公开(公告)号：US20180260726A1

公开(公告)日：2018-09-13

申请号：US15692796

申请日：2017-08-31

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Masaaki TAKADA ,  Takeichiro NISHIKAWA

IPC: G06N7/00 ,  G06F17/18

CPC classification number: G06N7/005 ,  G06F17/18 ,  G06K9/6232

Abstract: An analysis apparatus includes a regression model constructor and a similar feature extractor. A regression model constructor is configured to construct a regression model that represents a target variable with a plurality of explanatory variables that correspond to any one of a plurality of features and with a regression coefficient of the plurality of explanatory variables by performing regression analysis using analysis target data including the plurality of features with one of the plurality of features as the target variable. A similar feature extractor is configured to calculate a similarity degree between a feature other than the feature that corresponds to the target variable in the analysis target data and the plurality of explanatory variables, and each of the plurality of explanatory variables, and configured to extract a similar feature having the similarity degree higher than a predetermined value.

公开(公告)号：US20170047086A1

公开(公告)日：2017-02-16

申请号：US15230796

申请日：2016-08-08

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Takashi USUI ,  Toshiaki OHGUSHI ,  Takeichiro NISHIKAWA

IPC: G11B5/40

CPC classification number: G11B5/40 ,  G11B19/041

Abstract: According to one embodiment, a failure prognosis device includes circuitry configured to determine whether a sign of failure exists in a head, based on a signal quality value and a floating quantity of the head, the signal quality value being based on an error between a reproducing signal acquired from the head when reading data stored on a storage surface of a disk and a predetermined target signal, and output a determination result.

Abstract translation: 根据一个实施例，故障预测设备包括被配置为基于头部的信号质量值和浮动量确定头部中是否存在符号的信号的电路，信号质量值基于再现之间的误差 当读取存储在盘的存储表面上的数据和预定目标信号时从头读取信号，并输出确定结果。

公开(公告)号：US20170038990A1

公开(公告)日：2017-02-09

申请号：US15226386

申请日：2016-08-02

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Toshiaki OHGUSHI ,  Takashi USUI ,  Takeichiro NISHIKAWA

IPC: G06F3/06 ,  G06F11/07

CPC classification number: G06F3/0631 ,  G06F3/0604 ,  G06F3/0619 ,  G06F3/0653 ,  G06F3/067 ,  G06F11/008

Abstract: According to an embodiment of the present invention, a storage management apparatus to manage a plurality of storage combinations which are combinations of storages included in a storage group, includes a combination failure probability calculator and an allocation ratio calculator. The combination failure probability calculator calculates a failure probability of the storage combination based on a failure probability of each of the storages. The allocation ratio calculator calculates an allocation ratio of received data with respect to the storage combination based on the failure probability of the storage combination.

Abstract translation: 根据本发明的一个实施例，一种用于管理作为存储组中包括的存储器的组合的多个存储组合的存储管理装置，包括组合故障概率计算器和分配比率计算器。 组合故障概率计算器基于每个存储器的故障概率来计算存储组合的故障概率。 分配比率计算器基于存储组合的故障概率来计算接收数据相对于存储组合的分配比率。

公开(公告)号：US20150269120A1

公开(公告)日：2015-09-24

申请号：US14659922

申请日：2015-03-17

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Minoru NAKATSUGAWA ,  Takeichiro NISHIKAWA

IPC: G06F17/10 ,  G06F17/50

CPC classification number: G06F17/5009 ,  G06F11/008 ,  G06K9/00 ,  G11B27/11 ,  G11B27/36

Abstract: In a model parameter calculation device, the comparator compares a first evaluation value calculated from a first model and operating data on a terminal device with a second evaluation value calculated from a second model and the operating data. The requester transmits an inspection request to inspect the terminal device to the terminal device or a management device thereof in accordance with a comparative relation between the first evaluation value and the second evaluation value. The parameter determiner determines a third parameter included in a third model in accordance with a model reference of a predefined model type, on basis of an inspection result indicating an operating status of the terminal device and the operating data of the terminal device, wherein the third model associates the third parameter with a third output variable regarding the occurrence possibility of the failure in the terminal device.

Abstract translation: 在模型参数计算装置中，比较器将从第一模型计算出的第一评估值与终端装置上的运算数据与从第二模型计算出的第二评估值和运算数据进行比较。 请求者根据第一评估值和第二评估值之间的比较关系向终端设备或其管理设备发送检查终端设备的检查请求。 基于指示终端设备的操作状态的检查结果和终端设备的操作数据，参数确定器根据预定模型类型的模型参考来确定包括在第三模型中的第三参数，其中第三 模型将第三参数与关于终端设备故障发生的可能性的第三输出变量相关联。