公开(公告)号：US08670902B2

公开(公告)日：2014-03-11

申请号：US12947490

申请日：2010-11-16

申请人： Yoshihiko Kimpara ,  Takayuki Kifuku ,  Masatsugu Nakano

发明人： Yoshihiko Kimpara ,  Takayuki Kifuku ,  Masatsugu Nakano

IPC分类号： G06F19/00

CPC分类号： B62D5/046 ,  B62D5/0469 ,  H02P21/0089 ,  H02P21/06 ,  H02P21/22

摘要： An electric power steering apparatus includes an rotating AC machine which generates an auxiliary torque for assisting a steering torque of a steering system; and a controller which performs control so that the allowed electric current amplitude of the rotating AC machine becomes large if a rotational speed of the rotating AC machine is increased. Accordingly, it is possible to release or lessen the limit on the number of repetitions or continuous time of the “stationary steering” or the “end contact”.

摘要翻译： 一种电动助力转向装置，包括：旋转交流电机，产生用于辅助转向系统的转向转矩的辅助转矩; 以及控制器，其执行控制，使得如果旋转AC机器的旋转速度增加，则旋转AC机器的允许电流振幅变大。 因此，可以释放或减轻“静止转向”或“终点接触”的重复次数或连续时间的限制。

公开(公告)号：US20140058630A1

公开(公告)日：2014-02-27

申请号：US14110789

申请日：2012-02-29

申请人： Isao Kezobo ,  Yoshihiko Kimpara ,  Takayuki Kifuku ,  Tatsuya Mori ,  Takashi Iwasaki ,  Masashi Iwane ,  Yuji Takatsuka

发明人： Isao Kezobo ,  Yoshihiko Kimpara ,  Takayuki Kifuku ,  Tatsuya Mori ,  Takashi Iwasaki ,  Masashi Iwane ,  Yuji Takatsuka

IPC分类号： B62D5/04

CPC分类号： B62D5/0472 ,  B62D5/0463

摘要： Provided is a control device for an electric power steering device, for controlling an output torque of a motor for outputting an assist torque based on a steering-torque signal from a torque sensor for detecting a steering torque, the control device for negatively feeding back a correction signal based on a motor-speed signal from motor-speed detection means for detecting a rotation speed of a rotary shaft of the motor to damp a vibration at a natural frequency determined in accordance with a transfer characteristic from the steering-torque signal to the output torque.

摘要翻译： 本发明提供一种电动助力转向装置的控制装置，用于根据来自用于检测转向转矩的转矩传感器的转向转矩信号来控制用于输出辅助转矩的电动机的输出转矩，所述控制装置用于负反馈 基于来自电动机速度检测装置的电动机速度信号的校正信号，用于检测电动机的旋转轴的旋转速度，以根据转向特性确定的固有频率将转速抑制在从转向转矩信号到 输出扭矩。

公开(公告)号：US08046131B2

公开(公告)日：2011-10-25

申请号：US11591608

申请日：2006-11-02

申请人： Hideyuki Tanaka ,  Takanori Matsunaga ,  Masahiko Kurishige ,  Takayuki Kifuku

发明人： Hideyuki Tanaka ,  Takanori Matsunaga ,  Masahiko Kurishige ,  Takayuki Kifuku

IPC分类号： B62D5/04

CPC分类号： B62D5/0466

摘要： Provided is a vehicular steering apparatus capable of improving a steering feeling and achieving a reduction in cost. The vehicular steering apparatus according to the present invention is equipped with an assist motor for generating an assist torque, a state quantity detector for detecting a steering shaft reaction torque and a road surface reaction torque, and a control unit for calculating a target current value of the assist motor. The control unit includes a friction compensation portion and a return compensation portion, which calculate a friction compensation torque for compensating for the assist torque and a return compensation torque for compensating for the assist torque from the steering shaft reaction torque and the road surface reaction torque respectively. The control unit compensates for an overall friction torque in a steering mechanism and a gradient of the road surface reaction torque, using the friction compensation torque and the return compensation torque.

摘要翻译： 提供一种能够改善转向感并实现成本降低的车辆转向装置。 根据本发明的车辆转向装置配备有用于产生辅助转矩的辅助电动机，用于检测转向轴反作用转矩的状态量检测器和路面反作用转矩，以及用于计算目标电流值的控制单元 辅助马达。 控制单元包括摩擦补偿部分和返回补偿部分，其分别计算用于补偿辅助转矩的摩擦补偿转矩和用于分别从转向轴反作用转矩和路面反作用转矩补偿辅助转矩的返回补偿转矩 。 控制单元使用摩擦补偿扭矩和返回补偿扭矩补偿转向机构中的总体摩擦转矩和路面反作用转矩的梯度。

公开(公告)号：US07908057B2

公开(公告)日：2011-03-15

申请号：US11559668

申请日：2006-11-14

申请人： Seiji Sawada ,  Takayuki Kifuku

发明人： Seiji Sawada ,  Takayuki Kifuku

IPC分类号： B62D5/04 ,  B62D6/10

CPC分类号： B62D5/0484 ,  B62D5/0472 ,  B62D5/049

摘要： Provided is a power steering apparatus capable of suppressing an abrupt change in steering force and preventing a deterioration in steering feeling even in the event of a transition from power steering to manual steering. The power steering apparatus includes a torque sensor, a motor of a permanent magnet field type, and a controller having a motor driving unit and an abnormality monitoring unit, for controlling the driving of the motor. The motor driving unit includes an inverter for driving the motor, and a drive signal generating unit for calculating a target current caused to flow through the motor and outputting a drive signal of the inverter based on the target current. The abnormality monitoring unit includes an abnormality processing unit for constituting a closed-loop circuit including the motor in stopping the driving of the motor.

摘要翻译： 提供一种能够抑制转向力的突然变化并且即使在从动力转向转换为手动转向的情况下也防止转向感觉的劣化的动力转向装置。 动力转向装置包括转矩传感器，永磁场型电动机和具有用于控制电动机的驱动的电动机驱动单元和异常监视单元的控制器。 马达驱动单元包括用于驱动马达的逆变器和驱动信号生成单元，用于计算通过马达流动的目标电流，并基于目标电流输出逆变器的驱动信号。 异常监视单元包括异常处理单元，用于在停止电动机的驱动时构成包括电动机的闭环电路。

公开(公告)号：US20100060222A1

公开(公告)日：2010-03-11

申请号：US12520995

申请日：2007-04-16

申请人： Isao Kezobo ,  Masahiro Kimata ,  Takayuki Kifuku ,  Kazumichi Tsutsumi ,  Chiaki Fujimoto ,  Noriyuki Inoue

发明人： Isao Kezobo ,  Masahiro Kimata ,  Takayuki Kifuku ,  Kazumichi Tsutsumi ,  Chiaki Fujimoto ,  Noriyuki Inoue

IPC分类号： H02H7/08

CPC分类号： B62D5/0487 ,  G01R31/025 ,  G01R31/343 ,  G01R31/42 ,  H02M2001/325 ,  H02P29/027

摘要： An electric motor control apparatus that can quickly and accurately locate a short-circuit fault point. The electric motor control apparatus includes: a current controller determining respective phase voltage commands according to currents flowing in respective phases of an electric motor and a torque current command; a switching element drive circuit instructing, based on the respective phase voltage commands, an inverter to perform a switching operation; the inverter receiving a switching operation signal to drive the electric motor; current detectors disposed in series with the switching elements in the respective phases of the inverter; and a short-circuit point locating mechanism storing a test pattern indicative of a predetermined combination for turning on the switching elements of the inverter, and locating a short-circuit fault point based on the test pattern and current detection values in the respective phases detected by the current detectors in response to the test pattern.

摘要翻译： 一种可以快速准确地定位短路故障点的电动机控制装置。 电动机控制装置包括：电流控制器，根据在电动机的各个相中流动的电流和转矩电流指令来确定各个相电压指令; 开关元件驱动电路，根据各相电压指令指示逆变器进行切换动作; 逆变器接收切换操作信号以驱动电动机; 与逆变器的各相中的开关元件串联布置的电流检测器; 以及短路点定位机构，其存储指示用于接通逆变器的开关元件的预定组合的测试图案，并且基于在由各个相位检测的各个相位中的测试图案和电流检测值来定位短路故障点 电流检测器响应于测试图案。

公开(公告)号：US07358690B2

公开(公告)日：2008-04-15

申请号：US11074758

申请日：2005-03-09

申请人： Takayuki Kifuku

发明人： Takayuki Kifuku

IPC分类号： H02P3/00

CPC分类号： H02M3/156 ,  H02M1/36

摘要： In a motor control apparatus in which a higher voltage is directly applied to a driving unit for a motor from a battery and a lower voltage stepped down by a switching regulator from the battery is also supplied to a control unit, the switching regulator is started its switching by a starting signal supplied from the outside of the motor control apparatus and is stopped its switching by the first stopping signal from the outside of a motor control apparatus and the second stopping signal derived from the control unit.

摘要翻译： 在电动机控制装置中，由电池直接向马达的驱动单元施加较高的电压，并且通过开关调节器从电池降压的低电压也被提供给控制单元，开关调节器开始 通过从电动机控制装置的外部提供的启动信号进行切换，并且通过来自电动机控制装置的外部的第一停止信号和从控制单元导出的第二停止信号来停止其切换。

公开(公告)号：US07336456B2

公开(公告)日：2008-02-26

申请号：US11177331

申请日：2005-07-11

申请人： Masaki Matsushita ,  Takayuki Kifuku ,  Hideki Doi ,  Katsuhiko Ohmae

发明人： Masaki Matsushita ,  Takayuki Kifuku ,  Hideki Doi ,  Katsuhiko Ohmae

IPC分类号： H02H7/08

CPC分类号： B62D5/049 ,  B62D5/0487 ,  Y02T10/7258

摘要： An objective is to detect a resolver malfunction without fail, using a low-cost resolver having the small number of the poles, and a control-motor system having advantage in small sizing and high-power outputting. In the control-motor system, the system for driving a 2m-pole motor based on a rotor rotation angle θ detected by a 2n-pole resolver, where m and n being counting numbers, is characterized in that: the sum of the square of a signal modulated by sin θ and the square of a signal modulated by cos θ in the resolver in which an excitation signal generated in said system is modulated by sin θ and cos θ in response to the rotor rotation angle θ of the resolver is compared to a predetermined malfunction threshold value, so that malfunction determination related to the resolver is performed, and also, given that the sum is a2 when the resolver is recognized to be in normal operation, the malfunction determination threshold value is made to be not smaller than {a×cos((π/2)/(m/n))}2.

摘要翻译： 目的是使用具有极小数量的低成本旋转变压器，以及具有小尺寸和高功率输出优点的控制电动机系统，无故障地检测分解器故障。 在控制电动机系统中，基于由2n极解算器检测的转子旋转角度θ驱动2m极电动机的系统，其中m和n是计数数字，其特征在于： 由sinθ调制的信号和在解算器中由cosθ调制的信号的平方，其中在所述系统中产生的激励信号响应于旋转变压器的转子旋转角θ被sinθ和cosθ调制，并与 预定的故障阈值，从而进行与解算器相关的故障判定，并且当解析器被识别为正常操作时，给出总和为“2”，故障判定阈值 被制成不小于{axcos（（pi / 2）/（m / n））} <2>。

公开(公告)号：US20070252547A1

公开(公告)日：2007-11-01

申请号：US11522894

申请日：2006-09-19

申请人： Takayuki Kifuku ,  Masaki Matsushita ,  Hiroyuki Kozuki

发明人： Takayuki Kifuku ,  Masaki Matsushita ,  Hiroyuki Kozuki

IPC分类号： H02P7/00

CPC分类号： H02P23/06 ,  H02H7/0838

摘要： A motor control apparatus can protect circuit elements in an appropriate manner while preventing an incorrect abnormality determination when a motor is in regeneration operation, etc. The apparatus includes a target current calculation section (51), a drive control section (52) that generates a drive signal based on a current deviation ΔI between a target current (IMT) and a detected current (IMS), an abnormality determination section (53) that generates an abnormality determination signal based on the target current (IMT) and the detected current (IMS), and a regeneration operation determination section (59) that determines whether the motor (4) is in a regeneration operation state. When it is determined that the motor (4) is in a regeneration operation, a determination threshold of the abnormality determination section (53) is set to a value larger than a determination threshold during power running operation.

摘要翻译： 电动机控制装置可以以适当的方式保护电路元件，同时防止当电动机处于再生操作时的不正确的异常判定等。该装置包括目标电流计算部（51），驱动控制部（52），其产生 基于目标电流（IMT）和检测电流（IMS）之间的电流偏差ΔI的驱动信号，基于目标电流（IMT）和检测电流（IMS）生成异常判定信号的异常判定部（53） ）和判定电动机（4）是否处于再生运转状态的再生动作判定部（59）。 当确定电动机（4）处于再生操作时，异常判定部（53）的判定阈值被设定为大于运转动作期间的判定阈值的值。

公开(公告)号：US20070199764A1

公开(公告)日：2007-08-30

申请号：US11493598

申请日：2006-07-27

申请人： Takayuki Kifuku ,  Masaki Matsushita ,  Hiroyuki Kozuki

发明人： Takayuki Kifuku ,  Masaki Matsushita ,  Hiroyuki Kozuki

IPC分类号： B62D5/04

CPC分类号： B62D5/049 ,  B62D5/0463 ,  B62D5/0484

摘要： An electric power steering control apparatus can limit a motor impression voltage thereby to maintain an appropriate motor output even upon occurrence of a failure of a motor current detection circuit or a motor current feedback control system. The apparatus includes a motor that generates an assist force to the steering system, an input processing section that takes in a steering torque signal from a torque sensor, an output processing section that drives the motor, and a processing unit that provides an instruction to the output processing section based on the steering torque signal. The processing unit includes an impression voltage calculation section that calculates an amount of operation to the motor in accordance with the steering torque signal, and an impression voltage limiting section that limits the impression voltage to predetermined limit values or less corresponding to the direction of the steering torque signal.

摘要翻译： 电动动力转向控制装置可以限制电动机压印电压，从而即使在发生电动机电流检测电路或电动机电流反馈控制系统的故障时也能保持适当的电动机输出。 该装置包括向转向系统产生辅助力的电动机，从转矩传感器接收转向转矩信号的输入处理部，驱动电动机的输出处理部，以及向该转向系统提供指令的处理部 输出处理部。 处理单元包括压印电压计算部，其根据转向转矩信号计算对电动机的操作量，以及压印电压限制部，其将压印电压限制在与转向方向对应的规定极限值以下 转矩信号。

公开(公告)号：US20070152614A1

公开(公告)日：2007-07-05

申请号：US11685806

申请日：2007-03-14

申请人： Takayuki Kifuku

发明人： Takayuki Kifuku

IPC分类号： H02P7/00

CPC分类号： H02P7/29 ,  B62D5/0457 ,  B62D5/046

摘要： The invention proposes an electrically operated power steering controller for inputting a driving electric current offset value of higher accuracy and being able to make an offset correction of a driving electric current by using this driving electric current offset value of higher accuracy, and an adjusting method of this driving electric current offset. Therefore, an electric motor driving electric current measuring device of accuracy higher than that of an electric motor driving electric current detector assembled into a controller CNT is prepared separately from this electric motor driving electric current detector. The driving electric current offset value of high accuracy is outputted by this electric motor driving electric current measuring device. An input device for receiving the driving electric current offset value of high accuracy from the driving electric current measuring device is arranged in an offset correcting device or an of f set signal generator within the controller.

摘要翻译： 本发明提出了一种电动动力转向控制器，用于输入更高精度的驱动电流偏移值，并且能够通过使用更高精度的驱动电流偏移值来对驱动电流进行偏移校正，以及一种调节方法 该驱动电流偏移。 因此，与该电动机驱动电流检测器分开地制作精度高于组装在控制器CNT中的电动机驱动电流检测器的电动机驱动电流测量装置。 由该电动机驱动电流测量装置输出高精度的驱动电流偏移值。 用于从驱动电流测量装置接收高精度的驱动电流偏移值的输入装置被布置在控制器内的偏移校正装置或f置信号发生器中。