a systematic control design method usi... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/1064734
Description: This paper presents a framework for the nonlinear control of dual-stage actuators (DSA). Motivated by various nonlinear controllers that make use of sector bounded and L, nonlinearities fo... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/1297477
Description: This brief proposes an optimal preview control law for a dual-stage actuator (DSA) system to track triangular reference, which is essential in many raster scan motion control applications. The main di... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/1063501
Description: This paper proposes an optimal preview control law for a dual-stage actuators (DSA) system to track triangular references, which is essential in many raster scan motion control applications. The main ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/1327238
Description: Dual-stage actuators (DSAs) with piezoelectric (PZT) microactuators can provide faster track seeking and more accurate track following in hard disk drives (HDDs) than conventional single-stage actuato... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/1327430
Description: In this paper, we consider the H∞ filtering problem for linear systems using quantized measurements. The communication channel we consider consists of two cases: the ideal one and the unreliable one. ... More
Reviewed: Reviewed
Date: 2011
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/1041698
Description: This paper presents the design and control of a rotary dual-stage actuator (DSA) positioning system, which has a flexure-based beam driven by a voice coil motor (VCM) and a piezoelectric (PZT) actuato... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/927863
Description: This paper investigates a factorization approach to sensitivity loop shaping for disturbance rejection in hard disk drives (HDDs). The advantage of the factorization approach is that the system sensit... More
Full Text: Full Text
Reviewed: Reviewed
Image Thumbnail
Date: 2010
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/927858
Description: Sensor quantization is a key factor that deteriorates the tracking performance of positioning systems with low-resolution optical encoders. This paper presents a method to improve the performance of s... More
Full Text: Full Text
Reviewed: Reviewed
Image Thumbnail
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/933708
Description: This paper presents a unified approach to track seeking and following control of a hard disk drive (HDD) dual-stage actuator (DSA) system. Based on doubly coprime factorization (DCF) method, the DSA c... More
Full Text: Full Text
Reviewed: Reviewed
Image Thumbnail
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/933308
Description: Preview Control design is proposed in order to reduce the settling time of Dual-Stage Actuators (DSA’s). It is shown that a significantly better performance is achieved by exploring the extra degree o... More
Full Text: Full Text
Reviewed: Reviewed
Image Thumbnail
Date: 2010
Resource Type: journal article
Identifier: uon:9614
Description: This paper first reveals that the tracking and disturbance rejection problems can be decoupled into two independent optimization problems under the 2-DOF control framework. This result is then used fo... More
Full Text: Full Text
Reviewed: Reviewed
Image Thumbnail