Semi-tensor product temperature control method for vegetable waste fermentation

A temperature control method and vegetable waste technology are applied in the direction of temperature control using electric methods and auxiliary controllers with auxiliary heating devices. The effect of improving accuracy

Inactive Publication Date: 2015-09-09
QILU UNIV OF TECH
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  • Description
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Problems solved by technology

The core of fuzzy control is the fuzzy rule knowledge base. The fuzzy rule base formulated by general expert experience obviously cannot deal with the complex multivariable system of vegetable waste fermentation.

Method used

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  • Semi-tensor product temperature control method for vegetable waste fermentation

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Embodiment Construction

[0023] Accompanying drawing is a kind of specific embodiment of the present invention. The steps of this embodiment are:

[0024] 1) The temperature sensor measurement point set inside the fermentation reactor measures the real-time temperature of the fermentation reaction, and collects and analyzes these data. Obtain the comparison value between the measured temperature and the suitable temperature, the difference between the measured temperature and the suitable temperature, the change trend of the actual temperature, the change rate of the actual temperature, the switching mode of hot and cold water, the speed of the mixer, the valve opening of the water medium flow control .

[0025] 2) Fuzzify the data of the input variable through the set fuzzy set and membership function, and then apply the matrix semi-tensor product theory to express it in a logical form as a fuzzy rule base.

[0026] 3) Organize and optimize the fuzzy rule base, perform matrix operation of semi-tens...

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Abstract

The invention belongs to the technical field of vegetable waste disposal through biological fermentation, and particularly relates to a semi-tensor product temperature control method for vegetable waste fermentation. Aiming at a special complex system of microbial fermentation, fuzzy optimization control is performed on the temperature of vegetable waste fermentation by applying a matrix semi-tensor product theory, an input variable and an output variable are fuzzified, and the input variable and the output variable are expressed in a logic form by the matrix semi-tensor product theory and used as a fuzzy rule base; the fuzzy rule base is sorted and optimized, and matrix operation and minimum in-degree reduction of semi-tensor product are carried out to obtain a structure matrix to express the fuzzy relation between the input variable and the output variable; and the input variable is fuzzified, the structure matrix is used to perform fuzzy reasoning to obtain a reasoning output variable, and defuzzification operation is performed on the output variable to obtain an actual control output parameter to control an output actuator.

Description

(1) Technical field [0001] The invention belongs to the technical field of biological fermentation treatment of vegetable waste, in particular to a semi-tensor product temperature control method for vegetable waste fermentation. (2) Background technology [0002] With the increase of vegetable planting area in our country, vegetable waste is increasing day by day, and planting waste has become one of the problems in the development of facility agriculture and rural ecological environment in our country. Vegetable greenhouses and greenhouses produce a large amount of planting waste such as vegetable residues, weeds, and pulled out diseased plants every year, which are often discarded and piled outside the shed. Vegetable waste has high water content and is easy to rot, which breeds mosquitoes and flies Pests and germs etc. Planting waste is rich in nutrients, and discarded as waste, not only pollutes the environment, but also causes a great waste of resources. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/30
Inventor 王佐勋刘鹏
Owner QILU UNIV OF TECH
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