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    • 1. 发明授权
    • Meter electronics and methods for generating a drive signal for a vibratory flowmeter
    • 用于产生振动流量计的驱动信号的仪表电子装置和方法
    • US08260562B2
    • 2012-09-04
    • US13049646
    • 2011-03-16
    • Timothy J CunninghamWilliam M MansfieldCraig B McAnally
    • Timothy J CunninghamWilliam M MansfieldCraig B McAnally
    • G01F15/00G01F5/00G01F1/00G01F1/20G01N11/00
    • G01F1/8477G01F1/8413G01F1/8436G01F15/024
    • A meter electronics (20) for generating a drive signal for a vibratory flowmeter (5) is provided according to an embodiment of the invention. The meter electronics includes an interface (201) and a processing system (203). The processing system is configured to receive the sensor signal (201) through the interface, phase-shift the sensor signal (210) substantially 90 degrees to create a phase-shifted sensor signal, determine a phase shift value from a frequency response of the vibratory flowmeter, and combine the phase shift value with the sensor signal (201) and the phase-shifted sensor signal in order to generate a drive signal phase (213). The processing system is further configured to determine a sensor signal amplitude (214) from the sensor signal (210) and the phase-shifted sensor signal, and generate a drive signal amplitude (215) based on the sensor signal amplitude (214), wherein the drive signal phase (213) is substantially identical to a sensor signal phase (212).
    • 根据本发明的实施例,提供了一种用于产生振动流量计(5)的驱动信号的仪表电子设备(20)。 仪表电子设备包括接口(201)和处理系统(203)。 所述处理系统被配置为通过所述接口接收所述传感器信号(201),将所述传感器信号(210)基本上相移90度,以产生相移传感器信号,从所述振动的频率响应确定相移值 流量计,并将相移值与传感器信号(201)和相移传感器信号组合,以产生驱动信号相位(213)。 处理系统还被配置为根据传感器信号(210)和相移传感器信号确定传感器信号幅度(214),并且基于传感器信号幅度(214)产生驱动信号幅度(215),其中 驱动信号相位(213)基本上与传感器信号相位(212)相同。
    • 2. 发明授权
    • Meter electronics and methods for generating a drive signal for a vibratory flowmeter
    • 用于产生振动流量计的驱动信号的仪表电子装置和方法
    • US07983855B2
    • 2011-07-19
    • US12066910
    • 2006-09-13
    • Timothy J. CunninghamWilliam M MansfieldCraig B McAnally
    • Timothy J. CunninghamWilliam M MansfieldCraig B McAnally
    • G01F15/00
    • G01F1/8477G01F1/8413G01F1/8436G01F15/024
    • A meter electronics (20) for generating a drive signal for a vibratory flowmeter (5) is provided according to an embodiment of the invention. The meter electronics includes an interface (201) and a processing system (203). The processing system is configured to receive the sensor signal (201) through the interface, phase-shift the sensor signal (210) substantially 90 degrees to create a phase-shifted sensor signal, determine a phase shift value from a frequency response of the vibratory flowmeter, and combine the phase shift value with the sensor signal (201) and the phase-shifted sensor signal in order to generate a drive signal phase (213). The processing system is further configured to determine a sensor signal amplitude (214) from the sensor signal (210) and the phase-shifted sensor signal, and generate a drive signal amplitude (215) based on the sensor signal amplitude (214), wherein the drive signal phase (213) is substantially identical to a sensor signal phase (212).
    • 根据本发明的实施例,提供了一种用于产生振动流量计(5)的驱动信号的仪表电子设备(20)。 仪表电子设备包括接口(201)和处理系统(203)。 所述处理系统被配置为通过所述接口接收所述传感器信号(201),将所述传感器信号(210)基本上相移90度,以产生相移传感器信号,从所述振动的频率响应确定相移值 流量计,并将相移值与传感器信号(201)和相移传感器信号组合,以产生驱动信号相位(213)。 处理系统还被配置为根据传感器信号(210)和相移传感器信号确定传感器信号幅度(214),并且基于传感器信号幅度(214)产生驱动信号幅度(215),其中 驱动信号相位(213)基本上与传感器信号相位(212)相同。