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21. 发明授权

US07141946B2 Method and apparatus for providing optimal acceleration feedback 有权
标题翻译：提供最佳加速度反馈的方法和装置
公开(公告)号：US07141946B2
公开(公告)日：2006-11-28
申请号：US10662556
申请日：2003-09-15
申请人： Thomas J. Rehm , Peter B. Schmidt , John Joseph Golownia
发明人： Thomas J. Rehm , Peter B. Schmidt , John Joseph Golownia
IPC分类号： H02P5/00
CPC分类号： H02P23/0004
摘要： A method and apparatus for use with a motor controller that receives a command velocity and that applies voltages to drive a motor at the command velocity, the apparatus comprising a dual inertia lost motion assembly including a motor and a load couplable to the motor, the lost motion assembly characterized by at least some lost motion between the motor and the load, the motor and load together characterized by a total assembly inertia, an acceleration error determiner for generating an acceleration error that is the difference between a derivative of the command velocity and a motor acceleration value and a low pass acceleration error filter filtering the acceleration error and having a gain set as a percentage of the total assembly inertia, the acceleration error filter providing the filtered signal to the controller, the controller using the filtered signal to adjust the applied voltages.
摘要翻译：一种与马达控制器一起使用的方法和装置，其接收命令速度并且以指令速度施加电压以驱动马达，所述装置包括双惯性空转组件，其包括马达和可耦合到马达的负载，所述丢失运动组件，其特征在于电动机和负载之间的至少一些失速运动，电动机和负载联合在一起，其特征在于总组装惯量，用于产生加速度误差的加速度误差确定器，加速度误差是指令速度的导数与电机加速度值和低通加速度误差滤波器过滤加速度误差，并将增益设置为总装配惯量的百分比，加速度误差滤波器将滤波信号提供给控制器，控制器使用滤波信号调整应用电压。

22. 发明授权

US06597146B1 Method and apparatus to compensate for cyclic load disturbances in a control system 有权
标题翻译：用于补偿控制系统中的循环负载扰动的方法和装置
公开(公告)号：US06597146B1
公开(公告)日：2003-07-22
申请号：US10072066
申请日：2002-02-08
申请人： Thomas J. Rehm , Peter B. Schmidt
发明人： Thomas J. Rehm , Peter B. Schmidt
IPC分类号： G05D23275
CPC分类号： G05B13/021 , G05B5/01
摘要： A method and apparatus for essentially eliminating cyclic disturbances in a motor control system, the method including identifying frequencies of undesirable components in a feedback signal that exceed a threshold level and generating a combined signal including sine wave components corresponding to each of the identified frequencies, delaying the combined signal to generate a plurality of identical but phase shifted combined signals, weighting each one of the delayed signals as a function of the magnitude of an instantaneous corrected signal which is the difference between a velocity error signal and a compensation signal and adding each of the weighted signals to generate the compensation signal.
摘要翻译：一种用于基本上消除电动机控制系统中的循环干扰的方法和装置，所述方法包括识别超过阈值电平的反馈信号中的不期望分量的频率，并产生包括对应于所识别的每个频率的正弦波分量的组合信号，延迟所述组合信号用于产生多个相同但相移的组合信号，对作为速度误差信号和补偿信号之间的差的瞬时校正信号的大小的函数对所述延迟信号中的每一个进行加权，并将每个加权信号产生补偿信号。

23. 发明授权

US5397515A Injection molding machine temperature control system 失效
标题翻译：注塑机温控系统
公开(公告)号：US5397515A
公开(公告)日：1995-03-14
申请号：US968808
申请日：1992-10-30
申请人： John G. Searle , Brian P. Delaney , Kevin O. Delaney , Keith M. Hogan , Peter B. Schmidt
发明人： John G. Searle , Brian P. Delaney , Kevin O. Delaney , Keith M. Hogan , Peter B. Schmidt
IPC分类号： B29C45/78 , G05D23/19 , B29C45/72
CPC分类号： G05D23/1917 , B29C45/78
摘要： A control system for controlling the temperature within process machinery such as the feed assembly in an injection molding machine. The control system provides a six phase process for starting up the machine from cold conditions and controlling the machine temperature to rapidly and accurately attain a command temperature while identifying control parameters for use under steady state conditions for maintaining the command temperature.
摘要翻译：控制系统，用于控制过程机械内的温度，如注塑机中的进料组件。控制系统提供了一个六相过程，用于从冷态启动机器，并控制机器温度以快速准确地达到指令温度，同时确定在稳态条件下用于维持指令温度的控制参数。

24. 发明申请

US20090063058A1 Inertia And Load Torque Estimating Method And Apparatus 有权
标题翻译：惯性和负载扭矩估计方法和装置
公开(公告)号：US20090063058A1
公开(公告)日：2009-03-05
申请号：US11846159
申请日：2007-08-28
申请人： Thomas J. Rehm , Peter B. Schmidt , John Joseph Golownia, JR.
发明人： Thomas J. Rehm , Peter B. Schmidt , John Joseph Golownia, JR.
IPC分类号： G01L5/26
CPC分类号： G05B19/416 , G05B2219/41123 , G05B2219/41163 , G05B2219/41381
摘要： A method and apparatus for estimating a system inertia and a load torque in a motor controller, the method comprising the steps of providing an acceleration command signal, determining a motor position, using the motor position to generate an acceleration feedback signal, mathematically combining the acceleration feedback signal and a load torque signal to generate a system inertia estimate, mathematically combining the system inertia estimate and the acceleration command signal to generate a motor torque signal, mathematically combining the system inertia estimate and the acceleration feedback signal to generate an inertia torque and mathematically combining the inertia torque and the motor torque signal to generate the load torque estimate.
摘要翻译：一种用于估计电动机控制器中的系统惯量和负载转矩的方法和装置，所述方法包括以下步骤：使用所述电动机位置提供加速度指令信号，确定电动机位置以产生加速度反馈信号，将所述加速度反馈信号和负载转矩信号以产生系统惯性估计，在数学上组合系统惯性估计和加速度指令信号以产生电动机转矩信号，以数学方式组合系统惯性估计和加速度反馈信号以产生惯性转矩和数学上组合惯性转矩和电动机转矩信号以产生负载转矩估计。

25. 发明授权

US6144181A Method and apparatus for reducing resonance in a dual inertia system 有权
标题翻译：减少双惯性系统谐振的方法和装置
公开(公告)号：US6144181A
公开(公告)日：2000-11-07
申请号：US158184
申请日：1998-09-21
申请人： Thomas J. Rehm , Peter B. Schmidt
发明人： Thomas J. Rehm , Peter B. Schmidt
IPC分类号： G05B5/01 , G05B11/01
CPC分类号： G05B5/01
摘要： A method and apparatus for minimizing resonant oscillations in a dual inertia system characterized by minimally stable poles and both a resonant frequency and an anti-resonant frequency, the apparatus including a notch filter which is tuned so that notch filter zeros essentially cancel the minimally stable poles and so that at least one notch pole is located at the intersection of a real axis and an system anti-resonant zero radius on a root-loci plot, thereby rendering an exceptionally stable system, the method for tuning the notch filter as described.
摘要翻译：一种用于最小化双惯性系统中的谐振振荡的方法和装置，其特征在于最小稳定的极点以及谐振频率和反谐振频率两者，该装置包括陷波滤波器，该陷波滤波器被调谐以使陷波器零点基本上抵消最小稳定的极点并且使得至少一个切口极位于根轨迹图上的实轴和系统反谐振零半径的交叉处，从而形成非常稳定的系统，如所述调谐陷波滤波器的方法。

26. 发明授权

US5495158A Apparatus and method used with AC motors for controlling motor operation 失效
标题翻译：用于控制电机运行的交流电机的装置和方法
公开(公告)号：US5495158A
公开(公告)日：1996-02-27
申请号：US316180
申请日：1994-09-30
申请人： Peter B. Schmidt , Thomas Rehm
发明人： Peter B. Schmidt , Thomas Rehm
IPC分类号： H02P23/00 , B60R21/32 , G05B19/25
CPC分类号： H02P23/16
摘要： A method and apparatus for motor control tuning wherein an extremely accurate estimate of inertia is determined by using the second derivative of a desired motor velocity and the torque supplied to a motor is altered as a function of inertia.
摘要翻译：一种用于电机控制调谐的方法和装置，其中通过使用期望的电动机速度的二阶导数来确定非常精确的惯性估计，并且提供给电动机的转矩作为惯性的函数而被改变。

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