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1. 发明授权

US08791659B2 Motor control unit and electric power steering system 有权
标题翻译：电机控制单元和电动助力转向系统
公开(公告)号：US08791659B2
公开(公告)日：2014-07-29
申请号：US13570857
申请日：2012-08-09
申请人： Isao Namikawa , Terutaka Tamaizumi , Yuji Kariatsumari
发明人： Isao Namikawa , Terutaka Tamaizumi , Yuji Kariatsumari
IPC分类号： H02P21/14 , H02P6/00
CPC分类号： H02P6/00
摘要： A F/B gain control unit computes a first change component by executing torque feedback control based on a torque deviation using a feedback gain that is computed by a F/B gain variable control unit. The F/B gain variable control unit computes one of two different feedback gains that correspond to a “first computation mode” in which the first change component is used as an addition angle and a “second computation mode” in which a value obtained by correcting the first change component by an estimated motor rotation angular velocity is used as the addition angle, respectively. A feedback gain used in the first computation mode is set such that a response at the feedback gain is higher than that at a feedback gain used in the second computation mode.
摘要翻译： F / B增益控制单元通过使用由F / B增益变量控制单元计算的反馈增益，基于转矩偏差执行转矩反馈控制来计算第一变化分量。 F / B增益可变控制单元计算与将第一变化分量用作相加角的“第一计算模式”对应的两个不同的反馈增益中的一个，以及“第二计算模式”，其中通过校正获得的值将第一变化分量乘以估计的电机旋转角速度作为相加角。设置在第一计算模式中使用的反馈增益，使得反馈增益的响应高于在第二计算模式中使用的反馈增益时的响应。

2. 发明授权

US08874316B2 Vehicle steering system 有权
标题翻译：车辆转向系统
公开(公告)号：US08874316B2
公开(公告)日：2014-10-28
申请号：US13205138
申请日：2011-08-08
申请人： Yuji Kariatsumari , Terutaka Tamaizumi , Isao Namikawa
发明人： Yuji Kariatsumari , Terutaka Tamaizumi , Isao Namikawa
IPC分类号： B62D5/04 , B62D5/14
CPC分类号： B62D5/046 , B62D5/0463
摘要： A current increase-decrease amount (ΔIγ*) computed by a command current increase-decrease amount computing unit is added to an immediately preceding value (Iγ*(n−1)) of a command current value (Iγ*) in an adder. The command current value (Iγ*) obtained by the adder is given to a high/low limit limiter. The high/low limit limiter limits the command current value (Iγ*), obtained by the adder, to a value between a low limit value (ξmin (ξmin≧0)) and a high limit value (ξmax (ξmax>ξmin)). A high limit value setting unit obtains the high limit value (ξmax) corresponding to the vehicle speed detected by the vehicle speed sensor, from a vehicle speed-vs.-high limit value map set by a map creating/updating unit, and sets the obtained high limit value (ξmax) in the high/low limit limiter.
摘要翻译：由指令电流增加减少量运算部计算出的电流增减量（＆Dgr;Iγ*）被加到指令电流值（Iγ*）的前一个值（Iγ*（n-1））加法器。通过加法器获得的指令电流值（Iγ*）被赋予高/低限制限制器。高/低限制限制器将由加法器获得的指令电流值（Iγ*）限制在下限值（＆xgr; min（＆xgr;min≥0））和上限值（＆xgr; max （＆xgr; max>＆xgr; min））。上限值设定单元根据由地图生成/更新单元设定的车速与上限值映射得出与车速传感器检测出的车速对应的上限值（＆xgr; max），以及将所获得的上限值（＆xgr; max）设置在高/低限制限制器中。

3. 发明申请

US20130311044A1 ELECTRIC POWER STEERING APPARATUS 有权
标题翻译：电动转向装置
公开(公告)号：US20130311044A1
公开(公告)日：2013-11-21
申请号：US13982119
申请日：2012-03-28
申请人： Terutaka Tamaizumi , Hirozumi Eki , Masayuki Kita , Isao Namikawa
发明人： Terutaka Tamaizumi , Hirozumi Eki , Masayuki Kita , Isao Namikawa
IPC分类号： B62D5/04
CPC分类号： B62D5/0472 , B62D5/0463 , B62D6/08
摘要： An assisting command value calculating unit calculates a first assisting factor on the basis of the value of a torque differential control volume added to a basic assist control volume based on a steering torque value, while increasing or decreasing, on the basis of an assisting gradient, the torque differential control volume based on a torque differential value. The pinion angle F/B control unit calculates a pinion angle command value, capable of being converted to a steering angle of the steering wheel, on the basis of the steering torque and the first assisting factor, and executes rotational angle feedback control. The assisting command value calculating unit calculates an assisting command value on the basis of the value of a second assisting factor, calculated by the pinion angle F/B control unit, added to the first assisting factor.
摘要翻译：辅助指令值计算单元，基于辅助梯度，基于转向转矩值，基于辅助控制量添加到基本辅助控制量的转矩差分控制量的值来计算第一辅助因子，同时增加或减少，基于转矩差分值的转矩差动控制量。小齿轮角度F / B控制单元基于转向扭矩和第一辅助因子计算能够转换为方向盘的转向角的小齿轮角度指令值，并执行旋转角度反馈控制。辅助指令值计算单元基于由小齿轮角度F / B控制单元计算的与第一辅助因子相加的第二辅助因子的值来计算辅助命令值。

4. 发明授权

US08897965B2 Electric power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US08897965B2
公开(公告)日：2014-11-25
申请号：US13982119
申请日：2012-03-28
申请人： Terutaka Tamaizumi , Hirozumi Eki , Masayuki Kita , Isao Namikawa
发明人： Terutaka Tamaizumi , Hirozumi Eki , Masayuki Kita , Isao Namikawa
IPC分类号： B62D6/08 , B62D5/04
CPC分类号： B62D5/0472 , B62D5/0463 , B62D6/08
摘要： An assisting command value calculating unit calculates a first assisting factor on the basis of the value of a torque differential control volume added to a basic assist control volume based on a steering torque value, while increasing or decreasing, on the basis of an assisting gradient, the torque differential control volume based on a torque differential value. The pinion angle F/B control unit calculates a pinion angle command value, capable of being converted to a steering angle of the steering wheel, on the basis of the steering torque and the first assisting factor, and executes rotational angle feedback control. The assisting command value calculating unit calculates an assisting command value on the basis of the value of a second assisting factor, calculated by the pinion angle F/B control unit, added to the first assisting factor.
摘要翻译：辅助指令值计算单元，基于辅助梯度，基于转向转矩值，基于辅助控制量添加到基本辅助控制量的转矩差分控制量的值来计算第一辅助因子，同时增加或减少，基于转矩差分值的转矩差动控制量。小齿轮角度F / B控制单元基于转向扭矩和第一辅助因子计算能够转换为方向盘的转向角的小齿轮角度指令值，并执行旋转角度反馈控制。辅助指令值计算单元基于由小齿轮角度F / B控制单元计算的与第一辅助因子相加的第二辅助因子的值来计算辅助命令值。

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