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    • 3. 发明申请
    • Displacement Leaf Spring and Artificial Intervertebral Disc Containing the Same
    • 位移叶片弹簧和包含它的人造椎间盘
    • US20110071636A1
    • 2011-03-24
    • US12628133
    • 2009-11-30
    • Yang-Hwei TsuangCheng-Kung ChengHung-Wen WeiChang-Jung ChiangWen-Chuan ChenYueh-Feng ChiangWei-Cheng Wang
    • Yang-Hwei TsuangCheng-Kung ChengHung-Wen WeiChang-Jung ChiangWen-Chuan ChenYueh-Feng ChiangWei-Cheng Wang
    • A61F2/44
    • A61F2/4425A61F2002/30387A61F2002/30505A61F2002/30604A61F2002/3065A61F2002/30654A61F2002/30879A61F2002/30883
    • A displacement leaf spring and an artificial intervertebral disc containing the same, particularly about the artificial intervertebral disc using the displacement leaf spring to cushion axial compression, wherein the artificial intervertebral disc includes a displacement leaf spring and the displacement leaf spring further includes an upper plate, an inclined plate, and a lower plate. The upper plate has a first breach, and the inclined plate has a first connecting side which connects to one side of the first breach. There is an angle between the inclined plate and the upper plate. The inclined plate has a second breach, and the lower plate has a second connecting side which connects to one side of the second breach. There is an angle between the lower plate and the inclined plate, and the lower plate parallels the upper plate. The artificial intervertebral disc equipped with the displacement leaf spring further comprises a top plate, a bottom plate, a core structure, and a socket structure. The top and bottom plate connect to the bottom of the upper vertebral body and the top of the lower vertebral body respectively. The form of the core structure fits in the socket structure. The core structure and the socket structure are installed between the top and bottom plate to make the artificial intervertebral disc have a wide range of activity angle and capability to cushion the axial compression.
    • 位移板簧和包含其的人造椎间盘,特别是关于使用位移板簧缓冲轴向压缩的人造椎间盘,其中人造椎间盘包括位移板簧,并且位移板簧还包括上板, 倾斜板和下板。 上板具有第一突出部,并且倾斜板具有连接到第一突出部的一侧的第一连接侧。 倾斜板和上板之间有一个角度。 倾斜板具有第二突破,下板具有连接到第二突破的一侧的第二连接侧。 下板与倾斜板之间有一角度,下板与上板平行。 配备有位移板簧的人造椎间盘还包括顶板,底板,芯结构和插座结构。 顶板和底板分别连接到上椎体的底部和下椎体的顶部。 核心结构的形式适合插座结构。 核心结构和插座结构安装在顶板和底板之间,使得人造椎间盘具有宽范围的活动角度和缓冲轴向压缩的能力。
    • 7. 发明授权
    • Motion control servo loop apparatus
    • 运动控制伺服回路装置
    • US08090455B2
    • 2012-01-03
    • US12466912
    • 2009-05-15
    • Ying-Min ChenWen-Chuan ChenJing-Yi HuangCheng-Xue WuChia-Ching LinWan-Kai Shen
    • Ying-Min ChenWen-Chuan ChenJing-Yi HuangCheng-Xue WuChia-Ching LinWan-Kai Shen
    • G06F19/00
    • G05B11/42G05B2219/41199G05B2219/41434
    • A motion control servo loop apparatus, comprising: a feed-forward control module, and a proportional-integral-derivative (PID) control loop and a compensation adder. The feed-forward control module is capable of generating a feed-forward compensation. The PID control loop further comprises: a proportional control module, an integral control module and a derivative control module. The proportional control module is capable of generating a proportional compensation. The derivative control module is capable of generating a derivative compensation. The integral control module uses a digital differential analyzer (DDA) algorithm to perform integration for accumulated errors with respect to each sampling clock at each DDA pulse and thus output an accumulated error, which is then processed to generate an integral compensation. Thereafter, the compensation adder receives the feed-forward compensation, the proportional compensation, the integral compensation and the derivative compensation to calculate a position error compensation for a motor driver.
    • 一种运动控制伺服环路装置,包括:前馈控制模块和比例积分微分(PID)控制回路和补偿加法器。 前馈控制模块能够产生前馈补偿。 PID控制回路还包括:比例控制模块,积分控制模块和微分控制模块。 比例控制模块能够产生比例补偿。 微分控制模块能够产生微分补偿。 积分控制模块使用数字差分分析器(DDA)算法对每个DDA脉冲处的每个采样时钟执行累积误差的积分,从而输出累积误差,然后对其进行处理以产生积分补偿。 此后,补偿加法器接收前馈补偿,比例补偿,积分补偿和微分补偿,以计算电机驱动器的位置误差补偿。