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    • 2. 发明授权
    • Digital current differential system
    • 数字电流差动系统
    • US06456947B1
    • 2002-09-24
    • US09698549
    • 2000-10-30
    • Mark Gerard AdamiakGeorge Edmund AlexanderWilliam James PremerlaniEmilie Thorbjorg SaulnierBirsen Yazici
    • Mark Gerard AdamiakGeorge Edmund AlexanderWilliam James PremerlaniEmilie Thorbjorg SaulnierBirsen Yazici
    • G01R3100
    • H02H7/263G01R19/25H02H3/05H02H3/28H02H3/40H02H7/045
    • A method of detecting faults on a power transmission line system includes simultaneously measuring phase current samples at each phase of each transmission terminal; calculating real and imaginary phaselets comprising partial sums of the phase current samples; for each phaselet, calculating a respective partial sum of squares of each phase current sample; calculating the sums of the real and imaginary phaselets over a variable size sliding sample window; calculating real and imaginary phasor components from the phaselets and a sum of the partial sums of the squares over the sample window; using the sums of the real and imaginary phaselets, the real and imaginary phasor components, and the sum of the partial sums of the squares to calculate a sum of squares of errors between the phase current samples and a fitted sine wave representative of the real and imaginary phasor components; using the sum of squares of errors to calculate a variance matrix defining an elliptical uncertainty region; determining whether a disturbance has occurred, and, if so, re-initializing the sample window; and determining whether a sum of current phasors from each terminal for a respective phase falls outside of the elliptical uncertainty region for the respective phase.
    • 一种检测输电线路系统故障的方法,包括同时测量每个发送终端各相的相电流采样; 计算包括所述相电流样本的部分和的实部和虚拟相位元; 对于每个阶段,计算每个相电流样本的相应部分平方和; 在可变尺寸的滑动样本窗口上计算实数和虚拟相位的和; 从相位图计算实部和虚部相量分量,以及样本窗口上的平方的部分和的总和; 使用实数和虚拟相位的总和,实相和虚相量分量,以及平方的部分和的和来计算相电流样本和拟合的正弦波之间的平方和之和,所述拟合正弦波表示实数和 假想相量分量; 使用误差平方和来计算定义椭圆不确定区域的方差矩阵; 确定是否发生干扰,如果是,则重新初始化样本窗口; 以及确定来自各个相位的每个终端的电流相量的和是否落在相位相位的椭圆不确定区域之外。
    • 3. 发明授权
    • Digital current differential system
    • 数字电流差动系统
    • US06311307B1
    • 2001-10-30
    • US09104760
    • 1998-06-25
    • Mark Gerard AdamiakGeorge Edmund AlexanderWilliam James PremerlaniEmilie Thorbjorg SaulnierBirsen Yazici
    • Mark Gerard AdamiakGeorge Edmund AlexanderWilliam James PremerlaniEmilie Thorbjorg SaulnierBirsen Yazici
    • G06F1100
    • H02H7/263G01R19/25H02H3/05H02H3/28H02H3/40H02H7/045
    • A method of detecting faults on a power transmission line system includes simultaneously measuring phase current samples at each phase of each transmission terminal; calculating real and imaginary phaselets comprising partial sums of the phase current samples; for each phaselet, calculating a respective partial sum of squares of each phase current sample; calculating the sums of the real and imaginary phaselets over a variable size sliding sample window; calculating real and imaginary phasor components from the phaselets and a sum of the partial sums of the squares over the sample window; using the sums of the real and imaginary phaselets, the real and imaginary phasor components, and the sum of the partial sums of the squares to calculate a sum of squares of errors between the phase current samples and a fitted sine wave representative of the real and imaginary phasor components; using the sum of squares of errors to calculate a variance matrix defining an elliptical uncertainty region; determining whether a disturbance has occurred, and, if so, re-initializing the sample window; and determining whether a sum of current phasors from each terminal for a respective phase falls outside of the elliptical uncertainty region for the respective phase.
    • 一种检测输电线路系统故障的方法,包括同时测量每个发送终端各相的相电流采样; 计算包括所述相电流样本的部分和的实部和虚拟相位元; 对于每个阶段,计算每个相电流样本的相应部分平方和; 在可变尺寸的滑动样本窗口上计算实数和虚拟相位的和; 从相位图计算实部和虚部相量分量,以及样本窗口上的平方的部分和的总和; 使用实数和虚拟相位的总和,实相和虚相量分量,以及平方的部分和的和来计算相电流采样和拟合的正弦波之间的平方和之和,所述拟合正弦波表示实数和 假想相量分量; 使用误差平方和来计算定义椭圆不确定区域的方差矩阵; 确定是否发生干扰,如果是,则重新初始化样本窗口; 以及确定来自各个相位的每个终端的电流相量的和是否落在相位相位的椭圆不确定区域之外。
    • 5. 发明授权
    • Monitoring and control system for monitoring the boil state of contents
of a cooking utensil
    • 用于监测炊具内容物煮沸状态的监控系统
    • US6118105A
    • 2000-09-12
    • US356965
    • 1999-07-19
    • Ertugrul BerkcanEmilie Thorbjorg SaulnierPaul Randall WilsonVivek Venugopal Badami
    • Ertugrul BerkcanEmilie Thorbjorg SaulnierPaul Randall WilsonVivek Venugopal Badami
    • H05B1/02H05B3/74
    • H05B1/0266H05B3/746H05B2213/04H05B2213/07
    • A monitoring and control system for monitoring the boil states of the contents of a cooking utensil located on a cooking surface of a cooktop, indicating the state to a user, and controlling the energy applied to the cooking surface, which may be a glass ceramic. The system includes at least one controllable heat source located below the lower surface of the cooktop so as to heat the cooktop and cooking utensil, at least one sensor located in proximity to the cooktop, which senses the temperature of at least one of the cooktop and the cooking utensil, at least one power indicative signal, and a signal processing device receiving a temperature signal from the sensor, and the power indicative signal. The signal issued by the sensor is representative of the temperature of either the cooktop, or the cooking utensil. In one embodiment the signal processing device detects a plateau in the sensor and power indicative signals, which is indicative of the boiling of the contents of the cooking utensil, or an increase in the rise of the sensor signal, which is indicative of a boil-dry condition in the cooking utensil. The signal processing device optionally is connected to a control device which automatically reduces the temperature of the heat source upon the occurrence of these conditions, or which provides an indication to the user that such conditions have occurred. Determining the boil states, such as boiling, boil-over and boil-dry for the contents of a cooking utensil on a glass ceramic cooktop is achieved by noting that a characteristic response exists in the signal generated by a temperature indicative sensor or the power indicative signal as the temperature of the contents of a cooking utensil on a glass ceramic cooktop approaches a boiling point.
    • 一种监视和控制系统,用于监测位于炉灶的烹饪表面上的烹饪器具的内容物的煮沸状态,指示用户的状态,以及控制施加到烹饪表面的能量,其可以是玻璃陶瓷。 该系统包括位于炉灶面下表面下方的至少一个可控制的热源,以便加热炉灶和烹饪用具,位于炉灶面附近的至少一个传感器,该传感器检测炉灶面和炉灶面中的至少一个的温度, 炊具,至少一个功率指示信号,以及从传感器接收温度信号的信号处理装置和功率指示信号。 传感器发出的信号代表炉灶或炊具的温度。 在一个实施例中,信号处理装置检测传感器中的平稳度和指示炊具内容物沸腾的功率指示信号,或传感器信号上升的增加,其指示沸腾 - 炊具干燥。 信号处理设备可选地连接到控制设备,该控制设备在发生这些状况时自动降低热源的温度,或者向用户提供了已经发生这种状况的指示。 确定玻璃陶瓷炉灶上的炊具内容物的沸腾状态,例如沸腾,煮沸和煮沸,这是通过注意到由温度指示传感器产生的信号或指示功率的信号存在特征响应来实现的 随着玻璃陶瓷灶台上的烹饪用具的内容物的温度接近沸点而发出信号。
    • 9. 发明授权
    • Long term calibration of sensor assembly for glass-ceramic cooktop appliance
    • 用于玻璃陶瓷灶具的传感器组件的长期校准
    • US06538238B1
    • 2003-03-25
    • US09683768
    • 2002-02-12
    • Ertugrul BerkcanEmilie Thorbjorg Saulnier
    • Ertugrul BerkcanEmilie Thorbjorg Saulnier
    • H05B102
    • H05B3/746
    • A sensor assembly for glass-ceramic cooktop appliances includes an optical detector having an reference component and an active component. The active component is arranged to receive radiation from the glass-ceramic plate, and the reference component is insulated from radiation from the glass-ceramic plate. The sensor assembly further includes a temperature sensor and a heater located adjacent to the reference component and a controller having a first input connected to the optical detector and a second input connected to the temperature sensor. The controller is responsive to the optical detector and the temperature sensor to calibrate the sensor assembly. Calibration is accomplished by noting the temperature reading of the temperature sensor after the burner assembly has not been used for a predetermined period of time to obtain a first calibration point. Then, the burner assembly is activated so that the temperature of the glass-ceramic plate is raised, and the output of the optical detector is noted. Next, an exciting circuit is used to heat the reference component. When the output of the optical detector reaches zero, the temperature reading of the temperature sensor is noted and used with the noted optical detector output to obtain a second calibration point. The first and second calibration points are used to calibrate the sensor assembly.
    • 用于玻璃 - 陶瓷灶具的传感器组件包括具有参考部件和活性部件的光学检测器。 活性组分被布置成接收来自玻璃 - 陶瓷板的辐射,并且参考组件与来自玻璃 - 陶瓷板的辐射绝缘。 传感器组件还包括温度传感器和邻近参考部件的加热器,以及控制器,其具有连接到光学检测器的第一输入端和连接到温度传感器的第二输入端。 控制器响应于光学检测器和温度传感器来校准传感器组件。 通过在燃烧器组件未被使用预定时间段之后注意温度传感器的温度读数以获得第一校准点来实现校准。 然后,激活燃烧器组件,使得玻璃陶瓷板的温度升高,并且注意到光学检测器的输出。 接下来,使用激励电路来加热参考部件。 当光学检测器的输出达到零时,记录温度传感器的温度读数并与所述光学检测器输出一起使用以获得第二校准点。 第一和第二校准点用于校准传感器组件。