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    Reduced energy consumption using active vibration control
    1.
    发明授权
    Reduced energy consumption using active vibration control 有权
    使用主动振动控制降低能耗

    公开(公告)号：US08139467B2

    公开(公告)日：2012-03-20

    申请号：US12469023

    申请日：2009-05-20

    申请人： Kenny C. Gross ,  Kalyanaraman Vaidyanathan ,  Aleksey M. Urmanov

    发明人： Kenny C. Gross ,  Kalyanaraman Vaidyanathan ,  Aleksey M. Urmanov

    IPC分类号： G11B17/00

    CPC分类号： G11B33/144 ,  G11B19/042 ,  G11B33/08

    摘要： Embodiments of a computer system that includes a vibration-cancelling mode, and a related method and computer-program product (e.g., software) for use with the computer system, are described. During operation, a processor monitors operations in the computer system, and may select either the vibration-cancelling mode or an inactive mode based on the monitored operations. For example, the processor may select the vibration-cancelling mode when there are input/output-(I/O) intensive workloads to an array of one or more hard disk drives (HDDs) in the computer system. In this way, the processor may reduce the energy consumption associated with vibration-induced retries to the HDDs (and reduced I/O throughput) without increasing the energy consumption associated with active vibration damping at other times, such as when the computer system is idle or during processor-intensive workloads.

    摘要翻译： 描述了包括振动消除模式的计算机系统的实施例，以及与计算机系统一起使用的相关方法和计算机程序产品（例如，软件）。 在操作期间，处理器监视计算机系统中的操作，并且可以基于所监视的操作来选择振动消除模式或不活动模式。 例如，当计算机系统中的一个或多个硬盘驱动器（HDD）的阵列存在输入/输出（I / O）密集型工作负载时，处理器可以选择振动消除模式。 以这种方式，处理器可以减少与振动引起的对HDD的重试相关的能量消耗（和降低的I / O吞吐量），而不会增加与其他时间的主动减振相关联的能量消耗，例如当计算机系统空闲时 或在处理器密集型工作负载期间。

    Selectively mitigating multiple vibration sources in a computer system
    2.
    发明授权
    Selectively mitigating multiple vibration sources in a computer system 有权
    选择性地减轻计算机系统中的多个振动源

    公开(公告)号：US07761244B2

    公开(公告)日：2010-07-20

    申请号：US11852059

    申请日：2007-09-07

    申请人： Kenny C. Gross ,  Aleksey M. Urmanov ,  Kalyanaraman Vaidyanathan

    发明人： Kenny C. Gross ,  Aleksey M. Urmanov ,  Kalyanaraman Vaidyanathan

    IPC分类号： G06F19/00 ,  G11B5/00

    CPC分类号： G11B33/08

    摘要： One embodiment of the present invention provides a system that mitigates the effects of multiple vibration sources on a set of hard disk drives (HDDs) within a computer system. During operation, the system identifies a target HDD in the set of HDDs, wherein the performance of the target HDD is affected by mechanical vibrations. The system also identifies one or more primary vibration sources from the multiple vibration sources that affect the performance of the target HDD. Next, for each of the primary vibration sources, the system measures a first time-domain signal associated with the operation of the primary vibration source using a first vibration transducer associated with the primary vibration source. The system also measures a second time-domain signal associated with the target HDD using a second vibration transducer associated with the target HDD. Next, for each of the primary vibration sources, the system then computes a cross-power-spectral-density (CPSD) between the first and the second time-domain signals. The system then selectively mitigates the primary vibration sources based on the CPSDs between the primary vibration sources and the target HDD.

    摘要翻译： 本发明的一个实施例提供一种减轻多个振动源对计算机系统内的一组硬盘驱动器（HDD）的影响的系统。 在操作期间，系统识别该组HDD中的目标HDD，其中目标HDD的性能受到机械振动的影响。 该系统还识别影响目标HDD性能的多个振动源的一个或多个主要振动源。 接下来，对于每个主振动源，系统使用与主振动源相关联的第一振动换能器来测量与主振动源的操作相关联的第一时域信号。 该系统还使用与目标HDD相关联的第二振动传感器来测量与目标HDD相关联的第二时域信号。 接下来，对于每个主振动源，系统然后计算第一和第二时域信号之间的交叉功率谱密度（CPSD）。 然后，该系统基于主振动源和目标HDD之间的CPSD选择性地减轻主振动源。

    SELECTIVELY MITIGATING MULTIPLE VIBRATION SOURCES IN A COMPUTER SYSTEM
    3.
    发明申请
    SELECTIVELY MITIGATING MULTIPLE VIBRATION SOURCES IN A COMPUTER SYSTEM 有权
    在计算机系统中选择性地减轻多个振动源

    公开(公告)号：US20090067080A1

    公开(公告)日：2009-03-12

    申请号：US11852059

    申请日：2007-09-07

    申请人： Kenny C. Gross ,  Aleksey M. Urmanov ,  Kalyanaraman Vaidyanathan

    发明人： Kenny C. Gross ,  Aleksey M. Urmanov ,  Kalyanaraman Vaidyanathan

    IPC分类号： G11B15/18

    CPC分类号： G11B33/08

    摘要： One embodiment of the present invention provides a system that mitigates the effects of multiple vibration sources on a set of hard disk drives (HDDs) within a computer system. During operation, the system identifies a target HDD in the set of HDDs, wherein the performance of the target HDD is affected by mechanical vibrations. The system also identifies one or more primary vibration sources from the multiple vibration sources that affect the performance of the target HDD. Next, for each of the primary vibration sources, the system measures a first time-domain signal associated with the operation of the primary vibration source using a first vibration transducer associated with the primary vibration source. The system also measures a second time-domain signal associated with the target HDD using a second vibration transducer associated with the target HDD. Next, for each of the primary vibration sources, the system then computes a cross-power-spectral-density (CPSD) between the first and the second time-domain signals. The system then selectively mitigates the primary vibration sources based on the CPSDs between the primary vibration sources and the target HDD.

    摘要翻译： 本发明的一个实施例提供一种减轻多个振动源对计算机系统内的一组硬盘驱动器（HDD）的影响的系统。 在操作期间，系统识别该组HDD中的目标HDD，其中目标HDD的性能受到机械振动的影响。 该系统还识别影响目标HDD性能的多个振动源的一个或多个主要振动源。 接下来，对于每个主振动源，系统使用与主振动源相关联的第一振动换能器来测量与主振动源的操作相关联的第一时域信号。 该系统还使用与目标HDD相关联的第二振动传感器来测量与目标HDD相关联的第二时域信号。 接下来，对于每个主振动源，系统然后计算第一和第二时域信号之间的交叉功率谱密度（CPSD）。 然后，该系统基于主振动源和目标HDD之间的CPSD选择性地减轻主振动源。

    Controlling a device that generates vibrations in a computer system
    4.
    发明授权
    Controlling a device that generates vibrations in a computer system 有权
    控制在计算机系统中产生振动的设备

    公开(公告)号：US08504209B2

    公开(公告)日：2013-08-06

    申请号：US12220952

    申请日：2008-07-29

    申请人： Kenny C. Gross ,  Aleksey M. Urmanov ,  Kalyanaraman Vaidyanathan

    发明人： Kenny C. Gross ,  Aleksey M. Urmanov ,  Kalyanaraman Vaidyanathan

    IPC分类号： G05B15/00 ,  G01N29/12

    CPC分类号： G01N29/12 ,  G01N29/4427

    摘要： Some embodiments of the present invention provide a system that controls a device that generates vibrations in a computer system. During operation, a critical vibration frequency is determined for the computer system. Next, a keep-out zone is generated based on the critical vibration frequency, wherein the keep-out zone specifies a range of frequencies to be avoided. Then, the device is controlled based on the keep-out zone to reduce vibrations generated by the device in the keep-out zone.

    摘要翻译： 本发明的一些实施例提供一种控制在计算机系统中产生振动的装置的系统。 在运行期间，确定计算机系统的临界振动频率。 接下来，基于临界振动频率产生保持区域，其中保持区域指定要避免的频率范围。 然后，基于保持区域来控制设备，以减少设备在保持区域中产生的振动。

    SYSTEM AND METHOD FOR DETERMINING VIBRATION OF AT LEAST ONE HARD DISK DRIVE
    5.
    发明申请
    SYSTEM AND METHOD FOR DETERMINING VIBRATION OF AT LEAST ONE HARD DISK DRIVE 有权
    用于确定最小一个硬盘驱动器的振动的系统和方法

    公开(公告)号：US20100328798A1

    公开(公告)日：2010-12-30

    申请号：US12491646

    申请日：2009-06-25

    申请人： Kalyanaraman Vaidyanathan ,  Kenny C. Gross ,  Aleksey M. Urmanov

    发明人： Kalyanaraman Vaidyanathan ,  Kenny C. Gross ,  Aleksey M. Urmanov

    IPC分类号： G11B27/36

    CPC分类号： G11B27/36 ,  G11B5/5582 ,  G11B2220/2516

    摘要： A system for determining vibration of at least one hard disk drive includes one or more computers configured to command a plurality of reads from the at least one hard disk drive such that, for each of the plurality of reads, data stored on the at least one hard disk drive is retrieved directly from the at least one hard disk drive. The one or more computers are also configured to obtain read rate information related to the plurality of reads and to determine a vibration level experienced by the at least one hard disk drive based on the read rate information.

    摘要翻译： 用于确定至少一个硬盘驱动器的振动的系统包括配置成从至少一个硬盘驱动器命令多个读取的一个或多个计算机，使得对于多个读取中的每一个，存储在至少一个硬盘驱动器上的数据 直接从至少一个硬盘驱动器检索硬盘驱动器。 一个或多个计算机还被配置为获得与多个读取相关的读取速率信息，并且基于读取速率信息确定至少一个硬盘驱动器所经历的振动水平。

    Method and apparatus for high-sensitivity detection of anomalous signals in systems with low-resolution sensors
    7.
    发明授权
    Method and apparatus for high-sensitivity detection of anomalous signals in systems with low-resolution sensors 有权
    用于低分辨率传感器系统中高灵敏度检测异常信号的方法和装置

    公开(公告)号：US07167812B1

    公开(公告)日：2007-01-23

    申请号：US10903160

    申请日：2004-07-29

    申请人： Aleksey M. Urmanov ,  Kalyanaraman Vaidyanathan ,  Kenny C. Gross

    发明人： Aleksey M. Urmanov ,  Kalyanaraman Vaidyanathan ,  Kenny C. Gross

    IPC分类号： H04N1/60

    CPC分类号： G06F11/3082 ,  G06F11/0754 ,  G06F11/3089

    摘要： A system that facilitates high-sensitivity detection of anomalous signals in systems with low-resolution sensors. During system operation, a low-resolution sensor monitors a signal within the system. The system periodically polls the low-resolution sensor in a burst mode to obtain a plurality of measurements of the signal within a specified short time interval, wherein the measurements are spread across multiple quantizing bins. The system then determines a mean value for the plurality of measurements. The system repeats the steps of polling the low-resolution sensor and determining the mean value to create a time-series of mean values. This time-series of mean values is subsequently analyzed to determine whether the signal is anomalous.

    摘要翻译： 一种能够在低分辨率传感器系统中高灵敏度检测异常信号的系统。 在系统运行期间，低分辨率传感器监测系统内的信号。 系统以突发模式定期轮询低分辨率传感器，以在特定的短时间间隔内获得信号的多个测量，其中测量分布在多个量化箱上。 系统然后确定多个测量的平均值。 该系统重复轮询低分辨率传感器并确定平均值以创建平均值的时间序列的步骤。 随后分析该时间序列的平均值以确定信号是否是异常的。

    DYNAMIC REGULATION OF TEMPERATURE CHANGES USING TELEMETRY DATA ANALYSIS
    8.
    发明申请
    DYNAMIC REGULATION OF TEMPERATURE CHANGES USING TELEMETRY DATA ANALYSIS 审中-公开
    使用电视数据分析进行温度变化的动态调节

    公开(公告)号：US20130090889A1

    公开(公告)日：2013-04-11

    申请号：US13253888

    申请日：2011-10-05

    申请人： Kalyanaraman Vaidyanathan ,  Kenny C. Gross ,  Aleksey M. Urmanov ,  David K. McElfresh

    发明人： Kalyanaraman Vaidyanathan ,  Kenny C. Gross ,  Aleksey M. Urmanov ,  David K. McElfresh

    IPC分类号： G01K17/00

    CPC分类号： G01K1/024 ,  G01K3/10 ,  G06F1/206

    摘要： The disclosed embodiments provide a system that analyzes telemetry data from a computer system. During operation, the system obtains the telemetry data as a set of telemetric signals using a set of sensors in the computer system. Next, the system uses a regularization technique to calculate a temperature derivative with respect to time for a component in the computer system from the telemetric signals. Finally, the system controls a subsequent value of the temperature derivative with respect to time by modulating a fan speed in the computer system based on the calculated temperature derivative with respect to time and the telemetric signals.

    摘要翻译： 所公开的实施例提供了一种从计算机系统分析遥测数据的系统。 在操作期间，系统使用计算机系统中的一组传感器获得遥测数据作为一组遥测信号。 接下来，系统使用正则化技术从遥测信号计算计算机系统中的组件相对于时间的温度导数。 最后，系统基于相对于时间的计算的温度导数和遥测信号，通过调制计算机系统中的风扇速度来控制相对于时间的温度导数的后续值。

    REDUCED ENERGY CONSUMPTION USING ACTIVE VIBRATION CONTROL
    10.
    发明申请
    REDUCED ENERGY CONSUMPTION USING ACTIVE VIBRATION CONTROL 有权
    使用主动振动控制降低能源消耗

    公开(公告)号：US20100296383A1

    公开(公告)日：2010-11-25

    申请号：US12469023

    申请日：2009-05-20

    申请人： Kenny C. Gross ,  Kalyanaraman Vaidyanathan ,  Aleksey M. Urmanov

    发明人： Kenny C. Gross ,  Kalyanaraman Vaidyanathan ,  Aleksey M. Urmanov

    IPC分类号： G11B17/00

    CPC分类号： G11B33/144 ,  G11B19/042 ,  G11B33/08

    摘要： Embodiments of a computer system that includes a vibration-cancelling mode, and a related method and computer-program product (e.g., software) for use with the computer system, are described. During operation, a processor monitors operations in the computer system, and may select either the vibration-cancelling mode or an inactive mode based on the monitored operations. For example, the processor may select the vibration-cancelling mode when there are input/output-(I/O) intensive workloads to an array of one or more hard disk drives (HDDs) in the computer system. In this way, the processor may reduce the energy consumption associated with vibration-induced retries to the HDDs (and reduced I/O throughput) without increasing the energy consumption associated with active vibration damping at other times, such as when the computer system is idle or during processor-intensive workloads.

    摘要翻译： 描述了包括振动消除模式的计算机系统的实施例，以及与计算机系统一起使用的相关方法和计算机程序产品（例如，软件）。 在操作期间，处理器监视计算机系统中的操作，并且可以基于所监视的操作来选择振动消除模式或不活动模式。 例如，当计算机系统中的一个或多个硬盘驱动器（HDD）的阵列存在输入/输出（I / O）密集型工作负载时，处理器可以选择振动消除模式。 以这种方式，处理器可以减少与振动引起的对HDD的重试相关的能量消耗（和降低的I / O吞吐量），而不会增加与其他时间的主动减振相关联的能量消耗，例如当计算机系统空闲时 或在处理器密集型工作负载期间。