ENHANCED INDIRECT-DRIVEN SELF-SENSING ACTUATION FOR PIEZOELECTRIC STRUCTURES

被引：0

作者：

Hu, Bin ^{[1
,2
]}

Wan, Jie ^{[1
]}

Pang, Chee Khiang ^{[2
]}

Hong, Fan ^{[3
]}

Tan, Jern Khang ^{[4
]}

机构：

[1] Western Digital R&D Ctr, Singapore 118261, Singapore

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117583, Singapore

[3] Univ Glasgow Singapore, Dept Aerosp Engn, SIT SP Bldg, Singapore 139660, Singapore

[4] Western Digital Asia HDD Engn, Kuala Lumpur 47307, Malaysia

来源：

PROCEEDINGS OF THE ASME CONFERENCE ON INFORMATION STORAGE AND PROCESSING SYSTEMS, 2016 | 2016年

关键词：

VIBRATION CONTROL;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Enhanced Indirect-Driven Self-Sensing Actuation (EIDSSA) is proposed to eliminate the coupling issue between sensing and actuation by improving the topology in [1]. With EIDSSA, actuation efforts can be fully delivered to PZT elements without compromising sensing performance. In addition, EIDSSA can be seamless switched on and off without servo loop retuning. A theoretical framework is established to quantitatively analyse the performance of self-sensing actuation in terms of sensing, actuation, decoupling and amplification. An implementation of EIDSSA on a commercial dual-stage Hard Disk Drive (HDD) shows that sensing can be designed independently from actuation and Total-Runout (TRO) is slightly improved with EIDSSA compared to baseline set-up when same servo control loop is used.

引用

页数：3

共 21 条

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