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Research on the Intelligent Science Theory of Oriental Thinking Based on Factor Driven
Cui Tie-jun, Li Sha-sha
Journal of Guangdong University of Technology. 2021, 38 (01): 1-4.
DOI: 10.12052/gdutxb.200123
The theory of artificial intelligence has become one of the key fields that all countries must contend for in order to safeguard their strategic interests. From the perspective of thinking, artificial intelligence understanding can be divided into Western thinking and Oriental thinking. The former is the mechanical reduction methodology of integration-separation-integration, and the latter is the philosophical thought of interconnection of all things. In the process of studying the theory of safety science and artificial intelligence, some problems are found worthy of study. The process from general domain technology to theory is from analysis to reasoning, from data to factors, from concrete science to philosophy. Artificial intelligence is thought to be factor driven rather than data driven. The thought of factor driven is very important in Chinese traditional philosophy, which accords with the characteristics of Oriental thinking and is also applicable to the basic theory of artificial intelligence. Therefore, the original basic theory of artificial intelligence in China is unique, and the opportunities are greater than the challenges. This fundamentally ensures that the Oriental thinking will win the game between the East and the West in the study of the basic theory of artificial intelligence.
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An Innovation of New Professional Farmers Cultivation Model Based on Extenics
Yuan Ping
Journal of Guangdong University of Technology. 2021, 38 (01): 5-12.
DOI: 10.12052/gdutxb.200093
“Thriving business” is the focus and the economic foundation of rural revitalization, and the premise of solving all rural problems. In order to solve the talent constraints caused by the shortage of high-quality farmers in rural vitalization, this study reviews the existing literature on the new professional farmers cultivation, conducts in-depth interviews with government staffs responsible for the cultivation of new professional farmers, and based on the literature review and interviews, forms the questionnaire of the supply and demand of the new professional farmers cultivation, clarifying the contradictory problems of cultivation scale and contents of new professional farmers through the questionnaire survey. Based on extension theory, this study establishes the extension model of contradictory problems, solves the contradictory problems through extension transformation, and finally forms a new professional farmers’ cultivation supply model. This study can effectively improve the cultivation efficiency of new professional farmers and promote the effective implementation of rural industry prosperity.
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Application of Extension Analysis and Decision: A Case Study of College Enrollment System
Gao Hong, Xi Chang-qing, Liu Wei
Journal of Guangdong University of Technology. 2021, 38 (01): 13-20.
DOI: 10.12052/gdutxb.200106
In the continuously developing economic and social environment, the popularity of higher education is increasing. The college entrance examination and the postgraduate entrance examination are important in the work of the higher education entrance examination. The establishment of scientific, comprehensive and objective evaluation system and decision model will contribute to the further optimization and improvement of college admission system. Extenics is used to quantitatively analyze college entrance examination and postgraduate enrollment and some improvements are proposed. As for the college entrance examination, from the perspective of students’ development, the correlation function is established, the correlation before and after the reform calculated, and the impact on students and the promotion effect of the college entrance examination reform on the development of students quantitatively analyzed. As for the postgraduate entrance examination, using the extension analytic hierarchy process and Delphi method, a decision-making model is established for the admission of transfer students to guide the admission.
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A Research on Management Mechanism of Disruptive Innovation Technology from the National Perspective Based on ST Theory
Liu Yi-xin, Feng Qian-qian, Zhang Guang-yu, Xu Ze-hao, Ou Chun-yao
Journal of Guangdong University of Technology. 2021, 38 (01): 21-31.
DOI: 10.12052/gdutxb.200115
Applying the theory of Sustainable Transformation (ST), and based on the national perspective, a management model centered on the whole process of disruptive technology evolution is built, taking the case of disruptive innovation management in representative developed economies as a case. After an in-depth analysis from the external evolution and endogenous evolution of disruptive technology, it is found that in the process of disruptive innovation in developed economies, disruptive innovation management mechanism plays a leading role, establishing an unconventional project operation mode, setting up specialized agencies and recruiting project managers, and constantly promoting the protection space of top-level design and construction of disruptive innovation, forming a disruptive innovation technology management mechanism. The above research provides a brand-new conceptual model for analyzing the evolution process of disruptive technology, providing theoretical support for the government to construct a disruptive innovation management mechanism. At the same time, it can deepen the understanding of the value of subversive innovation and its evolution law, and accelerate the development of disruptive innovation technology and provide decision-making reference for the government.
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A Study of the Thermal Comfort of Campus Public Space in Hot and Humid Areas in Sunny Winter
Gao Yun-fei, Yu Jia-ning, Liu Lin, Chen Guang, Lin Yao-guang, Chen Su-qing
Journal of Guangdong University of Technology. 2021, 38 (01): 39-45.
DOI: 10.12052/gdutxb.200098
In order to study the outdoor thermal comfort of campus in hot and humid area in winter, six common campus public spaces in Dongfeng Road campus of Guangdong University of Technology are selected as the research objects and divided into three space types: building surrounding, building side opening and garden. By measuring the environmental physical parameters and conducting the subjective questionnaire, the PET (Physiological Equivalent Temperature) is calculated by Rayman model and the neutral temperature of PET is 20.4 ℃ by regression analysis. The overall thermal comfort and thermal acceptability of the outdoor thermal environment of Guangzhou Campus in winter are high, in which the thermal feeling of the people in the surrounding space of the building and the thermal comfort voting show a linear relationship, while the other types of space show a quadratic polynomial relationship, which provides an optimization reference for the campus thermal environment in the hot and humid area in winter.
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A Research on Patterns Fault Prediction of Decentralized Discrete Event Systems
Lyu Shu-yuan, Liu Fu-chun, Zhao Rui, Deng Xiu-qin, Cui Hong-gang
Journal of Guangdong University of Technology. 2021, 38 (01): 54-63.
DOI: 10.12052/gdutxb.200054
In recent years, the research on fault prediction of discrete event systems has received considerable attention. In this research, the prediction of patterns fault for decentralized discrete event systems is investigated. Firstly, the notion of predictability of patterns fault for decentralized systems is defined and the patterns fault predictability of distributed discrete event systems formalized. By constructing a patterns fault recognizer, patterns fault is identified from all behaviors of the system, and the unobservable closure is constructed for different observation points of decentralized system. On this basis, the patterns fault prediction verifier is constructed by combining the events observed at each station, which solves the problem of patterns fault prediction of decentralized discrete event system. A sufficient and necessary condition for determining the predictability of the decentralized systems is obtained. The corresponding patterns fault prediction algorithm is proposed and implemented. Finally, the complexity analyses of the construction of the decentralized patterns fault prediction verifier and the patterns fault prediction algorithm are carried out.
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DPLORE: A Location Recommendation Algorithm for Differential Privacy Protection
Yang Da-sen
Journal of Guangdong University of Technology. 2021, 38 (01): 69-74.
DOI: 10.12052/gdutxb.200021
Sequential patterns in human beings movement play an important role in location recommendation of geosocial network services. The existing location recommendation system must access the user's original check-in location data in order to mine its sequence pattern, but this will disclose the user's location privacy. To solve this problem, a location recommendation algorithm based on differential privacy protection called DPLORE is proposed. Firstly, the transfer counting matrix is constructed based on the original data, and noise is added to the decomposed matrix elements by using Laplace mechanism, which makes the algorithm meet the differential privacy protection. Then, on the basis of Multi-Markov Chain model, an adaptive weight Nth-Markov Chain model, which uses the user's order pattern to recommend the location, is proposed. Finally, experiments show that the proposed algorithm framework DPLORE has better recommendation precision and recall rate than the existing algorithms, and DPLORE achieves a good trade-off between high recommendation precision and strict location privacy protection.
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Synthesis of pH-Responsive Star-Shaped Polymeric Micelles for Controlled Drug Delivery
Wen Wei-qiu, Guo Jian-wei
Journal of Guangdong University of Technology. 2021, 38 (01): 89-96.
DOI: 10.12052/gdutxb.200132
A four arm star-shaped pH responsive polymer adamantane-[poly(lactic-co -glycolic acid)-b -poly(N, N' -diethylaminoethyl methacrylate)-poly(ethylene glycol) monomethyl ether]4 was synthesized using adamantane as core. Self-assembly micelles of the synthesized polymer were prepared and the controlled release properties were further investigated. The results showed that the proportion of PDEAEMA had important effects on the properties of polymeric micelles, reflected by the fact that polymeric micelles with longer PDEAEMA segment had larger particle size, better drug loading capacity and higher cumulative drug release. Furthermore, the polymeric micelles had desired stability (CMC 0.0031 mg/mL), good pH-responsive function and high drug loading capacity (up to 24.8%). Under the simulated environment of tumor tissue (pH=5.0), the cumulative release of DOX-loaded micelles (85.2%) was significantly higher than those under the simulated environment of normal tissue (pH=7.4, 20.9%), indicative of the well-controlled release behavior of drug-loaded micelles. In conclusion, such pH-responsive polymeric micelles 4sAd-PLGA-D-P present great potential in the field of anticancer drug delivery.
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Heavy Mn-Doped Ca14 Zn6 Al10 O35 Phosphor and Its Near-Infrared II Light Emission
Liao Zi-feng, Zhao Wei-ren, Huang Hao, Song Jing-zhou
Journal of Guangdong University of Technology. 2021, 38 (01): 97-103,110.
DOI: 10.12052/gdutxb.200024
Aiming at exploring new phosphors with deep red or near infrared emission, Mn ion activated Ca14 Zn6 Al10 O35 phosphor was synthesized using high-temperature solid-state method in the air. The spectra of X-ray diffraction curves, reflection spectra, photoluminescence spectra, as well as photoluminescence decay curves, of the phosphors were measured. Both deep red and near infrared emission from Mn4+ and Mn5+ ions respectively, were observed. The emission of Mn5+ ion reaches a maximum when Mn ions substitutes 12.5 % Al site in Ca14 Zn6 Al10 O35 . Mn5+ ion shows an intense narrow band emission centering at 1157 nm due to its 1 E→3 A2 transition, with the lifetime 87.46 ms in Ca14 Zn6 Al8.75 Mn1.25 O35 . The temperature sensitivity of the near infrared emission reaches a maximum 0.0024 K-1 at 368 K. It is worth noticed that the energy transfer from Mn4+ to Mn5+ is observed, which extend the excitation band of Mn5+ widely and enable to excite the infrared emission of Mn5+ by the commercial InGaN blue chips. Moreover, the excitation and emission peaks locating at 650 nm and 1157 nm respectively are beneficial for real-time biological detection. Thus, we believe that the phosphor has great potential as a multi-functional infrared emission material.
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Application of Thermal Conductive Silica Gel/Phase Change Material Composite Components in Thermal Management of Batteries
He Lin, Ke Xiu-fang, Zhang Guo-qing, Li Xin-xi
Journal of Guangdong University of Technology. 2021, 38 (01): 104-110.
DOI: 10.12052/gdutxb.200017
The application of a low-temperature thermal conductive silica gel/phase change material composite module in the battery module can effectively solve the problem of phase change material precipitation due to liquefaction, while maintaining the high thermal conductivity and high latent heat value of phase change material. Due to certain elasticity and viscosity of heat-conducting silica gel sheet, the whole system has a certain buffering effect, which reduces the contact thermal resistance between phase-change material and battery, and further improves the heat dissipation performance of the whole system. At 3C discharge rate, the temperature of forced air cooling was 57.99 ℃ compared with 66.63 ℃ of natural cooling. The maximum temperature of PCM(Phase Change Material) cooling mode is 44.78 ℃ and the maximum temperature difference is 3.70 ℃. They were down 32.8 percent and 22.78 percent, respectively. In the 3C discharge rate cycle, the PCM cooling mode battery module has a temperature of 51.45 ℃ after three cycles, which is still within the safe temperature rang.
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