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    • 4. 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。
    • 6. 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。
    • 9. 发明授权
    • Instrument power controller and method for adaptively providing an output voltage and an output current that together maintain a substantially constant electrical output power
    • 仪器功率控制器和方法,用于自适应地提供一起保持基本上恒定的电输出功率的输出电压和输出电流
    • US08332168B2
    • 2012-12-11
    • US12664528
    • 2007-06-28
    • William M Mansfield
    • William M Mansfield
    • G06F19/00G05F5/00H02M5/42
    • G01F1/8477G01F1/8413G01F1/8431G01F1/8436G01F15/024
    • An instrument power controller (120) for adaptively providing an output voltage VO and an output current IO that together maintain a substantially constant electrical output power PO is provided. The controller (120) includes inputs (121) for receiving an input power PI, outputs (122) for providing the substantially constant output power PO to a variable impedance load L, and a communication path (126) for receiving a load voltage VL. The instrument power controller (120) is configured to determine an input voltage VI and an input current II, determine an effective resistance RL of the load L and set the output voltage VO and the output current IO based on the input voltage VI, the input current II, and the effective resistance RL. The output voltage VO is substantially independent from the input voltage VI. The output voltage VO and the output current IO are varied to maximize a load power PL while maintaining the substantially constant electrical output power PO.
    • 提供一种用于自适应地提供一起保持基本上恒定的电输出功率PO的输出电压VO和输出电流IO的仪表功率控制器(120)。 控制器(120)包括用于接收输入功率PI的输入(121),用于向可变阻抗负载L提供基本上恒定的输出功率PO的输出(122)和用于接收负载电压VL的通信路径(126)。 仪器功率控制器(120)被配置为确定输入电压VI和输入电流II,确定负载L的有效电阻RL,并且基于输入电压VI设置输出电压VO和输出电流IO 电流II和有效电阻RL。 输出电压VO基本上独立于输入电压VI。 改变输出电压VO和输出电流IO以使负载功率PL最大化,同时保持基本恒定的电输出功率PO。