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System and method for optimizing furnace temperature of pesticide production waste liquid incinerator based on support vector machine
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A technology of support vector machines and incinerators, which is applied in combustion methods, incinerators, general control systems, etc., and can solve the problems of difficult to control furnace temperature, too low or too high furnace temperature, etc.
Inactive Publication Date: 2015-11-04
ZHEJIANG UNIV
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[0006] In order to overcome the disadvantages of the existing incinerators that the furnace temperature is difficult to control and prone to low or high furnace temperature, the present invention provides a pesticide production waste liquid incinerator that realizes accurate control of the furnace temperature and avoids the occurrence of too low or too high furnace temperature. Furnace temperature optimization system and method
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Embodiment 1
[0070] refer to figure 1 , figure 2 , the furnace temperature optimization system of the pesticide production waste liquid incinerator with support vector machine, including the on-site intelligent instrument 2 connected with the incinerator object 1, the DCS system and the upper computer 6, and the DCS system includes a data interface 3 and a control station 4 And database 5, described field smart instrument 2 is connected with data interface 3, and described data interface is connected with control station 4, database 5 and host computer 6, and described host computer 6 comprises:
[0071] The standardization processing module 7 is used to preprocess the model training samples input from the DCS database, centralize the training samples, that is, subtract the average value of the samples, and then standardize it:
[0072] Calculate the mean: TX ‾ = 1 N Σ i ...
Embodiment 2
[0101] refer to figure 1 , figure 2 , the method for optimizing the furnace temperature of the pesticide production waste liquid incinerator of the support vector machine, the specific implementation steps of the method are as follows:
[0102] 1) Determine the key variables used, collect the data of the variables when the production is normal from the DCS database as the input matrix of the training sample TX, and collect the corresponding furnace temperature to optimize the operating variable data as the output matrix O;
[0103] 2) Preprocess the model training samples input from the DCS database, and centralize the training samples, that is, subtract the average value of the samples, and then standardize them so that the mean value is 0 and the variance is 1. This processing is accomplished using the following algorithmic procedure:
[0104] 2.1) Calculate the mean: TX ‾ = 1 N ...
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Abstract
The invention discloses a pesticide production waste liquid incinerator temperature optimization system and method of a support vector machine. According to the method, the support vector machine and a fuzzy system are combined, a plurality of output results of the support vector machine are subjected to fuzzification, and accordingly accurate furnace temperature control results are obtained. A training sample is subjected to standardization processing module processing and is used as input of a fuzzy system module; a furnace temperature predicted value and an operation variable value which enables the furnace temperature to be optimum are obtained in the fuzzy system module which is connected with a result displaying module, the results are transmitted to a DCS; a model updating model is used for collecting field intelligent instrument signals according to the set sampling time intervals. Accuracy control of the furnace temperature and on-line train sample data updating are achieved, and the phenomena that the furnace temperature is too high or too low are avoided.
Description
technical field [0001] The invention relates to the field of pesticide production waste liquid incineration, in particular to a support vector machine-based system and method for optimizing the furnace temperature of a pesticide production waste liquid incinerator. Background technique [0002] With the rapid development of the pesticide industry, the environmental pollution of emissions has attracted great attention from governments and corresponding environmental protection departments. Researching and solving the standard discharge control and harmless minimization of pesticide organic waste liquid has not only become a difficulty and hot spot in scientific research in various countries, but also a scientific proposition that is urgently needed by the country related to the sustainable development of society. [0003] Incineration is currently the most effective, thorough and widely used method for dealing with pesticide residues and waste residues. During the incinerati...
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