公开(公告)号：US10175302B2

公开(公告)日：2019-01-08

申请号：US15586062

申请日：2017-05-03

Applicant: University of Electronic Science and Technology of China

Inventor： Qishui Zhong ,  Baihua Li ,  Hui Li ,  Yuqing Zhao

IPC: G06F17/50 ,  G01R31/36

Abstract: Disclosed is a power system including a battery pack and a battery management system, the battery management system including a controller and a storage unit storing one or more executable programs executable to achieve battery functions.

公开(公告)号：US20160054265A1

公开(公告)日：2016-02-25

申请号：US14932973

申请日：2015-11-05

Applicant: University of Electronic Science and Technology of China

Inventor： Qishui Zhong ,  Hui Li ,  dajin Chen ,  Baihua Li

IPC: G01N27/62 ,  H03K7/08 ,  H03K17/691

CPC classification number: G01N27/624 ,  H03K7/08 ,  H03K17/102 ,  H03K17/691

Abstract: An environment detecting apparatus employing an asymmetric waveform pulse generator is disclosed. The asymmetric waveform pulse generator comprises a metal oxide semiconductor field effect transistor (MOSFET) bridge circuit that comprises a plurality of MOSFETs for inverting high voltage DC voltage to asymmetric waveform pulses, a pulse-width modulating (PWM) circuit for generating PWM signals, and a plurality of isolation driving circuits corresponding to the plurality of MOSFETs, for controlling switching on/off of the plurality of MOSFETs in the MOSFET bridge circuit based on the PWM signals generated by the PWM circuit. Wherein each of the isolation driving circuits comprises an isolation transformer for isolating the MOSFET bridge circuit from the PWM circuit.

Abstract translation: 公开了一种采用非对称波形脉冲发生器的环境检测装置。 非对称波形脉冲发生器包括金属氧化物半导体场效应晶体管（MOSFET）桥接电路，其包括用于将高压DC电压转换为非对称波形脉冲的多个MOSFET，用于产生PWM信号的脉宽调制（PWM）电路，以及 对应于多个MOSFET的多个隔离驱动电路，用于基于由PWM电路产生的PWM信号来控制MOSFET桥式电路中的多个MOSFET的导通/截止。 其中每个隔离驱动电路包括用于将MOSFET桥接电路与PWM电路隔离的隔离变压器。

公开(公告)号：US09568451B2

公开(公告)日：2017-02-14

申请号：US14932973

申请日：2015-11-05

Applicant: University of Electronic Science and Technology of China

Inventor： Qishui Zhong ,  Hui Li ,  dajin Chen ,  Baihua Li

IPC: H03K7/08 ,  H03K17/691 ,  G01N27/62 ,  H03K17/10

CPC classification number: G01N27/624 ,  H03K7/08 ,  H03K17/102 ,  H03K17/691

Abstract: An environment detecting apparatus employing an asymmetric waveform pulse generator is disclosed. The asymmetric waveform pulse generator comprises a metal oxide semiconductor field effect transistor (MOSFET) bridge circuit that comprises a plurality of MOSFETs for inverting high voltage DC voltage to asymmetric waveform pulses, a pulse-width modulating (PWM) circuit for generating PWM signals, and a plurality of isolation driving circuits corresponding to the plurality of MOSFETs, for controlling switching on/off of the plurality of MOSFETs in the MOSFET bridge circuit based on the PWM signals generated by the PWM circuit. Wherein each of the isolation driving circuits comprises an isolation transformer for isolating the MOSFET bridge circuit from the PWM circuit.

Abstract translation: 公开了一种采用非对称波形脉冲发生器的环境检测装置。 非对称波形脉冲发生器包括金属氧化物半导体场效应晶体管（MOSFET）桥接电路，其包括用于将高压DC电压转换为非对称波形脉冲的多个MOSFET，用于产生PWM信号的脉宽调制（PWM）电路，以及 对应于多个MOSFET的多个隔离驱动电路，用于基于由PWM电路产生的PWM信号来控制MOSFET桥式电路中的多个MOSFET的导通/截止。 其中每个隔离驱动电路包括用于将MOSFET桥接电路与PWM电路隔离的隔离变压器。

公开(公告)号：US09709635B2

公开(公告)日：2017-07-18

申请号：US14192867

申请日：2014-02-27

Applicant: University of Electronic Science and Technology of China

Inventor： Qishui Zhong ,  Baihua Li ,  Hui Li ,  Yuqing Zhao

IPC: G06F17/50 ,  G01R31/36

CPC classification number: G01R31/3651 ,  G01R31/3606 ,  G01R31/361 ,  G01R31/362 ,  G01R31/3675

Abstract: The present invention provides a SOC estimation method applied to a battery system comprising a battery pack. The SOC estimation method comprises the steps of: determining an initial SOC value; determining whether the battery pack is in a working status; measuring the voltage and current of the battery pack if the battery pack is in the working status; calculating a current SOC value by using an ampere-hour method based on the initial SOC value and the measured voltage and current; determining dynamic characteristic parameters of the battery pack; and optimizing the current SOC value by using extended Kalman filter (EKF) method and based on the dynamic characteristic parameters of the battery pack.

公开(公告)号：US09207208B2

公开(公告)日：2015-12-08

申请号：US14473793

申请日：2014-08-29

Applicant: University of Electronic Science and Technology of China

Inventor： Qishui Zhong ,  Hui Li ,  Dajin Chen ,  Baihua Li

IPC: H03K17/10 ,  G01N27/62 ,  H03K17/691

CPC classification number: G01N27/624 ,  H03K7/08 ,  H03K17/102 ,  H03K17/691

Abstract: An asymmetric waveform pulse generator comprises a metallic oxide semiconductor field effect transistor (MOSFET) bridge circuit, which includes a plurality of MOSFETs for inverting high voltage DC voltage to asymmetric waveform pulses. The asymmetric waveform pulse generator further comprises a pulse-width modulating (PWM) circuit for generating PWM signals, and a plurality of isolation driving circuits corresponding to the plurality of MOSFETs, for controlling switching on/off of the plurality of MOSFETs in the MOSFET bridge circuit based on the PWM signals generated by the PWM circuit. Each of the isolation driving circuits comprises an isolation transformer for isolating the MOSFET bridge circuit from the PWM circuit. A FAIMS ion detector employing the asymmetric waveform pulse generator is also disclosed.

Abstract translation: 非对称波形脉冲发生器包括金属氧化物半导体场效应晶体管（MOSFET）桥接电路，其包括用于将高压DC电压转换为非对称波形脉冲的多个MOSFET。 非对称波形脉冲发生器还包括用于产生PWM信号的脉冲宽度调制（PWM）电路和对应于多个MOSFET的多个隔离驱动电路，用于控制MOSFET桥中的多个MOSFET的导通/截止 基于由PWM电路产生的PWM信号的电路。 每个隔离驱动电路包括用于将MOSFET桥接电路与PWM电路隔离的隔离变压器。 还公开了采用非对称波形脉冲发生器的FAIMS离子检测器。

公开(公告)号：US20140367563A1

公开(公告)日：2014-12-18

申请号：US14473793

申请日：2014-08-29

Applicant: University of Electronic Science and Technology of China

Inventor： Qishui Zhong ,  Hui Li ,  Dajin Chen ,  Baihua Li

IPC: G01N27/62 ,  H02M7/5395 ,  H02M1/32 ,  H01J49/02

CPC classification number: G01N27/624 ,  H03K7/08 ,  H03K17/102 ,  H03K17/691

Abstract: An asymmetric waveform pulse generator comprises a metallic oxide semiconductor field effect transistor (MOSFET) bridge circuit, which includes a plurality of MOSFETs for inverting high voltage DC voltage to asymmetric waveform pulses. The asymmetric waveform pulse generator further comprises a pulse-width modulating (PWM) circuit for generating PWM signals, and a plurality of isolation driving circuits corresponding to the plurality of MOSFETs, for controlling switching on/off of the plurality of MOSFETs in the MOSFET bridge circuit based on the PWM signals generated by the PWM circuit. Each of the isolation driving circuits comprises an isolation transformer for isolating the MOSFET bridge circuit from the PWM circuit. A FAIMS ion detector employing the asymmetric waveform pulse generator is also disclosed.

Abstract translation: 非对称波形脉冲发生器包括金属氧化物半导体场效应晶体管（MOSFET）桥接电路，其包括用于将高压DC电压转换为非对称波形脉冲的多个MOSFET。 非对称波形脉冲发生器还包括用于产生PWM信号的脉冲宽度调制（PWM）电路和对应于多个MOSFET的多个隔离驱动电路，用于控制MOSFET桥中的多个MOSFET的导通/截止 基于由PWM电路产生的PWM信号的电路。 每个隔离驱动电路包括用于将MOSFET桥接电路与PWM电路隔离的隔离变压器。 还公开了采用非对称波形脉冲发生器的FAIMS离子检测器。

公开(公告)号：US20140316728A1

公开(公告)日：2014-10-23

申请号：US14192867

申请日：2014-02-27

Applicant: University of Electronic Science and Technology of China

Inventor： Qishui Zhong ,  Baihua Li ,  Hui Li ,  Yuqing Zhao

IPC: G01R31/36

CPC classification number: G01R31/3651 ,  G01R31/3606 ,  G01R31/361 ,  G01R31/362 ,  G01R31/3675

Abstract: The present invention provides a SOC estimation method applied to a battery system comprising a battery pack. The SOC estimation method comprises the steps of: determining an initial SOC value; determining whether the battery pack is in a working status; measuring the voltage and current of the battery pack if the battery pack is in the working status; calculating a current SOC value by using an ampere-hour method based on the initial SOC value and the measured voltage and current; determining dynamic characteristic parameters of the battery pack; and optimizing the current SOC value by using extended Kalman filter (EKF) method and based on the dynamic characteristic parameters of the battery pack.

Abstract translation: 本发明提供一种应用于包括电池组的电池系统的SOC估计方法。 所述SOC估计方法包括以下步骤：确定初始SOC值; 确定电池组是否处于工作状态; 如果电池组处于工作状态，测量电池组的电压和电流; 通过使用基于初始SOC值和测量的电压和电流的安培小时方法来计算当前SOC值; 确定电池组的动态特性参数; 并通过使用扩展卡尔曼滤波（EKF）方法和基于电池组的动态特性参数来优化当前SOC值。