A Soft Filtering Algorithm and Filtering System for Analog Quantity Acquisition

A filtering algorithm and analog technology, applied in the direction of program control devices, etc., can solve the problems of signal jumping, inaccurate signal data, etc., and achieve the effect of avoiding wrong data collection, smoothing data curves, and facilitating statistics and processing related information.

Active Publication Date: 2018-04-17
YANTAI WISCLOUD CLOUD COMPUTING
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AI Technical Summary

Problems solved by technology

However, in the current analog signal acquisition, when affected by the external environment, the collected signal will jump greatly, resulting in inaccurate signal data

Method used

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  • A Soft Filtering Algorithm and Filtering System for Analog Quantity Acquisition

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Embodiment Construction

[0022] Below in conjunction with embodiment, further illustrate the present invention.

[0023] see figure 1 , in this embodiment, the sensor uploads the collected current data to the controller of a certain device, and the controller implements the analog acquisition soft filtering algorithm through the program to obtain a set of more accurate data or a smooth control curve, so that the system runs more accurate and stable. The specific method is:

[0024] (1) The sensor collects the required analog data of physical quantities such as liquid level, temperature, and gas content through the corresponding components such as the probe or the shooting tube, and the controller converts the collected analog signal uploaded by the sensor into a digital signal. And stored in the storage space of the CPU.

[0025] (2) Record the number of data in the storage space in real time, and place the processed data in an array, which is convenient for statistics and processing of related inf...

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Abstract

The invention provides a soft filtering algorithm and a soft filtering system for analog quantity acquisition, including a set of sensors and a controller, and is characterized in that it includes the following steps: (1) The controller receives the current data collected by the sensor and converts the current data into Digital data, and stored in the storage space of the controller; (2) Record the number of data in the storage space in real time, and place the processed data in an array, which is convenient for statistics and processing related information; (3) The controller judges If the number of data does not reach the pre-set n number, the current data will be passed to the controller and the current data will be displayed; (4) Arrange the n data in the array in ascending order from small to large; (5) Arrange the data in the array (6) Sum the remaining data to get the total value and calculate the average value; (7) Display the obtained average value on the corresponding display module.

Description

technical field [0001] The invention relates to the field of an analog quantity acquisition algorithm, in particular to a soft filter algorithm and a filter system for analog quantity acquisition. Background technique [0002] In modern industrial production, many devices need to collect analog signals. The collection and processing of analog input signals is a relatively common control content. The industrial data acquisition system is the core part of the industrial control and monitoring system and is widely used in power , to reduce production costs during production, improve production efficiency, and at the same time ensure the safety and stability of production. But in the current analog signal acquisition, when affected by the external environment, the collected signal will jump greatly, resulting in inaccurate signal data. Therefore, there is an urgent need for a method that can process the erroneous signal data collected due to the influence and obtain accurate da...

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): G06F9/44
Inventor胡克会任海春
OwnerYANTAI WISCLOUD CLOUD COMPUTING