公开(公告)号：US5777866A

公开(公告)日：1998-07-07

申请号：US789125

申请日：1997-01-27

Applicant: Mark Elliott Jacobs ,  Yimin Jiang ,  Vijayin Joseph Thottuvelil ,  Rui Liu

Inventor： Mark Elliott Jacobs ,  Yimin Jiang ,  Vijayin Joseph Thottuvelil ,  Rui Liu

IPC: H02M1/00 ,  H02M1/42 ,  H02M1/44 ,  H02M7/06 ,  G05F1/652 ,  H02M5/42

CPC classification number: H02M1/44 ,  H02M1/4225 ,  Y02B70/126

Abstract: A power factor correction system with an EMI line filter at the input includes circuitry to sense the capacitor current of the EMI filter to improve the accuracy of the power factor enhancement. The circuitry consists of a current sensing means connected after the EMI filter, and a voltage sensing capacitor which derives its input signal from a pair of diodes separate from the conventional 4-diode rectifier bridge, which are connected either before or after the EMI filter. The current-sensing means, which may be a resistor, and the voltage-sensing capacitor are tightly coupled to the current control loop of the power factor correction system to compensate for the current in the EMI filter capacitors.

Abstract translation: 在输入端具有EMI线路滤波器的功率因数校正系统包括检测EMI滤波器的电容电流以提高功率因数增强精度的电路。 该电路包括连接在EMI滤波器之后的电流检测装置，以及一个电压感测电容器，它从与传统的四极管整流桥分开的一对二极管得到其输入信号，这些二极管在EMI滤波器之前或之后连接。 电流感测装置（其可以是电阻器）和电压感测电容器紧密耦合到功率因数校正系统的电流控制环路，以补偿EMI滤波电容器中的电流。

公开(公告)号：US5598326A

公开(公告)日：1997-01-28

申请号：US591042

申请日：1996-01-25

Applicant: Rui Liu ,  Wen-Jian Gu

Inventor： Rui Liu ,  Wen-Jian Gu

IPC: H05B41/282 ,  H02M1/00 ,  H02M1/42 ,  H02M5/458 ,  H05B41/28 ,  H02J3/00

CPC classification number: H02M1/4241 ,  H02M5/458 ,  H05B41/28 ,  Y02B70/126

Abstract: A high frequency AC/AC converter apparatus with power factor correction includes an AC/DC converter circuit part to provide power factor correction and a DC/AC inverter circuit part to produce a high frequency AC signal for operation of a load, for example, a discharge lamp. The AC/DC converter circuit part includes a diode and an inductor. The converter apparatus utilizes first and second semiconductor controlled switching devices, one of which is common to each part of the overall converter apparatus. A single control circuit controls both parts of the converter apparatus by controlling the switching of the first and second semiconductor switching devices. There are two possible control techniques, constant duty ratio control or duty ratio sweeping control. A voltage clamp circuit inhibits undesired oscillation of the diode voltage.

Abstract translation: 具有功率因数校正的高频AC / AC转换器装置包括用于提供功率因数校正的AC / DC转换器电路部分和DC / AC逆变器电路部分，以产生用于操作负载的高频AC信号，例如， 放电灯 AC / DC转换器电路部分包括二极管和电感器。 转换器装置利用第一和第二半导体控制的开关装置，其中之一是整个转换器装置的每个部分是共同的。 单个控制电路通过控制第一和第二半导体开关器件的切换来控制转换器装置的两个部分。 有两种可能的控制技术，恒功率比控制或占空比扫描控制。 电压钳位电路抑制二极管电压的不期望的振荡。

公开(公告)号：US5371440A

公开(公告)日：1994-12-06

申请号：US174076

申请日：1993-12-28

Applicant: Rui Liu ,  Wen-Jian Gu

Inventor： Rui Liu ,  Wen-Jian Gu

IPC: H05B41/24 ,  H05B41/282 ,  H05B37/02

CPC classification number: H05B41/24 ,  H05B41/282 ,  H05B41/2828 ,  Y02B20/183 ,  Y10S315/05

Abstract: A miniature electronic ballast with low radio frequency interference (RFI) for operating a discharge lamp by amplitude modulation and two frequency operation. A high frequency operating voltage (approximately 1-2 MHz) is generated and is amplitude modulated at a relatively lower frequency (approximately 20-50 KHz). This operating voltage is demodulated to suppress the high frequency carrier voltage (1-2 MHz) and the low frequency modulating signal (20-50 KHz) itself is applied to the discharge lamp to energize same. The use of the high frequency operating voltage makes it possible to reduce the size of the magnetic components in the electronic ballast, whereas the low frequency voltage actually applied to the discharge lamp avoids problems of RFI that otherwise would occur if the high frequency carrier voltage itself was applied to the discharge lamp.

Abstract translation: 一种具有低射频干扰（RFI）的微型电子镇流器，用于通过幅度调制和两次频率操作来操作放电灯。 产生高频工作电压（大约1-2MHz），并以相对较低的频率（大约20-50KHz）进行幅度调制。 该工作电压被解调以抑制高频载波电压（1-2MHz），并且低频调制信号（20-50KHz）本身被施加到放电灯以对其通电。 使用高频工作电压使得可以减小电子镇流器中的磁性部件的尺寸，而实际施加到放电灯的低频电压避免了RFI的问题，否则如果高频载波电压本身 被施加到放电灯。

公开(公告)号：US20230305187A1

公开(公告)日：2023-09-28

申请号：US18041497

申请日：2021-07-13

Applicant: Pei Chen ,  Rui Liu ,  Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences

Inventor： Luonan Chen ,  Pei Chen ,  Rui Liu

IPC: G01W1/02

CPC classification number: G01W1/02

Abstract: The invention discloses a multi-step prediction method and system of future wind speed based on automatic reservoir neural network, realizes accurate and fast multi-step prediction of future information, maintains high robustness to noise and system time-varying, and avoids over-fitting problems. The technical scheme is: for short-term high-dimensional wind speed data, based on the delay embedding theory, the observed high-dimensional dynamics is used as the reservoir by using space-time information transformation, and the high-dimensional wind speed data is mapped to the future information of the target variable. The automatic reservoir neural network realizes the multi-step prediction of the target variable by solving a pair of conjugate space-time information interaction equations.

公开(公告)号：US20220346980A1

公开(公告)日：2022-11-03

申请号：US17409832

申请日：2021-08-24

Applicant: Dafei Zu ,  Rui Liu ,  Rui Huang ,  Zixiang Wang

Inventor： Dafei Zu ,  Rui Liu ,  Rui Huang ,  Zixiang Wang

IPC: A61F2/70 ,  A61F2/66

Abstract: The present invention provides a mechanical prosthetic limb, which relates to the technical field of medical devices. The mechanical prosthetic limb includes a prosthetic limb shank, a fixed component for connecting the prosthetic limb shank with a human body, a power-driven first drive mechanism that is installed on the prosthetic limb shank, and a prosthetic limb sole that is connected to the bottom of the prosthetic limb shank; the fixed component is rotationally connected with the prosthetic limb shank through the first drive mechanism; and the prosthetic limb shank is rotationally connected with the prosthetic limb sole through the first drive mechanism. It can relieve the burdens of the disabled in the automatic advance way, thereby improving convenience.

公开(公告)号：US10699778B2

公开(公告)日：2020-06-30

申请号：US15961220

申请日：2018-04-24

Applicant: Shimeng Yu ,  Rui Liu

Inventor： Shimeng Yu ,  Rui Liu

IPC: G11C11/419 ,  G11C11/54 ,  G11C11/418 ,  G11C11/412 ,  H03K19/20 ,  G06N3/08 ,  G06N3/063 ,  G06N3/04 ,  H01L27/11 ,  G11C7/10

Abstract: A static random access memory (SRAM) bit cell and a related SRAM array are provided. In one aspect, an SRAM cell is configured to perform an XNOR function on a first input value and a second input value. In another aspect, a number of the SRAM cells can be employed to form an SRAM array for supporting deep neural network and machine learning applications. The SRAM cell is coupled to a word line(s) and an inverted word line(s) that collectively define the first input value. The SRAM cell causes a voltage and/or current difference between a bit line(s) and a complementary bit line(s) coupled to the SRAM cell. By customizing the SRAM cell to enable the XNOR function and forming a binary neural network based on the SRAM array, it is possible to effectively implement computing-in-memory (CIM) for deep neural network and machine learning applications.

公开(公告)号：US20150278433A1

公开(公告)日：2015-10-01

申请号：US14430724

申请日：2013-02-12

Applicant: Kazuyuki AIHARA ,  Luonan CHEN ,  Rui LIU ,  Zhiping LIU ,  Meiyi LI ,  Japan Science and Technology Agency

Inventor： Kazuyuki Aihara ,  Luonan Chen ,  Rui Liu ,  Zhiping Liu ,  Meiyi Li

IPC: G06F19/18 ,  G06F19/22

CPC classification number: G16B20/00 ,  G16B30/00 ,  G16B40/00

Abstract: The present invention provides a device, method, and program for detection of a biomarker candidate that may be used in a diagnosis of a pre-disease state indicating a transition from a healthy state to a disease state. Biological samples are collected from a subject to be measured at different times. Statistical data is obtained by aggregating measurement data obtained in measurement on collected biological samples. Thereafter, a process of obtaining high-throughput data (s1), a process of choosing differential biological molecules (s2), a process of clustering (s3), a process of choosing a DNB candidate (s4), and a process of identifying a DNB by significance analysis (s5) are carried out.

Abstract translation: 本发明提供了用于检测可用于诊断疾病状态的生物标志物候选物的装置，方法和程序，其指示从健康状态向疾病状态的转变。 从不同时间测量的受试者收集生物样品。 通过聚集在收集的生物样品上测量中获得的测量数据获得统计数据。 此后，获得高通量数据（s1），选择差分生物分子的过程（s2），聚类过程（s3），选择DNB候选的过程（s4）的过程以及识别 通过显着性分析（s5）进行DNB。

公开(公告)号：US20060246340A1

公开(公告)日：2006-11-02

申请号：US11412726

申请日：2006-04-26

Applicant: Riqing Zhang ,  Rui Liu ,  Junqing Dong

Inventor： Riqing Zhang ,  Rui Liu ,  Junqing Dong

IPC: H01M8/02 ,  H01M8/10 ,  H01M2/08 ,  H01M4/96

CPC classification number: H01M8/0273 ,  H01M8/0234 ,  H01M8/0276 ,  H01M8/0284 ,  H01M8/242 ,  H01M2008/1095

Abstract: A sealed proton-exchange membrane fuel cell unit of this invention comprises an MEA component, a sealing unit, and current collectors for the positive and negative electrodes. The current collectors press the MEA components from each side. The MEA components comprise a proton-exchange membrane, a sealing unit, and the positive and negative electrodes attached to each side of the membrane. A sealing unit cover the edges of the proton-exchange membrane. First positioning units are located on each side of said sealing unit facing the respective current collectors of the negative and positive electrodes. At the corresponding locations on the current collectors of the negative and positive electrodes there are second positioning units. The first and second positioning units correspondingly match each other. First positioning units can be convex in shape on the surface of the sealing units. The second positioning units can be sealing grooves formed by cutting on the surface of the current collectors facing the MEA component. By matching the locations of the first and second positioning units, the negative and positive current collectors are not likely to slide against each other. Thus the cell is more tightly sealed, achieving better air-tightness.

Abstract translation: 本发明的密封质子交换膜燃料电池单元包括MEA部件，密封单元和用于正极和负极的集电器。 目前的收藏家从各方按MEA组件。 MEA组分包括质子交换膜，密封单元，以及连接到膜的每一侧的正极和负极。 密封单元覆盖质子交换膜的边缘。 第一定位单元位于所述密封单元的面对负电极和正电极的相应集电器的每一侧上。 在负电极和正电极的集电器上的相应位置处存在第二定位单元。 第一和第二定位单元相应地彼此匹配。 第一定位单元可以在密封单元的表面上呈凸形。 第二定位单元可以是通过在面向MEA部件的集电器的表面上切割形成的密封槽。 通过匹配第一和第二定位单元的位置，负极和正极集电器不可能彼此滑动。 因此，电池更密封，实现更好的气密性。

公开(公告)号：US06188586B1

公开(公告)日：2001-02-13

申请号：US09553824

申请日：2000-04-21

Applicant: Richard Farrington ,  Mark E. Jacobs ,  Rui Liu ,  Vijayan J. Thottuvelil

Inventor： Richard Farrington ,  Mark E. Jacobs ,  Rui Liu ,  Vijayan J. Thottuvelil

IPC: H02M3335

CPC classification number: H02M3/337 ,  H02M1/15

Abstract: An asymmetrical half-bridge power converter and a method of manufacturing the same. In one embodiment, the asymmetrical half-bridge power converter includes: (1) first and second power switches configured to be controlled by complementary drive signals having nominal first and second duty cycles of D and 1-D, respectively and (2) first and second capacitors, having intrinsic capacitance values proportional to 1-D and D, respectively, and intrinsic equivalent series resistance (ESR) values proportional to D and 1-D, respectively, configured to reduce input ripple current associated with the asymmetrical half-bridge power converter.

Abstract translation: 不对称半桥功率转换器及其制造方法。 在一个实施例中，非对称半桥功率转换器包括：（1）第一和第二功率开关，其被配置为由分别具有D和1-D的标称第一和第二占空比的互补驱动信号控制，以及（2）第一和 分别具有与1-D和D成比例的固有电容值的第二电容器和分别与D和1-D成比例的本征等效串联电阻（ESR）值，其被配置为减少与不对称半桥功率相关联的输入纹波电流 转换器。

公开(公告)号：US6104584A

公开(公告)日：2000-08-15

申请号：US250938

申请日：1999-02-18

Applicant: Rui Liu

Inventor： Rui Liu

IPC: H02H9/00 ,  H02H7/00

CPC classification number: H02H9/001 ,  Y10S323/908

Abstract: The present invention provides a protection circuit for, and method of, sensing a transient condition and limiting a current, and a power supply having a filter incorporating the protection circuit or method. In one embodiment, the protection circuit includes: (1) a current-limiting component coupled between the filter and a return node, (2) a bypass switch coupled across the current-limiting component, (3) a load-current return switch series-coupled between an output of the power supply and the return node and (4) a control circuit that senses a transient condition in the power supply and controls at least one of the bypass switch and the load-current return switch.

Abstract translation: 本发明提供了一种用于感测瞬态条件和限制电流的保护电路及其方法，以及具有包含保护电路或方法的滤波器的电源。 在一个实施例中，保护电路包括：（1）耦合在滤波器和返回节点之间的限流部件，（2）跨越限流部件耦合的旁路开关，（3）负载电流返回开关系列 - 耦合在电源的输出和返回节点之间，以及（4）感测电源中的瞬态状态并控制旁路开关和负载电流返回开关中的至少一个的控制电路。