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214 条记录 (耗时 0.026 秒)

    Multichannel controller
    122.
    发明授权
    Multichannel controller 有权
    多通道控制器

    公开(公告)号：US09362710B1

    公开(公告)日：2016-06-07

    申请号：US14789490

    申请日：2015-07-01

    申请人： Northrop Grumman Systems Corporation

    发明人： Gregory D. Goodno

    IPC分类号： H01S3/067 ,  H01S3/10 ,  G05B11/18 ,  G05B15/02 ,  G05B13/02 ,  H01S3/23

    CPC分类号： H01S3/10015 ,  G05B11/18 ,  G05B13/024 ,  G05B15/02 ,  H01S3/06754 ,  H01S3/1305 ,  H01S3/1307 ,  H01S3/2383

    摘要： An output characteristic of a monotonic system is controlled using a plurality of adjustable inputs. The adjustments are controlled using a set of setpoints and a set of dither magnitudes. Each input's adjustment is controlled simultaneously using a setpoint and a dither around the setpoint. The dither values for each input have a zero mean and there is zero correlation between the dithers applied to different inputs. The changes in the output characteristic that result from the dithers are measured, and are used to create an adjustment value. The adjustment value is used to create a set of adjusted dither magnitudes. The set of adjusted dither magnitudes are added to a set of integrated prior adjusted dither magnitudes to create a set of setpoint adjustments. Adding the setpoint adjustments to corresponding setpoints creates a set of updated setpoints. This process is repeated so that the setpoints converge on a value that maximizes the output characteristic being controlled.

    摘要翻译： 使用多个可调输入来控制单调系统的输出特性。 使用一组设定值和一组抖动量值来控制调整。 每个输入的调整可以使用设定值和设定点周围的抖动同时进行控制。 每个输入的抖动值均为零，并且应用于不同输入的抖动之间有零相关。 测量由抖动产生的输出特性的变化，并用于创建调整值。 调整值用于创建一组调整的抖动幅度。 将一组经调整的抖动幅度添加到一组集成的先前调整的抖动幅度，以创建一组设定值调整。 将设定值调整值添加到相应的设定值会创建一组更新的设定值。 重复该过程，使得设定点收敛于使被控制的输出特性最大化的值。

    Model-based load demand control
    124.
    发明授权
    Model-based load demand control 有权
    基于模型的负载需求控制

    公开(公告)号：US09163828B2

    公开(公告)日：2015-10-20

    申请号：US13285072

    申请日：2011-10-31

    申请人： Robert Allen Beveridge

    发明人： Robert Allen Beveridge

    IPC分类号： G05B13/02 ,  F22B35/00 ,  G05B13/04 ,  G05B17/02 ,  F01K13/02 ,  G05B11/18 ,  G05B11/16 ,  G05B11/42

    CPC分类号： F22B35/00 ,  F01K13/02 ,  G05B11/16 ,  G05B11/18 ,  G05B11/42 ,  G05B13/04 ,  G05B13/041 ,  G05B13/042 ,  G05B17/02

    摘要： Embodiments of methods and systems for controlling a load generated by a power generating system may include controlling at least a portion of the system using model-based control techniques. The model-based control techniques may include a dynamic matrix controller (DMC) that receives a load demand and a process variable as inputs and generates a control signal based on the inputs and a stored model. The model may be configured based on parametric testing, and may be modifiable. Other inputs may also be used to determine the control signal. In an embodiment, a turbine is controlled by a first DMC and a boiler is controlled by a second DMC, and the control signals generated by the first and the second DMCs are used in conjunction to control the generated load. Techniques to move the power generating system from Proportional-Integral-Derivative based control to model-based control are also disclosed.

    摘要翻译： 用于控制由发电系统产生的负载的方法和系统的实施例可以包括使用基于模型的控制技术来控制系统的至少一部分。 基于模型的控制技术可以包括动态矩阵控制器（DMC），其接收负载需求和过程变量作为输入，并且基于输入和存储的模型生成控制信号。 该模型可以基于参数测试来配置，并且可以是可修改的。 也可以使用其他输入来确定控制信号。 在一个实施例中，涡轮机由第一DMC控制，锅炉由第二DMC控制，并且由第一和第二DMC产生的控制信号结合使用来控制所产生的负载。 还公开了将发电系统从基于比例积分衍生的控制转移到基于模型的控制的技术。

    ELECTRIC MOTOR SYSTEM AND MOTOR CONTROL METHOD
    125.
    发明申请
    ELECTRIC MOTOR SYSTEM AND MOTOR CONTROL METHOD 有权
    电动马达系统及电机控制方法

    公开(公告)号：US20150110525A1

    公开(公告)日：2015-04-23

    申请号：US14587037

    申请日：2014-12-31

    申请人： Shogo SAKAMOTO ,  Takuya MURATA ,  Takeo SEKI ,  Hiroyuki KIGUCHI

    发明人： Shogo SAKAMOTO ,  Takuya MURATA ,  Takeo SEKI ,  Hiroyuki KIGUCHI

    IPC分类号： G03G15/00 ,  G05B11/42 ,  G05B11/18

    CPC分类号： G03G15/757 ,  G03G21/1647 ,  G03G21/1666 ,  G03G21/1671 ,  G03G21/1676 ,  G05B11/18 ,  G05B11/42 ,  G05B2219/41021 ,  G05B2219/41321

    摘要： An electric motor system includes a brushless direct-current motor, a driver circuit, a position sensor, and a control circuit. The motor has an output shaft for transmitting torque. The driver circuit supplies power to the motor according to a control signal input thereto. The position sensor measures an angular, rotational position of the motor shaft. The control circuit controls operation of the motor. The control circuit includes a position sensor terminal, a reference terminal, a differential calculator, a controller, and a gain adjuster. The position sensor terminal receives a feedback signal. The reference terminal receives a reference signal. The differential calculator generates an error signal representing a difference between the measured and targeted rotational positions. The controller generates the control signal based on the error signal through a combination of control actions. The gain adjuster is connected to the controller to adjust a gain of each control action.

    摘要翻译： 电动机系统包括无刷直流电动机，驱动电路，位置传感器和控制电路。 马达具有用于传递扭矩的输出轴。 驱动电路根据输入的控制信号向马达供电。 位置传感器测量电机轴的角度，旋转位置。 控制电路控制电机的运行。 控制电路包括位置传感器端子，参考端子，差分计算器，控制器和增益调节器。 位置传感器端子接收反馈信号。 参考端子接收参考信号。 差分计算器产生表示测量的和目标旋转位置之间的差的误差信号。 控制器通过控制动作的组合，根据误差信号生成控制信号。 增益调节器连接到控制器，以调整每个控制动作的增益。

    Methods and systems for extracting still frames from a compressed video
    126.
    发明授权
    Methods and systems for extracting still frames from a compressed video 有权
    用于从压缩视频中提取静止帧的方法和系统

    公开(公告)号：US08374421B1

    公开(公告)日：2013-02-12

    申请号：US13276049

    申请日：2011-10-18

    申请人： Ryan Hickman

    发明人： Ryan Hickman

    IPC分类号： G06K9/00 ,  G06F19/00 ,  G05B19/18 ,  G05B11/18 ,  H04N7/00 ,  H04N7/18 ,  B25J5/00

    CPC分类号： B25J9/1697

    摘要： Methods and systems for robot and cloud communication are described. A robot may interact with the cloud to perform any number of actions using video captured from a point-of-view or in the vicinity of the robot. The cloud may be configured to extract still frames from compressed video received from the robot at a frame rate determined based on a number of factors, including the robot's surrounding environment, the available bandwidth, or actions being performed. The cloud may be configured to request that a compressed video with higher frame rate be sent so that the cloud can extract still frames at a higher frame rate. Further, the cloud may be configured to request that a second compressed video from a second perspective be sent to provide additional environment information.

    摘要翻译： 描述了机器人和云通信的方法和系统。 机器人可以与云进行交互，以使用从视点或机器人附近捕获的视频执行任意数量的动作。 云可以被配置为以基于包括机器人的周围环境，可用带宽或正在执行的动作的多个因素确定的帧速率从从机器人接收的压缩视频中提取静止帧。 云可以被配置为请求发送具有更高帧速率的压缩视频，使得云可以以更高的帧速率提取静止帧。 此外，云可以被配置为请求从第二透视图发送第二压缩视频以提供附加的环境信息。

    Removable nanopositioning cartridge for magnetic head and disk testers
    127.
    发明授权
    Removable nanopositioning cartridge for magnetic head and disk testers 有权
    磁头和磁盘测试仪的可拆卸纳米定位盒

    公开(公告)号：US08169750B1

    公开(公告)日：2012-05-01

    申请号：US13047540

    申请日：2011-03-14

    申请人： Nahum Guzik ,  Brice Arnold ,  Forest Ray

    发明人： Nahum Guzik ,  Brice Arnold ,  Forest Ray

    IPC分类号： G11B5/56 ,  G05B11/18 ,  G01R33/12

    CPC分类号： G01R33/1207 ,  G11B5/455

    摘要： A removable cartridge for magnetic head and disk testers is disclosed. The removable cartridge includes: a base plate; a first end of an actuator rigidly fixed to the base plate; an HGA mounting block rigidly fixed to a second end of the actuator; a first end of a flexure rigidly coupled to the HGA mounting block; and a second end of the flexure rigidly coupled to the base plate.

    摘要翻译： 公开了一种用于磁头和磁盘测试器的可移除盒。 可拆卸的盒包括：底板; 刚性地固定到基板的执行器的第一端; 刚性地固定到致动器的第二端的HGA安装块; 刚性地联接到HGA安装块的挠曲件的第一端; 以及刚性地联接到基板的挠曲件的第二端。

    Motor Control Device
    128.
    发明申请
    Motor Control Device 有权
    电机控制装置

    公开(公告)号：US20120081062A1

    公开(公告)日：2012-04-05

    申请号：US13238216

    申请日：2011-09-21

    申请人： Kenichi IESAKI

    发明人： Kenichi IESAKI

    IPC分类号： G05B11/18

    CPC分类号： G05B13/024

    摘要： A motor control device includes: a motor control unit; and a signal output unit, the motor control unit includes: a first control unit configured to estimate a current upper limit value on the basis of the rotation speed of the motor and a current decrease caused by back electromotive force, the first control unit configured to determine a control input corresponding to the estimated current upper limit value, and a second control unit configured to determine a control input to be applied to the motor on the basis of an operation amount of the motor and a target value, of the operation amount to control, the motor, and in the early period of driving of the motor, the motor is controlled by the first control unit, and in the late period of driving of the motor, the motor is controlled by the second control unit.

    摘要翻译： 电动机控制装置包括：电动机控制单元; 和信号输出单元，所述电动机控制单元包括：第一控制单元，被配置为基于所述电动机的转速和由所述反电动势引起的电流减小来估计当前上限值，所述第一控制单元被配置为 确定与所述估计电流上限值相对应的控制输入，以及第二控制单元，被配置为基于所述电动机的操作量和所述目标值确定施加到所述电动机的控制输入，所述控制输入的操作量为 控制，电动机，并且在电动机的早期驱动期间，电动机由第一控制单元控制，并且在电动机驱动的后期，电动机由第二控制单元控制。

    Switching device for the manual drive of an electromotive actuator
    129.
    发明授权
    Switching device for the manual drive of an electromotive actuator 失效
    用于手动驱动电动执行器的开关装置

    公开(公告)号：US6084370A

    公开(公告)日：2000-07-04

    申请号：US290093

    申请日：1999-04-12

    申请人： Herbert Moller

    发明人： Herbert Moller

    IPC分类号： F16K31/04 ,  F16K31/05 ,  G05B11/18

    CPC分类号： F16K31/046 ,  F16K31/05

    摘要： The invention relates to a switching device for the manual drive of an electromotive actuator for the control of fittings. In order to connect the manual drive by means of few components, whilst ensuring a simple design, the operative connection between the drive motor and the power take-off being maintained during manual drive, a drive shaft stub of the axially fixed drive shaft is equipped with a radial coupling pin. The handwheel shaft is mounted axially displaceably and in alignment with the drive shaft. That end of the handwheel shaft which is located opposite the handwheel is equipped with a coupling sleeve displaceable axially counter to the force of a compression spring. That end of the coupling sleeve which faces the drive shaft has a groove, the entrance of which is widened on both sides by means of run-on slopes. The manual drive has means for operating an electric switch which is arranged in the circuit of the drive motor and which is closed in the state of rest of the manual drive and is open when the handwheel shaft is engaged.

    摘要翻译： 本发明涉及用于手动驱动用于控制配件的电动致动器的开关装置。 为了通过少量部件连接手动驱动器，同时确保简单的设计，在手动驱动期间维持驱动马达和动力输出之间的操作连接，装备有轴向固定的驱动轴的驱动轴短柱 具有径向耦合销。 手轮轴可轴向移动并与驱动轴对齐。 手轮轴的与手轮相对的端部配备有可相对于压缩弹簧的力轴向移动的联接套筒。 连接套筒的面向驱动轴的端部具有凹槽，其槽的入口通过滑行斜坡在两侧变宽。 手动驱动器具有用于操作电动开关的装置，其布置在驱动电动机的电路中并且在手动驱动器的其余部分的状态下被关闭，并且当手轮轴接合时打开。

    Pulse-motor driving apparatus
    130.
    发明授权
    Pulse-motor driving apparatus 失效
    脉冲电机驱动装置

    公开(公告)号：US5998955A

    公开(公告)日：1999-12-07

    申请号：US846583

    申请日：1997-04-17

    申请人： Koji Nishioka

    发明人： Koji Nishioka

    IPC分类号： G05B11/28 ,  H02P8/00 ,  H02P8/12 ,  H02P8/14 ,  H02P8/22 ,  G05B11/18

    CPC分类号： H02P8/14 ,  G05B11/28

    摘要： For efficient pulse motor drive over a wide speed range, two drive-current control methods are switched in accordance with the speed of the pulse motor. As the first method, a PWM control method generates a pulsewidth modulation signal in accordance with a value indicated by a current control pattern. The pulse-motor drive current is controlled by voltage corresponding to the pulsewidth. As the second method, a BIT control method generates a digital signal corresponding to the value indicated by the current control pattern. The pulse-motor drive current is controlled by voltage corresponding to the digital value.

    摘要翻译： 为了在宽速度范围内实现高效的脉冲电机驱动，根据脉冲电机的速度切换两种驱动电流控制方式。 作为第一种方法，PWM控制方法根据由电流控制模式表示的值产生脉宽调制信号。 脉冲电机驱动电流由对应于脉冲宽度的电压控制。 作为第二种方法，BIT控制方法产生对应于由当前控制模式指示的值的数字信号。 脉冲电机驱动电流由对应于数字值的电压控制。