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Xiaoyong Xu, Jiquan Zhou
This paper gives a detailed analysis of the existing city shortest path algorithm[1], aiming at the high time complexity and can not represent the real situation of the problem of the existing city shortest path selection algorithm, and bases on the idea of Dijkstra algorithm, puts forwarda fast algorithm...
Yujie Cao
The current of three-phase asynchronous motor direct startup will reach 5-8 times of its rated current, causing the decrease of operation efficiency and its PFC, even great damage to the trailer system and the grid. Soft start technology can start as shockless and fluent as possible and then reach its...
Yong Xia, Min Lai
With the development of economy and technology, computer network plays in people's lives more and more important position, while security problems caused by the network more and more attention has been paid each year because of network security issues, such as hacking, virus infection economic losses...
Xiaohui Luo
In accordance with the big size and bulky volume and not easy to carry of ECG monito ring equipment limitations , a new portable ECG collecting equipment of real-time monitoring and low-cost was designed. Compared to the static ECG monitor , the new design has obvious advantages easy to cassy and fit...
Jincheng Cheng, Aimin Wang, Yan Ge
Aimed on the problems of control of the whole SMT production line, the technology of material management and control of the production preparation execution in SMT production line based on digital recognition is proposed. Firstly, the framework of this technology is constructed. Then the three key technologies,...
Thi hoai t Hu Vu, Jin Chun Song
During the process of improving train speed, carry capacity and quantity of cars for each train, the most technical challenging task for an engineer is dealing with the braking system. Besides using common braking technologies such as electric brakes, air brakes and eddy current brakes, we need to study...
Xiaomei Zhou
In recent years, urban construction sped up constantly,the exterior design of urban lighting system and building attached great importance in order to make the city more bright beautiful. Even if at night,lights are illuminated brilliantly, become city's scenery, moreover many buildings use the glass...
Peng Wang, Xingxin Li, Jinna Jia, Yaxiong Zhu
Fault diagnosis model is the core of virtual simulation and hardware-in-loop simulation training, which has become a hot spot in current research. Construction of the fault description model of the virtual simulation training and hardware-in-loop simulation training is an important theoretical support...
Biqing Li, Yan Li, Chongjun Yang, Shiyong Zheng
The design is based on ZigBee network communication module, which is mainly composed of power supply, master control, display, temperature acquisition, key control section, howler alarm and so on. It mainly uses ZigBee network to monitor the temperature value of collection point. The temperature is collected...
Shuang Liu, Changchun Yuan, Ting Xuan, Ziya Chen
Roof greening has a series of advantages to improve the urban ecological environment. The roof greening plants resistance to the environment research is one of the scholars research priorities. In the text, the research progress in the studies of roof greening plant resistance are analyzed. Found that...
Song Liu, Yi Liu, Hailong Yang, Yucong Zhou
High performance cluster need to consume lots of power. High power consumption is an important factor that restricts the development of system in both technical and economic ways. The power control technology has become a hot issue in the area of high performance computing systems and data center management....
Qian Zhang
Fires occurring in comparatively closed places like large shopping centers where evacuation is quite inconvenient make great loss, including casualties and destroys of materials. It not only makes people fall into panic, influencing their life, but results in a great economic loss. In the past few years,...