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In existing urban rail transit system, because of long construction period, train-ground communication system for different rail lines may use equipment from different manufacturer, that will bring challenges for management of metro company, even, it may result in emergency brake of train or traffic safety when a train is going across different lines. In this paper, we first study relevant demands...
SF6 gas-insulated electrical equipment has been widely used in high-voltage and extra-high voltage power system. The electrical equipment could generate partial discharge and local overheating because of the insulation faults, which further results in SF6 gas decompensating and finally generate several kinds of SF6 decomposition products. The SF6 decomposition products can be quantitatively detected...
With the rising growth trend of data size in the Internet era, storage, analysis, and processing of big data arebecomingamong the strongtopics in academia and industry. Typical big data processing platforms adopt the MapReduce programming model to perform application processing. For example, the deployment and calculation method of Hadoop are as follows: Hadoop first collects data and stores them...
The on-line monitoring system of the pollutant sources accomplishes the acquisition, processing, remote communication and control of all kinds of data. Based on the iCAN protocol and CAN232MB hardware interface, the field data acquisition subsystem collects, processes and summarizes the data which is acquired by the field detective equipment. In addition, CAN232MB can transmit the data to the field...
Modeling and anomalous early-warning of vehicle attitude is an important element of proactive safety management of transport vehicle. However, there are great many uncertain factors for a running vehicle, which causes the anomalous early-warning unable to be realized efficiently. In view of this problem, a driving cycle self-learning system is set up upon the analysis of the vehicle running traits...
Crofton weed, which was introduced to the southwest of China in the 1940s via the border between China and Burma, now has a seriously damaging effect on the biodiversity and the living environment in those regions, including Yunnan, Sichuan, Guizhou, Guangxi, Tibet, Chongqing, and Hubei. To help monitor this situation effectively, there have been many researches that utilize remote sensing images...
This paper presents the installation and field measurements of a prototype microhydro power (MHP) generation system based on an underwater turbine generator. The studied MHP system employs the energy of flowing water in the agricultural irrigation of one of the irrigation ditches of the Yunlin Farmland Irrigation Association, Taiwan. The irrigation ditches are basically used for distributing irrigation...
For the purpose of real-time video monitoring system for the major hazard installations for dangerous chemicals, the paper elaborates on the functional planning of the real-time video monitoring system for major hazard installations for dangerous chemicals by adhering to the principles including practicability, advancement, simplicity, extendibility and reliability. As indicated by the application...
For the energy consumption problem of wireless sensor networks, a mobile agent routing based on improved genetic algorithm (MARIGA) is proposed in this paper. This algorithm introduces a new crossover strategy and mutation operator to effectively control the premature stagnation in the convergence process. The simulation results indicate that the MARIGA algorithm can effectively improve the routing...
When confronted with their internal and environmental dynamics, various software systems increasingly require self-adaptation capabilities. The vision above requires the self-adaptation approach to tackle these challenges and some software systems have their own specific implementations. However, in this paper a general supporting framework is proposed for software systems to self-adapt with running...
In recent year, the number of the patients with neuromuscular dyskinesias is constantly increasing. Many patients can recover the function of the limbs muscle through rehabilitation training. However, it is important for doctor and patients to real-time monitor and evaluate the effect of the training and the condition of muscle. In this paper, a real-time rehabilitation training system with electromyography...
Trojan's attack behavior has become increasingly common and diversifiable. How to judge Trojan-like features of the softwares which the users download has become the problem that the users concern about. In this paper, we first capture the software's behavior and related parameters from our virtual software test bed, then a modeling method using Stochastic Petri Nets is proposed, which supports quantitative...
The monitoring about the changes of land use and cover and NPP in mining area is one of hot spots in the field of resources and environment. Combining with ground field survey data, the remote sensing image in different periods in mining area and the geographic information technology are used to study the changes of Land Use and Cover and NPP. The results show that the degree of the change of land...
A crude oil degrading strain SY1 was isolated from the soil contaminated by crude oil. The strain SY1 could utilize crude oil as the sole carbon source. The strain was identified as a member in Zoogloea species (Zoogloea sp. Strain SY1). After the domestication of SY1, the biodegradation rate of crude oilcan reach 41.3% under the condition of without the addition of inorganic nutrients. Based on the...
Using strain JM-1 producing biodemulsifier isolated from cold rolling plant emulsion wastewater as the starting strain, the optimum preparation conditions of the biodemulsifier were obtained by the experiment of carbon source, nitrogen source, trace element, and ratio of carbon to nitrogen. The concentration of the lipopeptide reached 1.62 g/L, which was 22.73% higher than un-optimized. The biodemulsifier...
The hydrogen gas sensor based on air-gap long period fiber grating (AG-LPG) with the coated Pd thin-film is experimentally demonstrated with the sensitivity of 0.165 nm/% and can detect the minimum concentration of 606.06 ppm.
This paper analyses the complexity of building railway safety comprehensive monitor system. An Open Integration Architecture of Railway Safety Comprehensive Monitor System (OIA/RSCMS) is proposed on the basis of study on this system building characteristic and present integration architecture. Qinghai-Tibet railway safety comprehensive monitor system is put forward to be built under the guidance of...
A novel on-line monitoring and fault diagnosis system of power transformer using basic principle of three ratio method based on DGA (Dissolved Gases Analysis) and PNN(Probabilistic Neural Networks) for engineering application is proposed. According to tested dissolved gases contents changing characteristic of transformer oils under different transformer working conditions, the five characteristics...
Water quality monitoring is a prerequisite for water pollution control. The rapid development of remote sensing technology will provide a new technical support. In this paper, with the study of the Weihe River in Shaanxi Province, RWQMS (Remote-sensing Water Quality Monitoring System V1.0) is designed and implemented based on SPOT-5 remote-sensing image and the system structure and key technologies...
This paper presents a new method for odor source localization using a Wireless Sensor Network (WSN) by means of collaboration with a mobile robot. The method has two steps: an initial estimation of the position of odor-source is obtained centrally by one robot and is based on particle filtering. It does not require any prior information about the position of the nodes. In the second stage, the nodes...
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