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In this study, a feature dimensionality reduction strategy is proposed to reduce the feature dimensionality of the electronic nose (e‐nose) sensor, combined with support vector machine (SVM) to distinguish the gas information of eggs produced by chickens with different breeding methods. First, to characterize the overall properties of the original detection signal, five different time domain features...
This paper presents a video recording SoC fabricated in 65nm low-power technology, which integrates a complexity and bandwidth-effective H.264 encoder, an ultra-low-power (ULP) MPU, with timing-optimized ROM and 8T SRAM macros for ultra-low-voltage (ULV) operation, a 512Kb ULV and leakage-aware 8T SRAM for the frame buffer (FB), and various on-chip peripherals, such as external memory interfaces (Fig...
Use electronic nose to detect the feed vinegar. It is to seek a kind of fast and effective method to recognize the vinegar. FCM clustering techniques which is often used has successfully dealing with many clustering problem. This paper integrates Fuzzy c-means (FCM), the simplex method and Particle Swarm Optimization (PSO) to a new kind of clustering algorithm, referred as FSPSO algorithm. The FSPSO...
This paper presents a new technology using Bismuth-film to determinate lead instead of mercury film. It is proved in the experiment that, in the optimum measuring situation (when the pH is 4, deposition time is 150s, and the deposition potential is 0.8.), the lead concentration and stripping peak current shows a good linear relationship in the measuring range of 10 to 110ug/L, which is I=0.1002C+0...
In this paper, we use the electronic tongue as a detection tool and Normal Pulse voltammetry (NPV) as the measuring principle to identify the sulfate-reducing bacteria and iron bacteria. The main task is to classify the two bacteria on the reference of broth culture medium. We adopted non-supervised (principal component analysis PCA) and supervised (partial least squares PLS and artificial neural...
Aiming at static state colorful image, human face was detected by combined complexion division technology with edge detection technology. Firstly, optional face areas were obtained by the area threshold value. Secondly, Gabor transform was employed to locating eyes from the optional face area. Finally, optional face areas were normalization by rotating, scale, and clip processing by using returned...
The principle on the electrochemical noise detected by using wavelet transform was described briefly. In the electrochemical noise measurements, there is always having noise more or less. If they are analyzed directly, the useful information and data can not be got from them, so they must be de-noised. Wavelet analysis has many advantages that other signal processing tools do not have, it can provide...
Heavy metals do great harm to human body. Usually it is concluded that Pb and Cd ion selective electrodes are not abele be used simultaneously because of international interference of Pb2+ and Cd2+ ion. In this paper, multiple linear regression analysis method is proposed for the determination of Pb2+ and Cd2+ ion based on the two ion selective electrodes. .Meanwhile, the regression equations of Pb...
Wavelet analysis has many advantages that other signal processing tools do not have, it can provide characteristics of the signal both in time domain and frequency domain, it has high resolution, and high resulting accuracy. As a result of these characteristics, this article attempts to adopt the appropriate Wavelet filtering method in de-noising the signal of AC impedance techniques of the signal...
An electronic tongue based on pulsed voltammetry was designed in this paper. It included five electrodes, three working electrodes (gold, glassy carbon, platinum), an Ag/AgCL reference electrode, and a platinum auxiliary electrode, and these were arranged in a standard three-electrode configuration, adopted Staircase Voltammetry (SCV) to recognize of sulfate-reducing bacteria and iron bacteria in...
Electronic tongue is a kind of intelligent equipment which is used to distinguish tastes. An electronic tongue made by a sensor array of ion-selective electrodes (ISE) has been developed and used for the qualitative analysis of five different kinds of mineral waters. The acquired original data has been optimized by independent component analysis (ICA) and linear discriminant analysis (LDA), and then...
This paper presents a method for preparing mercury ion selective thin film sensor. Pulsed laser deposition (PLD) technique was used to prepare thin film on the surface of light-addressable potentiometric sensor (LAPS). Material sensitive to mercury ion was synthesized by two-step solid phase reaction and as target of PLD. After LAPS was prepared, the target material was ablated by PLD and deposited...
This paper reports the detections of sulfate reduction bacteria (SRB) and iron bacteria in natural industrial cooling water by conductometric analysis method. Natural industrial cooling water, containing lots of microbes, is special and complex environment where microbes are suitable to grow and multiply under certain conditions of pH, water temperature and sunlight etc. If microbes of cooling water...
The wire drawing machine is a kind of highly automated metallica machine controlled by microcontroller, and it's used mainly in fabrication of wire in metal industry. Based on the analysis of the structure and theory of wire drawing machine, a doable design is discussed. A 32-bit ARM microprocessor and FPGA were used to be master controller and sub-controller respectively, and the automatic control...
Classification experiments are made with neural network algorithm and support vector machine method separately. The samples are divided into three groups and two kinds of support vector machines based on polynomial kernel and radial basis function are applied by changing the parameter values. The simulated results show that, as for the dataset with less training samples, using simple structure learning...
Microbial growth is a very complex non-linear system, so there is important engineering significance to study its growth model in holding back biofouling, eliminating biofouling and preventing corrosion. In this paper, a non-linear dynamic model of microbial growth was built based on the theories of the diffusion response of thermodynamics and the chemotactic response of biology. The model involves...
A new method to use edge-detection of inhibition zone is proposed. Color image was processed by translating into gray image, removing noise, threshold segment and extracted edge. Edge detection based on traditional method and three kinds of Cellular Automata (CA) methods are applied. The results show the superiority of morphological gradient method of CA.
Electronic tongue is a device which is used to classify different taste by multi-sensor. In this work, we had measured the production of chemical composition of five different mineral water by four kinds of selected ion array (sensitive to H+, Na+, Ca2+ and K+, respectively). Principal component analysis, a kind of multivariate data analysis was used to educing of total number of the sensors in the...
In allusion to the present heterotrophic bacteria colony counting method having the disadvantages of subjectivity, big error and low efficiency, we proposed a recognition method for heterotrophic bacteria colony based on SVM. After a series of pre-processing and segmentation to the acquired colony image, 6 feature parameters such as: area, perimeter, equivalent diameters of colony individual and non-colony...
The electronic tongue is a new measuring instrument, consist of the pattern recognition and an array of taste sensors which is used to examine the characteristics of liquid. Now it has a widely application in drink recognition. This article classifies three kinds of grape wine by the sensor arrays, first we use the principal components analytic method (PCA) to optimize the primitive sampled data,...
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