Design Optimization of Write Head for Shingled Magnetic Recording
Following a study on the optimal write head design for perpendicular magnetic recording, this paper aims at optimizing the design of write head for shingled magnetic record by applying the Taguchi method and the response surface methodology. The criteria for the evaluation of the write head design a...
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| Veröffentlicht in: | IEEE transactions on magnetics 2016-07, Vol.52 (7), p.1-4 |
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| creator | Hongtao Wang Tabuse, Yuki Kheong Sann Chan Kanai, Yasushi Zhimin Yuan Shafidah, Sari |
| description | Following a study on the optimal write head design for perpendicular magnetic recording, this paper aims at optimizing the design of write head for shingled magnetic record by applying the Taguchi method and the response surface methodology. The criteria for the evaluation of the write head design are to maximize the signal-to-noise ratio (SNR) and minimize the bit error rate (BER) in the shingled magnetic recording (SMR). In this paper, the magnetic fields of the write head designs are modeled using finite-element analysis, the SMRs are simulated by applying micromagnetic modeling based on Landau-Lifshitz-Gilbert equation, and the SNR and the BER are characterized using the grain flipping probability model. An optimal design of the write head is obtained to achieve the maximum SNR and the minimum BER. A discussion on the erasure band width is also carried out in this paper. Furthermore, the SNR and the BER at different bits and track densities in SMR are compared and discussed. |
| doi_str_mv | 10.1109/TMAG.2015.2510401 |
| format | Article |
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The criteria for the evaluation of the write head design are to maximize the signal-to-noise ratio (SNR) and minimize the bit error rate (BER) in the shingled magnetic recording (SMR). In this paper, the magnetic fields of the write head designs are modeled using finite-element analysis, the SMRs are simulated by applying micromagnetic modeling based on Landau-Lifshitz-Gilbert equation, and the SNR and the BER are characterized using the grain flipping probability model. An optimal design of the write head is obtained to achieve the maximum SNR and the minimum BER. A discussion on the erasure band width is also carried out in this paper. 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The criteria for the evaluation of the write head design are to maximize the signal-to-noise ratio (SNR) and minimize the bit error rate (BER) in the shingled magnetic recording (SMR). In this paper, the magnetic fields of the write head designs are modeled using finite-element analysis, the SMRs are simulated by applying micromagnetic modeling based on Landau-Lifshitz-Gilbert equation, and the SNR and the BER are characterized using the grain flipping probability model. An optimal design of the write head is obtained to achieve the maximum SNR and the minimum BER. A discussion on the erasure band width is also carried out in this paper. Furthermore, the SNR and the BER at different bits and track densities in SMR are compared and discussed.</description><subject>Analytical models</subject><subject>Bit error rate</subject><subject>Computer simulation</subject><subject>Design analysis</subject><subject>Design optimization</subject><subject>Magnetic fields</subject><subject>Magnetic heads</subject><subject>Magnetic recording</subject><subject>magnetic write head</subject><subject>Magnetism</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>micromagnetic model</subject><subject>Micromagnetics</subject><subject>Optimization</subject><subject>Response surface methodology</subject><subject>Signal to noise ratio</subject><subject>Thermal energy</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE9Lw0AQxRdRsP75AOIl4MVL6kyy2c0eS9UqVASteFw2m0ndkiZ1Nz3op3dLxYOnYYbfG957jF0gjBFB3SyeJrNxBliMswKBAx6wESqOKYBQh2wEgGWquODH7CSEVVx55EZsckvBLbvkeTO4tfs2g-u7pG-Sd-8GSh7I1EnT--T1w3XLlurkySw7GpxNXsj2vo7XM3bUmDbQ-e88ZW_3d4vpQzp_nj1OJ_PUZrIc0sxCpVRWlA1GF0pURY2ZAUGqFgoEZiAqBLJW2UoKkFUueSGNJKqM5LnKT9n1_u_G959bCoNeu2CpbU1H_TZoLLOiyPOYOaJX_9BVv_VddKdRKqVKEFxECveU9X0Inhq98W5t_JdG0LtS9a5UvStV_5YaNZd7jSOiP17mJY-R8h8WtXBP</recordid><startdate>201607</startdate><enddate>201607</enddate><creator>Hongtao Wang</creator><creator>Tabuse, Yuki</creator><creator>Kheong Sann Chan</creator><creator>Kanai, Yasushi</creator><creator>Zhimin Yuan</creator><creator>Shafidah, Sari</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The criteria for the evaluation of the write head design are to maximize the signal-to-noise ratio (SNR) and minimize the bit error rate (BER) in the shingled magnetic recording (SMR). In this paper, the magnetic fields of the write head designs are modeled using finite-element analysis, the SMRs are simulated by applying micromagnetic modeling based on Landau-Lifshitz-Gilbert equation, and the SNR and the BER are characterized using the grain flipping probability model. An optimal design of the write head is obtained to achieve the maximum SNR and the minimum BER. A discussion on the erasure band width is also carried out in this paper. Furthermore, the SNR and the BER at different bits and track densities in SMR are compared and discussed.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMAG.2015.2510401</doi><tpages>4</tpages></addata></record> |
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| subjects | Analytical models Bit error rate Computer simulation Design analysis Design optimization Magnetic fields Magnetic heads Magnetic recording magnetic write head Magnetism Mathematical analysis Mathematical models micromagnetic model Micromagnetics Optimization Response surface methodology Signal to noise ratio Thermal energy |
| title | Design Optimization of Write Head for Shingled Magnetic Recording |
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