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Vibration meter and method of predicting and reducing noise in its sensor signal

A sensor signal and measuring instrument technology, applied in mass flow measurement devices, instruments, specific gravity measurement, etc., can solve problems such as intermodulation distortion

Active Publication Date: 2022-02-22
MICRO MOTION INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the multi-tone approach may introduce intermodulation distortion

Method used

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  • Vibration meter and method of predicting and reducing noise in its sensor signal
  • Vibration meter and method of predicting and reducing noise in its sensor signal
  • Vibration meter and method of predicting and reducing noise in its sensor signal

Examples

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Embodiment Construction

[0052] Figure 1 to Figure 17 And the following description depicts specific examples of the best mode of implementation that teach those skilled in the art how to make and use the implementations that predict and reduce noise in vibrating meters. For the purpose of teaching inventive principles, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these examples that fall within the scope of the description. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations that predict and reduce noise in vibrating meters. As a result, the embodiments described below are not limited to the specific examples described below, but only by the claims and their equivalents.

[0053] Noise can be reduced by generating a compensation signal. The compensation signal may be an inverse weighted signal applied to the drive signal provided to the sensor a...

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Abstract

A vibrating meter (5, 1600) configured to predict and reduce noise in the vibrating meter (5, 1600). A vibrating meter (5, 1600) includes a sensor assembly (10, 1610) and meter electronics (20, 1620) in communication with the sensor assembly (10, 1610). The meter electronics (20, 1620) is configured to: provide a drive signal to the sensor assembly (10, 1610); receive a sensor signal having one or more components from the sensor assembly (10, 1610); and generate a sensor signal to be applied to one of the sensor signal and the drive signal to compensate for one or more component signals.

Description

technical field [0001] The embodiments described below relate to noise in sensor signals in vibrating meters, and more particularly, to predicting and reducing noise in vibrating meters. Background technique [0002] Vibrating meters such as, for example, Coriolis mass flow meters, liquid density meters, gas density meters, liquid viscometers, gas / liquid pycnometers, gas / liquid relative density meters and gas molecular weight meters are generally known And used to measure the properties of the fluid. Typically, a meter includes a sensor assembly and an electronics section. The material within the sensor assembly can be flowing or stationary. Each type of sensor can have unique characteristics that must be considered for optimal performance of the meter. For example, some sensors may require the tube equipment to vibrate at a specific level of displacement. Other sensor component types may require special compensation algorithms. [0003] Meter electronics typically incl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/84G01F25/10
CPCG01N9/002G01F1/8431G01F1/8436G01F25/10
Inventor 马修·约瑟夫·伦辛克里斯托弗·乔治·拉森
Owner MICRO MOTION INC
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