Data fusion method for gas sensor array

A gas sensor and data fusion technology, applied in instruments, scientific instruments, complex mathematical operations, etc., can solve problems such as multi-sensor data fusion, achieve effective fusion, and improve global search capabilities.

Active Publication Date: 2020-11-27
ANYANG NORMAL UNIV
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Problems solved by technology

[0004] Aiming at the problems existing in the prior art, the present invention first improves the atomic search algorithm, and then applies it to the optimal combined search of the weighting coefficient and ambiguity value of the generalized average algorithm, thereby solving the multi-sensor data fusion problem of the gas sensor array

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  • Data fusion method for gas sensor array
  • Data fusion method for gas sensor array
  • Data fusion method for gas sensor array

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Embodiment Construction

[0043] The present invention will be described in more detail below in conjunction with the accompanying drawings.

[0044] 1. Atomic Search Algorithm

[0045]The atomic search algorithm is a heuristic intelligent algorithm inspired by the principle of molecular dynamics. This algorithm simulates the influence of the attractive and repulsive forces existing between atoms at different positions on the motion state of the atoms, and uses the mass of the atoms to measure whether the atoms in the search space are in the optimal position. The heavier the atom, the greater the search position. The better the solution. Because lighter atoms move toward heavier atoms with greater acceleration, a potential optimal position can be found in the entire search space, while heavier atoms produce a smaller acceleration, and the optimal position can be found in the local search space. Location. When using the atomic search algorithm to solve the optimization problem, the optimal position o...

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Abstract

The invention discloses a data fusion method for a gas sensor array. A traditional atom search algorithm is improved by adopting a dynamic self-adaptive position updating coefficient and Gaussian mutation operation; seven standard test functions are used to carry out optimization performance test on the improved atom search algorithm; finally, the minimum value of the test function can be found. In addition, in all the seven test functions, the sum of the precision and the convergence rate of the algorithm is superior to those of FOA, PSO and GA algorithms, the algorithm is applied to a generalized average algorithm of gas sensor array data fusion, and the result shows that a satisfactory gas sensor array data fusion result can be successfully obtained by applying the method.

Description

technical field [0001] The invention specifically relates to a gas sensor array data fusion method, which belongs to the technical field of gas sensor array detection data processing. Background technique [0002] A single gas sensor usually has cross-sensitivity characteristics. When applied to a very complex test environment, the performance of a single device can no longer meet the technical requirements of actual measurement accuracy. Using multiple gas sensors to form a sensor array and combining it with pattern recognition technology to build an intelligent sensor system can not only solve the selectivity problem of a single gas sensor, but also obtain sensitivity and stability better than a single device. After the multi-sensor data output by the gas sensor array is collected, processed, and processed, it needs to be converted into sensory evaluation index values ​​or component concentration values ​​using multi-sensor data fusion technology. Multi-sensor data fusion...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/10G06K9/62G01N33/00
CPCG06F17/10G01N33/0031G01N33/0062G06F18/25
Inventor 高相铭刘昴程新龙丁电宽张文静
Owner ANYANG NORMAL UNIV
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