公开(公告)号：US07791295B2

公开(公告)日：2010-09-07

申请号：US12108676

申请日：2008-04-24

申请人： Kentaro Oi ,  Kazuaki Tobari ,  Yoshitaka Iwaji ,  Mitsuo Sasaki ,  Tatsuo Matsumura

发明人： Kentaro Oi ,  Kazuaki Tobari ,  Yoshitaka Iwaji ,  Mitsuo Sasaki ,  Tatsuo Matsumura

IPC分类号： H02P3/18 ,  H02P5/28 ,  H02P7/36

CPC分类号： H02P21/06 ,  H02P21/0003

摘要： A motor control apparatus which controls an output voltage reference for an inverter driving a permanent magnet synchronous motor based on d-axis and q-axis current references, d-axis and q-axis current detected values, and a computed frequency value. When a torque reference specifying torque greater than maximum torque that the motor can output is input, a limit value for a phase angle that is a deviation between a rotation phase reference of control and a rotation phase value of the motor is varied depending on a quantity of the predetermined state.

摘要翻译： 一种电动机控制装置，其基于d轴和q轴电流基准，d轴和q轴电流检测值来控制驱动永磁同步电动机的逆变器的输出电压基准，以及计算出的频率值。 当输入大于电动机输出的最大转矩的转矩基准指定转矩时，作为电动机的旋转相位基准与电动机的旋转相位值之间的偏差的相位角的限制值根据量 的预定状态。

公开(公告)号：US20080265809A1

公开(公告)日：2008-10-30

申请号：US12108676

申请日：2008-04-24

申请人： Kentaro Ol ,  Kazuaki Tobari ,  Yoshitaka Iwaji ,  Mitsuo Sasaki ,  Tatsuo Matsumura

发明人： Kentaro Ol ,  Kazuaki Tobari ,  Yoshitaka Iwaji ,  Mitsuo Sasaki ,  Tatsuo Matsumura

IPC分类号： H02P27/08

CPC分类号： H02P21/06 ,  H02P21/0003

摘要： A motor control apparatus which controls an output voltage reference for an inverter driving a permanent magnet synchronous motor based on d-axis and q-axis current references, d-axis and q-axis current detected values, and a computed frequency value. When a torque reference specifying torque greater than maximum torque that the motor can output is input, a limit value for a phase angle that is a deviation between a rotation phase reference of control and a rotation phase value of the motor is varied depending on a quantity of the predetermined state.

摘要翻译： 一种电动机控制装置，其基于d轴和q轴电流基准，d轴和q轴电流检测值来控制驱动永磁同步电动机的逆变器的输出电压基准，以及计算出的频率值。 当输入大于电动机输出的最大转矩的转矩基准指定转矩时，作为电动机的旋转相位基准与电动机的旋转相位值之间的偏差的相位角的限制值根据量 的预定状态。

公开(公告)号：US20100250067A1

公开(公告)日：2010-09-30

申请号：US12729808

申请日：2010-03-23

申请人： Tatsuo Matsumura ,  Mitsuo Sasaki ,  Toru Takahashi

发明人： Tatsuo Matsumura ,  Mitsuo Sasaki ,  Toru Takahashi

IPC分类号： G06F19/00 ,  H02P6/10 ,  H02P21/14 ,  B62D6/00

CPC分类号： B62D5/046 ,  B62D5/0463 ,  H02P6/10 ,  H02P21/16 ,  H02P27/085

摘要： In vehicular steering control apparatus and method, a carrier frequency of a PWM control signal to drive an electric motor on a basis of the manipulated variable of the electric motor is controlled and the carrier frequency is set to at least two predetermined set frequencies in accordance with at least one of a driving state of the electric motor and a traveling state of the vehicle, one of the predetermined set frequencies being set to reduce noises in the inverter and the other of the predetermined set frequencies being set to reduce a switching loss in the inverter. For example, the carrier frequency is set to be lowered to the other of the predetermined set frequencies in a case where a rotational speed of the electric motor is driven in a rotational speed region (A2) higher than that in a constant torque region (A1).

摘要翻译： 在车辆转向控制装置和方法中，控制基于电动机的操作变量来驱动电动机的PWM控制信号的载波频率，并根据载波频率设定为至少两个预定的设定频率 所述电动机的驱动状态和所述车辆的行驶状态中的至少一个，所述预定设定频率中的一个被设定为减少所述逆变器中的噪声，并且所述预定设定频率中的另一个被设定为减小所述电动机的开关损耗 逆变器。 例如，在电动机的旋转速度比在恒定转矩区域（A1）的转速区域（A2）高的驱动区域（A2）的情况下，载波频率被设定为降低到预定的设定频率的另一个 ）。

公开(公告)号：US20090125189A1

公开(公告)日：2009-05-14

申请号：US12269147

申请日：2008-11-12

申请人： Tatsuo Matsumura ,  Mitsuo Sasaki ,  Toru Takahashi

发明人： Tatsuo Matsumura ,  Mitsuo Sasaki ,  Toru Takahashi

IPC分类号： B62D6/10

CPC分类号： B62D5/065 ,  B62D5/0466

摘要： A power steering apparatus includes: a steering mechanism connected with a steering wheel; a transmitting mechanism connecting the steering mechanism and a steered wheels; a motor arranged to drive the transmitting mechanism based on a torque inputted to the steering mechanism to provide a steering assist force to the steered wheels; a motor control section configured to output a drive signal to the motor in accordance with the steering assist force; a motor reverse rotation judging section configured to judge a reverse rotation state of the motor when an actual rotation direction of the motor does not correspond to a direction in which the motor is rotated by the driving signal from the motor control section; and a damping torque adding section configured to damp a torque generated in the motor when the motor reverse rotation judging section determines the reverse rotation state of the motor.

摘要翻译： 动力转向装置包括：与方向盘连接的转向机构; 连接转向机构和转向轮的传动机构; 马达，其布置成基于输入到所述转向机构的扭矩来驱动所述传递机构，以向所述转向轮提供转向辅助力; 电动机控制部，被配置为根据转向辅助力将驱动信号输出到电动机; 电动机反转判断部，被配置为当电动机的实际旋转方向与来自电动机控制部的驱动信号不同于电动机的旋转方向时判断电动机的反转状态; 以及阻尼扭矩加法部，其构成为，当所述电动机反转判断部确定所述电动机的反转状态时，抑制在所述电动机中产生的转矩。

公开(公告)号：US07648003B2

公开(公告)日：2010-01-19

申请号：US11654676

申请日：2007-01-18

申请人： Ayumu Miyajima ,  Isamu Tsubono ,  Takaomi Nishigaito ,  Toru Takahashi ,  Mitsuo Sasaki ,  Toshimitsu Sakaki ,  Tatsuo Matsumura

发明人： Ayumu Miyajima ,  Isamu Tsubono ,  Takaomi Nishigaito ,  Toru Takahashi ,  Mitsuo Sasaki ,  Toshimitsu Sakaki ,  Tatsuo Matsumura

IPC分类号： B62D5/06

CPC分类号： B62D5/065

摘要： In a power steering system comprising a power cylinder for assisting a steering power of a steering mechanism, a hydraulic pump for supplying a hydraulic pressure to the power cylinder, a first oil passage and a second oil passage connecting the power cylinder and the hydraulic pump respectively, a motor for driving the hydraulic pump, and power steering control means for calculating a command value to the motor based on the steering torque, a flow rate of the working oil supplied from a high-pressure side oil passage to a low-pressure side oil passage is restrained at the transition from the end of the steering state (lock end) of the steering mechanism to the returning. The flow-rate restraint increasingly corrects a driving current of the motor in the steering direction or limits the flow rate of the working oil.

摘要翻译： 在一种动力转向系统中，包括用于辅助转向机构的转向动力的动力缸，用于向动力缸提供液压的液压泵，分别连接动力缸和液压泵的第一油路和第二油路 用于驱动液压泵的电动机和用于根据转向转矩计算对电动机的指令值的动力转向控制装置，从高压侧油路供给到低压侧的工作油的流量 在从转向机构的转向状态（锁定结束）到返回的转变的过渡期间，油路被限制。 流量限制越来越多地纠正马达在转向方向上的驱动电流或限制工作油的流量。

公开(公告)号：US20090125190A1

公开(公告)日：2009-05-14

申请号：US12269175

申请日：2008-11-12

申请人： Tatsuo Matsumura ,  Mitsuo Sasaki ,  Toru Takahashi ,  Kohei Ono ,  Eiji Kasai ,  Takatoshi Saito

发明人： Tatsuo Matsumura ,  Mitsuo Sasaki ,  Toru Takahashi ,  Kohei Ono ,  Eiji Kasai ,  Takatoshi Saito

IPC分类号： B62D5/06 ,  B62D6/00

CPC分类号： B62D5/065 ,  B62D5/0466

摘要： A power steering apparatus includes a power cylinder including first and second pressure chambers; a reversible pump including a first outlet port and a second outlet port; a first hydraulic passage including a portion made from an elastomer; a second hydraulic passage including a portion made from an elastomer; a motor arranged to drive the reversible pump; a motor control section; a pump reverse rotation judging section configured to judge a reverse rotation state of the reversible pump when an actual rotation direction of the reversible pump does not correspond to a direction in which the motor is rotated by the driving signal from the motor control section; and a damping torque adding section configured to damp a torque generated in the reversible pump when the pump reverse rotation judging section determines the reverse rotation state of the reversible pump.

摘要翻译： 一种动力转向装置，包括：动力缸，包括第一和第二压力室; 包括第一出口和第二出口的可逆泵; 第一液压通道，包括由弹性体制成的部分; 第二液压通道，包括由弹性体制成的部分; 布置成驱动可逆泵的马达; 电机控制部分; 泵反转判断部，被配置为当所述可逆泵的实际旋转方向与来自所述电动机控制部的驱动信号的所述电动机的转动方向不对应时，判断所述可逆泵的反转状态; 以及阻尼扭矩加法部，其构成为，当所述泵反转判断部确定所述可逆泵的反转状态时，抑制在所述可逆泵中产生的转矩。

公开(公告)号：US20070209859A1

公开(公告)日：2007-09-13

申请号：US11654676

申请日：2007-01-18

申请人： Ayumu Miyajima ,  Isamu Tsubono ,  Takaomi Nishigaito ,  Toru Takahashi ,  Mitsuo Sasaki ,  Toshimitsu Sakaki ,  Tatsuo Matsumura

发明人： Ayumu Miyajima ,  Isamu Tsubono ,  Takaomi Nishigaito ,  Toru Takahashi ,  Mitsuo Sasaki ,  Toshimitsu Sakaki ,  Tatsuo Matsumura

IPC分类号： B62D5/06

CPC分类号： B62D5/065

摘要： In a power steering system comprising a power cylinder for assisting a steering power of a steering mechanism, a hydraulic pump for supplying a hydraulic pressure to the power cylinder, a first oil passage and a second oil passage connecting the power cylinder and the hydraulic pump respectively, a motor for driving the hydraulic pump, and power steering control means for calculating a command value to the motor based on the steering torque, a flow rate of the working oil supplied from a high-pressure side oil passage to a low-pressure side oil passage is restrained at the transition from the end of the steering state (lock end) of the steering mechanism to the returning. The flow-rate restraint increasingly corrects a driving current of the motor in the steering direction or limits the flow rate of the working oil.

摘要翻译： 在一种动力转向系统中，包括用于辅助转向机构的转向动力的动力缸，用于向动力缸提供液压的液压泵，分别连接动力缸和液压泵的第一油路和第二油路 用于驱动液压泵的电动机和用于根据转向转矩计算对电动机的指令值的动力转向控制装置，从高压侧油路供给到低压侧的工作油的流量 在从转向机构的转向状态（锁定结束）到返回的转变的过渡期间，油路被限制。 流量限制越来越多地纠正马达在转向方向上的驱动电流或限制工作油的流量。

公开(公告)号：US08066091B2

公开(公告)日：2011-11-29

申请号：US11870956

申请日：2007-10-11

申请人： Takahiro Ito ,  Atsushi Yokoyama ,  Mitsuo Sasaki

发明人： Takahiro Ito ,  Atsushi Yokoyama ,  Mitsuo Sasaki

IPC分类号： B62D5/06

CPC分类号： B62D3/14 ,  B62D5/003 ,  B62D5/065 ,  B62D5/30

摘要： A steering system, comprising: an input cylinder having a first hydraulic chamber and a second hydraulic chamber; a transmission mechanism, wherein a transmission efficiency for converting and transmitting a linear motion of the input cylinder to a rotary motion of a steering wheel is less than a transmission efficiency for converting and transmitting the rotary motion of the steering wheel to the linear motion of the input cylinder; an output cylinder connected to a steerable vehicle wheel and having a third hydraulic chamber and a fourth hydraulic chamber; a first hydraulic passage for connecting the first hydraulic chamber to the third hydraulic chamber; a second hydraulic passage for connecting the second hydraulic chamber to the fourth hydraulic chamber; a flow rate control mechanism for exchanging hydraulic oil with: a first hydraulic circuit including the first and third hydraulic chambers and the first hydraulic passage; and a second hydraulic circuit including the second and fourth hydraulic chambers and the second hydraulic passage, in order to adjust a ratio of hydraulic oil quantities in the first and second hydraulic circuits; a steering actuator for providing the steerable vehicle wheel with a steering power assistance; and a controller for cooperatively controlling the flow rate control mechanism and the steering actuator.

摘要翻译： 一种转向系统，包括：具有第一液压室和第二液压室的输入缸; 传动机构，其中用于将输入滚筒的直线运动转换和传递到方向盘的旋转运动的传动效率小于用于将方向盘的旋转运动转换和传递到方向盘的直线运动的传动效率 输入圆筒 连接到可转向车轮并具有第三液压室和第四液压室的输出缸; 用于将第一液压室连接到第三液压室的第一液压通道; 第二液压通道，用于将第二液压室连接到第四液压室; 用于与液压油交换的流量控制机构，包括：第一液压回路，包括第一和第三液压室和第一液压通道; 以及包括第二和第四液压室和第二液压通道的第二液压回路，以便调节第一和第二液压回路中的液压油量的比率; 用于向可转向车轮提供转向动力辅助的转向致动器; 以及用于协调地控制流量控制机构和转向致动器的控制器。

公开(公告)号：US07959422B2

公开(公告)日：2011-06-14

申请号：US11954910

申请日：2007-12-12

申请人： Yasuhito Nakakuki ,  Kaname Kidokoro ,  Tetsuo Abe ,  Toshimitsu Sakaki ,  Mitsuo Sasaki ,  Masakazu Kurata

发明人： Yasuhito Nakakuki ,  Kaname Kidokoro ,  Tetsuo Abe ,  Toshimitsu Sakaki ,  Mitsuo Sasaki ,  Masakazu Kurata

IPC分类号： F03C2/00 ,  F03C4/00 ,  F04C2/00 ,  F04C18/00 ,  B23P15/00 ,  B23Q3/00

CPC分类号： F04C2/102 ,  F04C2/086 ,  F04C2230/60 ,  Y10T29/49236 ,  Y10T29/49895

摘要： An oil pump including a first housing having a rotation shaft insertion hole, a cam ring, a pump element, a rotation shaft rotatably extending through the rotation shaft insertion hole, a second housing disposed on the cam ring, wherein the cam ring is placed in a position relative to the rotation shaft insertion hole of the first housing by using a jig, and the cam ring includes a clamped portion that is clamped by a cam ring holding device, while the first housing and the second housing are fixed to each other after placing the cam ring in the position relative to the rotation shaft insertion hole by using the jig. Alternatively, the oil pump including a fixing means for fixing the cam ring to the pump body instead of the clamped portion.

摘要翻译： 一种油泵，包括具有旋转轴插入孔的第一壳体，凸轮环，泵元件，可旋转地延伸穿过旋转轴插入孔的旋转轴，设置在凸轮环上的第二壳体，其中， 通过使用夹具相对于第一壳体的旋转轴插入孔的位置，并且凸轮环包括被凸轮环保持装置夹紧的夹持部，同时第一壳体和第二壳体彼此固定，之后，第一壳体和第二壳体彼此固定， 通过使用夹具将凸轮环相对于旋转轴插入孔放置在相对位置。 或者，油泵包括用于将凸轮环固定到泵体而不是夹紧部分的固定装置。

公开(公告)号：US20090038876A1

公开(公告)日：2009-02-12

申请号：US11870956

申请日：2007-10-11

申请人： Takahiro ITO ,  Atsushi Yokoyama ,  Mitsuo Sasaki

发明人： Takahiro ITO ,  Atsushi Yokoyama ,  Mitsuo Sasaki

IPC分类号： B62D5/06

CPC分类号： B62D3/14 ,  B62D5/003 ,  B62D5/065 ,  B62D5/30

摘要： A steering system, comprising: an input cylinder having a first hydraulic chamber and a second hydraulic chamber; a transmission mechanism, wherein a transmission efficiency for converting and transmitting a linear motion of the input cylinder to a rotary motion of a steering wheel is less than a transmission efficiency for converting and transmitting the rotary motion of the steering wheel to the linear motion of the input cylinder; an output cylinder connected to a steerable vehicle wheel and having a third hydraulic chamber and a fourth hydraulic chamber; a first hydraulic passage for connecting the first hydraulic chamber to the third hydraulic chamber; a second hydraulic passage for connecting the second hydraulic chamber to the fourth hydraulic chamber; a flow rate control mechanism for exchanging hydraulic oil with: a first hydraulic circuit including the first and third hydraulic chambers and the first hydraulic passage; and a second hydraulic circuit including the second and fourth hydraulic chambers and the second hydraulic passage, in order to adjust a ratio of hydraulic oil quantities in the first and second hydraulic circuits; a steering actuator for providing the steerable vehicle wheel with a steering power assistance; and a controller for cooperatively controlling the flow rate control mechanism and the steering actuator.

摘要翻译： 一种转向系统，包括：具有第一液压室和第二液压室的输入缸; 传动机构，其中用于将输入滚筒的直线运动转换和传递到方向盘的旋转运动的传动效率小于用于将方向盘的旋转运动转换和传递到方向盘的直线运动的传动效率 输入圆筒 连接到可转向车轮并具有第三液压室和第四液压室的输出缸; 用于将第一液压室连接到第三液压室的第一液压通道; 第二液压通道，用于将第二液压室连接到第四液压室; 用于与液压油交换的流量控制机构，包括：第一液压回路，包括第一和第三液压室和第一液压通道; 以及包括第二和第四液压室和第二液压通道的第二液压回路，以便调节第一和第二液压回路中的液压油量的比率; 用于向可转向车轮提供转向动力辅助的转向致动器; 以及用于协调地控制流量控制机构和转向致动器的控制器。