室內(nèi)環(huán)境監(jiān)測系統(tǒng)外文文獻

1、華北科技學(xué)院畢業(yè)設(shè)計（外文翻譯）第 1 頁 共 18 頁Design and implementation of indoor environment fire alarm system based on Wireless Sensor NetworkAuthor: Xiu Wen Fu, Wenfeng Li, Lin Yang As a new network technology, wireless senso

2、r networks (WSN) are widely used in various emergency events because of their strong local cooperative sensing and the ability to interpret data from the environment. In this paper, we propose a fire alarm system called

3、firealarming system indoor environment (fasie), which innovatively integrates wireless fire alarm network with hand fire extinguishing rescue support system. Unlike traditional wireless sensor networks that implement fir

4、e networks, the fasie is able to fire into fire, including fire alarms, providing full range of services, firerescuing and Firefighter positioning. In order to explain Fahey better, we first give a general description of

5、 fasie and introduce the architecture of the system. Then, the hardware and system performance are introduced. Key words: Wireless Sensor Networks (WSN), indoor environment, fire alarm system, handheld fire res

6、cue support system 1 Introduction With the new manufacturing and integration technology, reduce the cost, the size of the wireless sensor, we have witnessed another revolution, is conducive to the cont

7、rol and observation of our life and the physical world, as the network technology to do, micro sensors connected to each individual and organization deeply embedded into the physical environment of information exchange n

8、etwork we can observe with the environment and in a loyal, previously not real-time human-computer interaction. As one of the most influential aspects of fire protection applications, public safety activities have also a

9、chieved significant benefits in the emergence of wireless sensor networks and their further development in [2]. In this paper, we propose a wireless fire alarm system fire alarm system for indoor environment (fasie) the

10、main contribution is the introduction of the wireless network and handheld fire alarm fire rescue fire alarm and rescue support system to provide comprehensive technical support. The rest of this article is org

11、anized as follows. Section 51.2 describes the state-of-the-art of existing fire alarm systems. In the 51.3 section, fasie is introduced from the point of view of system composition and function. The 51.4 section describe

12、s the fasie layered architecture. The 51.5 section introduces the key hardware of fasie. The 51.6 part analyzes the performance of fasie. Finally, conclusions and future work are presented in sect. 51.7. 華北科技學(xué)院

13、畢業(yè)設(shè)計（外文翻譯）第 3 頁 共 18 頁The fasie system consists of two component application architectures: a wireless fire alarm network and a handheld fire rescue support system. Wireless fire alarm networks are deployed by hundreds o

14、f wireless sensor nodes in buildings and other application scenarios. Since wireless sensor nodes have specialized applications in fire scenarios, each node is encapsulated in fire protection package. With WSN forest mon

15、itoring, the main applications of fasie are mainly focused on indoor environmental monitoring. Therefore, the node is equipped with two power modules (battery module and fixed power module). When the fire happens, the wi

16、reless fire alarm network can detect the fire at once and send out alarm information to the base station. In fasie, the base station is a small high-performance embedded system with two communication interfaces (such as

17、Wi-Fi and 3G), which can be deployed easily. When the base station receives the alarm information, the alarm information is forwarded to the monitoring platform through the Wi-Fi, and corresponding evacuation and call se

18、rvice decisions are made according to the received information. A key element of the handheld fire rescue support system in FASIE is unique features that can distinguish this system from other existing support systems fo

19、r fire protection. A handheld fire rescue system consists of two devices: a fire PDA and a wireless sensor node with a Bluetooth interface. Portable wireless sensor nodes can share information with PDA via Bluetooth inte

20、rface. Information (such as RSSI and LQI) is dynamically self organized. Through the indoor environment location algorithm, PDA can access the accurate location of fire fighters and notify the supervision platform throug

21、h the 3G network. In addition to indoor location services, the handheld fire rescue system also includes outdoor location services and health status monitoring. With the support of the GPS chip within the PDA, the PDA is

22、 able to access the exact location and can provide great help to fire equipment and crew scheduling. Because of the integration of multiple sensors for portable wireless sensor nodes, wireless sensor nodes are able to se

23、nse the ambient environment and monitor the physical parameters of the firefighters. Through the 3G network, the monitoring center can monitor the firefighter's health and surrounding conditions. When the fire fighte

24、rs are in danger, supervise the platform and organize rescue immediately. In addition, since the handheld firealarming system is a lightweight browser integration, firefighters can access remote databases through Web ser

25、vices.4 Tier Architecture In order to improve the versatility, flexibility and scalability of the system, the fasie design adopts a hierarchical architecture, followed by the open system interconnection referen