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    • 31. 发明授权
    • Slew rate detection circuit
    • 压摆率检测电路
    • US09285286B2
    • 2016-03-15
    • US14150416
    • 2014-01-08
    • Invensys Systems, Inc.
    • William M. Slechta
    • G01L9/00G05D1/08H03K19/003G01L13/02
    • G01L9/0041G01K5/46G01L13/025G05B23/0235G05D1/0883H03K19/00361
    • A sensing system comprising a sensor for generating an analog electrical signal indicative of a sensed physical property and an A/D converter for converting the analog electrical signal into a digital electrical signal. A control circuit connected to the A/D converter is configured to receive the digital electrical signal and to perform a plurality of sensing system operations including determining a measurement value of the physical property as a function of said received digital electrical signal. A slew rate detection circuit connected to the sensor is configured to detect when the analog electrical signal indicates a slew rate that exceeds a threshold value, and to generate an interrupt electrical signal when the slew rate is detected as exceeding the threshold value. The control circuit determines a measurement value of the physical property in response to receiving the interrupt signal.
    • 一种感测系统,包括用于产生指示感测物理特性的模拟电信号的传感器和用于将模拟电信号转换为数字电信号的A / D转换器。 连接到A / D转换器的控制电路被配置为接收数字电信号并且执行多个感测系统操作,包括根据所接收的数字电信号确定物理特性的测量值。 连接到传感器的转换速率检测电路被配置为检测模拟电信号何时表示超过阈值的转换速率,并且当检测到压摆率超过阈值时产生中断电信号。 响应于接收到中断信号,控制电路确定物理特性的测量值。
    • 37. 发明申请
    • Method and Apparatus for Monitoring a Signal
    • 用于监测信号的方法和装置
    • US20150263712A1
    • 2015-09-17
    • US14632204
    • 2015-02-26
    • Rockwell Automation Limited
    • Philip J. AgarMitchell Couper
    • H03K5/125H03K23/00
    • H03K5/125G01R31/2829G05B23/0235G05B2219/23201H03K5/08H03K21/023H03K23/00
    • A method of monitoring an analogue signal output from a sensor comprising comparing the amplitude of the analogue signal to a first high and low threshold, setting a primary monitoring signal to a first value when the amplitude of the analogue signal exceeds the first high threshold, setting the primary monitoring signal to a second value when the amplitude of the analogue signal decreases below the first low threshold, comparing the amplitude of the analogue signal to a second high and low threshold, setting a secondary monitoring signal to a first value when the amplitude of the analogue signal exceeds the second high threshold, setting the secondary monitoring signal to a second value when the amplitude of the analogue signal decreases below the second low threshold, comparing the primary and secondary monitoring signals and determining from the comparison whether an error exists with the monitoring of the analogue signal.
    • 一种监测从传感器输出的模拟信号的方法,包括将模拟信号的幅度与第一高低阈值进行比较,当模拟信号的幅度超过第一高阈值时,将初级监测信号设置为第一值,设置 当所述模拟信号的幅度降低到低于所述第一低阈值时,所述主监视信号为第二值,将所述模拟信号的幅度与第二高低阈值进行比较,当所述模拟信号的振幅为 模拟信号超过第二高阈值,当模拟信号的幅度降低到低于第二低阈值时,将辅助监控信号设置为第二值,比较主要和次要监控信号,并从比较中确定是否存在与 监控模拟信号。
    • 38. 发明申请
    • REMOTE ASSISTANT SYSTEM AND METHOD THEREFOR
    • 远程助理系统及其方法
    • US20150247783A1
    • 2015-09-03
    • US14665631
    • 2015-03-23
    • SINTOKOGIO, LTD.
    • Minoru KONDOKazuhisa SENOOKouichi KUSANO
    • G01M99/00
    • G01M7/00G01H1/003G01H11/06G01M13/028G01M13/045G01M15/12G05B19/02G05B23/0235
    • A remote assistant system capable of measuring a vibration velocity and then determining whether or not warning is required includes a vibration sensor unit which measures a vibration velocity, while transmitting information of a measured value of the measurement every ten minutes. A cloud server receives and saves the information of the measured value, while employing as an effective velocity value only a measured value within a range between an effective upper-limit velocity value and an effective lower-limit velocity value. Then, when a latest moving average value calculated by use of a latest effective velocity value and a saved effective velocity value exceeds a velocity threshold previously set as an upper limit for a vibration velocity in a case not requiring inspection, the cloud server transmits a warning e-mail to that effect to a previously set e-mail address.
    • 能够测量振动速度然后确定是否需要警告的远程辅助系统包括测量振动速度的振动传感器单元,同时每10分钟发送测量值的信息。 云服务器接收并保存测量值的信息,同时在有效上限速度值和有效下限速度值之间的范围内仅使用有效速度值的测量值。 然后,在不需要检查的情况下,当使用最新的有效速度值和保存的有效速度值计算的最新移动平均值超过预先设定为振动速度的上限的速度阈值时,云服务器发送警告 发送电子邮件到以前设置的电子邮件地址。