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    • 11. 发明授权
    • Electric power steering control apparatus
    • 电动助力转向控制装置
    • US07624838B2
    • 2009-12-01
    • US11493598
    • 2006-07-27
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • Takayuki KifukuMasaki MatsushitaHiroyuki Kozuki
    • B62D5/04
    • B62D5/049B62D5/0463B62D5/0484
    • 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.
    • 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。
    • 12. 发明申请
    • Electromotive power steering controller
    • 电动助力转向控制器
    • US20060076832A1
    • 2006-04-13
    • US11211577
    • 2005-08-26
    • Masaki MatsushitaTakayuki KifukuHiroyuki Kozuki
    • Masaki MatsushitaTakayuki KifukuHiroyuki Kozuki
    • B60L1/00
    • B62D5/0487H02P21/22
    • An objective is to provide a specific realization means for easily determining malfunction of a system in an electromotive power steering controller. The electromotive power steering controller includes: a voltage controller for controlling voltage applying to a motor based on a d-axis current command value and a q-axis current command value that are set by a d-q-command-value setting unit, and a d-axis current detection value and a q-axis current detection value that are obtained by, using the d-q coordinate system, transforming three-phase ac current that has been actually flowing in the motor and has been detected by a current detector; and a malfunction determining unit for determining that malfunction has occurred in the control system if at least one of the phase-current detection value is out of a first predetermined permissible range.
    • 目的是提供一种用于容易地确定电动助力转向控制器中的系统的故障的具体实现装置。 电动动力转向控制器包括:电压控制器,用于基于由dq指令值设定单元设定的d轴电流指令值和q轴电流指令值,控制施加于电动机的电压,d 通过使用dq坐标系获得的电流检测值和q轴电流检测值,其变换已经在电动机中实际流动并且由电流检测器检测到的三相交流电流; 以及故障确定单元,用于如果所述相电流检测值中的至少一个超出第一预定容许范围,则确定在所述控制系统中已发生故障。
    • 15. 发明申请
    • STEERING CONTROL APPARATUS
    • 转向控制装置
    • US20100222968A1
    • 2010-09-02
    • US12160948
    • 2006-05-30
    • Takayuki KifukuHiroyuki KozukiMasaaki Matsushita
    • Takayuki KifukuHiroyuki KozukiMasaaki Matsushita
    • B62D5/04B62D6/00B62D15/02
    • B62D5/0493H02P29/02
    • A steering control apparatus is obtained which can achieve a sophisticated control function and redundancy of a motor output torque control unit with a simple construction. The apparatus includes a motor 3 that provides assist torque to a steering system, and a processing unit 2 that has an input processing section 21 for taking in detection signals of various kinds of sensors, and an inverter 25a for driving the motor 3, wherein a command is given to the inverter 25a based on the detection signals. The processing unit 2 has a motor target output torque calculation section 221a, a motor output torque control unit 222, a plurality of main-calculation sections, and a plurality of sub-calculation sections corresponding to the main-calculation sections, and determines abnormality of the motor output torque control unit 222 based on individual calculation results of the main-calculation sections and the sub-calculation sections.
    • 获得能够以简单的结构实现电机输出转矩控制单元的复杂控制功能和冗余的转向控制装置。 该装置包括向转向系统提供辅助转矩的电动机3和具有用于接收各种传感器的检测信号的输入处理部21的处理单元2和用于驱动电动机3的逆变器25a,其中, 基于检测信号向逆变器25a提供指令。 处理单元2具有电动机目标输出转矩计算部221a,电动机输出转矩控制部222,多个主计算部以及与主计算部对应的多个子运算部, 电动机输出转矩控制单元222基于主计算部分和子计算部分的各个计算结果。
    • 16. 发明申请
    • Steering control apparatus
    • 转向控制装置
    • US20060076182A1
    • 2006-04-13
    • US11098433
    • 2005-04-05
    • Takayuki KifukuHiroyuki KozukiYasuaki Hori
    • Takayuki KifukuHiroyuki KozukiYasuaki Hori
    • B62D5/04
    • B62D5/0493B62D5/0481
    • A steering control apparatus of a simple configuration is adaptable so A steering control apparatus of a simple configuration is adaptable so as to construct a redundant system from an input to an output system at low cost in a reliable manner. A torque sensor detects a steering torque, and a motor (3) provides torque to a steering system. A motor drive circuit (56) drives the motor, and a steering control section (53a) calculates at least a target current for the motor based on the steering torque. A motor control section (53b) provides an instruction to the motor drive circuit (56) based on the target current. A steering control verification section (54a) verifies an operation of the steering control section (53a) based on the steering torque and the target current. A motor control verification section (54b) verifies an operation of the motor control section (53b) based on a predetermined state quantity of the motor drive circuit (56) or the motor (3).
    • 简单结构的转向控制装置是可适应的,因此简单配置的转向控制装置是可适应的,以便以可靠的方式以低成本构建从输入到输出系统的冗余系统。 转矩传感器检测转向转矩,电动机(3)向转向系统提供转矩。 电动机驱动电路(56)驱动电动机,转向控制部(53a)基于转向转矩来计算电动机的至少目标电流。 电动机控制部(53b)基于目标电流向电动机驱动电路(56)提供指示。 转向控制验证部(54a)基于转向转矩和目标电流来验证转向控制部(53a)的动作。 电动机控制验证部(54b)基于电动机驱动电路(56)或电动机(3)的预定状态量来验证电动机控制部(53b)的动作。
    • 18. 发明授权
    • Steering control apparatus
    • 转向控制装置
    • US07165646B2
    • 2007-01-23
    • US11098433
    • 2005-04-05
    • Takayuki KifukuHiroyuki KozukiYasuaki Hori
    • Takayuki KifukuHiroyuki KozukiYasuaki Hori
    • B62D5/04
    • B62D5/0493B62D5/0481
    • A steering control apparatus of a simple configuration is adaptable so as to construct a redundant system from an input to an output system at low cost in a reliable manner. A torque sensor detects a steering torque, and a motor (3) provides torque to a steering system. A motor drive circuit (56) drives the motor, and a steering control section (53a) calculates at least a target current for the motor based on the steering torque. A motor control section (53b) provides an instruction to the motor drive circuit (56) based on the target current. A steering control verification section (54a) verifies an operation of the steering control section (53a) based on the steering torque and the target current. A motor control verification section (54b) verifies an operation of the motor control section (53b) based on a predetermined state quantity of the motor drive circuit (56) or the motor (3).
    • 简单配置的转向控制装置是可适应的,以便以可靠的方式以低成本构建从输入到输出系统的冗余系统。 转矩传感器检测转向转矩,电动机(3)向转向系统提供转矩。 电动机驱动电路(56)驱动电动机,转向控制部(53a)基于转向转矩来计算电动机的至少目标电流。 电动机控制部(53b)基于目标电流向电动机驱动电路(56)提供指示。 转向控制验证部(54a)基于转向转矩和目标电流来验证转向控制部(53a)的动作。 电动机控制验证部(54b)基于电动机驱动电路(56)或电动机(3)的预定状态量来验证电动机控制部(53b)的动作。
    • 19. 发明授权
    • Electric motor control apparatus
    • 电动机控制装置
    • US08648560B2
    • 2014-02-11
    • US12749945
    • 2010-03-30
    • Masaki MatsushitaTakayuki KifukuYasuaki Hori
    • Masaki MatsushitaTakayuki KifukuYasuaki Hori
    • H02P7/00G01R19/00
    • H02M7/53873H02M2001/0009H02P27/08
    • In an electric motor control apparatus, an electric motor driving unit includes: a current detection unit configured to detect a current flowing through a current detection place in the electric motor driving unit. A control unit includes a current calculation unit configured to calculate a current value of a current flowing through an electric motor from an offset correction value obtained based on a first detection value detected at a time when a current flows through the current detection place and a second detection value detected at a time when a current does not flow through the current detection place. The offset correction value includes: a first offset correction value stored in nonvolatile memory of the control unit at a time of assembling the electric motor control apparatus; and a second offset correction value computed by the control unit while the electric motor is driven.
    • 在电动机控制装置中,电动机驱动单元包括:电流检测单元,被配置为检测流过电动机驱动单元中的电流检测位置的电流。 控制单元包括电流计算单元,其被配置为从基于在电流流过电流检测地点时检测到的第一检测值获得的偏移校正值来计算流过电动机的电流的当前值,以及第二 当电流不流过电流检测位置时检测到的检测值。 偏移校正值包括:在组装电动机控制装置时存储在控制单元的非易失性存储器中的第一偏移校正值; 以及在电动机被驱动时由控制单元计算的第二偏移校正值。
    • 20. 发明申请
    • Fault detection system for inverter
    • 变频器故障检测系统
    • US20060056206A1
    • 2006-03-16
    • US11044297
    • 2005-01-28
    • Takayuki KifukuMasaki Matsushita
    • Takayuki KifukuMasaki Matsushita
    • H02J1/00
    • H02M7/5387H02M1/32H02M7/53873
    • An inverter fault detection system of the present invention is provided with: bus voltage monitor means for monitoring the bus voltage of a three-phase inverter; output voltage monitor means for summing the phase output voltages coming from the three-phase PWM inverter, and for outputting the resulting summed output voltage through a filter having a low-pass characteristic of passing through only the cutoff frequency lower than the PWM carrier frequency; and fault determination means for determining that the three-phase PWM inverter is in the faulty state when the output voltage coming from the output voltage monitor means is almost the same as the voltage value corresponding to 3/2 times of the bus voltage monitored by the bus voltage monitor means.
    • 本发明的逆变器故障检测系统具有:母线电压监视装置,用于监测三相逆变器的总线电压; 输出电压监视器装置,用于对来自三相PWM逆变器的相输出电压进行求和,并且通过具有仅通过低于PWM载波频率的截止频率的低通特性的滤波器输出所得到的相加的输出电压; 以及故障判定单元,当来自所述输出电压监视单元的输出电压与由所述输出电压监视单元监视的所述总线电压的3/2倍对应的电压值几乎相同时,判定所述三相PWM逆变器处于故障状态 总线电压监视装置。