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In order to filter useful information from internet public opinion quickly, this paper proposes a mode of using double cloud architecture and optimizes clustering algorithm to monitor the massive network information in real time. In this way, the delay of the bandwidth limitation is reduced, and the locking speed of the effective information is accelerated, which ensures the real-time and effectiveness...
An emergency plan contains the constraints of resource and time. However, complexity and changeability of emergency environment could influence these constrains, leading to both time and resource lose. Aimed to meet the needs of executive time constraint, a model of plan adjustment for executive exception in emergency logistics distribution is proposed in this paper. Firstly, executive exceptions...
Finding a parking space in most metropolitan areas, especially during the rush hours, is difficult for drivers. The difficulty arises from not knowing where the available spaces may be at that time; even if known, many vehicles may pursue very limited parking spaces to cause serious traffic congestion. In this paper, we design and implement a prototype of Reservation-based Smart Parking System (RSPS)...
The supervision and administration of grains circulation is national key R&D program. As a booming technology, RFID gives full play to its advantages in this area. Especially the integration with wireless communication devices and sensors, RFID can fulfill the task from grains' purchasing, conveying, storing to product transaction. Considering the circulation's complication, it is stringent to...
Pervasive computing has been a hot point in researches for decades which integrates digital and physical devices in everyday life. The availability of key nodes which provide service is momentous. HA Cluster computing systems have become significantly practical for being server node. The availability of heartbeats, a main fault detection method, plays a momentous role in existing HA systems. However,...
Because the Vehicle Gasohol has the merit of low pollution and energy saving, it is extensively spread in recent years. This paper introduced the design scheme and implementation process of an accurate fuel delivery automation control system in an oil store-plant. A centralized control scheme is adopted in this system, where a C200HX series OMRON PLC works as its central controller, communicates with...
Spare provision under preventive maintenance can be an effective way to reduce operating costs. A joint strategy of stock provision and condition-based preventive maintenance is considered. Continuous review ordering policy (s,S) is combined with an inspection period for condition-based preventive maintenance. With a form (T,s,S), the joint strategy is evaluated by costs associated with maintenance...
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