公开(公告)号：US20150066467A1

公开(公告)日：2015-03-05

申请号：US14017634

申请日：2013-09-04

Applicant: International Business Machines Corporation

Inventor： Emrah Acar ,  Moyra K. McManus ,  Sani R. Nassif ,  Matthew J. Sullivan

IPC: G06F17/50

CPC classification number: G06F17/5036 ,  G06F17/5045

Abstract: A system, method and computer program product for sorting Integrated Circuits (chips), particularly microprocessor chips, and particularly that predicts chip performance or power for sorting purposes. The system and method described herein uses a combination of performance-predicting parameters that are measured early in the process, and applies a unique method to project where the part, e.g., microprocessor IC, will eventually be sorted. Sorting includes classifying the IC product to a subset of a family of products with the product satisfying certain performance characteristics or specifications, in the early stages of manufacturing, e.g., before the end product is fully fabricated.

Abstract translation: 用于分类集成电路（芯片），特别是微处理器芯片的系统，方法和计算机程序产品，特别是预测芯片性能或功率用于分拣目的。 本文描述的系统和方法使用在该过程中早期测量的性能预测参数的组合，并且应用唯一的方法来投影最终将分类诸如微处理器IC的部分。 排序包括将IC产品分类为产品系列的子集，产品在制造的早期阶段，例如在最终产品完全制造之前，满足某些性能特征或规格。

公开(公告)号：US20140100804A1

公开(公告)日：2014-04-10

申请号：US13648441

申请日：2012-10-10

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： Wael R. El-Essawy ,  Alexandre P. Ferreira ,  Thomas W. Keller, JR. ,  Sani R. Nassif ,  Karthick Rajamani ,  Juan C. Rubio

IPC: G06F17/18

CPC classification number: G06Q10/00 ,  G01R21/00 ,  G06F1/00 ,  G06F1/26

Abstract: A mechanism is provided for statistical determination of power circuit connectivity based on signal detection in a circuit. Signal data from the circuit gathered and a determination is made as to whether a signal of interest is present in the gathered signal data from the circuit using a statistical analysis of the gathered signal data. The statistical analysis comprises using a mean current value and statistical deviation of the current value of the signal data over a predetermined period of time to compute a confidence range. The confidence range is compared to a first threshold and a second threshold. A determination is made that the signal is present in response to the confidence range being above the first threshold. A determination is made that the signal is not present in response to the confidence range being below the second threshold.

Abstract translation: 提供了一种用于基于电路中的信号检测来统计确定电力电路连接性的机制。 收集来自电路的信号数据，并且使用所收集的信号数据的统计分析来确定来自电路的所收集的信号数据中是否存在感兴趣的信号。 统计分析包括在预定时间段内使用平均电流值和信号数据的当前值的统计偏差来计算置信区间。 将置信区间与第一阈值和第二阈值进行比较。 确定响应于高于第一阈值的置信区间存在信号。 响应于置信范围低于第二阈值，确定该信号不存在。

公开(公告)号：US20130241529A1

公开(公告)日：2013-09-19

申请号：US13890838

申请日：2013-05-09

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： Wael El-Essawy ,  Alexandre Peixoto Ferreira ,  Thomas Walter Keller ,  Sani R. Nassif

IPC: G01R35/04

CPC classification number: G01R35/04 ,  G01R15/207 ,  G01R35/02

Abstract: Calibration of a non-contact current sensor provides improved accuracy for measuring current conducted through a conductor such as an AC branch circuit wire. In a calibration mode, a predetermined DC current is injected through a conductor integrated in the non-contact current sensor. The magnitude of the magnetic field is measured using a sensing element of the non-contact current sensor. Then, when operating in measurement mode, a current conducted in a wire passing through the non-contact current sensor is determined by correcting the output of the non-contact current sensor using the result of the measurement made in the calibration mode.

Abstract translation: 非接触式电流传感器的校准提高了测量通过诸如AC分支电路线的导体传导的电流的精度。 在校准模式中，通过集成在非接触电流传感器中的导体注入预定直流电流。 使用非接触电流传感器的感测元件测量磁场的大小。 然后，当在测量模式下操作时，通过使用在校准模式中进行的测量结果校正非接触电流传感器的输出来确定通过非接触电流传感器的导线中传导的电流。

公开(公告)号：US20140215274A1

公开(公告)日：2014-07-31

申请号：US14242418

申请日：2014-04-01

Applicant: International Business Machines Corporation

Inventor： Rajiv V. Joshi ,  Rouwaida N. Kanj ,  Sani R. Nassif ,  Carl J. Radens

IPC: G06F11/00

CPC classification number: G06F11/076 ,  G06F11/008 ,  G06F11/079 ,  G06F17/5009 ,  G06F17/5022 ,  G06F2217/10

Abstract: A mechanism is provided for reusing importance sampling for efficient cell failure rate estimation of process variations and other design considerations. First, the mechanism performs a search across circuit parameters to determine failures with respect to a set of performance variables. For a single failure region, the initial search may be a uniform sampling of the parameter space. Mixture importance sampling (MIS) efficiently may estimate the single failure region. The mechanism then finds a center of gravity for each metric and finds importance samples. Then, for each new origin corresponding to a process variation or other design consideration, the mechanism finds a suitable projection and recomputes new importance sampling (IS) ratios.

Abstract translation: 提供了一种用于重用采样的机制，用于有效地进行细胞故障率估计过程变化和其他设计考虑。 首先，该机制对电路参数进行搜索，以确定相对于一组性能变量的故障。 对于单个故障区域，初始搜索可以是参数空间的均匀采样。 混合重要性抽样（MIS）有效地估计单个故障区域。 然后，该机制找到每个度量的重心，并发现重要性样本。 然后，对于对应于过程变化或其他设计考虑的每个新的原点，机制找到合适的投影并重新计算新的重要性抽样（IS）比率。

公开(公告)号：US08742748B2

公开(公告)日：2014-06-03

申请号：US13890838

申请日：2013-05-09

Applicant: International Business Machines Corporation

Inventor： Wael El-Essawy ,  Alexandre Peixoto Ferreira ,  Thomas Walter Keller ,  Sani R. Nassif

IPC: G01R11/32

CPC classification number: G01R35/04 ,  G01R15/207 ,  G01R35/02

Abstract: Calibration of a non-contact current sensor provides improved accuracy for measuring current conducted through a conductor such as an AC branch circuit wire. In a calibration mode, a predetermined DC current is injected through a conductor integrated in the non-contact current sensor. The magnitude of the magnetic field is measured using a sensing element of the non-contact current sensor. Then, when operating in measurement mode, a current conducted in a wire passing through the non-contact current sensor is determined by correcting the output of the non-contact current sensor using the result of the measurement made in the calibration mode.

Abstract translation: 非接触式电流传感器的校准提高了测量通过诸如AC分支电路线的导体传导的电流的精度。 在校准模式中，通过集成在非接触电流传感器中的导体注入预定直流电流。 使用非接触电流传感器的感测元件测量磁场的大小。 然后，当在测量模式下操作时，通过使用在校准模式中进行的测量结果校正非接触电流传感器的输出来确定通过非接触电流传感器的导线中传导的电流。

公开(公告)号：US10737114B2

公开(公告)日：2020-08-11

申请号：US15370885

申请日：2016-12-06

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： Anne E. Gattiker ,  Sani R. Nassif ,  Tom Osiecki ,  Chin Ngai Sze

IPC: A61F5/10 ,  A61N5/10

Abstract: A method and system are provided for converting clinical criteria constraints for a target structure of radiation therapy into a second set of constraints. The method includes selecting, by a hardware processor, a plurality of clusters of voxels in the target structure based on pre-specified criteria. The method further includes assigning, by the hardware processor, each of the plurality of clusters of voxels a respective constraint that specifies one or more bounds on a radiation dose applied to each voxel in a corresponding one of the plurality of clusters of voxels. The method also includes storing, in a memory device, the respective constraint for each of the plurality of clusters of voxels.

公开(公告)号：US20160266950A1

公开(公告)日：2016-09-15

申请号：US15161462

申请日：2016-05-23

Applicant: International Business Machines Corporation

Inventor： Rajiv V. Joshi ,  Rouwaida N. Kanj ,  Sani R. Nassif ,  Carl J. Radens

IPC: G06F11/07

CPC classification number: G06F11/076 ,  G06F11/008 ,  G06F11/079 ,  G06F17/5009 ,  G06F17/5022 ,  G06F2217/10

Abstract: A mechanism is provided for reusing importance sampling for efficient cell failure rate estimation of process variations and other design considerations. First, the mechanism performs a search across circuit parameters to determine failures with respect to a set of performance variables. For a single failure region, the initial search may be a uniform sampling of the parameter space. Mixture importance sampling (MIS) efficiently may estimate the single failure region. The mechanism then finds a center of gravity for each metric and finds importance samples. Then, for each new origin corresponding to a process variation or other design consideration, the mechanism finds a suitable projection and recomputes new importance sampling (IS) ratios.

Abstract translation: 提供了一种用于重用采样的机制，用于有效地进行细胞故障率估计过程变化和其他设计考虑。 首先，该机制对电路参数进行搜索，以确定相对于一组性能变量的故障。 对于单个故障区域，初始搜索可以是参数空间的均匀采样。 混合重要性抽样（MIS）有效地估计单个故障区域。 然后，该机制找到每个度量的重心，并发现重要性样本。 然后，对于对应于过程变化或其他设计考虑的每个新的原点，机制找到合适的投影并重新计算新的重要性抽样（IS）比率。

公开(公告)号：US09135577B2

公开(公告)日：2015-09-15

申请号：US13648441

申请日：2012-10-10

Applicant: International Business Machines Corporation

Inventor： Wael R. El-Essawy ,  Alexandre P. Ferreira ,  Thomas W. Keller, Jr. ,  Sani R. Nassif ,  Karthick Rajamani ,  Juan C. Rubio

IPC: G06F19/00 ,  G06Q10/00 ,  G06F1/00

CPC classification number: G06Q10/00 ,  G01R21/00 ,  G06F1/00 ,  G06F1/26

Abstract: A mechanism is provided for statistical determination of power circuit connectivity based on signal detection in a circuit. Signal data from the circuit gathered and a determination is made as to whether a signal of interest is present in the gathered signal data from the circuit using a statistical analysis of the gathered signal data. The statistical analysis comprises using a mean current value and statistical deviation of the current value of the signal data over a predetermined period of time to compute a confidence range. The confidence range is compared to a first threshold and a second threshold. A determination is made that the signal is present in response to the confidence range being above the first threshold. A determination is made that the signal is not present in response to the confidence range being below the second threshold.

Abstract translation: 提供了一种用于基于电路中的信号检测来统计确定电力电路连接性的机制。 收集来自电路的信号数据，并且使用所收集的信号数据的统计分析来确定来自电路的所收集的信号数据中是否存在感兴趣的信号。 统计分析包括在预定时间段内使用平均电流值和信号数据的当前值的统计偏差来计算置信区间。 将置信区间与第一阈值和第二阈值进行比较。 确定响应于高于第一阈值的置信区间存在信号。 响应于置信范围低于第二阈值，确定该信号不存在。