CONTROLLER AND METHOD FOR ESTIMATING, MANAGING, AND DIAGNOSING MOTOR PARAMETERS
    1.
    发明申请
    CONTROLLER AND METHOD FOR ESTIMATING, MANAGING, AND DIAGNOSING MOTOR PARAMETERS 有权
    用于估计,管理和诊断电机参数的控制器和方法

    公开(公告)号:US20110031920A1

    公开(公告)日:2011-02-10

    申请号:US12852961

    申请日:2010-08-09

    IPC分类号: H02P7/29

    摘要: A motor control system includes a control module, a switching module, and a filtering module. The control module determines output voltages for operating a motor based on a torque demand. The switching module generates switching signals for an inverter that drives the motor. The switching module generates the switching signals based on the output voltages. The switching module generates an out-of-volts (OOV) signal according to a comparison based on the output voltages, a maximum duty cycle, and a voltage of a direct current (DC) bus that provides power to the inverter. The filtering module generates an OOV amount by filtering the OOV signal. The control module selectively limits the torque demand based on the OOV amount.

    摘要翻译: 电机控制系统包括控制模块,开关模块和过滤模块。 控制模块基于转矩需求确定用于操作电动机的输出电压。 开关模块为驱动电机的变频器产生开关信号。 开关模块根据输出电压产生开关信号。 开关模块根据输出电压,最大占空比和向逆变器供电的直流(DC)总线的电压进行比较,产生失伏(OOV)信号。 滤波模块通过对OOV信号进行滤波生成OOV量。 控制模块基于OOV量有选择地限制扭矩需求。

    Control systems and methods for permanent magnet rotating machines
    2.
    发明授权
    Control systems and methods for permanent magnet rotating machines 有权
    永磁旋转机的控制系统和方法

    公开(公告)号:US07667423B2

    公开(公告)日:2010-02-23

    申请号:US12121392

    申请日:2008-05-15

    IPC分类号: G05B19/10

    摘要: Systems and methods for controlling a rotating electromagnetic machine. The rotating machine, such as a permanent magnet motor or hybrid switched reluctance motor, includes a stator having a plurality of phase windings and a rotor that rotates relative to the stator. A drive is connected to the phase windings for energizing the windings. A controller outputs a control signal to the drive in response to inputs of demanded torque, rotor position and/or speed. Control methods include calculating a scaled torque demand from the received torque demand to obtain substantially constant torque over a range of motor speeds, calculating an optimal dr-axis injection current using a cost function and a starting method that switches from speed control mode to torque control mode at a predetermined rotor speed or at predetermined start-up timing intervals.

    摘要翻译: 用于控制旋转电磁机器的系统和方法。 诸如永磁电动机或混合开关磁阻电动机的旋转机器包括具有多个相绕组的定子和相对于定子旋转的转子。 驱动器连接到相绕组以对绕组通电。 控制器响应于所需扭矩,转子位置和/或速度的输入,向驱动器输出控制信号。 控制方法包括根据接收到的转矩需求计算一个缩放的转矩需求,以便在一个电机速度范围内获得基本恒定的转矩,使用成本函数计算最佳dr轴注入电流,以及从速度控制模式切换到转矩控制 模式以预定的转子速度或预定的启动定时间隔。

    Sensorless control systems and methods for permanent magnet rotating machines
    3.
    发明授权
    Sensorless control systems and methods for permanent magnet rotating machines 有权
    永磁旋转机的无传感器控制系统和方法

    公开(公告)号:US07342379B2

    公开(公告)日:2008-03-11

    申请号:US11293744

    申请日:2005-12-02

    IPC分类号: H02P23/00

    CPC分类号: H02P6/18 H02P25/08

    摘要: Systems and methods for controlling a rotating electromagnetic machine. The rotating machine, such as a permanent magnet motor or hybrid switched reluctance motor, includes a stator having a plurality of phase windings and a rotor that rotates relative to the stator. A drive is connected to the phase windings for energizing the windings. A controller outputs a control signal to the drive in response to an input demand such as a demanded speed or torque. Control methods (which can be implemented separately or in combination) include varying the gain of an estimator as a function of a demanded or estimated speed to position control system poles at desired locations, decoupling control system currents to achieve a constant torque with motor speed, compensating flux estimates of the estimator for saturation operation of the stator, estimating rotor position using averages of sample values of energization feedback, and calculating a trim adjusted speed error from a plurality of speed estimates.

    摘要翻译: 用于控制旋转电磁机器的系统和方法。 诸如永磁电动机或混合开关磁阻电动机的旋转机器包括具有多个相绕组的定子和相对于定子旋转的转子。 驱动器连接到相绕组以对绕组通电。 控制器响应于诸如所需速度或扭矩的输入需求而向驱动器输出控制信号。 控制方法(可单独实施或组合实现)包括根据要求或估计的速度来改变估计器的增益,以将控制系统极点定位在期望的位置,使控制系统电流解耦以实现具有电动机速度的恒定转矩, 对所述定子的饱和运行的估计器的补偿通量估计,使用通电反馈的采样值的平均值估计转子位置,以及从多个速度估计值计算修整调整速度误差。

    Force control system
    4.
    发明授权

    公开(公告)号:US06404154B2

    公开(公告)日:2002-06-11

    申请号:US09845673

    申请日:2001-04-30

    IPC分类号: H02K3300

    CPC分类号: B23K20/121 H02P25/032

    摘要: A force control system for an electromagnetic actuator includes an observer that outputs signals representing the instantaneous position and velocity of a movable member, and a position controller that receives the output of the observer and signals representing a desired position and a desired velocity. The position controller compares the output of the observer with the desired position and velocity signals to generate position and velocity error signals. The position controller further generates force command signals required to position the movable member at the desired position with the desired velocity based on the position and velocity error signals. The position component may be eliminated from the force command signals, resulting in controlling only the velocity of the movable member. In accordance with other aspects of the invention, a force control system for an electromagnetic actuator includes a flux observer that low-pass filters the voltage applied to phase coils to estimate the flux of the phase coil and provide a signal representing the estimated flux at the output.

    Trajectory controller
    5.
    发明授权
    Trajectory controller 失效
    轨迹控制器

    公开(公告)号:US6091215A

    公开(公告)日:2000-07-18

    申请号:US88922

    申请日:1998-06-02

    CPC分类号: B23K20/121

    摘要: A system for controlling the movement of a movable member with respect to a stationary member, such as is found in a vibration welding apparatus. The system may include a force controller that converts desired force command signals into desired flux command signals and a flux controller that controls the flux in a magnetic core of the stationary assembly to effect the desired movement of the movable member. The stationary assembly may include a plurality of magnetically uncoupled E-cores of paramagnetic material.

    摘要翻译: 一种用于控制可动构件相对于固定构件的移动的系统,例如在振动焊接装置中发现的。 该系统可以包括将期望的力命令信号转换成期望的通量指令信号的力控制器,以及控制固定组件的磁芯中的通量以实现可移动部件的期望运动的通量控制器。 固定组件可以包括多个顺磁材料的非磁耦合的E芯。

    EMI filter and method
    7.
    发明授权
    EMI filter and method 失效
    EMI滤波器和方法

    公开(公告)号:US5483136A

    公开(公告)日:1996-01-09

    申请号:US250158

    申请日:1994-05-27

    CPC分类号: H02M1/44 H02M1/12

    摘要: An improved EMI filter design is provided for an inverter operated dynamoelectric machine. A lossy balun wound choke is connected between a power supply in the form of a bridge rectifier and the inverter. The choke acts as a source resistance. Using the choke as the source resistance, an equiripple approximation to linear phase filter is derived. The filter is placed on the input side of the bridge rectifier. A method of designing an EMI filter for use in conjunction with an inverter operated dynamoelectric machine.

    摘要翻译: 为变频器运行的电动机提供了改进的EMI滤波器设计。 在桥式整流器形式的电源与逆变器之间连接有损平衡 - 不平衡变压器绕组扼流圈。 扼流圈作为源阻力。 使用扼流圈作为源极电阻,推导出线性相位滤波器的近似近似。 滤波器放置在桥式整流器的输入侧。 一种与逆变器操作的电动机结合使用的EMI滤波器的设计方法。

    Sensorless commutation controller for a poly-phase dynamoelectric machine
    8.
    发明授权
    Sensorless commutation controller for a poly-phase dynamoelectric machine 失效
    用于多相电动机的无传感器换向控制器

    公开(公告)号:US5457375A

    公开(公告)日:1995-10-10

    申请号:US250017

    申请日:1994-05-27

    CPC分类号: H02P6/085 H02P25/089 H02P6/18

    摘要: A BPM or SRM electric motor (M) is supplied bus current. A PWM inverter (I) uses bus current to commutate the motor by Systematically energizing and de-energizing the motor's windings (W) with the current. The resultant bus current waveshape has characteristics that are a function of a commutation angle between a rotor (T) of the machine and its windings. The waveshape includes the effects of bus ripple or transients. A commutation controller (10) samples the waveshape during each commutation interval to obtain commutation angle information. The controller provides control inputs to an inverter (I) to control commutation angle in response to the sample information. Commutation angle control includes calculating a control variable (I.sub.curve) which is a function of commutation angle. This variable is comprised of sampled data values which are additively combined according to a prescribed formula and which provide a high degree of linearity over a wide range of commutation angles. The controller is further responsive to the motor's impulse response (H.sub.motor (t)) to reject bus ripple effects on the waveshape samples. By employing the control variable and impulse response, the controller provides appropriate frequency (f.sub.out) and voltage (V.sub. out corrected) inputs to the inverter to achieve an optimum commutation angle relationship between the rotor and windings.

    摘要翻译: BPM或SRM电机(M)提供总线电流。 PWM逆变器(I)使用总线电流来对电动机进行换向,用电流系统地给电动机的绕组(W)供电和断电。 所得到的总线电流波形具有作为机器的转子(T)与其绕组之间的换向角的函数的特性。 波形包括总线纹波或瞬变的影响。 换向控制器(10)在每个换向间隔期间采样波形以获得换向角度信息。 控制器向逆变器(I)提供控制输入,以响应样品信息控制换向角。 换向角控制包括计算作为换向角函数的控制变量(Icurve)。 该变量包括根据规定的公式加法组合并且在宽范围的换向角度下提供高度线性度的采样数据值。 控制器进一步响应电机的脉冲响应(Hmotor(t)),以消除波形样本的总线纹波效应。 通过采用控制变量和脉冲响应,控制器向变频器提供适当的频率(fout)和电压(V校正)输入,以实现转子和绕组之间的最佳换向角关系。

    Controller and method for transitioning between control angles
    9.
    发明授权
    Controller and method for transitioning between control angles 有权
    用于在控制角度之间转换的控制器和方法

    公开(公告)号:US08264192B2

    公开(公告)日:2012-09-11

    申请号:US12852625

    申请日:2010-08-09

    IPC分类号: H02P6/08 H02P27/08

    摘要: A system includes a pulse-width modulation (PWM) module, a subtraction module, an error reducing module, and a summing module. The PWM module controls switching of an inverter that powers a motor. The PWM module controls the switching based on a first angle in a first mode and a second angle in a second mode. The subtraction module determines a difference between the first and second angles. The error reducing module (i) stores the difference when a transition from the first mode to the second mode is commanded and (ii) decreases a magnitude of the stored difference to zero. The summing module calculates a sum of the stored difference and the second angle. The PWM module controls the switching based on the sum in the second mode.

    摘要翻译: 一种系统包括脉宽调制(PWM)模块,减法模块,减误模块和求和模块。 PWM模块控制为电机供电的变频器的开关。 PWM模块基于第一模式中的第一角度和第二模式中的第二角度来控制切换。 减法模块确定第一和第二角度之间的差异。 当从第一模式转换到第二模式时,误差减小模块(i)存储差异,并且(ii)将存储的差值的大小减小到零。 求和模块计算存储的差值和第二角度的和。 PWM模块基于第二模式中的和来控制切换。