Vibration analysis of HDD actuator with equivalent finite element model of VCM coil

Dong Woohn Kim; Jin Koo Lee; No Cheol Park; Young Pil Park

doi:10.1007/BF02983863

Vibration analysis of HDD actuator with equivalent finite element model of VCM coil

Dong Woohn Kim, Jin Koo Lee, No Cheol Park, Young Pil Park

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

As the rate of increase in areal density of the HDD has accelerated, dynamic characteristics of the HDD actuator need to be improved with respect to the performance of the tracking servo and shock transmission. Therefore, it is important to analyze the vibration characteristic of the HDD actuator that consists of the VCM part, E-block and pivot bearing. In this paper, vibration modes of the HDD actuator are investigated the using finite element and experimental modal analyses methods. To develop a detailed finite element model, finite element models of each components of the actuator assembly are constructed and tuned to the results of the EMA. The VCM coil is modeled as an equivalent finite element model that has an orthotropic material property using auto-model updating program. Auto-model updating program with improved sensitivity based iterative method is applied to build a detailed finite element model using the result of the EMA. A detailed finite element model of the HDD actuator is then constructed and analyzed.

Original language	English
Pages (from-to)	679-690
Number of pages	12
Journal	KSME International Journal
Volume	17
Issue number	5
DOIs	https://doi.org/10.1007/BF02983863
Publication status	Published - 2003 May

Bibliographical note

Funding Information:
This researchh as been supportedb y KOSEF (Grant No. 2000G0102)a nd the authorsa regra-teful for the support.

All Science Journal Classification (ASJC) codes

Mechanical Engineering

Access to Document

10.1007/BF02983863

Fingerprint Dive into the research topics of 'Vibration analysis of HDD actuator with equivalent finite element model of VCM coil'. Together they form a unique fingerprint.

Cite this

@article{0b7fd1bc477a48ada5d042984e4d7edb,

title = "Vibration analysis of HDD actuator with equivalent finite element model of VCM coil",

abstract = "As the rate of increase in areal density of the HDD has accelerated, dynamic characteristics of the HDD actuator need to be improved with respect to the performance of the tracking servo and shock transmission. Therefore, it is important to analyze the vibration characteristic of the HDD actuator that consists of the VCM part, E-block and pivot bearing. In this paper, vibration modes of the HDD actuator are investigated the using finite element and experimental modal analyses methods. To develop a detailed finite element model, finite element models of each components of the actuator assembly are constructed and tuned to the results of the EMA. The VCM coil is modeled as an equivalent finite element model that has an orthotropic material property using auto-model updating program. Auto-model updating program with improved sensitivity based iterative method is applied to build a detailed finite element model using the result of the EMA. A detailed finite element model of the HDD actuator is then constructed and analyzed.",

author = "Kim, {Dong Woohn} and Lee, {Jin Koo} and Park, {No Cheol} and Park, {Young Pil}",

note = "Funding Information: This researchh as been supportedb y KOSEF (Grant No. 2000G0102)a nd the authorsa regra-teful for the support.",

year = "2003",

month = may,

doi = "10.1007/BF02983863",

language = "English",

volume = "17",

pages = "679--690",

journal = "KSME Journal",

issn = "1738-494X",

publisher = "Korean Society of Mechanical Engineers",

number = "5",

}

TY - JOUR

T1 - Vibration analysis of HDD actuator with equivalent finite element model of VCM coil

AU - Kim, Dong Woohn

AU - Lee, Jin Koo

AU - Park, No Cheol

AU - Park, Young Pil

N1 - Funding Information: This researchh as been supportedb y KOSEF (Grant No. 2000G0102)a nd the authorsa regra-teful for the support.

PY - 2003/5

Y1 - 2003/5

N2 - As the rate of increase in areal density of the HDD has accelerated, dynamic characteristics of the HDD actuator need to be improved with respect to the performance of the tracking servo and shock transmission. Therefore, it is important to analyze the vibration characteristic of the HDD actuator that consists of the VCM part, E-block and pivot bearing. In this paper, vibration modes of the HDD actuator are investigated the using finite element and experimental modal analyses methods. To develop a detailed finite element model, finite element models of each components of the actuator assembly are constructed and tuned to the results of the EMA. The VCM coil is modeled as an equivalent finite element model that has an orthotropic material property using auto-model updating program. Auto-model updating program with improved sensitivity based iterative method is applied to build a detailed finite element model using the result of the EMA. A detailed finite element model of the HDD actuator is then constructed and analyzed.

AB - As the rate of increase in areal density of the HDD has accelerated, dynamic characteristics of the HDD actuator need to be improved with respect to the performance of the tracking servo and shock transmission. Therefore, it is important to analyze the vibration characteristic of the HDD actuator that consists of the VCM part, E-block and pivot bearing. In this paper, vibration modes of the HDD actuator are investigated the using finite element and experimental modal analyses methods. To develop a detailed finite element model, finite element models of each components of the actuator assembly are constructed and tuned to the results of the EMA. The VCM coil is modeled as an equivalent finite element model that has an orthotropic material property using auto-model updating program. Auto-model updating program with improved sensitivity based iterative method is applied to build a detailed finite element model using the result of the EMA. A detailed finite element model of the HDD actuator is then constructed and analyzed.

UR - http://www.scopus.com/inward/record.url?scp=4644321612&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=4644321612&partnerID=8YFLogxK

U2 - 10.1007/BF02983863

DO - 10.1007/BF02983863

M3 - Article

AN - SCOPUS:4644321612

VL - 17

SP - 679

EP - 690

JO - KSME Journal

JF - KSME Journal

SN - 1738-494X

IS - 5

ER -

Vibration analysis of HDD actuator with equivalent finite element model of VCM coil

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Cite this