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    • 5. 发明授权
    • Method for estimating state-of-charge of lithium ion battery
    • 锂离子电池的充电状态估计方法
    • US09121909B2
    • 2015-09-01
    • US13695414
    • 2011-03-14
    • Fei LiuXusong RuanFeng Wen
    • Fei LiuXusong RuanFeng Wen
    • G01N27/416G01R31/36
    • G01R31/361G01R31/3624
    • The invention relates to the technical field of lithium-ion batteries, in particular to a method for estimating the state of charge of a lithium-ion battery. The method includes: charging a lithium-ion battery, recording multiple groups of ampere-hour integral values, and states of charge and voltage values corresponding to the ampere-hour integral values; taking the maximum value in the multiple groups of ampere-hour integral values as the first ampere-hour integral value, the state of charge corresponding to the first ampere-hour integral value as the first state of charge, and the voltage value corresponding to the first ampere-hour integral value as the first voltage value; monitoring the lithium-ion battery in real time, recording a real-time second ampere-hour integral value and a second voltage value, obtaining a second state of charge by an ampere-hour measuring method; and if the second voltage value is consistent with the first voltage value and the second state of charge is inconsistent with the first state of charge, replacing the second state of charge with the first state of charge. The invention increases the reliable evidence for judging the online equalization of the battery pack and most importantly avoids the situation where the state of charge of the battery can be corrected only on condition that the battery pack works at the extreme state of charge, and lowers the influences of the full charge and discharge on the lifetime of the battery.
    • 本发明涉及锂离子电池的技术领域,特别涉及一种用于估计锂离子电池的充电状态的方法。 该方法包括:对锂离子电池充电,记录多组安培小时积分值,以及对应于安培小时积分值的充电状态和电压值; 将多组安培小时积分值中的最大值作为第一安培小时积分值,对应于作为第一充电状态的第一安培小时积分值的充电状态和对应于 第一安培小时积分值作为第一电压值; 实时监控锂离子电池,记录实时第二安培小时积分值和第二电压值,通过安培小时测量方法获得第二充电状态; 并且如果所述第二电压值与所述第一电压值一致并且所述第二充电状态与所述第一充电状态不一致,则用所述第一充电状态代替所述第二充电状态。 本发明增加了用于判断电池组的在线均衡的可靠证据,最重要的是避免了仅在电池组工作在极端充电状态的情况下可以仅修正电池的充电状态的情况,并且降低 充电和放电对电池寿命的影响。
    • 7. 发明申请
    • ANOMALY DETECTION, FORECASTING AND ROOT CAUSE ANALYSIS OF ENERGY CONSUMPTION FOR A PORTFOLIO OF BUILDINGS USING MULTI-STEP STATISTICAL MODELING
    • 异常检测,预测和根本原因分析使用多步统计建模的建筑物组合能源消耗
    • US20120278051A1
    • 2012-11-01
    • US13098044
    • 2011-04-29
    • Huijing JiangYoung Min LeeFei Liu
    • Huijing JiangYoung Min LeeFei Liu
    • G06F17/10G06F19/00G01R19/00
    • G06Q10/04G06Q50/06
    • Multi-step statistical modeling in one embodiment of the present disclosure enables anomaly detection, forecasting and/or root cause analysis of the energy consumption for a portfolio of buildings using multi-step statistical modeling. In one aspect, energy consumption data associated with a building, building characteristic data associated with the building, building operation and activities data associated with the building, and weather data are used to generate a variable based degree model. A base load factor, a heating coefficient and a cooling coefficient associated with the building and an error term are determined from the variable based degree model and used to generate a plurality of multivariate regression models. A time series model is generated for the error term to model seasonal factors which reflect monthly dependence on energy use and an auto-regressive integrated moving average model (ARIMA) which reflects temporal dependent patterns of the energy use.
    • 在本公开的一个实施例中的多步统计建模使得能够使用多步统计建模对建筑物组合的能量消耗进行异常检测,预测和/或根本原因分析。 一方面,使用与建筑物相关联的能量消耗数据,构建与建筑物相关联的特征数据,建筑物操作和与建筑物相关联的活动数据以及天气数据来生成基于变量的度模型。 从基于变量的度模型确定基础负荷因子,与建筑物相关联的加热系数和冷却系数以及误差项,并用于产生多个多元回归模型。 为误差项生成时间序列模型,以模拟每月依赖能源使用的季节因素和反映能量使用的时间依赖模式的自回归积分移动平均模型(ARIMA)。
    • 9. 发明授权
    • Quickly assembled universal serial bus (USB) connector
    • 快速组装通用串行总线(USB)连接器
    • US08047877B1
    • 2011-11-01
    • US12880055
    • 2010-09-10
    • Fei LiuOu YangHong-Tu ZhangPing-Chih ChenMing-Chiang Chen
    • Fei LiuOu YangHong-Tu ZhangPing-Chih ChenMing-Chiang Chen
    • H01R24/00H01R33/00
    • H01R13/506H01R13/4367H01R13/652H01R24/60H01R2107/00
    • A USB (Universal Serial Bus) connector includes an insulating body which has a base portion, an inserting portion, and a pair of clipping walls and defines a receiving space therebetween. A plurality of signal terminals is assembled to the insulating body. Each of the signal terminals has a connecting arm disposed in the inserting portion and a signal contacting arm hanging out of the receiving space. A fixing body is mounted in the receiving space and clipped between the clipping walls. The signal contacting arms are restrained under the fixing body and further stretching behind the fixing body. A ground terminal has a fixing slice fixed in the fixing body, a resilient arm stretching out of the fixing body to be located above the inserting portion and a ground contacting arm restrained under the fixing body and further stretched behind the fixing body to be aligned with the signal contacting arms.
    • USB(通用串行总线)连接器包括绝缘体,其具有基部,插入部分和一对夹持壁,并且限定了它们之间的接收空间。 多个信号端子组装到绝缘体上。 每个信号端子具有设置在插入部分中的连接臂和从接收空间悬挂的信号接触臂。 固定体安装在容纳空间中并夹在夹壁之间。 信号接触臂被限制在固定体的下方并进一步在固定体的后面拉伸。 接地端子具有固定在固定体上的固定片,弹性臂伸出固定体以位于插入部分的上方,并且接地臂限制在固定体的下方,并进一步在固定体的后方延伸以与固定体对准 信号接触臂。