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    • 61. 发明专利
    • Power unit and automobile mounted therewith
    • 电源单元和汽车安装
    • JP2005210779A
    • 2005-08-04
    • JP2004012099
    • 2004-01-20
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMADA KATASHIGE
    • B60L11/14B60L3/00B60L11/18H02P6/04
    • B60L11/1861Y02T10/646Y02T10/648Y02T10/7005Y02T10/7044Y02T10/705
    • PROBLEM TO BE SOLVED: To provide constitution which is possible of control so that an excessive current may not flow to a converter for level conversion, in a power unit which controls the drive of a motor by converting the level of input DC voltage. SOLUTION: The power unit, which controls the drive of motor generators MG1 and MG2, is equipped with a battery 10 which generates input voltage Vb, a converter 110 which converts the input voltage Vb into motor operation voltage Vm, according to a voltage command Vmr, a smoothing capacitor 120 which keeps the motor operation voltage Vm, inverters 131 and 132 which receive the motor operation voltage Vm and control the drive of motor generators MG1 and MG2, according to a torque command Tref, and a controller 15 which generates the voltage command Vmr and the torque command Tref. The controller 15 makes the torque command Tref smaller than essentially requested torque at need so that the sum of the motor power consumption and the variation of the power accumulated in the smoothing capacitor 120 geared to the rise of the motor operation voltage Vm may not exceed the output limitation power of the converter 110 at power running operation of the motor generator. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供可能进行控制的结构,使得过电流不能流向用于电平转换的转换器,在通过转换输入DC电压的电平来控制电动机的驱动的电力单元中 。 控制电动发电机MG1和MG2的驱动的动力单元配备有产生输入电压Vb的电池10,将输入电压Vb转换为电动机工作电压Vm的转换器110,根据 电压指令Vmr,保持电动机工作电压Vm的平滑电容器120,接收电动机工作电压Vm的逆变器131,132,并根据转矩指令Tref控制电动发电机MG1,MG2的驱动;以及控制器15, 产生电压指令Vmr和转矩指令Tref。 控制器15使转矩指令Tref小于需要的基本要求的转矩,使得电动机功率消耗与平滑电容器120中累积的功率变化的和相对于电动机工作电压Vm的上升而不能超过 在电动发电机的动力运行时转换器110的输出限制功率。 版权所有(C)2005,JPO&NCIPI
    • 63. 发明专利
    • Motor controller
    • 电机控制器
    • JP2014023403A
    • 2014-02-03
    • JP2012163301
    • 2012-07-24
    • Toyota Motor Corpトヨタ自動車株式会社
    • WATANABE TAKUOSETO JUNICHIKOYANAGI HIROYUKIOYOBE HICHIROSAIYAMADA KATASHIGE
    • H02P27/06
    • PROBLEM TO BE SOLVED: To enable a resolver of a motor controller to improve accuracy of an origin learning and expand a learning permission region.SOLUTION: A motor controller controls rotation of a motor by controlling magnitude of a voltage and a phase supplied from an inverter having a switching element to the motor on the basis of the rotation angle of a rotor of the motor detected by a resolver. When the rotation number of the motor is within the predetermined range and current flowing in a stator of the motor is zero, the resolver is permitted to carry out an origin learning. The motor controller which carries out the origin learning of the resolver by changing a target value of a command voltage supplied from the inverter to the motor, performs control so as to make a switching-off period of the switching element in a case of permission of the origin learning longer than the switching-off period of the switching element in a case of non-permission of the origin learning.
    • 要解决的问题:使电机控制器的旋转变压器能够提高原点学习的准确性并扩大学习许可区域。解决方案:电机控制器通过控制电压的大小和从逆变器提供的相位来控制电机的旋转 基于由旋转变压器检测到的电机的转子的旋转角度,将电动机的开关元件设置在电动机上。 当电动机的转数在预定范围内时,电动机定子中流动的电流为零时,允许解析器进行原点学习。 通过将从逆变器提供的指令电压的目标值改变为电动机来执行解算器的原点学习的电动机控制器进行控制,以便在许可的情况下使开关元件的关断周期 在原始学习不允许的情况下,起始学习比开关元件的关断时段长。
    • 64. 发明专利
    • Resolver
    • 解决方案
    • JP2013225983A
    • 2013-10-31
    • JP2012096809
    • 2012-04-20
    • Toyota Motor Corpトヨタ自動車株式会社
    • NIIMI YOSHITAKAYAMADA KATASHIGE
    • H02K24/00G01D5/20
    • Y02T10/641
    • PROBLEM TO BE SOLVED: To improve detection accuracy by reducing noises caused by influences of external factors upon a detection section in a resolver.SOLUTION: A detection coil 40s of a resolver includes a plurality of sheet coils 42-48 which are provided in parallel with each other at intervals in a circumferential direction and a connecting lead wire part 50 which is disposed to connect in series and circulate the sheet coils and whose both ends are connected to output terminals 62s, 64s. When a total area of the sheet coils 44, 48 wound in the same direction as the connecting lead wire part 50 among the sheet coils 42-48 is defined as A, a total area of the sheet coils 42, 46 wound in a direction opposite to the connecting lead wire part 50 is defined as B and a total area of the connecting lead wire part 50 is defined as C, an inequality A
    • 要解决的问题:通过将由外部因素的影响引起的噪声减小到旋转变压器中的检测部分来提高检测精度。解决方案:解算器的检测线圈40s包括多个片状线圈42-48,它们与 彼此间隔开的圆周方向和连接引线部分50,其被设置为串联连接并循环片状线圈,并且其两端连接到输出端子62s,64s。 当将与片状线圈42-48中的连接引线部分50相同方向缠绕的片状线圈44,48的总面积定义为A时,沿相反方向缠绕的片状线圈42,46的总面积 连接引线部分50被定义为B,并且连接引线部分50的总面积被定义为C,满足不等式A
    • 65. 发明专利
    • Motor drive control system
    • 电机驱动控制系统
    • JP2013150439A
    • 2013-08-01
    • JP2012008655
    • 2012-01-19
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMADA KATASHIGEASHIDA SHINJIROYAMAKAWA JUNJIKUROMATSU YUTAKAKOYANAGI HIROYUKI
    • H02P27/06
    • PROBLEM TO BE SOLVED: To effectively reduce a possibility that excessive current feedback control is worked to cause generation of unintended overshoot in a current value even in the case where current deviation is large at switching from a rectangular wave voltage phase control mode to an overmodulation current control mode, in a motor drive control system using a plurality of control modes.SOLUTION: In a motor drive control system for switching a control mode among a plurality of control modes to perform drive control of a motor, at switching from a rectangular wave voltage phase control mode to an overmodulation current control mode, in the case where current deviation between a current command and an actual current value is larger than a predetermined threshold, a regulation of a voltage command based on current feedback is restricted.
    • 要解决的问题:即使在从矩形波电压相位控制模式切换到过调制电流的情况下,即使在电流偏差大的情况下,为了有效地减小过电流反馈控制的发生,导致电流值的非预期过冲的产生的可能性 控制模式,在使用多个控制模式的电机驱动控制系统中。解决方案:在用于切换多个控制模式中的控制模式的马达驱动控制系统中,以执行马达的驱动控制,在从矩形波电压 相位控制模式为过调制电流控制模式,在电流指令与实际电流值之间的电流偏差大于预定阈值的情况下,限制基于电流反馈的电压指令的调节。
    • 66. 发明专利
    • Driver
    • DRIVER
    • JP2012105511A
    • 2012-05-31
    • JP2010254278
    • 2010-11-12
    • Toyota Motor Corpトヨタ自動車株式会社
    • OYOBE HICHIROSAIYAMADA KATASHIGEYAMAKAWA JUNJI
    • B60L3/00H02M3/155
    • PROBLEM TO BE SOLVED: To properly determine that an abnormality occurs in at least one of two current sensors for detecting a current flowing in a reactor of a voltage boosting converter.SOLUTION: A deviation ΔIL is calculated by applying a predetermined low-pass filter to an absolute value of a difference between the currents detected by two current sensors 47a, 47b for detecting the current flowing in the reactor L of the voltage boosting converter 30. When the calculated deviation ΔIL is a threshold Iref or more, it determines that the abnormality occurs in at least one of the two current sensors 47a, 47b. The threshold Iref is an absolute value of target power P* output from motors MG1, MG2, an absolute value of output power P output from the motors MG1, MG2, absolute values of torques Tm1, Tm2 from the motors MG1, MG2, an absolute value of a charge/discharge current IB of a battery 26, or a value set so as to be increased when a voltage VH of a high voltage system is increased.
    • 要解决的问题:为了正确地确定在用于检测在升压转换器的电抗器中流动的电流的两个电流传感器中的至少一个中发生异常。 解决方案:通过将预定的低通滤波器应用于由两个电流传感器47a,47b检测的电流之间的差的绝对值来计算偏差ΔIL,用于检测在升压转换器的电抗器L中流动的电流 当计算出的偏差ΔIL为阈值Iref以上时,判定在两个电流传感器47a,47b中的至少一个中发生异常。 阈值Iref是从电动机MG1,MG2输出的目标功率P *的绝对值,从电动机MG1,MG2输出的输出功率P的绝对值,来自电动机MG1,MG2的转矩绝对值Tm1,Tm2,绝对值 电池26的充电/放电电流IB的值,或者当高压系统的电压VH增加时设定为增加的值。 版权所有(C)2012,JPO&INPIT
    • 67. 发明专利
    • Drive unit
    • 驱动单元
    • JP2012100464A
    • 2012-05-24
    • JP2010247219
    • 2010-11-04
    • Toyota Motor Corpトヨタ自動車株式会社
    • OYOBE HICHIROSAIYAMADA KATASHIGE
    • H02P27/06
    • PROBLEM TO BE SOLVED: To more properly and simply determine an abnormality of a detector detecting phase current of each phase of an electric motor.SOLUTION: Six combinations of switching patterns S1, S2 indicating on/off states of a plurality of switching elements of two inverters and reactor current IL from a current sensor at the same timing when two motors are driven by the two inverters are stored, so that at least part of the switching patterns S1, S2 varies, wherein the number of combinations is a triple of the number of motors (S110-S150). From the stored combinations, an estimated phase current vector IMe representing an estimated value of phase current of each phase of the two motors by vector is calculated (S160-S180). By comparing the estimated phase current vector IMe with a detection phase current vector IM generated from the phase current based on a detection value from the current sensor, whether or not the current sensor detecting the phase current has an abnormality is determined (S200-S230).
    • 要解决的问题:为了更正确且简单地确定检测器检测电动机每相的相电流的异常。 解决方案:存储由两个逆变器驱动两个电动机时,两个逆变器的多个开关元件的开/关状态和来自同一时刻的电流传感器的电抗器电流ILI的六个组合被存储 ,使得至少部分开关模式S1,S2变化,其中组合数量是电动机数量的三倍(S110-S150)。 从存储的组合中,计算表示两个电动机的各相的相电流的估计值的估计相电流矢量IMe(S160〜S180)。 通过比较估计的相电流矢量IMe与基于来自电流传感器的检测值从相电流产生的检测相电流矢量IM,确定检测相电流的电流传感器是否具有异常(S200-S230) 。 版权所有(C)2012,JPO&INPIT
    • 68. 发明专利
    • Controller for motor drive control system and vehicle installed with the same
    • 控制器用于电机驱动控制系统和车辆安装
    • JP2012090490A
    • 2012-05-10
    • JP2010237181
    • 2010-10-22
    • Toyota Motor Corpトヨタ自動車株式会社
    • ASHIDA SHINJIROYAMADA KATASHIGEKUTSUNA MASAKI
    • H02P27/06B60L9/18B60L11/14H02P6/08H02P21/00H02P27/04
    • Y02T10/7077Y02T10/7241
    • PROBLEM TO BE SOLVED: To provide a motor drive control system capable of suppressing electrical current fluctuations generated due to a switching delay of a control mode when switching from square-wave control to PWM control.SOLUTION: An ECU 300 for controlling a motor drive control system 100 drives an AC motor 200 by controlling an inverter 140 by either a square-wave control mode or a PWM control mode. The ECU 300 comprises: a control mode selecting section 330; and an A/D conversion section 340 that A-D converts a motor current of the AC motor 200. The A-D conversion section 340 operates according to a faster execution cycle than an execution cycle based on an electrical angle of the AC motor 200 when a rotational speed of the AC motor 200 sharply drops in the square-wave mode. The control mode selecting section 330 switches from the square-wave control mode to the PWM control mode according to occurrence of electrical current fluctuations of the motor current in the square-wave control mode.
    • 要解决的问题:提供一种电动机驱动控制系统,其能够抑制从方波控制切换到PWM控制时由于控制模式的切换延迟而产生的电流波动。 解决方案:用于控制电动机驱动控制系统100的ECU300通过方波控制模式或PWM控制模式通过控制逆变器140来驱动AC电动机200。 ECU300包括:控制模式选择部330; 以及A / D转换部分340,其AD转换AC电动机200的电动机电流.AD转换部分340根据比AC电动机200的电角度更快的执行周期运行, 的交流电动机200在方波模式下急剧下降。 根据方波控制模式中的电动机电流的电流波动的发生,控制模式选择部330从方波控制模式切换到PWM控制模式。 版权所有(C)2012,JPO&INPIT
    • 69. 发明专利
    • Motor drive device and vehicle equipped with the same
    • 电机驱动装置和配备其的车辆
    • JP2012065479A
    • 2012-03-29
    • JP2010208732
    • 2010-09-17
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMADA KATASHIGEKUTSUNA MASAKI
    • B60L9/18B60K6/445B60L11/14B60W10/08B60W20/00H02P5/74
    • Y02T10/6239Y02T10/7077Y02T10/7241
    • PROBLEM TO BE SOLVED: To reduce a loss in a motor drive device including a plurality of electric power converters without using complicated control logic.SOLUTION: A motor drive device 20 includes a converter 12 and inverters 14, 22, which are electric power converters, and an ECU 30, and drives motor generators MG1, MG2 by using an electric power from an electric power storage device 28. The ECU 30 calculates a loss of each electric power converter at a system voltage VH applied to the inverters 14, 22 and sets a voltage command value for the system voltage VH so that a loss generated in an electric power converter, where obtained loss becomes maximum, becomes minimum in a range where a drive command value of the electric power converter is attainable.
    • 要解决的问题:为了减少包括多个电力转换器的电机驱动装置的损耗,而不使用复杂的控制逻辑。 解决方案:电动机驱动装置20包括作为电力转换器的转换器12和反相器14,22以及ECU30,并且通过使用来自蓄电装置28的电力来驱动电动发电机MG1,MG2 ECU30以施加到逆变器14,22的系统电压VH计算各电力转换器的损耗,并且设定用于系统电压VH的电压指令值,使得在获得的损耗变为电力转换器时产生的损耗 在能够获得电力变换器的驱动指令值的范围内变为最小。 版权所有(C)2012,JPO&INPIT
    • 70. 发明专利
    • Controller and control method of motor
    • 电机控制与控制方法
    • JP2012029371A
    • 2012-02-09
    • JP2010163103
    • 2010-07-20
    • Denso CorpToyota Motor Corpトヨタ自動車株式会社株式会社デンソー
    • YAMADA KATASHIGENAKAI YASUHIROSOMA TAKAYAKATO AKIRASHAMOTO YOSHIHIRO
    • H02P29/00G01D5/244H02P27/06
    • G01D5/24485
    • PROBLEM TO BE SOLVED: To precisely calculate rotational speed of a motor based on output of a resolver even in a comparatively low operation period.SOLUTION: The controller divides 360 degrees corresponding to one turn of a resolver angle into N zones and determines whether the resolver angle θ of this cycle exceeds a division boundary or not. When the controller determines that the resolver angle θ of this cycle exceeds the division boundary, it calculates a time difference ΔT[n] between operation time T[n] before one resolver cycle and operation time T of this cycle. The controller calculates a value obtained by adding 360 degrees to the difference between the resolver angle θ obtained in this cycle and the resolver angle θ[n] obtained before one resolver cycle as a resolver angle fluctuation amount Δθ[n] in the time difference ΔT[n]. The controller calculates a value obtained by multiplying a value obtained by dividing Δθ[n] by ΔT[n] by a coefficient K as rotational speed NM.
    • 要解决的问题:即使在相对较低的操作时段中也能基于旋转变压器的输出精确地计算电动机的转速。

      解决方案:控制器将对应于旋转角度的一圈的360度分为N个区域,并确定该循环的分解角度θ是否超过分界线。 当控制器确定该周期的分解角度θ超过分割边界时,计算一个分解周期的运算时间T [n]与该周期的运算时间T之间的时间差ΔT[n]。 控制器计算通过将在该循环中获得的解算角度θ与在一个分解周期之前获得的分解器角度θ[n]之间的差加上360度获得的值作为时间差ΔT中的分解角度变动量Δθ[n] [N]。 控制器计算通过将通过将Δθ[n]除以ΔT[n]获得的值乘以系数K而获得的值作为转速NM。 版权所有(C)2012,JPO&INPIT