Battery SoC estimation device
    1.
    发明授权
    Battery SoC estimation device 有权
    电池SoC估计装置

    公开(公告)号:US09329240B2

    公开(公告)日:2016-05-03

    申请号:US13978240

    申请日:2011-12-01

    摘要: A battery SoC estimation device includes a discharge-and charge current detection means 1, a terminal-voltage detection means 2, a current-integration SoC estimation means 3, an open-circuit-voltage SoC estimation means 4, an error estimation means 6, and an SoC calculating means 7. The estimation means 3 estimates a current-integration-method SoC (SoCi), calculating variance of current-integration-method SoC based on information on detection accuracy of the detection means 1. The estimation means 4 estimates an open-circuit-voltage-method SoC (SoCv) corresponding to an open circuit voltage value estimated based on a discharge-and-charge current value and a terminal voltage value, using a battery equivalent circuit model. The estimation means 6 estimates an estimate error ni of the current-integration-method SoC based on a difference between the SoCv and the SoCi, variance of the SoCi, and variance of the SoCv. The calculating means 7 calculates SoC of a battery based on the SoCi and the ni.

    摘要翻译: 电池SoC估计装置包括放电和充电电流检测装置1,端子电压检测装置2,电流积分SoC估计装置3,开路电压SoC估计装置4,误差估计装置6, 和SoC计算装置7.估计装置3基于检测装置1的检测精度的信息来估计电流积分法SoC(SoCi),计算电流积分法SoC的方差。估计装置4估计 使用电池等效电路模型对应于基于放电和充电电流值和端子电压值估计的开路电压值的开路电压法SoC(SoCv)。 估计装置6基于SoCv和SoCi之间的差,SoCi的方差和SoCv的方差来估计当前积分方法SoC的估计误差ni。 计算装置7基于SoCi和ni计算电池的SoC。

    BATTERY'S STATE OF CHARGE ESTIMATION APPARATUS
    2.
    发明申请
    BATTERY'S STATE OF CHARGE ESTIMATION APPARATUS 审中-公开
    电池充电估算装置状态

    公开(公告)号:US20150127280A1

    公开(公告)日:2015-05-07

    申请号:US14400160

    申请日:2013-04-01

    IPC分类号: G01R31/36

    摘要: A battery's state of charge estimation apparatus will be provided.The battery's state of charge estimation apparatus includes: a charge and discharge current detection unit; a terminal voltage detection unit; an open circuit voltage method state of charge estimation unit for estimating an open circuit voltage of the battery and an open circuit voltage method state of charge; a current integration method state of charge estimation unit for obtaining a current integration method state of charge as a state variable; and an error correction value calculation unit for calculating an error correction value for correcting the current integration method state of charge. The current integration method state of charge estimation unit corrects the current integration method state of charge by using the error correction value.

    摘要翻译: 将提供电池的充电状态估计装置。 电池的充电状态估计装置包括:充放电电流检测部; 端子电压检测单元; 用于估计电池的开路电压的开路电压法状态电荷估算单元和开路电压法的充电状态; 电流积分方法状态电荷估计单元,用于获得当前积分方法状态电荷作为状态变量; 以及误差校正值计算单元,用于计算用于校正当前积分方法的充电状态的误差校正值。 电流积分方法状态电荷估计单元通过使用误差校正值校正当前积分方法的充电状态。

    APPARATUS AND METHOD FOR DETECTING DECREASE IN TIRE AIR PRESSURE AND PROGRAM FOR DETECTING DECREASE IN TIRE AIR PRESSURE
    3.
    发明申请
    APPARATUS AND METHOD FOR DETECTING DECREASE IN TIRE AIR PRESSURE AND PROGRAM FOR DETECTING DECREASE IN TIRE AIR PRESSURE 有权
    用于检测轮胎空气压力降低的装置和方法以及用于检测轮胎空气压力降低的程序

    公开(公告)号:US20090282906A1

    公开(公告)日:2009-11-19

    申请号:US12466551

    申请日:2009-05-15

    IPC分类号: B60C23/02

    CPC分类号: B60C23/061 B60C23/062

    摘要: An apparatus for detecting a decrease in a tire air pressure includes: a rotation velocity information detection means for periodically detecting tire rotation velocity information for the respective wheels of a vehicle; a frequency characteristic estimate means for estimating, based on this rotation velocity information, a frequency characteristic of the rotation velocity information; and a judgment means for judging, based on the estimated frequency characteristic, a decrease in the air pressure of the tire. The frequency characteristic estimate means includes, with regard to a time-series signal including the rotation velocity information, a parameter estimate means for subjecting parameters of a three-order or more linear model to a time-series estimate; an input signal estimate means for estimating, based on the estimated linear model and the rotation velocity information that is an output signal of the linear model, an input signal to the linear model; a parameter identification means for identifying, based on the estimated input signal and the rotation velocity information, parameters of a linear model caused to have a lower order of a second order; and a resonant frequency estimate means for estimating, based on the parameters identified based on the model caused to have a lower order of the second order, a resonant frequency of the tire in a torsional direction.

    摘要翻译: 一种用于检测轮胎空气压力降低的装置,包括:周期性地检测车辆各车轮的轮胎转速信息的转速信息检测装置; 频率特性估计装置,用于基于该旋转速度信息估计旋转速度信息的频率特性; 以及判断装置,用于基于估计的频率特性来判断轮胎的空气压力的降低。 频率特性估计装置包括关于包括旋转速度信息的时间序列信号,用于对三阶或更多线性模型的参数进行时间序列估计的参数估计装置; 输入信号估计装置,用于基于估计的线性模型和作为线性模型的输出信号的旋转速度信息,估计到线性模型的输入信号; 参数识别装置,用于基于估计的输入信号和旋转速度信息,识别导致具有较低二阶的线性模型的参数; 以及谐振频率估计装置,用于基于基于所述模型识别出的具有所述第二级的较低阶的参数来估计所述轮胎在扭转方向上的共振频率。

    Frequency hopped wireless communication system and communication
equipment using a preamble field and information transfer field
succeeding the preamble field
    4.
    发明授权
    Frequency hopped wireless communication system and communication equipment using a preamble field and information transfer field succeeding the preamble field 失效
    频率跳跃的无线通信系统和使用前导字段和信息传输字段的通信设备在后续字段之后

    公开(公告)号:US6084905A

    公开(公告)日:2000-07-04

    申请号:US636388

    申请日:1996-04-22

    CPC分类号: H04L27/38 H04B1/713 H04L7/046

    摘要: Communication equipment in a slow frequency hopped communication system employing a multi-level quadrature modulation carries out the AGC operation of a receiver amplifier and the operation of synchronizing the received frequency with a carrier frequency during reception of a first field of a preamble field of a communication frame when the carrier is unmodulated, completes the timing recovery of a received symbol and the synchronization with the timing during reception of a second field of the preamble field of the communication frame when the phase of the carrier is changed every symbol time, and thereafter, modulates an information signal in an information transfer field subsequent to the preamble field of the communication frame.

    摘要翻译: 在采用多电平正交调制的慢跳频通信系统中的通信设备执行接收机放大器的AGC操作,以及在接收通信的前导码字段的第一字段期间使接收频率与载波频率同步的操作 当载波未被调制时,当每个符号时间改变载波的相位时,完成接收符号的定时恢复和与通信帧的前导字段的第二字段的接收期间的定时的同步,此后, 在通信帧的前导字段之后的信息传送字段中调制信息信号。

    Active vibration controller
    5.
    发明授权
    Active vibration controller 失效
    主动振动控制器

    公开(公告)号:US5701349A

    公开(公告)日:1997-12-23

    申请号:US476332

    申请日:1995-06-07

    摘要: An active vibration controller includes acceleration detectors for generating output signals on the basis of vibrations of a vehicle, speakers provided in a vehicle's cabin, microphones provided in the vehicle's cabin for receiving generated sounds from the speakers and road noises generated on the basis of running of the vehicle, and adaptive digital filters using output signals from the acceleration detectors as inputs for controlling filter factors on the basis of an RLS algorithm to minimize levels of output signals from the microphones in response to output signals from the microphones and output signals from the acceleration detectors through use of a transfer function matched to the transfer function of the vehicle's cabin in a sound field between the speakers and the microphones. The controller minimized levels of output signals from the microphones by developing an applied output signal to the speakers. Thus parameters of the filter factors are adaptively updated in accordance with identified system characteristics, providing satisfactory estimation accuracy, and quick convergence to changed sensed noise to silence road noise in the vehicle's cabin.

    摘要翻译: 主动振动控制器包括加速度检测器,用于根据车辆的振动,设置在车厢内的扬声器产生输出信号,设置在车厢内的麦克风用于从扬声器接收产生的声音,并基于运行中产生的道路噪声 车辆和使用来自加速度检测器的输出信号的自适应数字滤波器作为用于基于RLS算法控制滤波器因子的输入,以响应于来自麦克风的输出信号和来自加速度的输出信号来最小化来自麦克风的输出信号的水平 通过在扬声器和麦克风之间的声场中使用与车辆舱的传递功能相匹配的传递函数的检测器。 控制器通过向扬声器开发施加的输出信号来最小化来自麦克风的输出信号的水平。 因此,根据所识别的系统特性,提供令人满意的估计精度以及快速收敛以改变感测到的噪声以使车厢内的道路噪声沉默,自适应地更新滤波因子的参数。

    Wireless communication system and wireless terminal device using fixed
length communication frame
    7.
    发明授权
    Wireless communication system and wireless terminal device using fixed length communication frame 失效
    无线通信系统和使用固定长度通信帧的无线终端设备

    公开(公告)号:US5559804A

    公开(公告)日:1996-09-24

    申请号:US230773

    申请日:1994-04-21

    摘要: A wireless communication system includes a plurality of wireless terminals and a base station for periodically generating a fixed-length communication frame composed of an information field which includes a plurality of information slots, and first and second control fields which are arranged preceding the information field and each of which includes a plurality of time slots. Each time slot of the first control field of each communication frame is used for allowing the base station to send control data for designating a terminal which is to make the transmission or reception of data in one information slot of the information field, and each time slot of the second control field thereof is used for allowing one wireless terminal to send control data indicating a requirement for assignment of an information slot for data transmission. Each wireless terminal, when receiving control data inclusive of an address of that terminal in the i-th time slot of the first control field of each communication frame, makes the reception or transmission of data in the i-th information slot in the information field of that communication frame. When the control data is not found out in the first control field, the power source of a reception unit of the wireless terminal is turned off during a period of time until the next communication frame is generated.

    摘要翻译: 无线通信系统包括多个无线终端和用于周期性地生成由包括多个信息时隙的信息字段组成的固定长度通信帧的基站,以及布置在信息字段之前的第一和第二控制字段,以及 其中每一个包括多个时隙。 每个通信帧的第一控制字段的每个时隙用于允许基站发送用于指定要在信息字段的一个信息时隙中发送或接收数据的终端的控制数据,并且每个时隙 用于允许一个无线终端发送指示用于分配用于数据传输的信息时隙的要求的控制数据。 每个无线终端在每个通信帧的第一控制字段的第i个时隙中接收到包括该终端的地址的控制数据时,在信息字段中的第i个信息时隙中接收或发送数据 的通信帧。 当在第一控制字段中没有发现控制数据时,无线终端的接收单元的电源在直到生成下一个通信帧的时间段内被关闭。

    Apparatus and method for battery state of charge estimation
    8.
    发明授权
    Apparatus and method for battery state of charge estimation 有权
    电池充电状态估算装置及方法

    公开(公告)号:US08918300B2

    公开(公告)日:2014-12-23

    申请号:US14349837

    申请日:2012-10-02

    IPC分类号: G01R31/36

    摘要: An apparatus and method for battery state of charge (SOC) estimation can reduce the estimation error in the battery SOC. The apparatus includes a charge/discharge current detection unit, a terminal voltage detection unit, a first estimation unit that estimates a first SOC by integrating the charge/discharge current value, a second estimation unit that estimates an open circuit voltage value from the charge/discharge current value and the terminal voltage value and estimates a second SOC from the open circuit voltage value, a first difference calculation unit that calculates a SOC difference between the first SOC and the second SOC, an error estimation unit that estimates, based on the SOC difference, an error as a state quantity of an error model by using the error model, and a second difference calculation unit that calculates a SOC of the battery by subtracting the error from the first SOC.

    摘要翻译: 用于电池充电状态(SOC)估计的装置和方法可以减少电池SOC中的估计误差。 该装置包括充电/放电电流检测单元,端子电压检测单元,通过积分充电/放电电流值来估计第一SOC的第一估计单元,从充电/放电电流检测单元估计开路电压值的第二估计单元, 放电电流值和端子电压值,并从开路电压值推定第二SOC,计算第一SOC和第二SOC之间的SOC差的第一差分计算单元,基于SOC估计出的误差估计单元 差异,通过使用误差模型作为误差模型的状态量的误差;以及第二差分计算单元,其通过从第一SOC减去误差来计算电池的SOC。

    Apparatus and method for detecting decrease in tire air pressure and program for detecting decrease in tire air pressure
    9.
    发明授权
    Apparatus and method for detecting decrease in tire air pressure and program for detecting decrease in tire air pressure 有权
    用于检测轮胎气压降低的装置和方法以及用于检测轮胎气压降低的程序

    公开(公告)号:US07963157B2

    公开(公告)日:2011-06-21

    申请号:US12466551

    申请日:2009-05-15

    IPC分类号: G01M17/02 G01L7/00

    CPC分类号: B60C23/061 B60C23/062

    摘要: An apparatus for detecting a decrease in a tire air pressure includes: a rotation velocity information detection means for periodically detecting tire rotation velocity information for the respective wheels of a vehicle; a frequency characteristic estimate means for estimating, based on this rotation velocity information, a frequency characteristic of the rotation velocity information; and a judgment means for judging, based on the estimated frequency characteristic, a decrease in the air pressure of the tire. The frequency characteristic estimate means includes, with regard to a time-series signal including the rotation velocity information, a parameter estimate means for subjecting parameters of a three-order or more linear model to a time-series estimate; an input signal estimate means for estimating, based on the estimated linear model and the rotation velocity information that is an output signal of the linear model, an input signal to the linear model; a parameter identification means for identifying, based on the estimated input signal and the rotation velocity information, parameters of a linear model caused to have a lower order of a second order; and a resonant frequency estimate means for estimating, based on the parameters identified based on the model caused to have a lower order of the second order, a resonant frequency of the tire in a torsional direction.

    摘要翻译: 一种用于检测轮胎空气压力降低的装置,包括:周期性地检测车辆各车轮的轮胎转速信息的转速信息检测装置; 频率特性估计装置,用于基于该旋转速度信息估计旋转速度信息的频率特性; 以及判断装置,用于基于估计的频率特性来判断轮胎的空气压力的降低。 频率特性估计装置包括关于包括旋转速度信息的时间序列信号,用于对三阶或更多线性模型的参数进行时间序列估计的参数估计装置; 输入信号估计装置,用于基于估计的线性模型和作为线性模型的输出信号的旋转速度信息,估计到线性模型的输入信号; 参数识别装置,用于基于估计的输入信号和旋转速度信息,识别导致具有较低二阶的线性模型的参数; 以及谐振频率估计装置,用于基于基于所述模型识别的参数来估计轮胎在扭转方向上的共振频率。

    Frequency hopping wireless communication system and communication
equipment
    10.
    发明授权
    Frequency hopping wireless communication system and communication equipment 失效
    跳频无线通信系统和通信设备

    公开(公告)号:US5862142A

    公开(公告)日:1999-01-19

    申请号:US461527

    申请日:1995-06-05

    摘要: In a wireless communication system having a plurality of base stations connected through a control line and a plurality of mobile terminals, one of base stations (a master base station) informs a carrier frequency hop timing to the other base stations (slave base stations) through the control line. Each slave base station generates a wireless communication frame used inside of each cell and switches the carrier frequency of the wireless communication frame in synchronous to the timing indicated by the master base station. Each movable terminal receives an identifier of a frequency hopping sequence from a control information field of the wireless communication frame, hops to one carrier frequency selected among a frequency hopping sequence corresponding to this identifier, and transmit or receive the data through the field following the control information field of the wireless communication frame.

    摘要翻译: 在具有通过控制线和多个移动终端连接的多个基站的无线通信系统中,基站(主基站)中的一个基站通过载波频率到其他基站(从基站)的定时到达基站 控制线。 每个从基站产生在每个小区内部使用的无线通信帧,并与主基站指示的定时同步地切换无线通信帧的载波频率。 每个可移动终端从无线通信帧的控制信息字段接收跳频序列的标识符,跳到与该标识符相对应的跳频序列中选择的一个载波频率,并通过控制之后的字段发送或接收数据 无线通信帧的信息字段。