会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 51. 发明申请
    • ELECTRIC POWER STEERING DEVICE
    • 电动转向装置
    • US20090084616A1
    • 2009-04-02
    • US12293140
    • 2007-03-08
    • Isao KezoboNoriyuki InoueChiaki FujimotoTakayuki KifukuMasahiro KimataKazumichi Tsutsumi
    • Isao KezoboNoriyuki InoueChiaki FujimotoTakayuki KifukuMasahiro KimataKazumichi Tsutsumi
    • B62D6/00
    • B62D5/0481B62D5/0463
    • An electric power steering apparatus in which, when an abnormality is generated in an electric power steering apparatus, an assist is reduced smaller than normal when a steering burden is estimated to be small; and the assist can be increased to normal and the steering burden can be sufficiently reduced when the steering burden is estimated to be large. When an abnormality is detected, an assist command is set smaller than at a normal time when there is no abnormality in a first range where the steering burden estimated by the steering burden estimation unit is small; the assist command is increased to that at a normal time in a second range where the steering burden estimated by the steering burden estimation unit is larger than the first range; and an assist torque of a motor is controlled in response to the assist command at the abnormal time.
    • 一种电动助力转向装置,其中,当在电动助力转向装置中产生异常时,当驾驶负担被估计为小时,辅助被减小到比正常小; 并且辅助可以增加到正常,并且当估计转向负载大时可以充分地减小转向负担。 当检测到异常时,当由驾驶负担估计单元估计的转向负荷小的第一范围内没有异常时,将辅助指令设定为小于正常时的辅助指令; 在由转向负担估计单元估计的转向负载大于第一范围的第二范围内,辅助指令增加到正常时的辅助指令; 并且响应于异常时的辅助指令来控制电动机的辅助转矩。
    • 52. 发明授权
    • Electrically operated power steering controller and adjusting method of driving electric current offset in this controller
    • 本控制器中电动助力转向控制器和驱动电流补偿的调整方法
    • US07427843B2
    • 2008-09-23
    • US11685806
    • 2007-03-14
    • Takayuki Kifuku
    • Takayuki Kifuku
    • H02P7/00
    • H02P7/29B62D5/0457B62D5/046
    • 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.
    • 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。
    • 54. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US07355361B2
    • 2008-04-08
    • US11522894
    • 2006-09-19
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • H02P7/29B62D1/00
    • H02P23/06H02H7/0838
    • 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.
    • 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。
    • 55. 发明授权
    • Steering controlling device
    • 转向控制装置
    • US07294985B2
    • 2007-11-13
    • US10998579
    • 2004-11-30
    • Takayuki Kifuku
    • Takayuki Kifuku
    • H02P7/00
    • B62D5/046B62D5/0463
    • A steering controlling device comprising a power source, a motor connected to a steering system, a motor driving circuit converting a power source voltage to a predetermined voltage and applying the voltage to the motor, and a controlling means for controlling the motor driving circuit, wherein the controlling means controls the motor driving circuit so as to boost the power source voltage when a rotational speed of the motor is a predetermined value or more, whereby a sufficient motor output torque is obtainable under various steering conditions in use of a converter, an efficiency is improved by suppressing a frequency of operating the converter, and an appropriate fail safe treatment is conducted when the converter is disordered.
    • 一种转向控制装置,包括电源,连接到转向系统的电动机,将电源电压转换为预定电压并向电动机施加电压的电动机驱动电路,以及用于控制电动机驱动电路的控制装置,其中 控制装置控制电动机驱动电路,以便当电动机的转速为预定值以上时提高电源电压,从而在使用转换器的各种转向条件下可获得足够的电动机输出转矩,效率 通过抑制转换器的操作频率而得到改善,并且当转换器无序时进行适当的故障安全处理。
    • 56. 发明授权
    • Electromotive power steering system
    • 电动助力转向系统
    • US07141948B2
    • 2006-11-28
    • US11066390
    • 2005-02-28
    • Takayuki KifukuHiroyuki KozukiMasaki Matsushita
    • Takayuki KifukuHiroyuki KozukiMasaki Matsushita
    • H02P7/00
    • B62D5/0487B62D5/0481B62D5/0493
    • An objective is to provide, in a motor controller used for an electromotive power steering system, a concrete realistic method for easily performing abnormality judgments in its control system. The electromotive power steering system includes: a d-q command value setting unit for determining, for current to be applied to the motor, d-axis and q-axis current command values in a d-q coordinate system; a current detector for detecting a three-phase AC current actually flowing in the motor; a three-phase AC/d-q coordinate transformer for transforming the three-phase AC current detected by the current detector into a d-axis current detection value and a q-axis current detection value in the d-q coordinate system; a voltage controller for controlling a voltage applied to the motor, based on the d-axis current command value and the q-axis current command value, and on the d-axis current detection value and the q-axis current detection value; and an abnormality judging unit for judging, by either comparing the q-axis current command value with the q-axis current detection value, or comparing the d-axis current command value with the d-axis current detection value, whether a system-control abnormality has occurred.
    • 目的是在用于电动动力转向系统的电动机控制器中提供一种在其控制系统中容易执行异常判断的具体实际方法。 电动动力转向系统包括:d-q指令值设定单元,用于对d-q坐标系中的d轴和q轴电流指令值求电流, 电流检测器,用于检测在电动机中实际流动的三相AC电流; 三相AC / d-q坐标变换器,用于将由电流检测器检测的三相交流电流变换为d-q坐标系中的d轴电流检测值和q轴电流检测值; 基于d轴电流指令值和q轴电流指令值,对d轴电流检测值和q轴电流检测值进行控制的电压控制器,用于控制施加到电动机的电压。 以及异常判断单元,用于通过将q轴电流指令值与q轴电流检测值进行比较,或者将d轴电流指令值与d轴电流检测值进行比较来判断系统控制 发生异常
    • 57. 发明申请
    • ELECTRIC POWER STEERING APPARATUS AND CONTROL METHOD OF THE SAME
    • 电动转向装置及其控制方法
    • US20050258791A1
    • 2005-11-24
    • US10959067
    • 2004-10-07
    • Eiji IwamiSusumu ZeniyaTakayuki Kifuku
    • Eiji IwamiSusumu ZeniyaTakayuki Kifuku
    • B62D6/00B62D5/04B62D6/08B62D119/00H02P7/00
    • B62D5/049B62D5/0463
    • In an electric power steering apparatus in which a third motor target current is determined from a first motor target current determined on the basis of a detection torque from a steering torque detection means and a second motor target current determined using at least a detection value of the motor current detection circuit as one of inputs, and a motor drive signal is calculated on the basis of the third motor target current and a detection current from the motor current detection circuit to control a motor current, there is included a motor current detection circuit failure judgment means for judging a failure of the motor current detection circuit, and when a judgment of failure is made, at least the second motor target current is limited.
    • 在电动助力转向装置中,根据来自转向转矩检测装置的检测转矩确定的第一电动机目标电流和使用至少一个检测值确定的第二电动机目标电流来确定第三电动机目标电流 电动机电流检测电路作为输入之一,并且基于第三电动机目标电流和来自电动机电流检测电路的检测电流来计算电动机驱动信号以控制电动机电流,包括电动机电流检测电路故障 用于判断电动机电流检测电路的故障的判断装置,并且当进行故障判断时,至少第二电动机目标电流受到限制。
    • 58. 发明授权
    • Steering control device
    • 转向控制装置
    • US06741053B2
    • 2004-05-25
    • US10267733
    • 2002-10-10
    • Takayuki KifukuKatsuhiko Ohmae
    • Takayuki KifukuKatsuhiko Ohmae
    • H02P700
    • B62D5/0457B62D5/0463B62D6/10
    • A steering control device is realized which is capable of handling a variety of torque sensors through the same signal processing circuit, and in which a cost increase is suppressed while taking sufficient failsafe measures, having a torque sensor for detecting a signal corresponding to a steering torque in a steering system; a first microcontroller for outputting a steering torque signal equivalent to the steering torque; a second microcontroller for controlling an actuator based on the steering torque signal outputted; actuator driving means for driving the actuator controlling the steering system; and storage means in which a steering torque neutral point compensation data is stored in advance; wherein the first microcontroller compensates a neutral point of the steering torque signal based on the neutral point compensation data stored in the storage means.
    • 实现了能够通过相同的信号处理电路处理各种扭矩传感器的转向控制装置,并且在采取足够的故障保护措施的同时抑制成本增加,具有用于检测对应于转向转矩的信号的转矩传感器 在转向系统中; 用于输出与转向转矩相当的转向转矩信号的第一微控制器; 第二微控制器,用于基于输出的转向转矩信号来控制致动器; 用于驱动控制转向系统的致动器的致动器驱动装置; 以及预先存储转向转矩中性点补偿数据的存储装置; 其中第一微控制器基于存储在存储装置中的中性点补偿数据来补偿转向转矩信号的中性点。
    • 59. 发明授权
    • Motor driven power steering device
    • 电动助力转向装置
    • US06332506B1
    • 2001-12-25
    • US09242173
    • 1999-02-10
    • Takayuki Kifuku
    • Takayuki Kifuku
    • B62D504
    • B62D5/0487H02H7/0838
    • An electric power steering apparatus includes a motor 1 which produces an auxiliary steering force in accordance with, for example, a steering torque detected by a torque sensor 7; a motor drive circuit 2 which controllably drives the motor 1; a power supply voltage detecting circuit 17 which detects the power supply voltage VB of the motor drive circuit 2; and a microcomputer 9. The microcomputer 9 detects terminal voltages VM+ and VM− of the motor 1 when the power supply voltage detecting circuit 17 determines that the power supply voltage AB is higher than a predetermined value. Then, the microcomputer 9 makes a decision to determine whether the detected terminal voltages VM+ and VM− are not predetermined values VTHH and VTHL, respectively. If it is determined that the terminal voltages VM+ and VM− are not the predetermined values VTHH and VTHL, respectively, then the microcomputer 9 determines that a fault has occurred on the lines connected to the motor 1.
    • 电动助力转向装置包括:电动机1,其根据例如由转矩传感器7检测的转向转矩产生辅助转向力; 电动机驱动电路2,其可控制地驱动电动机1; 检测电动机驱动电路2的电源电压VB的电源电压检测电路17; 微型计算机9.当电源电压检测电路17判断为电源电压AB高于规定值时,微型计算机9检测电动机1的端子电压VM +,VM-。 然后,微计算机9判定检测出的端子电压VM +,VM-是否不是预定值VTHH和VTHL。 如果确定端子电压VM +和VM-分别不是预定值VTHH和VTHL,则微型计算机9确定在连接到电动机1的线路上已经发生故障。
    • 60. 发明授权
    • Motor-driven power steering system for motor vehicle
    • 机动车用电动助力转向系统
    • US6032756A
    • 2000-03-07
    • US864514
    • 1997-05-28
    • Hiroshi NishimuraTakayuki KifukuShunichi Wada
    • Hiroshi NishimuraTakayuki KifukuShunichi Wada
    • B62D6/00B62D5/04
    • B62D5/0493B62D5/0463
    • A motor-driven power steering system for a motor vehicle implemented inexpensively in a simplified structure allows operation of a steering assist torque generating motor even in the vicinity of a neutral point while preventing rotation of the motor in a direction reverse to the steering direction as well as self-rotation of a steering wheel notwithstanding of occurrence of abnormality in a controller implemented by a CPU. The motor-driven power steering system includes a CPU (3) for controlling a motor (2) in dependence on output of a steering torque detecting unit (1), an interlock means (5) for limiting driving operation of the motor (2) upon occurrence of abnormality in the CPU (3), and a motor driving means (6) for driving the motor (2) in accordance with commands issued by the CPU (3).
    • 以简化的结构廉价地实现的用于机动车辆的电动机动力转向系统允许即使在中性点附近也可以操作转向辅助转矩产生电动机,同时防止电动机沿与转向方向相反的方向旋转 作为由CPU实现的控制器中的异常发生的方向盘的自转。 电动助力转向系统包括:用于根据转向转矩检测单元(1)的输出来控制电动机(2)的CPU(3);用于限制电动机(2)的驱动操作的互锁装置(5) 在CPU(3)发生异常时,以及根据CPU(3)发出的命令驱动电动机(2)的电动机驱动装置(6)。