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Power equipment vibration visualization using intelligent sensing method based on event-sensing principle
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作者 Mingzhe Zhao Xiaojun Shen +1 位作者 Lei Su Zihang Dong 《Global Energy Interconnection》 EI CSCD 2024年第2期228-240,共13页
Vibration measurements can be used to evaluate the operation status of power equipment and are widely applied in equipment quality inspection and fault identification.Event-sensing technology can sense the change in s... Vibration measurements can be used to evaluate the operation status of power equipment and are widely applied in equipment quality inspection and fault identification.Event-sensing technology can sense the change in surface light intensity caused by object vibration and provide a visual description of vibration behavior.Based on the analysis of the principle underlying the transformation of vibration behavior into event flow data by an event sensor,this paper proposes an algorithm to reconstruct event flow data into a relationship correlating vibration displacement and time to extract the amplitude-frequency characteristics of the vibration signal.A vibration measurement test platform is constructed,and feasibility and effectiveness tests are performed for the vibration motor and other power equipment.The results show that event-sensing technology can effectively perceive the surface vibration behavior of power and provide a wide dynamic range.Furthermore,the vibration measurement and visualization algorithm for power equipment constructed using this technology offers high measurement accuracy and efficiency.The results of this study provide a new noncontact and visual method for locating vibrations and performing amplitude-frequency analysis on power equipment. 展开更多
关键词 Power equipment Event sensing Non contact measurement Graphic display FEASIBILITY
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The Implementation of Graphic Display of FAS
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作者 Zhang Mandong Zhao Hongsheng Department of Mechanical Engineering, Taiyuan University of Technology, Taiyuan 030024, China 《Computer Aided Drafting,Design and Manufacturing》 2002年第1期18-23,共6页
The principle of the fire alarm system and the implementation techniques of its computer graphic display are presented. With the help of the designing thoughts and technology of OOP, a Fire Alarm System (FAS) has been... The principle of the fire alarm system and the implementation techniques of its computer graphic display are presented. With the help of the designing thoughts and technology of OOP, a Fire Alarm System (FAS) has been developed by using visual C++ language. The system has been put into use in many important buildings and has played an important role in monitoring and controlling the fire. 展开更多
关键词 fire alarm graphic display OOP visual C++
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Dynamic Demonstration of Ceramic Grain Growth in Three Dimensions
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作者 LIU Zong-xi 1, JI Guo-li 1, XIONG Zhao-xian 2, LI Hai -liang 1 (1. Department of Automation, Xiamen University, 2. Department of Materials Science and Engineering, Xiamen University, Xiamen 361005, China) 《厦门大学学报(自然科学版)》 CAS CSCD 北大核心 2002年第S1期292-293,共2页
Microstructural evolutions of ceramic grain growth we re dynamically demonstrated with 3D graphical display techniques. Based on the p rinciples of grain growth in ceramics, the data of coordination in different ato m... Microstructural evolutions of ceramic grain growth we re dynamically demonstrated with 3D graphical display techniques. Based on the p rinciples of grain growth in ceramics, the data of coordination in different ato ms were calculated with Monte-Carlo method at atomistic scale. Realistic images in three-dimension were displayed onto two-dimension monitor by projection, i llumination and atomization, using Visual C++ and OpenGL languages. Different small spheres were used to model different kind of atoms, which filled within a fictitious cube. The radius and coordination for different atoms were then determined according to corresponding ratios by using of perspective projec tion of OpenGL languages. The applications of illuminating, texturizing and at omization techniques enhanced greatly the stereo effect of images. 展开更多
关键词 D graphical display ceramic grain growth compu ter simulation
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