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1. 发明申请

US20070247766A1 Electric power steering device 有权
标题翻译：电动助力转向装置
公开(公告)号：US20070247766A1
公开(公告)日：2007-10-25
申请号：US11586566
申请日：2006-10-26
申请人： Susumu Zeniya , Shigeki Otagaki
发明人： Susumu Zeniya , Shigeki Otagaki
IPC分类号： H02H7/08
CPC分类号： B62D5/0463 , B62D5/0481 , B62D5/0496
摘要： An electric power steering device that can estimate an ambient temperature and apply current limiting without using ambient temperature detecting means is provided. The electric power steering device includes a motor that supplements the driver's steering force, a controller that determines and controls the quantity of current passed to the motor, and vehicle speed detecting means. The electric power steering device includes ambient temperature estimating means provided with a vehicle speed signal input from the vehicle speed detecting means and limits the quantity of current passed to the motor according to an output from the ambient temperature estimating means.
摘要翻译：提供一种可以在不使用环境温度检测装置的情况下估计环境温度并施加电流限制的电动助力转向装置。电动助力转向装置包括补充驾驶员转向力的电动机，确定并控制传递到电动机的电流量的控制器以及车速检测装置。电动助力转向装置包括环境温度估计装置，其具有从车速检测装置输入的车速信号，并根据环境温度估计装置的输出限制传递给电动机的电流量。

2. 发明授权

US07619859B2 Electric power steering device 有权
标题翻译：电动助力转向装置
公开(公告)号：US07619859B2
公开(公告)日：2009-11-17
申请号：US11586566
申请日：2006-10-26
申请人： Susumu Zeniya , Shigeki Otagaki
发明人： Susumu Zeniya , Shigeki Otagaki
IPC分类号： H02H5/04
CPC分类号： B62D5/0463 , B62D5/0481 , B62D5/0496
摘要： An electric power steering device that can estimate an ambient temperature and apply current limiting without using ambient temperature detecting means is provided. The electric power steering device includes a motor that supplements the driver's steering force, a controller that determines and controls the quantity of current passed to the motor, and vehicle speed detecting means. The electric power steering device includes ambient temperature estimating means provided with a vehicle speed signal input from the vehicle speed detecting means and limits the quantity of current passed to the motor according to an output from the ambient temperature estimating means.
摘要翻译：提供一种可以在不使用环境温度检测装置的情况下估计环境温度并施加电流限制的电动助力转向装置。电动助力转向装置包括补充驾驶员转向力的电动机，确定并控制传递到电动机的电流量的控制器以及车速检测装置。电动助力转向装置包括环境温度估计装置，其具有从车速检测装置输入的车速信号，并根据环境温度估计装置的输出限制传递给电动机的电流量。

3. 发明授权

US06902028B2 Electric power steering control system 有权
公开(公告)号：US06902028B2
公开(公告)日：2005-06-07
申请号：US10864397
申请日：2004-06-10
申请人： Yuji Takatsuka , Katsuhiko Ohmae , Norihiro Yamaguchi , Susumu Zeniya , Takayuki Kifuku , Shigeki Ohtagaki
发明人： Yuji Takatsuka , Katsuhiko Ohmae , Norihiro Yamaguchi , Susumu Zeniya , Takayuki Kifuku , Shigeki Ohtagaki
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D107/00 , B62D119/00 , B62D127/00 , H02P29/00
CPC分类号： B62D5/0463 , B62D5/0496
摘要： Conventionally, there was a problem that in cases when it is difficult to place a temperature sensor in the vicinity of a heat-generating portion, overheating could not be prevented. Disclosed is an electric power steering control system including a torque sensor for detecting steering force of a steering system; a motor current determination unit for determining the motor current based on the steering force detected by the torque sensor; a temperature sensor for detecting an ambient temperature; a coefficient setting unit for setting a coefficient in accordance with the detected temperature obtained by means of the temperature sensor; a motor current detection unit for detecting a motor current being passed to a motor; a maximum current limit value calculation unit for calculating a maximum current limit value based on the detected current and the coefficient; a current limiting unit for selecting the smaller value between the motor current determined by the motor current determination unit and the maximum current limit value calculated and outputting this as a target current; and a motor current control section for passing the target current to the motor in such a way that the motor current is equal to the detected current, whereby a motor current limit being set according to temperature is applied.

4. 发明授权

US06860361B2 Electric power steering control system 有权
标题翻译：电动助力转向控制系统
公开(公告)号：US06860361B2
公开(公告)日：2005-03-01
申请号：US10634955
申请日：2003-08-06
申请人： Yuji Takatsuka , Katsuhiko Ohmae , Norihiro Yamaguchi , Susumu Zeniya , Takayuki Kifuku , Shigeki Ohtagaki
发明人： Yuji Takatsuka , Katsuhiko Ohmae , Norihiro Yamaguchi , Susumu Zeniya , Takayuki Kifuku , Shigeki Ohtagaki
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D107/00 , B62D119/00 , B62D127/00 , H02P29/00
CPC分类号： B62D5/0463 , B62D5/0496
摘要： Conventionally, there was a problem that in cases when it is difficult to place a temperature sensor in the vicinity of a heat-generating portion, overheating could not be prevented. Disclosed is an electric power steering control system including a torque sensor for detecting steering force of a steering system; a motor current determination unit for determining the motor current based on the steering force detected by the torque sensor; a temperature sensor for detecting an ambient temperature; a coefficient setting unit for setting a coefficient in accordance with the detected temperature obtained by means of the temperature sensor; a motor current detection unit for detecting a motor current being passed to a motor; a maximum current limit value calculation unit for calculating a maximum current limit value based on the detected current and the coefficient; a current limiting unit for selecting the smaller value between the motor current determined by the motor current determination unit and the maximum current limit value calculated and outputting this as a target current; and a motor current control section for passing the target current to the motor in such a way that the motor current is equal to the detected current, whereby a motor current limit being set according to temperature is applied.
摘要翻译：通常，存在难以将温度传感器放置在发热部附近的情况下，不能防止过热的问题。公开了一种电动助力转向控制系统，包括用于检测转向系统的转向力的转矩传感器; 电动机电流确定单元，用于基于由所述转矩传感器检测到的转向力来确定所述电动机电流; 用于检测环境温度的温度传感器; 系数设定单元，用于根据通过温度传感器获得的检测温度来设定系数; 电动机电流检测单元，用于检测正在传递给电动机的电动机电流; 最大电流限制值计算单元，用于基于检测到的电流和系数来计算最大电流限制值; 电流限制单元，用于选择由电动机电流确定单元确定的电动机电流与计算的最大电流限制值之间的较小值，并将其输出为目标电流; 以及电动机电流控制部分，用于使电动机电流等于检测电流的方式将目标电流传递到电动机，由此施加根据温度设定的电动机电流极限。

5. 发明申请

US20050258791A1 ELECTRIC POWER STEERING APPARATUS AND CONTROL METHOD OF THE SAME 有权
标题翻译：电动转向装置及其控制方法
公开(公告)号：US20050258791A1
公开(公告)日：2005-11-24
申请号：US10959067
申请日：2004-10-07
申请人： Eiji Iwami , Susumu Zeniya , Takayuki Kifuku
发明人： Eiji Iwami , Susumu Zeniya , Takayuki Kifuku
IPC分类号： B62D6/00 , B62D5/04 , B62D6/08 , B62D119/00 , H02P7/00
CPC分类号： B62D5/049 , B62D5/0463
摘要： 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.
摘要翻译：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。

6. 发明授权

US09575127B2 Motor control device and electric power steering device using same 有权
标题翻译：电机控制装置和电动助力转向装置使用相同
公开(公告)号：US09575127B2
公开(公告)日：2017-02-21
申请号：US14114576
申请日：2012-05-07
申请人： Isao Kezobo , Masahiro Iezawa , Susumu Zeniya , Eiji Iwami , Yusuke Fujiki , Hiroyuki Kishioka , Sadaaki Kamei , Yoshihiko Kimpara , Jiro Okada
发明人： Isao Kezobo , Masahiro Iezawa , Susumu Zeniya , Eiji Iwami , Yusuke Fujiki , Hiroyuki Kishioka , Sadaaki Kamei , Yoshihiko Kimpara , Jiro Okada
IPC分类号： H02P7/00 , G01R31/34 , B62D5/04
CPC分类号： G01R31/343 , B62D5/0463 , B62D5/0487 , H02P29/0241 , H02P29/0243
摘要： Provided are a motor control device (1) for controlling a motor (2) having a plurality of phases, for quickly and accurately detecting a phase in which an open-state fault has occurred when the open-state fault occurs in a target phase. When a power-supply voltage (Vb) is equal to or higher than a predetermined voltage (Vthr), a motor rotation speed (ω) is equal to or lower than a predetermined speed (ωthr), a target x-phase voltage command (Vx*) is not in the vicinity of zero, a current (Ix) of the target x-phase is equal to or lower than a predetermined current (Iu_thr), and a state in which a control error is equal to or larger than a predetermined error is detected over a predetermined time period or longer, occurrence of an open-state fault in the target phase is determined.
摘要翻译：提供一种用于控制具有多个相位的电动机（2）的电动机控制装置（1），用于当在目标阶段中发生开放状态故障时快速且准确地检测出发生了开态状态故障的相位。当电源电压（Vb）等于或高于预定电压（Vthr）时，电机转速（ω）等于或低于预定速度（ωthr），目标x相电压指令（ Vx *）不在零附近，目标x相的电流（Ix）等于或小于预定电流（Iu_thr），并且控制误差等于或大于在预定时间段或更长时间内检测到预定误差，确定目标阶段中的开放状态故障的发生。

7. 发明授权

US06992449B2 Electric power steering apparatus and control method of the same 有权
标题翻译：电动助力转向装置及其控制方法相同
公开(公告)号：US06992449B2
公开(公告)日：2006-01-31
申请号：US10959067
申请日：2004-10-07
申请人： Eiji Iwami , Susumu Zeniya , Takayuki Kifuku
发明人： Eiji Iwami , Susumu Zeniya , Takayuki Kifuku
IPC分类号： H02P7/00
CPC分类号： B62D5/049 , B62D5/0463
摘要： 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.
摘要翻译：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。

8. 发明授权

US6161068A Electric power steering control system 有权
标题翻译：电动助力转向控制系统
公开(公告)号：US6161068A
公开(公告)日：2000-12-12
申请号：US340385
申请日：1999-06-28
申请人： Masahiko Kurishige , Noriyuki Inoue , Takayuki Kifuku , Susumu Zeniya
发明人： Masahiko Kurishige , Noriyuki Inoue , Takayuki Kifuku , Susumu Zeniya
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D119/00 , B62D137/00
CPC分类号： B62D5/0463 , B62D5/0472
摘要： An electric power steering control system reducing steering torque without making a driver feel uncomfortable torque oscillation, including a rotation speed observer for estimating the rotation speed of a motor based on the output of a torque sensor high pass filter (HPF) and the output of a drive current HPF obtained by removing a steering frequency component from a drive current detection value.
摘要翻译：一种电动助力转向控制系统，在不使驾驶员感到不舒适的扭矩振动的情况下，减小转向转矩，包括基于转矩传感器高通滤波器（HPF）的输出来估计电动机的转速的转速观测器，通过从驱动电流检测值中去除转向频率分量而获得的驱动电流HPF。

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