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Compression of Machine Health Data

A health parameter and machine technology, applied in data processing applications, electrical digital data processing, digital data information retrieval, etc., can solve problems such as loss of extreme values, inability to see short-term peaks, and inability to determine whether it has reached the current level.

Pending Publication Date: 2021-03-12
EPRO 股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, only computing and saving the average parameter value over the time period results in the loss of extremes of this value
Can't see short-term spikes in averages chart
Therefore, when looking at the current level, it is not possible to determine based on historical data whether the current level was reached before

Method used

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  • Compression of Machine Health Data
  • Compression of Machine Health Data
  • Compression of Machine Health Data

Examples

Experimental program
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Embodiment Construction

[0056] figure 1 A machine health data collection and analysis system 10 is depicted including sensors, such as vibration sensors 16 , attached to the machine 12 . In other embodiments, parameters other than vibration may be sensed that are indicative of machine health, such as current or magnetic flux. figure 2 depicts the use of figure 1 The process 100 performed by the system 10 to collect, compress and analyze machine health data, and display the data in a graphical plot, which allows the operator to easily determine the overall health of the machine 12.

[0057] like figure 1 As shown, machine 12 may include at least one rotating assembly 14 such as a shaft supported by bearings B1, B2, and B3. Vibration sensor 16 generates a vibration signal indicative of vibration of machine 12, the vibration signal including vibration components associated with bearings B1, B2, and B3. In a preferred embodiment, vibration signals are received, conditioned, and converted to time-wav...

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Abstract

A computer-implemented method reduces an amount of machine health data to be stored in a data storage device while preserving details of extrema values occurring within incremental measurement time intervals in an extended time period during which the data were collected. The method includes: sensing an operational characteristic of a machine and generating an operational characteristic signal; generating machine health parameter data that include amplitude values and associated time values; for each incremental measurement time interval, calculating an average value of the amplitude values, identifying a maximum value of the amplitude values, and identifying a minimum value of the amplitude values; and storing a compressed machine health parameter data set in the data storage device. Thecompressed machine health parameter data set includes the calculated average values and the identified maximum and minimum values for the incremental measurement time intervals.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application claims US Provisional Patent Application No. 62 / 898,772, entitled "Integration of Machine Health Data Over Long Periods," and US Patent Application No. 16 / 914,647, entitled "Compression of Machine Health Data," Priority to the provisional patent application, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to the field of data storage. More particularly, the present invention relates to a system for storing machine health trend data over a long period of time, such as several years. Background technique [0004] In some cases involving the visualization of machine health trend data, it is desirable to see trends in values ​​over long periods of time or even years. However, storing this data over a long period of time requires a lot of storage space. [0005] One solution to the data storage problem is to determine and store only...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/174G06F16/2458G01D21/02
CPCG06F16/1744G06F16/2462G06F16/2474G01D21/02G06Q10/10H03M7/3059H03M7/70G16H40/63G06F17/18G16H40/20
Inventor 托马斯·威沃斯斯文·瓦尔默斯
Owner EPRO 股份有限公司
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