Adaptive Digital Controller and Design Considerations for a Variable Switching Frequency Voltage Regulator
An auto-tuning adaptive digital controller with maximum efficiency point tracking to optimize dc-dc converter switching frequency is presented in this paper. The adaptive-frequency-optimization (AFO) controller adjusts the dc-dc converter switching frequency while tracking the converter minimum inpu...
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| Veröffentlicht in: | IEEE transactions on power electronics 2009-11, Vol.24 (11), p.2589-2602 |
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| container_title | IEEE transactions on power electronics |
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| creator | Al-Hoor, W. Abu-Qahouq, J.A. Huang, L. Mikhael, W.B. Batarseh, I. |
| description | An auto-tuning adaptive digital controller with maximum efficiency point tracking to optimize dc-dc converter switching frequency is presented in this paper. The adaptive-frequency-optimization (AFO) controller adjusts the dc-dc converter switching frequency while tracking the converter minimum input power (maximum efficiency) point under variable operation conditions of the power converter. The AFO digital controller continuously finds the optimum switching frequency that will result in minimum total power loss while converter parameters and conditions vary. Moreover, the presented controller addresses the issues that are associated with implementing variable switching frequency in digital controllers, including limit cycle oscillation and possible performance degradation, by using a dynamic algorithm to maintain converter system stability under variable switching frequency operation. In this paper, the proposed controller is discussed, analyzed, and its digital control algorithms and experimental results are presented. |
| doi_str_mv | 10.1109/TPEL.2009.2031439 |
| format | Article |
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The adaptive-frequency-optimization (AFO) controller adjusts the dc-dc converter switching frequency while tracking the converter minimum input power (maximum efficiency) point under variable operation conditions of the power converter. The AFO digital controller continuously finds the optimum switching frequency that will result in minimum total power loss while converter parameters and conditions vary. Moreover, the presented controller addresses the issues that are associated with implementing variable switching frequency in digital controllers, including limit cycle oscillation and possible performance degradation, by using a dynamic algorithm to maintain converter system stability under variable switching frequency operation. In this paper, the proposed controller is discussed, analyzed, and its digital control algorithms and experimental results are presented.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2009.2031439</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Adaptive control ; Adaptive control systems ; Algorithms ; Control systems ; Converters ; dc-dc converter ; DC-DC power converters ; Digital ; Digital control ; Digital-to-frequency converters ; dynamic response ; efficiency ; Electric currents ; Electric power ; Electrical equipment ; Frequencies ; limit cycle ; Limit cycle oscillations ; Optimization ; Programmable control ; Regulators ; Switching ; Switching converters ; Switching frequency ; Systems stability ; Tracking ; variable frequency ; Voltage control</subject><ispartof>IEEE transactions on power electronics, 2009-11, Vol.24 (11), p.2589-2602</ispartof><rights>Copyright Institute of Electrical and Electronics Engineers, Inc. (IEEE) Nov 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-ea41ecf8cc9d377f5abffc81cfa7de087109631caa356987ab8eaa5d8754a3a03</citedby><cites>FETCH-LOGICAL-c357t-ea41ecf8cc9d377f5abffc81cfa7de087109631caa356987ab8eaa5d8754a3a03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5232889$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5232889$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Al-Hoor, W.</creatorcontrib><creatorcontrib>Abu-Qahouq, J.A.</creatorcontrib><creatorcontrib>Huang, L.</creatorcontrib><creatorcontrib>Mikhael, W.B.</creatorcontrib><creatorcontrib>Batarseh, I.</creatorcontrib><title>Adaptive Digital Controller and Design Considerations for a Variable Switching Frequency Voltage Regulator</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>An auto-tuning adaptive digital controller with maximum efficiency point tracking to optimize dc-dc converter switching frequency is presented in this paper. The adaptive-frequency-optimization (AFO) controller adjusts the dc-dc converter switching frequency while tracking the converter minimum input power (maximum efficiency) point under variable operation conditions of the power converter. The AFO digital controller continuously finds the optimum switching frequency that will result in minimum total power loss while converter parameters and conditions vary. Moreover, the presented controller addresses the issues that are associated with implementing variable switching frequency in digital controllers, including limit cycle oscillation and possible performance degradation, by using a dynamic algorithm to maintain converter system stability under variable switching frequency operation. In this paper, the proposed controller is discussed, analyzed, and its digital control algorithms and experimental results are presented.</description><subject>Adaptive control</subject><subject>Adaptive control systems</subject><subject>Algorithms</subject><subject>Control systems</subject><subject>Converters</subject><subject>dc-dc converter</subject><subject>DC-DC power converters</subject><subject>Digital</subject><subject>Digital control</subject><subject>Digital-to-frequency converters</subject><subject>dynamic response</subject><subject>efficiency</subject><subject>Electric currents</subject><subject>Electric power</subject><subject>Electrical equipment</subject><subject>Frequencies</subject><subject>limit cycle</subject><subject>Limit cycle oscillations</subject><subject>Optimization</subject><subject>Programmable control</subject><subject>Regulators</subject><subject>Switching</subject><subject>Switching converters</subject><subject>Switching frequency</subject><subject>Systems stability</subject><subject>Tracking</subject><subject>variable frequency</subject><subject>Voltage control</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kcFuFDEMhiMEEkvhARCXiAtcpsSTyUxyrLYtIK0EgtJr5M14hqzSyZJki_r2ZLUVBw5cbMv-bPnXz9hrEOcAwny4-Xq1OW-FMDVI6KR5wlZgOmgEiOEpWwmtVaONkc_Zi5x3QkCnBKzY7mLEffH3xC_97AsGvo5LSTEEShyXkV9S9vNy7GY_UsLia8WnWKf8FpPHbSD-_bcv7qdfZn6d6NeBFvfAb2MoOBP_RvMhYInpJXs2Ycj06jGfsR_XVzfrT83my8fP64tN46QaSkPYAblJO2dGOQyTwu00OQ1uwmEkoYcqt5fgEKXqjR5wqwlRjXpQHUoU8oy9O93dp1h_ycXe-ewoBFwoHrLVoLXs5dBW8v1_SZC9AqmMVhV9-w-6i4e0VB22FX2ve2i7CsEJcinmnGiy--TvMD1YEPZokz3aZI822Ueb6s6b044nor-8amWrtZF_AADhj4Y</recordid><startdate>20091101</startdate><enddate>20091101</enddate><creator>Al-Hoor, W.</creator><creator>Abu-Qahouq, J.A.</creator><creator>Huang, L.</creator><creator>Mikhael, W.B.</creator><creator>Batarseh, I.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The adaptive-frequency-optimization (AFO) controller adjusts the dc-dc converter switching frequency while tracking the converter minimum input power (maximum efficiency) point under variable operation conditions of the power converter. The AFO digital controller continuously finds the optimum switching frequency that will result in minimum total power loss while converter parameters and conditions vary. Moreover, the presented controller addresses the issues that are associated with implementing variable switching frequency in digital controllers, including limit cycle oscillation and possible performance degradation, by using a dynamic algorithm to maintain converter system stability under variable switching frequency operation. In this paper, the proposed controller is discussed, analyzed, and its digital control algorithms and experimental results are presented.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPEL.2009.2031439</doi><tpages>14</tpages></addata></record> |
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| identifier | ISSN: 0885-8993 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Adaptive control Adaptive control systems Algorithms Control systems Converters dc-dc converter DC-DC power converters Digital Digital control Digital-to-frequency converters dynamic response efficiency Electric currents Electric power Electrical equipment Frequencies limit cycle Limit cycle oscillations Optimization Programmable control Regulators Switching Switching converters Switching frequency Systems stability Tracking variable frequency Voltage control |
| title | Adaptive Digital Controller and Design Considerations for a Variable Switching Frequency Voltage Regulator |
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