METHOD FOR SENSORLESS COMMUTATION OF A BRUSHLESS DIRECT CURRENT MOTOR
A method for sensorless commutation of a BLDC motor is presented, wherein the following steps are executed.In step 1, the voltage (U phase) of a currentless phase is sampled in predetermined time intervals (T). In step 2, the voltage of the zero crossing (UV/2), and the associated rotational rate, i...
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| creator | THOMAS HODRIUS ANDREAS FUESSL IGOR JANTZEN HOLGER GOHMERT |
| description | A method for sensorless commutation of a BLDC motor is presented, wherein the following steps are executed.In step 1, the voltage (U phase) of a currentless phase is sampled in predetermined time intervals (T). In step 2, the voltage of the zero crossing (UV/2), and the associated rotational rate, is determined on the basis of the time difference between two sampling points (T1, T2), and the point in time of the zero crossing is supplied to a commutation timer (K), when a zero crossing has been detected between two sampling points (T1, T2). In step 3, the time until a predefined angular rotation of the motor is calculated on the basis of the determined rotational rate, and this time is transmitted to the commutation timer (K). In step 4, the commutation is initiated and the commutation timer (K) is reset when the time transmitted to the commutation timer (K) has elapsed.
本发明提供了种用于以无传感器方式使BLDC电动机换向的方法，其中，实施有如下步骤：-步骤S1：以预先确定的时间间隔(T)来扫描无电流的相的电压(U)，-步骤S2：在识别出在两个扫描点(T、T)之间的过零时，基于在两个扫描点(T、T)之间的时间差来确定过零的电压(U)和所属的转速， |
| format | Patent |
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本发明提供了种用于以无传感器方式使BLDC电动机换向的方法，其中，实施有如下步骤：-步骤S1：以预先确定的时间间隔(T)来扫描无电流的相的电压(U)，-步骤S2：在识别出在两个扫描点(T、T)之间的过零时，基于在两个扫描点(T、T)之间的时间差来确定过零的电压(U)和所属的转速，</description><language>chi ; eng</language><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170711&DB=EPODOC&CC=CN&NR=106941331A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25546,76297</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170711&DB=EPODOC&CC=CN&NR=106941331A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>THOMAS HODRIUS</creatorcontrib><creatorcontrib>ANDREAS FUESSL</creatorcontrib><creatorcontrib>IGOR JANTZEN</creatorcontrib><creatorcontrib>HOLGER GOHMERT</creatorcontrib><title>METHOD FOR SENSORLESS COMMUTATION OF A BRUSHLESS DIRECT CURRENT MOTOR</title><description>A method for sensorless commutation of a BLDC motor is presented, wherein the following steps are executed.In step 1, the voltage (U phase) of a currentless phase is sampled in predetermined time intervals (T). In step 2, the voltage of the zero crossing (UV/2), and the associated rotational rate, is determined on the basis of the time difference between two sampling points (T1, T2), and the point in time of the zero crossing is supplied to a commutation timer (K), when a zero crossing has been detected between two sampling points (T1, T2). In step 3, the time until a predefined angular rotation of the motor is calculated on the basis of the determined rotational rate, and this time is transmitted to the commutation timer (K). In step 4, the commutation is initiated and the commutation timer (K) is reset when the time transmitted to the commutation timer (K) has elapsed.
本发明提供了种用于以无传感器方式使BLDC电动机换向的方法，其中，实施有如下步骤：-步骤S1：以预先确定的时间间隔(T)来扫描无电流的相的电压(U)，-步骤S2：在识别出在两个扫描点(T、T)之间的过零时，基于在两个扫描点(T、T)之间的时间差来确定过零的电压(U)和所属的转速，</description><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD1dQ3x8HdRcPMPUgh29Qv2D_JxDQ5WcPb39Q0NcQzx9PdT8HdTcFRwCgoN9gBLuXgGuTqHKDiHBgW5-oUo-PqH-AfxMLCmJeYUp_JCaW4GRTfXEGcP3dSC_PjU4oLE5NS81JJ4Zz9DAzNLE0NjY0NHY2LUAACmpSxN</recordid><startdate>20170711</startdate><enddate>20170711</enddate><creator>THOMAS HODRIUS</creator><creator>ANDREAS FUESSL</creator><creator>IGOR JANTZEN</creator><creator>HOLGER GOHMERT</creator><scope>EVB</scope></search><sort><creationdate>20170711</creationdate><title>METHOD FOR SENSORLESS COMMUTATION OF A BRUSHLESS DIRECT CURRENT MOTOR</title><author>THOMAS HODRIUS ; ANDREAS FUESSL ; IGOR JANTZEN ; HOLGER GOHMERT</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN106941331A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2017</creationdate><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>THOMAS HODRIUS</creatorcontrib><creatorcontrib>ANDREAS FUESSL</creatorcontrib><creatorcontrib>IGOR JANTZEN</creatorcontrib><creatorcontrib>HOLGER GOHMERT</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>THOMAS HODRIUS</au><au>ANDREAS FUESSL</au><au>IGOR JANTZEN</au><au>HOLGER GOHMERT</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR SENSORLESS COMMUTATION OF A BRUSHLESS DIRECT CURRENT MOTOR</title><date>2017-07-11</date><risdate>2017</risdate><abstract>A method for sensorless commutation of a BLDC motor is presented, wherein the following steps are executed.In step 1, the voltage (U phase) of a currentless phase is sampled in predetermined time intervals (T). In step 2, the voltage of the zero crossing (UV/2), and the associated rotational rate, is determined on the basis of the time difference between two sampling points (T1, T2), and the point in time of the zero crossing is supplied to a commutation timer (K), when a zero crossing has been detected between two sampling points (T1, T2). In step 3, the time until a predefined angular rotation of the motor is calculated on the basis of the determined rotational rate, and this time is transmitted to the commutation timer (K). In step 4, the commutation is initiated and the commutation timer (K) is reset when the time transmitted to the commutation timer (K) has elapsed.
本发明提供了种用于以无传感器方式使BLDC电动机换向的方法，其中，实施有如下步骤：-步骤S1：以预先确定的时间间隔(T)来扫描无电流的相的电压(U)，-步骤S2：在识别出在两个扫描点(T、T)之间的过零时，基于在两个扫描点(T、T)之间的时间差来确定过零的电压(U)和所属的转速，</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | METHOD FOR SENSORLESS COMMUTATION OF A BRUSHLESS DIRECT CURRENT MOTOR |
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