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1. 发明专利

JP2014138530A Electric power steering device 有权
标题翻译：电动转向装置
公开(公告)号：JP2014138530A
公开(公告)日：2014-07-28
申请号：JP2013007201
申请日：2013-01-18
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Jtekt Corp , 株式会社ジェイテクト
发明人： AOKI KENICHIRO , MIKAMO SATORU
IPC分类号： H02P6/18 , B62D5/04 , B62D6/00 , B62D101/00 , B62D119/00 , H02P21/00 , H02P27/04 , H02P27/06
CPC分类号： B62D5/0463 , B62D5/046 , B62D5/0481
摘要： PROBLEM TO BE SOLVED: To reduce a calculation amount in the case of performing sensorless control in an electric power steering device which performs drive control of a motor in a plurality of drive systems.SOLUTION: An electric angle estimation section 110 has: an α-axis voltage component addition section 115 and a β-axis voltage component addition section 116 which add voltage vectors of a 2-phase fixed coordinate system of a first coil and a second coil; an α-axis current component addition section 117 and a β-axis current component addition section 118 which add current vectors of the 2-phase fixed coordinate system; and an induction voltage calculation section 119 which calculates an induction voltage E on the basis of the added voltage vector and current vector.
摘要翻译：要解决的问题：在执行多个驱动系统中的电动机的驱动控制的电动助力转向装置中进行无传感器控制的情况下减少计算量。解决方案：电角度估计部110具有：轴电压分量加法部115和加法电压分量相加部116，其添加第一线圈和第二线圈的2相固定坐标系的电压矢量; 添加2相固定坐标系的电流矢量的α轴电流分量附加部117和“b”轴电流分量相加部118，以及感应电压计算部119，其基于相加的电压矢量和电流矢量来计算感应电压E.

2. 发明专利

JP2014141173A Vehicle steering control device 有权
标题翻译：车辆转向控制装置
公开(公告)号：JP2014141173A
公开(公告)日：2014-08-07
申请号：JP2013010764
申请日：2013-01-24
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Jtekt Corp , 株式会社ジェイテクト
发明人： AOKI KENICHIRO , MIKAMO SATORU , YAMANO HISANORI
IPC分类号： B62D6/00 , B62D5/04 , B62D117/00 , B62D119/00
CPC分类号： B62D5/0463 , B62D5/0472 , B62D5/0484 , B62D5/049 , B62D6/10
摘要： PROBLEM TO BE SOLVED: To provide a vehicle steering control device capable of stably assisting in a driver's steering wheel operation even if abnormality occurs to a torque sensor.SOLUTION: If abnormality occurs to a detection operation of a steering torque sensor 22, a torque value computing unit 31 computes a torque value T and an S&H 33 holds the torque value T and supplies the torque value T to a basic-controlled-valuable computing unit 35 as a control torque value Th in an electronic control unit 24. Furthermore, a torque differential computing unit 32 computes a torque differential value T', and an S&H 34 holds the torque differential value T' and supplies the torque differential value T' to a differential-controlled-valuable computing unit 36 as a control torque differential value T'h. Moreover, in the unit 24, an angular velocity computing unit 42 temporally differentiates a rotational angle Θ of a steering system to compute an angular velocity Θ', and supplies the angular velocity Θ' to a damping controlled-valuable computing unit 43. The computing unit 43 performs computing by increasing an absolute value of the damping controlled valuable Tc relative to the angular velocity Θ' when the abnormality occurs to the sensor 22 as compared with a case where the sensor 22 is normal.
摘要翻译：要解决的问题：提供一种能够稳定地辅助驾驶员的方向盘操作的车辆转向控制装置，即使是转矩传感器发生异常。解决方案：如果转向转矩传感器22的检测操作发生异常，则转矩值计算单元31计算转矩值T，并且S＆H 33保持转矩值T，并将扭矩值T作为电子控制单元24中的控制扭矩值Th提供给基本控制有价值运算单元35.此外，转矩微分计算单元32计算转矩差分值T'，并且S＆H 34保持转矩差分值T'，并将转矩微分值T'提供给差分控制有价值计算单元36作为控制转矩差值T'h 。此外，在单元24中，角速度计算单元42在时间上区分转向系统的旋转角度θ以计算角速度Θ'，并将角速度Θ'提供给阻尼控制有价值的计算单元43.计算与传感器22正常的情况相比，当传感器22发生异常时，通过增加阻尼受控有价值Tc相对于角速度Θ'的绝对值来执行计算。

3. 发明专利

JP2013017304A Motor controller and vehicle steering device 有权
标题翻译：电机控制器和车辆转向装置
公开(公告)号：JP2013017304A
公开(公告)日：2013-01-24
申请号：JP2011148313
申请日：2011-07-04
申请人： Jtekt Corp , 株式会社ジェイテクト , Toyota Motor Corp , トヨタ自動車株式会社
发明人： TOMITA AKIHIRO , MIKAMO SATORU , KAWAMURA HIROSHI , TAKAHASHI TOSHIHIRO , HASEGAWA JUN , NANBU AKIRA , AOKI KENICHIRO , KASAI EIJI
IPC分类号： H02P6/12 , B62D5/04 , B62D6/00 , B62D101/00 , B62D109/00 , B62D119/00 , H02P27/06
CPC分类号： H02P6/12 , B62D5/0487 , G01R31/026 , G01R31/327 , H02P29/0241 , H02P29/0243
摘要： PROBLEM TO BE SOLVED: To provide a motor controller and vehicle steering device, capable of detecting an open failure of a phase opening switch even during driving a motor.SOLUTION: A failure detection section determines that a relay FET of a specific phase has an open failure when an induced voltage value of a specific phase to be determined is continuously not more than a failure determination threshold value, under such a state that energization in one direction is available between a motor 21 and a drive circuit 32 and the motor 21 is not at a high-speed rotational speed.
摘要翻译：要解决的问题：提供一种马达控制器和车辆转向装置，即使在驱动马达期间也能够检测相位开关开路的开路故障。解决方案：在要确定的特定相位的感应电压值连续不大于故障判定阈值的情况下，故障检测部分确定特定相位的继电器FET具有开路故障，在电动机21和驱动电路32之间可以在一个方向上通电，并且电动机21不处于高速转速。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2013110820A Motor controller and electric power-steering device for vehicles 有权
标题翻译：用于车辆的电动机控制器和电动转向装置
公开(公告)号：JP2013110820A
公开(公告)日：2013-06-06
申请号：JP2011252784
申请日：2011-11-18
申请人： Jtekt Corp , 株式会社ジェイテクト
发明人： KAWAMURA HIROSHI , MIKAMO SATORU , ITO TAKEHIRO
IPC分类号： H02P23/00 , B62D5/04 , B62D6/00 , B62D101/00 , B62D119/00
CPC分类号： B62D5/0487 , H02P29/027
摘要： PROBLEM TO BE SOLVED: To provide a motor controller capable of more certainly detecting an abnormality which occurs to a transistor of an inverter circuit.SOLUTION: A motor controller 15 supplies a three-phase alternating current to a motor 11 by controlling switching of the pair of transistors T1-T6 which are provided in an inverter circuit 20. Moreover, the motor controller 15 detects respective phase current values supplied to the motor 11 through current sensors 30u, 30v, 30w, and stops driving the inverter circuit 20 when it is determined that penetration current has occurred to the transistors T1-T6 on the basis of the detected respective phase current values. A first threshold value is set to respective phase current values, and a second threshold value is set to a total of the respective phase current values. When at least one of absolute values of the respective phase current values is the first threshold value or higher and the absolute value of the total of the respective phase current values is the second threshold value or higher, it is determined that the penetration current has occurred to the transistors T1-T6.
摘要翻译：要解决的问题：提供一种能够更可靠地检测发生在逆变器电路的晶体管上的异常的电动机控制器。解决方案：电动机控制器15通过控制设置在逆变器电路20中的一对晶体管T1-T6的开关来向电动机11供给三相交流电。此外，电动机控制器15检测相电流通过电流传感器30u，30v，30w提供给电动机11的值，并且根据检测到的各相电流值确定对晶体管T1-T6发生了穿透电流时，停止驱动逆变器电路20。将第一阈值设置为各自的相电流值，并将第二阈值设置为各个相电流值的总和。当各相电流值的绝对值中的至少一个为第一阈值以上且各相电流值的合计的绝对值为第二阈值以上时，判断为穿透电流已经发生到晶体管T1-T6。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2012235559A Motor control device and vehicular steering apparatus 有权
标题翻译：电机控制装置和车辆转向装置
公开(公告)号：JP2012235559A
公开(公告)日：2012-11-29
申请号：JP2011100897
申请日：2011-04-28
申请人： Jtekt Corp , 株式会社ジェイテクト
发明人： TAKAHASHI TOSHIHIRO , MIKAMO SATORU , KAWAMURA HIROSHI , HASEGAWA JUN , TOMITA AKIHIRO , NANBU AKIRA
IPC分类号： H02P6/12 , B62D5/04 , B62D6/00 , B62D101/00 , B62D119/00 , H02P6/18 , H02P27/06
CPC分类号： B62D5/0487 , H02P29/0243
摘要： PROBLEM TO BE SOLVED: To provide a motor control device capable of accurately detecting an energization failure without adding a motor rotation angular speed to a determination condition, and a vehicular steering apparatus.SOLUTION: If a phase current value is equal to or less than a predetermined current value and if a power source voltage Vps is equal to or more than a predetermined voltage value, an energization failure detection part 71 determines whether first and second determination conditions are satisfied, where the first determination condition is defined as a DUTY instruction value being continuously equal to or more than an upper limit value within a predetermined range corresponding to the predetermined current value and the second determination condition is defined as the DUTY instruction value being continuously equal to or less than a lower limit value. The energization failure detection part 71 measures a first continuation period for which a state of satisfying the first determination condition continues and a second continuation period for which a state of satisfying the second determination condition continues, respectively, and, if the first or second continuation period exceeds a determination period based on the rotation cycle of a motor 21 in high-speed rotation, determines that an energization failure has occurred.
摘要翻译：要解决的问题：提供一种能够在不将电动机旋转角速度与确定条件相加的情况下能够精确地检测通电故障的电动机控制装置和车辆转向装置。解决方案：如果相电流值等于或小于预定电流值，并且如果电源电压Vps等于或大于预定电压值，则通电故障检测部71确定第一和第二确定条件满足，其中第一确定条件被定义为连续等于或大于对应于预定电流值的预定范围内的上限值的DUTY指令值，并且将第二确定条件定义为DUTY指令值为连续地等于或小于下限值。通电失败检测部71测量满足第一判定条件的状态持续的第一持续期间和满足第二判定条件的状态分别持续的第二持续期间，如果第一或第二持续期间基于高速旋转中的电动机21的旋转周期超过确定周期，确定发生了通电故障。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2012066728A Electric power steering device 审中-公开
标题翻译：电动转向装置
公开(公告)号：JP2012066728A
公开(公告)日：2012-04-05
申请号：JP2010213972
申请日：2010-09-24
申请人： Jtekt Corp , 株式会社ジェイテクト
发明人： TAKANOSE FUMIAKI , MIKAMO SATORU
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D119/00 , H02P21/00 , H02P27/04
摘要： PROBLEM TO BE SOLVED: To provide an electric power steering device giving the favorable feeling of steering to an operator without generating vibration or an abnormal sound from a motor even if a current command value in each phase for driving the motor is at a zero cross.SOLUTION: A dead time compensation computing means does not carry out dead time compensation for compensating a dead time by the addition or subtraction of a dead time compensation amount when each phase current command value is in a prescribed range including a zero value, but increases a feedback gain used for current feed back control compared with a gain when each phase current command value is out of the prescribed range.
摘要翻译：要解决的问题：为了提供一种电动助力转向装置，即使在用于驱动电动机的每个阶段中的电流指令值处于一个状态时，给操作者提供有利的转向感，而不产生来自电动机的振动或异常声音零交叉解决方案：当每个相电流指令值在包括零值的规定范围内时，死区补偿计算装置不执行通过相加或减去死区补偿量来补偿死区时间的死区时间补偿，但是当每个相电流指令值超出规定范围时，与增益相比增加用于电流反馈控制的反馈增益。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2011156988A Direct current booster and electric power steering device 审中-公开
标题翻译：直流电动机和电动转向装置
公开(公告)号：JP2011156988A
公开(公告)日：2011-08-18
申请号：JP2010020951
申请日：2010-02-02
申请人： Jtekt Corp , 株式会社ジェイテクト
发明人： KAWAMURA HIROSHI , KATO HIROAKI , MIKAMO SATORU , ITO TAKEHIRO
IPC分类号： B62D5/04
摘要： PROBLEM TO BE SOLVED: To miniaturize and inexpensively manufacture a direct current booster by detecting the trouble of a booster circuit by a simple configuration. SOLUTION: This direct current booster 2 includes a booster circuit 20 having rectifying devices 31, 41, capacitance devices 32, 42, and switch circuits 33, 43 for connecting the capacitance devices 32, 42 switchably between an input power source and a gland, an output voltage determination circuit 60 which detects the output voltage of the booster circuit 20 and determines whether the detected voltage reaches a predetermined target voltage or not, a drive control circuit 70 for drivingly switching the connection of the switch circuits 33, 43 at predetermined intervals, and a trouble determination part 81 for determining the trouble of the booster circuit 20. The drive control circuit 70 brings the switch circuits 33, 43 in a drive state when the result of the determination of the output voltage determination circuit 60 is not satisfied. The trouble determination part 81 can determine the trouble of the booster circuit 20 when the drive state of the switch circuits 33, 43 is continued for a predetermined time. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过简单的结构检测升压电路的故障来小型化和低成本地制造直流增压器。解决方案：该直流增压器2包括具有整流装置31,41，电容装置32,42和开关电路33,43的升压电路20，用于将电容装置32,42可切换地连接在输入电源和压盖，输出电压判断电路60，检测升压电路20的输出电压，判定检测电压是否达到规定的目标电压;驱动控制电路70，用于将开关电路33,43的连接驱动切换到以及用于确定升压电路20的故障的故障判定部81.当输出电压确定电路60的确定结果不是时，驱动控制电路70使开关电路33,43处于驱动状态满意。当开关电路33,43的驱动状态持续预定时间时，故障确定部分81可以确定升压电路20的故障。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2015034737A センサ装置、モータ制御装置及び電動パワーステアリング装置有权
标题翻译：传感器装置，电机控制装置和电力转向装置
公开(公告)号：JP2015034737A
公开(公告)日：2015-02-19
申请号：JP2013165239
申请日：2013-08-08
申请人：株式会社ジェイテクト , Jtekt Corp , 株式会社デンソー , Denso Corp
发明人： YAMANO HISANORI , MATSUDA YUKO , MIKAMO SATORU , YAMAMOTO AKIRA , KABUNE HIDEKI
IPC分类号： G01L25/00 , B62D5/04 , B62D6/00 , G01L3/10 , H02P6/12 , H02P6/16
CPC分类号： G01L25/003 , B62D5/0463 , B62D5/0481 , B62D5/049 , B62D6/10 , G01L5/221 , H02K11/24
摘要：【課題】検出対象の状態量を検出可能なセンサ部が一つのみの場合でも、センサ部の出力異常を検出することのできるセンサ装置を提供する。【解決手段】トルクセンサ5は、運転者のステアリング操作に際してステアリングシャフトに付与される操舵トルクを検出する2つのセンサIC50,51を有している。センサIC50,51は、マイコン41により電源IC43,44を介して自身への給電が一時的に遮断された後、給電が再開されたとき、予め定められた波形からなり出力異常を判定可能な異常診断信号Sdを出力した後、検出信号Sτを出力する。【選択図】図2
摘要翻译：要解决的问题：为了提供能够检测传感器部分的输出异常的传感器装置，即使只有一个传感器部分可以检测检测对象的状态量。解算：扭矩传感器5具有两个用于检测转向的传感器IC 50,51 在操作者的转向操作中施加到转向轴的扭矩。传感器IC50,51输出能够从预定波形确定输出异常的异常诊断信号Sd，然后当经由电源IC43,44暂时阻断来自微型计算机41的电源被暂时阻塞时，输出检测信号Sτ 重新启动

9. 发明专利

JP2012157140A Motor controller and electric power steering apparatus 审中-公开
标题翻译：电机控制器和电动转向装置
公开(公告)号：JP2012157140A
公开(公告)日：2012-08-16
申请号：JP2011013257
申请日：2011-01-25
申请人： Jtekt Corp , 株式会社ジェイテクト
发明人： KAWAMURA HIROSHI , MATSUMOTO TSUTOMU , SUZUKI KAZUSHI , MIKAMO SATORU , ITO TAKEHIRO
IPC分类号： H02P27/06 , B62D5/04 , B62D6/00 , B62D101/00 , B62D119/00
摘要： PROBLEM TO BE SOLVED: To provide a motor controller which can perform an abnormality detection based on a detected current value of each phase with a good accuracy even in a state of a high inverter output, while suppressing an increase of an operation load.SOLUTION: An abnormality detection part stores a detected current value of each phase Ix(x=u,v,w) for each current detection period over a current detection period of a predetermined number α (Ix_1,...,Ix_n, where "n" is a natural number). And, after the current detection period of the predetermined number α passed, the abnormality detection part, collectively for the current value of each phase Ix_1,...,Ix_n which are stored in the storage region, carries out an abnormality determination based on a summation of three phases (U,V,W).
摘要翻译：要解决的问题：为了提供一种电动机控制器，即使在高逆变器输出的状态下也能够以各种相位的检测电流值进行异常检测，同时抑制运行负荷的增加。解决方案：异常检测部分在预定数量α（Ix_1，...，Ix_n）的当前检测周期内针对每个电流检测周期存储每个相位Ix（x = u，v，w）的检测电流值，其中“n”是自然数）。并且，在预定数量α的当前检测周期通过之后，异常检测部分对于存储在存储区域中的每个相位Ix_1，...，Ix_n的当前值进行统计，执行基于三相（U，V，W）的相加。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2009023542A Vehicle steering apparatus 有权
标题翻译：车辆转向装置
公开(公告)号：JP2009023542A
公开(公告)日：2009-02-05
申请号：JP2007189557
申请日：2007-07-20
申请人： Jtekt Corp , 株式会社ジェイテクト
发明人： KATO HIROAKI , MIKAMO SATORU
IPC分类号： B62D6/00 , B62D5/04
CPC分类号： B62D5/008 , B62D5/0472 , B62D6/008 , B62D15/025
摘要： PROBLEM TO BE SOLVED: To provide a vehicle steering apparatus capable of achieving good steeling feel while suppressing steering torque variations associated with the operation of a transmission ratio variable device.
SOLUTION: A microcomputer 43 on an EPS ECU 18 side increases an inertia compensation current command Iti* (Iti**), which is a compensation component based on a differential value of a steering torque, during actuation of a gear ratio variable actuator 7 as the transmission ratio variable device, that is, when an ACT angle θta as a second steering angle based on motor driving is changed.
COPYRIGHT: (C)2009,JPO&INPIT

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