专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20060075747A1 Hydraulic power steering apparatus 失效
标题翻译：液压动力转向装置
公开(公告)号：US20060075747A1
公开(公告)日：2006-04-13
申请号：US11248463
申请日：2005-10-12
申请人： Akihiko Shiina , Yasuhiro Kamatani , Toshiaki Oya , Ryouichi Tokioka , Kazuhiro Watanabe , Yoshimi Kotake , Hiroji Ueda , Katsuyuki Oguchi , Takashi Ohata , Osamu Sano , Masayoshi Ashitaka
发明人： Akihiko Shiina , Yasuhiro Kamatani , Toshiaki Oya , Ryouichi Tokioka , Kazuhiro Watanabe , Yoshimi Kotake , Hiroji Ueda , Katsuyuki Oguchi , Takashi Ohata , Osamu Sano , Masayoshi Ashitaka
IPC分类号： F16D31/02
CPC分类号： B62D5/083 , B62D6/02
摘要： In a hydraulic power steering apparatus, when the relative rotation between input and output shafts which are connected by a torsion bar is converted into the relative rotation between an outer valve element and an inner valve element, the ratio of the relative rotation angle of the latter to the relative rotation angle of the former is varied in accordance with an operating condition of a vehicle. The hydraulic pressure to generate steering assist force is controlled in accordance with the relative rotation angles between both valve elements. The outer valve element is capable of relative coaxial rotation to the input and output shafts, and the inner valve element is formed integrally with the input shaft. A swinging member is supported by first, second and third supporting parts which respectively rotate together with the input shaft, the output shaft or the outer valve element. One of the first, second and third supporting parts is displaced in the axial direction by a certain distance in accordance with the operating condition of the vehicle.
摘要翻译：在液压动力转向装置中，当通过扭杆连接的输入轴和输出轴之间的相对旋转被转换为外部阀元件和内部阀元件之间的相对转动时，后者的相对旋转角度根据车辆的运行状态来改变前者的相对旋转角度。根据两个阀元件之间的相对旋转角度来控制产生转向辅助力的液压。外阀元件能够与输入轴和输出轴相对同轴旋转，并且内阀元件与输入轴一体形成。摆动构件由分别与输入轴，输出轴或外部阀元件一起旋转的第一，第二和第三支撑部支撑。第一，第二和第三支撑部件中的一个根据车辆的操作状态在轴向方向上移位一定距离。

2. 发明授权

US07174825B2 Hydraulic power steering apparatus 失效
标题翻译：液压动力转向装置
公开(公告)号：US07174825B2
公开(公告)日：2007-02-13
申请号：US11248463
申请日：2005-10-12
申请人： Akihiko Shiina , Yasuhiro Kamatani , Toshiaki Oya , Ryouichi Tokioka , Kazuhiro Watanabe , Yoshimi Kotake , Hiroji Ueda , Katsuyuki Oguchi , Takashi Ohata , Osamu Sano , Masayoshi Ashitaka
发明人： Akihiko Shiina , Yasuhiro Kamatani , Toshiaki Oya , Ryouichi Tokioka , Kazuhiro Watanabe , Yoshimi Kotake , Hiroji Ueda , Katsuyuki Oguchi , Takashi Ohata , Osamu Sano , Masayoshi Ashitaka
IPC分类号： B62D5/083 , F15B9/10
CPC分类号： B62D5/083 , B62D6/02
摘要： In a hydraulic power steering apparatus, when the relative rotation between input and output shafts which are connected by a torsion bar is converted into the relative rotation between an outer valve element and an inner valve element, the ratio of the relative rotation angle of the latter to the relative rotation angle of the former is varied in accordance with an operating condition of a vehicle. The hydraulic pressure to generate steering assist force is controlled in accordance with the relative rotation angles between both valve elements. The outer valve element is capable of relative coaxial rotation to the input and output shafts, and the inner valve element is formed integrally with the input shaft. A swinging member is supported by first, second and third supporting parts which respectively rotate together with the input shaft, the output shaft or the outer valve element. One of the first, second and third supporting parts is displaced in the axial direction by a certain distance in accordance with the operating condition of the vehicle.
摘要翻译：在液压动力转向装置中，当通过扭杆连接的输入轴和输出轴之间的相对旋转被转换为外部阀元件和内部阀元件之间的相对转动时，后者的相对旋转角度根据车辆的运行状态来改变前者的相对旋转角度。根据两个阀元件之间的相对旋转角度来控制产生转向辅助力的液压。外阀元件能够与输入轴和输出轴相对同轴旋转，并且内阀元件与输入轴一体形成。摆动构件由分别与输入轴，输出轴或外部阀元件一起旋转的第一，第二和第三支撑部支撑。第一，第二和第三支撑部件中的一个根据车辆的操作状态在轴向方向上移位一定距离。

3. 发明申请

US20070205041A1 Electric Power Steering System 有权
标题翻译：电动助力转向系统
公开(公告)号：US20070205041A1
公开(公告)日：2007-09-06
申请号：US11579902
申请日：2005-05-09
申请人： Katsutoshi Nishizaki , Shirou Nakano , Ken Matsubara , Toshiaki Oya , Yasuhiro Kamatani , Masahiko Sakamaki , Yoshikazu Kuromaru , Shigeki Nagase , Takayasu Yamazaki , Yasuhiro Saitou , Takeshi Ueda
发明人： Katsutoshi Nishizaki , Shirou Nakano , Ken Matsubara , Toshiaki Oya , Yasuhiro Kamatani , Masahiko Sakamaki , Yoshikazu Kuromaru , Shigeki Nagase , Takayasu Yamazaki , Yasuhiro Saitou , Takeshi Ueda
IPC分类号： G06F17/00
CPC分类号： B62D6/10 , B62D5/0472
摘要： An electric power steering system is provided which is capable of providing a favorable steering feeling without using compensation logics such as of inertia compensation and friction compensation. The electric power steering system includes road-noise suppression control means (213) for controlling a steering assist motor (9) in a manner to damp torque transmission in a higher frequency region representing road noises than a frequency region representing road information. A friction value of a steering mechanism (A) is decreased enough to allow the intrinsic vibrations of the steering mechanism (A) to appear. Rotor inertia of the steering assist motor (9) is set to a value small enough to allow the frequencies of the intrinsic vibrations to be present in the frequency region where the torque transmission is damped by the road-noise suppression control means (213).
摘要翻译：提供一种电动助力转向系统，其能够在不使用惯性补偿和摩擦补偿等补偿逻辑的情况下提供良好的转向感。电动助力转向系统包括道路噪声抑制控制装置，用于以比表示道路信息的频率区域更低的代表道路噪声的较高频率区域的方式来控制转向辅助电动机（9）。转向机构（A）的摩擦值减小到足以使转向机构（A）的固有振动出现。将转向辅助马达（9）的转子惯量设定为足够小的值，以使固有振动的频率存在于由道路噪声抑制控制装置（213）阻尼转矩传递的频率区域中。

4. 发明授权

US07604088B2 Electric power steering system 有权
标题翻译：电动助力转向系统
公开(公告)号：US07604088B2
公开(公告)日：2009-10-20
申请号：US11579902
申请日：2005-05-09
申请人： Katsutoshi Nishizaki , Shirou Nakano , Ken Matsubara , Toshiaki Oya , Yasuhiro Kamatani , Masahiko Sakamaki , Yoshikazu Kuroumaru , Shigeki Nagase , Takayasu Yamazaki , Yasuhiro Saitou , Takeshi Ueda
发明人： Katsutoshi Nishizaki , Shirou Nakano , Ken Matsubara , Toshiaki Oya , Yasuhiro Kamatani , Masahiko Sakamaki , Yoshikazu Kuroumaru , Shigeki Nagase , Takayasu Yamazaki , Yasuhiro Saitou , Takeshi Ueda
IPC分类号： B62D5/04
CPC分类号： B62D6/10 , B62D5/0472
摘要： An electric power steering system is provided which is capable of providing a favorable steering feeling without using compensation logics such as of inertia compensation and friction compensation. The electric power steering system includes road-noise suppression control means (213) for controlling a steering assist motor (9) in a manner to damp torque transmission in a higher frequency region representing road noises than a frequency region representing road information. A friction value of a steering mechanism (A) is decreased enough to allow the intrinsic vibrations of the steering mechanism (A) to appear. Rotor inertia of the steering assist motor (9) is set to a value small enough to allow the frequencies of the intrinsic vibrations to be present in the frequency region where the torque transmission is damped by the road-noise suppression control means (213).
摘要翻译：提供一种电动助力转向系统，其能够在不使用惯性补偿和摩擦补偿等补偿逻辑的情况下提供良好的转向感。电动助力转向系统包括道路噪声抑制控制装置，用于以比表示道路信息的频率区域更低的代表道路噪声的较高频率区域的方式来控制转向辅助电动机（9）。转向机构（A）的摩擦值减小到足以使转向机构（A）的固有振动出现。将转向辅助马达（9）的转子惯量设定为足够小的值，以使固有振动的频率存在于由道路噪声抑制控制装置（213）阻尼转矩传递的频率区域中。

5. 发明授权

US08467938B2 Electric power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US08467938B2
公开(公告)日：2013-06-18
申请号：US12997967
申请日：2009-06-30
申请人： Toshiaki Oya
发明人： Toshiaki Oya
IPC分类号： H02J7/00 , B62D6/00 , B62D5/04 , H02P5/00
CPC分类号： B62D5/046 , B62D5/0457 , B62D5/0475 , H02P6/085
摘要： In an electric power steering apparatus of the invention, a control circuit determines a command value of drive voltage supplied to a motor drive circuit based on an actual current through a motor and a target current. When the command value exceeds the previous value having a lower limit equivalent to a limit value representing the limit of the power supply from a battery, the control circuit controls the amount of discharge from the auxiliary power supply according to a difference between the command value and the previous value by increasing or decreasing a duty of switching devices. Thus, the power steering apparatus can save the energy of the auxiliary power supply for efficiently using the auxiliary power supply.
摘要翻译：在本发明的电动助力转向装置中，控制电路基于通过电动机的实际电流和目标电流来决定供给电动机驱动电路的驱动电压的指令值。当指令值超过前一个值时，其下限相当于表示来自电池的电源极限的极限值，控制电路根据指令值和指令值之间的差异控制辅助电源的放电量通过增加或减少开关装置的占空比来改变先前的值。因此，动力转向装置可以节省辅助电源的能量，以有效地使用辅助电源。

6. 发明申请

US20090079373A1 MOTOR CONTROLLER AND ELECTRIC POWER STEERING SYSTEM 有权
标题翻译：电机控制器和电力转向系统
公开(公告)号：US20090079373A1
公开(公告)日：2009-03-26
申请号：US12236059
申请日：2008-09-23
申请人： Shigeki Nagase , Takeshi Ueda , Ken Matsubara , Toshiaki Oya , Yasuyuki Yoshii
发明人： Shigeki Nagase , Takeshi Ueda , Ken Matsubara , Toshiaki Oya , Yasuyuki Yoshii
IPC分类号： H02H7/085 , H02P6/08
CPC分类号： B62D5/0487 , H02P6/28 , H02P29/027
摘要： A current sensor of a motor controller detects the current applied to a motor drive circuit and thus a phase where a failure cannot be detected would occur without taking any measures. However, an abnormal current monitor section contained in a microcomputer receives a voltage signal of an average value of the currents detected in the current sensor by allowing a signal to pass through a first LPF having a cutoff frequency sufficiently lower than the frequency of a PWM signal. Therefore, whether or not the value is within a predetermined normal range is checked, whereby whether or not some failure containing a failure of the current sensor occurs can be easily determined about every phase.
摘要翻译：电动机控制器的电流传感器检测施加到电动机驱动电路的电流，因此在不采取任何措施的情况下将发生不能检测到故障的阶段。然而，包含在微计算机中的异常电流监视部分通过允许信号通过具有足够低于PWM信号的频率的截止频率的第一LPF来接收在当前传感器中检测到的电流的平均值的电压信号。因此，检查该值是否在预定的正常范围内，因此可以容易地确定每个相位是否确定包含电流传感器的故障的一些故障是否发生。

7. 发明申请

US20070222409A1 Controller for brushless motor 有权
标题翻译：无刷电机控制器
公开(公告)号：US20070222409A1
公开(公告)日：2007-09-27
申请号：US11726554
申请日：2007-03-22
申请人： Yuji Kariatsumari , Toshiaki Oya
发明人： Yuji Kariatsumari , Toshiaki Oya
IPC分类号： H02P27/04
CPC分类号： H02P21/06
摘要： A controller for a brushless motor generates a rotation force of a rotor by applying a voltage to an armature winding based on a d-axis target voltage Vd*, a q-axis target voltage Vq*, and a detected rotation position of the rotor. The d-axis target voltage Vd* is determined based on a value obtained by correcting a result of a feedback calculation for a d-axis current with a d-axis correction value −ωLqIq, and the q-axis target voltage Vq* is determined based on a value obtained by correcting a result of a feedback calculation for a q-axis current with a q-axis correction value ωLdId+ωΦ, in which ω stands for a rotation speed of the rotor, Ld stands for a d-axis self-inductance of the armature winding, Lq stands for a q-axis self-inductance of the armature winding, Id stands for the d-axis current, Iq stands for the q-axis current, and Φ stands for a value obtained by multiplying a maximum value of magnetic flux linkage of the armature winding in a field system of the rotor by a factor of (3/2)1/2.
摘要翻译：用于无刷电动机的控制器通过基于d轴目标电压V 向电枢绕组施加电压来产生转子的旋转力，q轴目标电压V < 并且检测到转子的旋转位置。基于通过用d轴校正值校正d轴电流的反馈计算的结果而获得的值来确定d轴目标电压V SUB * 基于通过校正q轴目标电压V Q q的反馈计算的结果而获得的值来确定q轴目标电压V q，具有q轴校正值ω轴的电流，其中ω代表转子的旋转速度，L >代表电枢绕组的d轴自感，L 代表电枢绕组的q轴自感，I 代表 d轴电流，I 代表q轴电流，Phi表示通过将转子的励磁系统中的电枢绕组的磁通量的最大值乘以转子的励磁系统中的最大值而得到的值（3/2）<1/2>的因子。

8. 发明授权

US07240761B2 Electric power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US07240761B2
公开(公告)日：2007-07-10
申请号：US10865869
申请日：2004-06-14
申请人： Shigeki Nagase , Masahiko Sakamaki , Katsutoshi Nishizaki , Toshiaki Oya , Takeshi Ueda
发明人： Shigeki Nagase , Masahiko Sakamaki , Katsutoshi Nishizaki , Toshiaki Oya , Takeshi Ueda
IPC分类号： B62D5/04 , H02P27/00 , G05B11/36
CPC分类号： B62D5/046 , H02P21/06
摘要： In a current control system for a cylindrical permanent magnet synchronous motor as the drive source of an electric power steering apparatus, proportional gain Kdp and integral gain Kdi of a d-axis current PI control portion 126 are respectively set to K1·Ld and K1·Rd on the basis of d-axis inductance Ld and d-axis resistance Rd of the motor. Further, proportional gain Kqp and integral gain Kqi of a q-axis current PI control portion 128 are respectively set to K2·Lq and K2·Rq on the basis of q-axis inductance Lq and q-axis resistance Rq of the motor (K1 and K2 are optional coefficients). In this case, both of the d-axis resistance Rd and the q-axis resistance Rq have values resulting from adding the external resistance R′ including wiring resistance to the internal resistance R of the motor.
摘要翻译：在作为电动助力转向装置的驱动源的圆筒形永久磁铁同步电动机的电流控制系统中，d轴电流PI控制部分126的比例增益Kdp和积分增益Kdi分别设定为K1.Ld和K1。 Rd基于电动机的d轴电感Ld和d轴电阻Rd。此外，q轴电流PI控制部分128的比例增益Kqp和积分增益Kqi根据电动机的q轴电感Lq和q轴电阻Rq分别设定为K2.Lq和K2.Rq 而K2是可选的系数）。在这种情况下，d轴电阻Rd和q轴电阻Rq都具有通过将包括布线电阻的外部电阻R'与电动机的内部电阻R相加而得到的值。

9. 发明授权

US08593084B2 Auxiliary power supply device and electric power steering device 有权
标题翻译：辅助供电装置和电动助力转向装置
公开(公告)号：US08593084B2
公开(公告)日：2013-11-26
申请号：US12920191
申请日：2009-02-25
申请人： Toshiaki Oya
发明人： Toshiaki Oya
IPC分类号： H02P1/00
CPC分类号： B62D5/0457 , B60L1/003 , B62D5/0481 , H02P29/032 , Y02T10/642
摘要： An auxiliary power supply device that can always supply stable auxiliary power at the time of using an auxiliary power source and an electric power steering device employing the auxiliary power supply device are provided. In the auxiliary power supply device including a discharge circuit selectively constituting a state where a motor is supplied with power from only a battery and a state where the motor is supplied with power from a power source in which an auxiliary power source is connected in series to the battery by PWM control, when the power consumption of the battery is greater than an upper limit, a control circuit is provided which controls the power consumption to return to the upper limit by performing an electric power feedback control using a duty as an amount of operation at the time of turning on and off switching elements by a PWM control on the basis of the difference.
摘要翻译：提供了在使用辅助电源时始终提供稳定的辅助电力的辅助电源装置和使用辅助电源装置的电动助力转向装置。在包括选择性地构成电动机仅从电池供电的状态的放电电路和从辅助电源串联的电源向电动机供电的状态的辅助电源装置中，电池通过PWM控制，当电池的功耗大于上限时，提供控制电路，其通过使用占空比进行电力反馈控制来控制功耗以返回到上限，基于差异，通过PWM控制来接通和断开开关元件时的操作。

10. 发明申请

US20110098889A1 ELECTRIC POWER STEERING APPARATUS 有权
标题翻译：电动转向装置
公开(公告)号：US20110098889A1
公开(公告)日：2011-04-28
申请号：US12997967
申请日：2009-06-30
申请人： Toshiaki Oya
发明人： Toshiaki Oya
IPC分类号： B62D6/00 , B62D5/04
CPC分类号： B62D5/046 , B62D5/0457 , B62D5/0475 , H02P6/085
摘要： In an electric power steering apparatus of the invention, a control circuit determines a command value of drive voltage supplied to a motor drive circuit based on an actual current through a motor and a target current. When the command value exceeds the previous value having a lower limit equivalent to a limit value representing the limit of the power supply from a battery, the control circuit controls the amount of discharge from the auxiliary power supply according to a difference between the command value and the previous value by increasing or decreasing a duty of switching devices. Thus, the power steering apparatus can save the energy of the auxiliary power supply for efficiently using the auxiliary power supply.
摘要翻译：在本发明的电动助力转向装置中，控制电路基于通过电动机的实际电流和目标电流来决定供给电动机驱动电路的驱动电压的指令值。当指令值超过前一个值时，其下限相当于表示来自电池的电源极限的极限值，控制电路根据指令值和指令值之间的差异控制辅助电源的放电量通过增加或减少开关装置的占空比来改变先前的值。因此，动力转向装置可以节省辅助电源的能量，以有效地使用辅助电源。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式