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    • 3. 发明申请
    • MAGNETIC DISK APPARATUS AND METHOD FOR CONTROLLING MAGNETIC HEAD
    • 磁盘设备及控制磁头的方法
    • US20080291568A1
    • 2008-11-27
    • US12025305
    • 2008-02-04
    • Shinji TakakuraKohei MaruchiMitsunobu Yoshida
    • Shinji TakakuraKohei MaruchiMitsunobu Yoshida
    • G11B5/596
    • G11B5/5547
    • A magnetic disk apparatus includes: a driving unit; a position error feedback control system; and a velocity control system. The driving unit is configured to move a magnetic head operative for magnetic recording/reproduction of information on a magnetic disk. The position error feedback control system is configured to perform feedback control of the driving unit based on difference between target track position and detected position of the magnetic head. The velocity control system is configured to vary a target velocity curve based on position of the magnetic head before motion, the target track position of the magnetic head, and position of a data sector to be subjected to recording/reproduction, for using a control mathematical model of the driving unit to control the driving unit so that velocity of the driving unit follows the target velocity curve.
    • 磁盘装置包括:驱动单元; 位置误差反馈控制系统; 和速度控制系统。 驱动单元被配置为移动用于磁记录/再现磁盘上的信息的磁头。 位置误差反馈控制系统被配置为基于目标轨迹位置和磁头的检测位置之间的差异来执行驱动单元的反馈控制。 速度控制系统被配置为基于运动前的磁头的位置,磁头的目标轨迹位置和要进行记录/再现的数据扇区的位置来改变目标速度曲线,以使用控制数学 驱动单元的模型来控制驱动单元,使得驱动单元的速度跟随目标速度曲线。
    • 4. 发明授权
    • Plastic foamed article
    • 塑料泡沫制品
    • US09272646B2
    • 2016-03-01
    • US14241307
    • 2012-08-28
    • Shinji TakakuraSoichiro Yamazaki
    • Shinji TakakuraSoichiro Yamazaki
    • B60N2/48A47C7/38B60N2/68
    • B60N2/882A47C7/383B60N2/682B60N2/80Y10T428/24008
    • Provided is a plastic foamed article to be attached to an attaching target having a rod-shaped attaching portion having a radial direction, the plastic foamed article including a holding portion for holding the attaching portion in the radial direction in a state attached to the attaching target, the holding portion including a pair of opposite surfaces facing each other for holding the attaching portion between the pair of opposite surfaces and a protrusion provided on one of the pair of opposite surfaces, and at least a part of the protrusion is configured to be elastically deformed by the attaching portion in a state in which the attaching portion is held between the pair of opposite surfaces.
    • 本发明提供一种塑料发泡体,其具有安装在具有径向方向的杆状安装部的安装对象物上,该塑料发泡体具有保持部,该保持部在与安装对象物附着的状态下沿径向保持安装部 所述保持部包括一对面对面,用于将所述安装部保持在所述一对相对面之间,设置在所述一对相对面之一上,并且所述突起的至少一部分构成为弹性地 在安装部保持在一对相对面之间的状态下,通过安装部变形。
    • 5. 发明授权
    • Protection member for coupling device
    • 联轴器保护构件
    • US08690240B2
    • 2014-04-08
    • US13388356
    • 2010-08-05
    • Shinji TakakuraTakeharu NakanoTakehiro Togami
    • Shinji TakakuraTakeharu NakanoTakehiro Togami
    • A47C31/02
    • B60N2/5825B60N2/5816B60N2/70
    • An object is to provide a coupling device protection member that can prevent contact between a cushion material and a coupling device to protect the coupling device. A coupling device protection member is used in a vehicle seat that includes a cushion material that is elastically deformed by loads, a frame member that is stacked to the cushion material to reinforce the cushion material, and a surface cover that covers at least the cushion material, the surface cover being coupled to the frame member via a coupling device, in which the coupling device protection member is attached to the frame material so as to protect the coupling device coupled to the frame member.
    • 目的是提供一种联接装置保护构件,其能够防止缓冲材料和联接装置之间的接触以保护联接装置。 一种联接装置保护构件用于车辆座椅,其包括由负载弹性变形的缓冲材料,叠置在衬垫材料上以加强衬垫材料的框架构件以及至少覆盖缓冲材料的表面罩 所述表面盖通过联接装置联接到所述框架构件,其中所述联接装置保护构件附接到所述框架材料,以便保护联接到所述框架构件的联接装置。
    • 7. 发明授权
    • Seek control apparatus and method for generating control data for seek control
    • 寻求用于产生寻道控制的控制数据的控制装置和方法
    • US07957090B2
    • 2011-06-07
    • US12257076
    • 2008-10-23
    • Yoshiyuki IshiharaShinji Takakura
    • Yoshiyuki IshiharaShinji Takakura
    • G11B5/55
    • G11B5/5547
    • There is provided a method for generating acceleration data used in feed-forward control of head seeking, wherein, a seek distance and one of a seek period and the count of samples are received; a weighting factor for the change rate of acceleration between adjacent sample times is determined respectively; and an optimum acceleration at each sample time is obtained by performing an optimization calculation that minimizes an objective function under a constraint condition based on variables representing accelerations at each sample time, either the seek period or the count of samples, and the seek distance.
    • 提供了一种用于生成用于头部寻找的前馈控制中使用的加速度数据的方法,其中,寻道距离和寻道周期中的一个以及样本计数被接收; 分别确定相邻采样时间之间的加速度变化率的权重因子; 并且通过执行最优化计算来获得每个采样时间的最佳加速度,所述优化计算使得在约束条件下使目标函数最小化,所述约束条件基于在每个采样时间,即寻找周期或采样计数以及寻找距离的表示加速度的变量。
    • 10. 发明授权
    • Method for identifying high-speed frequency response of multirate system and apparatus therefor
    • 识别多速率系统及其装置的高速频率响应的方法
    • US09093114B2
    • 2015-07-28
    • US13418460
    • 2012-03-13
    • Yoshiyuki IshiharaShinji Takakura
    • Yoshiyuki IshiharaShinji Takakura
    • G11B20/00G11B20/10G11B5/55
    • G11B20/10009G11B5/5521
    • There is provided with a method of identifying a frequency response of a controlled object at a sampling period of control input in a multiplexed-input multirate system in which a sampling period of control output is even “P” multiples of the sampling period of control input wherein the control object is represented by FIR filter, an M-series signal corresponding to an acquisition data length Mp×P−1 is generated, the Mp indicates a period of the M-series signal, an impulse response value of the controlled object is estimated based on the M-series signal and output data outputted from the controlled object by inputting the M-series signal thereto, and the frequency response of the controlled object is identified by performing a discrete Fourier transform on the impulse response value.
    • 提供了一种在多路复用输入多速率系统中的控制输入的采样周期识别受控对象的频率响应的方法,其中控制输出的采样周期是控制输入的采样周期的偶数“P”倍数 其中,控制对象由FIR滤波器表示,产生与采集数据长度Mp×P-1对应的M序列信号,Mp表示M序列信号的周期,受控对象的脉冲响应值为 基于通过向其输入M系列信号而从受控对象输出的M系列信号和输出数据估计出的,并且通过对脉冲响应值执行离散付里叶变换来识别受控对象的频率响应。