Nonlinear current controller applied to switching power supply
The invention discloses a non-linear current controller applied to a switching power supply, which comprises a main power circuit and a non-linear control circuit, and the non-linear control circuit is used for controlling the output voltage by sampling the output current, the output voltage and the...
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| creator | LI XUEYONG ALEXANDER YAO JIA WANG SHUZHENG |
| description | The invention discloses a non-linear current controller applied to a switching power supply, which comprises a main power circuit and a non-linear control circuit, and the non-linear control circuit is used for controlling the output voltage by sampling the output current, the output voltage and the inductive element current in the main power circuit. Compared with a traditional peak current controller, the nonlinear controller provided by the invention performs double sampling on load current and inductive current, and a voltage outer loop contains load current information, so that the transient response performance of the system during load change can be remarkably accelerated. And the response speed of the system can be further improved by adopting a nonlinear controller. Compared with a traditional current control method, the controller provided by the invention is not limited by bandwidth, subharmonic oscillation can be suppressed without slope compensation, and the control method provided by the inventi |
| format | Patent |
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Compared with a traditional peak current controller, the nonlinear controller provided by the invention performs double sampling on load current and inductive current, and a voltage outer loop contains load current information, so that the transient response performance of the system during load change can be remarkably accelerated. And the response speed of the system can be further improved by adopting a nonlinear controller. 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Compared with a traditional peak current controller, the nonlinear controller provided by the invention performs double sampling on load current and inductive current, and a voltage outer loop contains load current information, so that the transient response performance of the system during load change can be remarkably accelerated. And the response speed of the system can be further improved by adopting a nonlinear controller. Compared with a traditional current control method, the controller provided by the invention is not limited by bandwidth, subharmonic oscillation can be suppressed without slope compensation, and the control method provided by the inventi</description><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDzy8_LycxLTSxSSC4tKkrNK1FIzs8rKcrPyUktUkgsKMjJTE1RKMlXKC7PLEnOyMxLVyjILwdKFZcC5Sp5GFjTEnOKU3mhNDeDoptriLOHbmpBfnxqcUFicmpeakm8s5-hoZmRmYGxsbGjMTFqALjvMVA</recordid><startdate>20230613</startdate><enddate>20230613</enddate><creator>LI XUEYONG</creator><creator>ALEXANDER</creator><creator>YAO JIA</creator><creator>WANG SHUZHENG</creator><scope>EVB</scope></search><sort><creationdate>20230613</creationdate><title>Nonlinear current controller applied to switching power supply</title><author>LI XUEYONG ; ALEXANDER ; YAO JIA ; WANG SHUZHENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN116260333A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>LI XUEYONG</creatorcontrib><creatorcontrib>ALEXANDER</creatorcontrib><creatorcontrib>YAO JIA</creatorcontrib><creatorcontrib>WANG SHUZHENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI XUEYONG</au><au>ALEXANDER</au><au>YAO JIA</au><au>WANG SHUZHENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Nonlinear current controller applied to switching power supply</title><date>2023-06-13</date><risdate>2023</risdate><abstract>The invention discloses a non-linear current controller applied to a switching power supply, which comprises a main power circuit and a non-linear control circuit, and the non-linear control circuit is used for controlling the output voltage by sampling the output current, the output voltage and the inductive element current in the main power circuit. Compared with a traditional peak current controller, the nonlinear controller provided by the invention performs double sampling on load current and inductive current, and a voltage outer loop contains load current information, so that the transient response performance of the system during load change can be remarkably accelerated. And the response speed of the system can be further improved by adopting a nonlinear controller. Compared with a traditional current control method, the controller provided by the invention is not limited by bandwidth, subharmonic oscillation can be suppressed without slope compensation, and the control method provided by the inventi</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | Nonlinear current controller applied to switching power supply |
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