A method for synchronizing real-time data of online single cigarette quality in cigarette rolling process one by one

Abstract

The invention provides a method for online real-time single cigarette quality data one-by-one synchronization method during a cigarette rolling process. The method comprises the following steps: stepone, establishing a shift register; step two, monitoring a machine synchronization pulse and SE-to-MAX cigarette connecting signal continuously; step three, under the condition of existence of the synchronization pulse of the machine and the SE-to-MAX cigarette connecting signal, inputting a detecting value corresponding to the cigarette at a current time in an SE state into the shift register oneby one; step four, monitoring a cigarette existence detector of a MAX cigarette detection system continuously under the condition of continuous relay flowing of the cigarette at a MAX part; step five, representing imminent entrance of a cigarette into the cigarette detection system under the condition of having a rising edge in the cigarette existence detector signal and inputting a detecting value of the MAX cigarette detection system into the shift register one by one; step six, representing a state of arrival of the cigarette at a MAX outlet by a cigarette outlet sensor and inputting a cigarette track number, a time stamp, and a cigarette state one cigarette by one cigarette under the condition of having a rising edge signal by the sensor; step seven, carrying out caching; and step eight, carrying out compression.

Description

technical field [0001] The invention relates to a method for real-time synchronization of single cigarette detection data of all quality sensors integrated in a cigarette machine equipment control system in the tobacco industry. Background technique [0002] In the process of cigarette product design and development, manufacturing process quality control, product delivery inspection, etc., it is necessary to obtain a large amount of data related to product quality indicators, and then use corresponding statistical methods to judge or correlate the above physical indicators, etc. Then guide the design, manufacturing process optimization and process quality control of cigarette products. Such processes tend to have the following two characteristics: [0003] (1) The method of sampling inspection is adopted: that is, among the total samples of cigarettes that meet certain conditions, a corresponding sampling plan is formulated according to the acceptance probability, a small n...

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Problems solved by technology

[0006] (1) Sampling inspection is to infer the quality level of the whole batch based on the inspection results of small samples, and there will inevitably be risks of α error and β error

[0007] (2) Sampling inspection can only reflect whether a small sample is "normal" or not, and it is difficult or even unable to reflect whether the production process is "normal" or not

[0008] (3) Offline inspection can only detect product quality characteristic indicators, but cannot correspond to and restore the process characteristic state under a certain quality characteristic

[0009] (4) Since the inspection is based on the "offline" method, when product quality problems are found, there is often a long lag, and it is impossible to respond and deal with batch abnormalities in production quickly and accurately in real time

[0011] According to technical analysis, there are two main reasons why domestic tobacco industry enterprises adopt the above methods: 1) because the development of quality sensor technology is not sufficient enough to cover all the above indicators; 2) because cigarettes The production speed of the cigarette machine is very fast, and the fastest production speed in the industry is 20,000 cigarettes / minute (about 3ms / cigarette). The traditional electronic control technology of cigarette machines does not have the ability to synchronize the online real-time data of its sensors one by one in real time.

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