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    • 4. 发明申请
    • PARALLEL COMPUTER SYSTEM AND PROGRAM
    • 并行计算机系统和程序
    • US20120254881A1
    • 2012-10-04
    • US13437523
    • 2012-04-02
    • Masaki HAMAMOTOTetsuya YAMADAAtsushi TOMODAAtsushi MIYAMOTO
    • Masaki HAMAMOTOTetsuya YAMADAAtsushi TOMODAAtsushi MIYAMOTO
    • G06F9/46
    • G06F9/522G06F9/4887
    • There is provided a parallel computer system for performing barrier synchronization using a master node and a plurality of worker nodes based on the time to allow for an adaptive setting of the synchronization time. When a task process in a certain worker node has not been completed by a worker determination time, the particular worker node performs a communication to indicate that the process has not been completed, to a master node. When the communication has been received by a master determination time, the master node performs a communication to indicate that the process time is extended by a correction process time, in order to adjust and extend the synchronization time. In this way, it is possible to reduce the synchronization overhead associated with the execution of an application with a relatively large variation in the process time from a synchronization point to the next synchronization point.
    • 提供了一种并行计算机系统,用于基于时间来执行使用主节点和多个工作节点的屏障同步,以允许同步时间的自适应设置。 当特定工作者节点的任务处理尚未由工作人员确定时间完成时,特定工作者节点执行通信以指示该进程尚未完成到主节点。 当通过主机确定时间接收到通信时,主节点执行通信以指示处理时间延长了校正处理时间,以便调整和扩展同步时间。 以这种方式,可以减少与从同步点到下一个同步点的处理时间相对较大变化的应用执行相关联的同步开销。
    • 5. 发明申请
    • Video Encoder and Data Processing Method
    • 视频编码器和数据处理方法
    • US20110110424A1
    • 2011-05-12
    • US12944282
    • 2010-11-11
    • Nobuhiro ChiharaMasatoshi KondoMuneaki YamaguchiMasaki HamamotoTakanobu Tsunoda
    • Nobuhiro ChiharaMasatoshi KondoMuneaki YamaguchiMasaki HamamotoTakanobu Tsunoda
    • H04N7/32
    • H04N19/132H04N19/164H04N19/61
    • A video encoder for evaluating a prediction error by using a prediction technique include: an image encoding section which encodes a prediction image; and an encoding control device which selects any one of a plurality of prediction modes in prediction used by the image encoding section. The image encoding section performs clipping of higher-order bits of the prediction error input to the encoding control device and reduction of lower-order bits thereof for each of the prediction modes to control prediction mode selection, thus reducing the prediction error bit width to a predetermined bit width. The encoding control device sets to the image encoding section the number of higher-order bits to be clipped and the number of lower-order bits to be reduced. The predetermined bit width of the prediction error after bit width reduction is matched with the bus width used for prediction error transmission by the encoding control device and the image encoding section.Thus, the prediction error bit width can be reduced without degrading the prediction error accuracy so much.
    • 用于通过使用预测技术来评估预测误差的视频编码器包括:编码预测图像的图像编码部分; 以及编码控制装置,其选择由图像编码部使用的预测中的多个预测模式中的任一个。 图像编码部分对编码控制装置输入的预测误差的高位比特进行削波,并且针对每个预测模式减少其低阶比特以控制预测模式选择,从而将预测误差比特宽度减小到 预定位宽。 编码控制装置将图像编码部分设定为待裁剪的高位比特数和要降低的低位比特数。 比特宽度缩减后的预测误差的预定比特宽度与由编码控制装置和图像编码部分用于预测误差发送的总线宽度相匹配。 因此,可以降低预测误差位宽,而不会使预测误差精度降低很多。
    • 6. 发明申请
    • ULTRASONIC MOTOR AND ULTRASONIC VIBRATOR
    • 超声波电机和超声波振动器
    • US20090256445A1
    • 2009-10-15
    • US12418258
    • 2009-04-03
    • Teruhisa KotaniMasaki Hamamoto
    • Teruhisa KotaniMasaki Hamamoto
    • H02N2/12
    • H02N2/103H02N2/003H02N2/004
    • An ultrasonic motor includes a driven object, a piezoelectric element for driving the driven object, a vibration plate including a notch having an inner peripheral surface of an arc-shaped form having a central angle larger than 180 degrees and being vibrated by the piezoelectric element, and a contact portion made of a material different from that of the vibration plate, having a portion overlapping the piezoelectric element in a plan view and being smaller in thickness than the piezoelectric element, attached to the notch of the vibration plate by press fitting or forced fitting and being in contact with the driven object. Thereby, the ultrasonic motor can have a high shock resistance and a high wear resistance, and can be driven with high efficiency.
    • 超声波电动机包括被驱动体,用于驱动被驱动体的压电元件,振动板,其具有具有中心角度大于180度并被压电元件振动的弧形形状的内周面的凹口, 以及由与振动板不同的材料制成的接触部分,其具有与压电元件重叠的部分,并且厚度小于压电元件,该压电元件通过压配或强制安装在振动板的凹口上 装配并与被驱动物接触。 因此,超声波电动机可以具有高抗冲击性和高耐磨性,并且可以高效率地驱动。
    • 7. 发明授权
    • Rising and moving apparatus and manufacturing method thereof
    • 上升移动装置及其制造方法
    • US07219855B2
    • 2007-05-22
    • US10618301
    • 2003-07-11
    • Masaki HamamotoYoshiji OhtaKeita Hara
    • Masaki HamamotoYoshiji OhtaKeita Hara
    • B64C33/02
    • B64C33/02
    • A fluid-structure interactive analysis is performed while n types of wing structure models are caused to flap in accordance with a prescribed model of flapping manner. Based on an analysis, data 1, data 2, . . . data n of physical values related to fluid behavior and physical values related to structural behavior are calculated. Among data 1, data 2, . . . data n, a data having a prescribed parameter such as the lift force optimized is extracted. A prototype of a wing portion is formed, which has such a structure that is specified by various parameter values of the numerical model of wing structure corresponding to the extracted data. A driving unit 905 drives the prototype of the wing portion in a manner of flapping that is represented by the flapping motion model equivalent to the manner of flapping of an insect. At this time, the wing has a stiffness that is suitable for flapping flight so that prescribed parameters come to have optimal values.
    • 进行流体结构交互分析,同时根据规定的拍打模式使n种类型的翼结构模型进行折翼。 基于分析,数据1,数据2,。 。 。 计算与流体行为和与结构行为相关的物理值相关的物理值的数据n。 在数据1中,数据2,。 。 。 数据n,提取具有规定参数的数据,例如优化的提升力。 形成翼部的原型,其具有由对应于提取的数据的机翼结构的数值模型的各种参数值指定的结构。 驾驶单元905以与扑灭昆虫的方式等效的扑动运动模型所表示的扑动方式驱动机翼部分的原型。 此时,机翼具有适合拍打飞行的刚度,使规定的参数达到最佳值。