JP2006271153A5 - - Google Patents

Download PDF

Info

Publication number
JP2006271153A5
JP2006271153A5 JP2005088540A JP2005088540A JP2006271153A5 JP 2006271153 A5 JP2006271153 A5 JP 2006271153A5 JP 2005088540 A JP2005088540 A JP 2005088540A JP 2005088540 A JP2005088540 A JP 2005088540A JP 2006271153 A5 JP2006271153 A5 JP 2006271153A5
Authority
JP
Japan
Prior art keywords
lines
electric power
current detection
power steering
detection means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2005088540A
Other languages
Japanese (ja)
Other versions
JP2006271153A (en
JP4644013B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2005088540A priority Critical patent/JP4644013B2/en
Priority claimed from JP2005088540A external-priority patent/JP4644013B2/en
Publication of JP2006271153A publication Critical patent/JP2006271153A/en
Publication of JP2006271153A5 publication Critical patent/JP2006271153A5/ja
Application granted granted Critical
Publication of JP4644013B2 publication Critical patent/JP4644013B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (3)

ブリッジ回路を構成する複数のスイッチング素子のスイッチング動作によってステアリング系に操舵力を付与するブラシレスモータを駆動する電動機駆動手段を備え、前記電動機駆動手段が操舵入力の大きさに対応した目標電流に基づいて前記ブラシレスモータを駆動する電動パワーステアリング装置であって、
前記電動機駆動手段と前記ブラシレスモータとを接続する複数のラインのうち、任意の１本のラインを除く他の複数のラインに電流検出手段と自己のラインを開閉する開閉手段との双方が直列に挿入され、前記任意の１本のラインには、前記電流検出手段とインピーダンス値がほぼ等しいインピーダンス素子が挿入されていることを特徴とする電動パワーステアリング装置。 An electric motor driving means for driving a brushless motor that applies a steering force to the steering system by switching operations of a plurality of switching elements constituting the bridge circuit, wherein the electric motor driving means is based on a target current corresponding to the magnitude of the steering input. An electric power steering device for driving the brushless motor,
Of the plurality of lines connecting the electric motor driving means and the brushless motor, both the current detection means and the opening / closing means for opening and closing the own line are connected in series to a plurality of lines other than any one line. An electric power steering apparatus , wherein an impedance element having an impedance value substantially equal to that of the current detection means is inserted in the arbitrary one line . 前記複数のラインは３相ラインであることを特徴とする請求項１に記載の電動パワーステアリング装置。 The electric power steering apparatus according to claim 1, wherein the plurality of lines are three-phase lines. 前記３相ラインのうち、前記電流検出手段と前記開閉手段とが直列に挿入された２つのラインに所定の電流を通電して、当該電流検出手段および当該開閉手段の正常／異常判定を行うことを特徴とする請求項２に記載の電動パワーステアリング装置。 Of the three-phase lines, a predetermined current is passed through two lines in which the current detection means and the switching means are inserted in series to determine whether the current detection means and the switching means are normal or abnormal. The electric power steering apparatus according to claim 2 .
JP2005088540A 2005-03-25 2005-03-25 Electric power steering device Expired - Fee Related JP4644013B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005088540A JP4644013B2 (en) 2005-03-25 2005-03-25 Electric power steering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005088540A JP4644013B2 (en) 2005-03-25 2005-03-25 Electric power steering device

Publications (3)

Publication Number Publication Date
JP2006271153A JP2006271153A (en) 2006-10-05
JP2006271153A5 true JP2006271153A5 (en) 2007-11-01
JP4644013B2 JP4644013B2 (en) 2011-03-02

Family

ID=37206512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005088540A Expired - Fee Related JP4644013B2 (en) 2005-03-25 2005-03-25 Electric power steering device

Country Status (1)

Country Link
JP (1) JP4644013B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100848484B1 (en) 2006-10-24 2008-07-28 주식회사 만도 Motor Driving Circuit for Measuring Motor Current by Using Hall IC Sensor
CN101682289B (en) 2007-06-28 2012-07-04 三菱电机株式会社 Power converter
JP5243767B2 (en) * 2007-10-23 2013-07-24 株式会社ジェイテクト Electric power steering device
JP5029312B2 (en) * 2007-11-20 2012-09-19 株式会社ジェイテクト Electric power steering device
JP5251469B2 (en) * 2008-12-08 2013-07-31 日本精工株式会社 Electric power steering device
JP5688689B2 (en) * 2012-08-27 2015-03-25 株式会社デンソー Electric motor drive device and electric power steering device using the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0974794A (en) * 1995-09-05 1997-03-18 Toyota Motor Corp Abnormality detection device for control circuit of ac motor
JP2005065443A (en) * 2003-08-18 2005-03-10 Koyo Seiko Co Ltd Electric power steering device

Similar Documents

Publication Publication Date Title
CN107078681B (en) Control device of electric motor, electric power steering apparatus and fault of dc-to-ac converter system detection method
JP2006271153A5 (en)
ATE421096T1 (en) DEVICE FOR GROUND FAULT DETECTION FOR A MOTOR DRIVE CIRCUIT
JP5742356B2 (en) Control device for electric power steering device
ATE372598T1 (en) CIRCUIT BREAKERS FOR ELECTRICAL SUPPLY LINES OF MOTOR VEHICLES
EP2299587A3 (en) Motor drive device capable of detecting a fault condition
WO2017002766A1 (en) Current detection device
EP2665177A3 (en) Braking apparatus for three-phase brushless motor, and motor-driven appliance provided with same
DE602008004961D1 (en) Multi-phase AC motor drive device
WO2008129658A1 (en) Electric motor control apparatus
JP2009035155A (en) Electric power steering device
WO2008113458A3 (en) Method and device for detecting the rotation of a brush-operated d.c. motor
JP2009261067A (en) Motor controller and electric power steering device
JP2010104187A5 (en)
EP1658556A4 (en) Fault detection in an electric power-assisted steering system
JP2013223371A (en) Motor drive device
JP2019122238A5 (en)
GB2556302A (en) Control for electric power steering
KR101469435B1 (en) Circuit For Detecting Line Break
TW200603047A (en) Drive circuit
EP1847839A3 (en) Method of screening a resistive short-circuit, system, module and recording medium for this method
JP5808780B2 (en) Abnormality detection device for circuit system of stepping motor
JP2010028984A (en) Power conversion apparatus
WO2009118239A3 (en) Method for checking the operability of a switching unit
JP2009544271A5 (en)