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    • 4. 发明授权
    • Adaptive integrated daylight and electric light control with multi-sensor for controlled-light distribution
    • 自适应综合日光和电光控制与多传感器控制光分布
    • US08941322B2
    • 2015-01-27
    • US14009612
    • 2012-04-04
    • Dagnachew Birru
    • Dagnachew Birru
    • H05B37/02
    • H05B37/02H05B37/0218Y02B20/46
    • A system and a method for controlling light distribution in a space including multiple installed light sources (111, 112, 221-223) and an external light source (103, 203). The method includes measuring the luminance levels of light from the multiple installed light sources (111, 112, 221-223) and the external light source (103, 203) at a plurality of measuring areas within the space, controlling the intensity level of each of the installed light sources (111, 112, 221-223) and the amount of light from the external light source entering the space (103, 203) based on the measured luminance levels, and tuning the intensity level of each of the installed light sources (111, 112, 221-223) and the amount of external light entering the space (103, 203) to optimize the conditions such that the mean-squared error between the measured luminance levels and pre-defined target luminance levels for the respective plurality of measuring areas is minimized, and the amount of energy consumed by the multiple installed light sources (111, 112, 221-223) is minimized.
    • 一种用于控制包括多个安装光源(111,112,221-223)和外部光源(103,203)的空间中的光分布的系统和方法。 该方法包括在空间内的多个测量区域处测量来自多个安装光源(111,112,221-223)和外部光源(103,203)的光的亮度水平,控制每个 的所安装的光源(111,112,221-223)和来自外部光源的光的量基于测量的亮度水平进入空间(103,203),并且调整每个所安装的光的强度水平 源(111,112,221-223)和进入空间(103,203)的外部光的量以优化条件,使得所测量的亮度水平和相应的预定目标亮度水平之间的均方误差 多个测量区域被最小化,并且由多个安装的光源(111,112,221-223)消耗的能量的量被最小化。
    • 5. 发明授权
    • Uncalibrated visual servoing using real-time velocity optimization
    • 未校准的视觉伺服采用实时速度优化
    • US08934003B2
    • 2015-01-13
    • US13519383
    • 2010-11-17
    • Aleksandra PopovicPaul Thienphrapa
    • Aleksandra PopovicPaul Thienphrapa
    • H04N7/18A61B19/00
    • B25J9/1697A61B34/20A61B34/30A61B90/361G06T7/246G06T2207/10068Y10S901/15Y10S901/47
    • A robotic control method for a camera (30) having an optical view and a robot (40) having an end-effector (42) and one or more joints (41) for maneuvering end-effector (42). The robotic control method involves an acquisition of a digital video frame (32) illustrating an image as optically viewed by the camera (30), and an execution of a visual servoing for controlling a pose of end-effector (42) relative to an image feature within the digital video frame (32). The visual servoing involves an identification of a tracking vector (vtrk) within an image coordinate system (80) of the digital video frame (32) extending from a tracking point (TR) to a target point (TG) associated with the image feature, a mapping of the tracking vector within a configuration space (100) constructed from a robotic coordinate system (90) associated with the end-effector (42), and a derivation of a pose of the end-effector (42) within the robotic coordinate system (90) from the mapping of the tracking vector (vtrk) within the configuration space (100).
    • 一种用于具有光学视图的照相机(30)和具有端部执行器(42)的机器人(40)和用于操纵端部执行器(42)的一个或多个关节(41)的机器人控制方法。 机器人控制方法涉及一种数字视频帧(32)的采集,该数字视频帧(32)示出由照相机(30)光学观看的图像,以及执行用于控制相对于图像的末端执行器(42)的姿势的视觉伺服 特征在数字视频帧(32)内。 视觉伺服涉及从跟踪点(TR)延伸到与图像特征相关联的目标点(TG)的数字视频帧(32)的图像坐标系(80)内的跟踪矢量(vtrk)的识别, 在由与所述末端执行器(42)相关联的机器人坐标系(90)构造的配置空间(100)内的所述跟踪矢量的映射以及所述机器人坐标系中所述末端执行器(42)的姿态的推导 系统(90)从配置空间(100)内的跟踪矢量(vtrk)的映射。
    • 6. 发明授权
    • System and method for maintaining performance of battery-operated toothbrushes
    • 用于维持电池操作牙刷性能的系统和方法
    • US08766568B2
    • 2014-07-01
    • US13755762
    • 2013-01-31
    • Koninklijke Philips Electronics N.V.
    • Wolter BenningAri LumbantobingKevin Miller
    • H02P1/00
    • A61C17/221
    • The system periodically measures the battery voltage of the toothbrush and the current in a stator portion of the motor for the appliance. The amplitude of movement of the toothbrush workpiece is determined from the measured stator current. A circuit/control program changes the duty cycle or pulse width of the drive signal from the motor if the battery voltage drops below a first threshold value and a circuit or control program changes the drive frequency of the appliance if the amplitude of the workpiece movement falls below a first threshold value. A circuit/control program terminates the operation of the toothbrush if the voltage drops below a second threshold value or if the amplitude drops below a second threshold value, both of which are less than the respective first thresholds.
    • 系统周期性地测量牙刷的电池电压和用于器具的电动机的定子部分中的电流。 从测量的定子电流确定牙刷工件的运动幅度。 如果电池电压低于第一阈值,则电路/控制程序改变来自电动机的驱动信号的占空比或脉冲宽度,并且如果工件运动的幅度下降,则电路或控制程序改变器具的驱动频率 低于第一阈值。 如果电压下降到第二阈值以下,或者如果振幅低于第二阈值,则电路/控制程序终止牙刷的操作,这两者都小于相应的第一阈值。
    • 7. 发明授权
    • Formation of a time-varying signal representative of at least variations in a value based on pixel values
    • 形成代表基于像素值的值的至少变化的时变信号
    • US09025826B2
    • 2015-05-05
    • US14044976
    • 2013-10-03
    • Koninklijkle Philips N.V.
    • Ihor KirenkoVincent JeanneGerard de Haan
    • G06K9/00G06T7/00G06T7/20
    • G06T7/0038G06T7/20G06T7/38G06T2207/30076
    • A method of forming a time-varying signal representative of at test variations in a value based on pixel values from a sequence of images, the signal corresponding in length to the sequence of images, includes obtaining the sequence of images. A plurality of groups of sub-sets of pixel values are formed by selecting a sub-set of at least one pixel value from each of at least two images defining an interval to form a group of associated sub-sets using at least one of a different aperture and a different interval length for groups defined on different intervals of the sequence. Groups of sub-sets are selected to form the signal to cover different intervals of the sequence of images by obtaining spatio-temporal volumes of pixel values from a sequence of images at least based on the received sequence of images. Each volume includes pixel values within a spatial aperture from each image within an interval of the sequence.
    • 一种基于来自图像序列的像素值形成表示测试变化的时变信号的方法,其长度与图像序列对应的信号包括获得图像序列。 通过从限定间隔的至少两个图像中的至少一个图像中选择至少一个像素值的子集来形成多个像素值组,以形成一组相关联的子集,使用以下各项中的至少一个: 对于在该序列的不同间隔上定义的组,不同的孔径和不同的间隔长度。 通过从至少基于接收到的图像序列的图像序列中获得像素值的时空体积来选择子集的组以形成信号以覆盖图像序列的不同间隔。 每个体积包括在序列的间隔内的每个图像的空间孔径内的像素值。