Motor controller

A motor controller for an axial-gap motor permits a reduced size of the entire system of including a drive circuit and a power source of the motor, reduced cost, and higher reliability to be achieved by controlling the energization mode of the motor. The motor controller has a torque command determi...

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1. Verfasser:	Atarashi, Hirofumi
Format:	Patent
Sprache:	eng
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creator	Atarashi, Hirofumi
description	A motor controller for an axial-gap motor permits a reduced size of the entire system of including a drive circuit and a power source of the motor, reduced cost, and higher reliability to be achieved by controlling the energization mode of the motor. The motor controller has a torque command determiner which inputs a first DC voltage to a first inverter at least either when a rotor is at a halt or when the number of revolutions of the rotor is a predetermined number of revolutions or less, supplies a field axis current for changing the magnetic flux of a field of the rotor to a first stator from the first inverter such that the amount of energization is temporally changed, converts an induced voltage developed in a second stator by the supplied field axis current into a second DC voltage by a second inverter, and outputs the second DC voltage, thereby charging a second battery.
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The motor controller has a torque command determiner which inputs a first DC voltage to a first inverter at least either when a rotor is at a halt or when the number of revolutions of the rotor is a predetermined number of revolutions or less, supplies a field axis current for changing the magnetic flux of a field of the rotor to a first stator from the first inverter such that the amount of energization is temporally changed, converts an induced voltage developed in a second stator by the supplied field axis current into a second DC voltage by a second inverter, and outputs the second DC voltage, thereby charging a second battery.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZBDwzS_JL1JIzs8rKcrPyUkt4mFgTUvMKU7lhdLcDApuriHOHrqlxQWJJal5JcXx6UWJIMrAwsDEwMDS2JgIJQCplyBK</recordid><startdate>20111018</startdate><enddate>20111018</enddate><creator>Atarashi, Hirofumi</creator><scope>EFH</scope></search><sort><creationdate>20111018</creationdate><title>Motor controller</title><author>Atarashi, Hirofumi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_080400933</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Atarashi, Hirofumi</creatorcontrib><creatorcontrib>Honda Motor Co., Ltd</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Atarashi, Hirofumi</au><aucorp>Honda Motor Co., Ltd</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Motor controller</title><date>2011-10-18</date><risdate>2011</risdate><abstract>A motor controller for an axial-gap motor permits a reduced size of the entire system of including a drive circuit and a power source of the motor, reduced cost, and higher reliability to be achieved by controlling the energization mode of the motor. The motor controller has a torque command determiner which inputs a first DC voltage to a first inverter at least either when a rotor is at a halt or when the number of revolutions of the rotor is a predetermined number of revolutions or less, supplies a field axis current for changing the magnetic flux of a field of the rotor to a first stator from the first inverter such that the amount of energization is temporally changed, converts an induced voltage developed in a second stator by the supplied field axis current into a second DC voltage by a second inverter, and outputs the second DC voltage, thereby charging a second battery.</abstract><oa>free_for_read</oa></addata></record>
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recordid	cdi_uspatents_grants_08040093
source	USPTO Issued Patents
title	Motor controller
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