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Wind energy is one kind of purity, non-polluting, renewable new energy. Real-time monitoring wind power generation system is an important action bearing with steady operation of system and high efficiency exploiting wind power resources. A novel intelligent monitoring system plan for wind power generation based on wireless sensor networks is proposed in this paper, which employs many high technologies...
In this paper we propose a system architecture for telemonitoring system. The proposed architecture is not limited to only indoor environment. By employing a mobile phone that implements a personal server, the system also supports the monitoring of old people while away from home. In addition to the system architecture, we also propose the middleware architecture for the personal server and the cross-layer...
Carbon Monoxide (CO) poisoning is a seamless and dangerous problem in steel mill's hot-process areas where the dirty and hazardous environment offers unique challenges to any deployed gas detection system. Slow accumulation of the gas causes headaches, dizziness, nausea and confusion which are harmful for workers' safety and environmental protection. The gas detection solution needs to be wireless...
In the work, a kind of low power, multi-parameter composite fire detection node is designed, which can detect temperature, smoke concentration and CO gas concentration. And combining with the WSN (wireless sensor network), a real-time wireless fire monitoring system is established. This system is applied in fire detection of special circumstance represented by the ancient buildings. The hardware and...
Key management is one of the most important issues of any secure communication. With the increasing demand for the transmission security in wireless sensor networks (WSNs), it is urgent to introduce the secure and reliable key management scheme into the WSNs. In this paper, we proposed a hierarchical key management scheme to ensure the security of the network services and applications in WSNs. Comparing...
Sensor networks can be used to monitor and control pipeline infrastructures. This paper discusses and compares different sensor network architectures that can be used for monitoring underwater pipelines infrastructures. These architectures are underwater wired sensor networks, underwater acoustic wireless sensor networks, RF (Radio Frequency) wireless sensor networks, integrated wired/acoustic wireless...
Wireless Sensor Network is an emerging technology which can significantly reduce the cost and the time needed to monitor the conditions of civil structures. This work presents W-TREMORS, a new wireless sensing system for high-frequency distributed data acquisition. Our sensor network is based on the low-power and low-data rate standard IEEE 802.15.4, and we used inexpensive hardware. Nevertheless,...
With the appreciating of problems related to the environmental impact evaluation of human activities, wireless sensor networks (WSNs) are emerging as suitable monitoring systems for large geographical areas, fixing new challenges in many scientific areas such as computer science, wireless communication and energy harvesting. In recent years tubular permanent magnet linear generators (TPM-LiG) have...
Based on a wireless sensor network with fixed network structure applied to grain storage monitoring system, the thesis designs an effective awakening strategy in the case of the non-synchronous network nodes. It enhances one-time-wake-up-rate of nodes with low power consumption, which overcomes the disadvantage of the universal awakening strategy. Experiment results show that one-time-wake-up-rate...
Localization of sensor nodes is the foundation of all application of wireless sensor network. The article introduces the Centroid-based algorithm firstly. Based on this, it proposes an improved two-hop centroid-based algorithm which increases the precision and the degree of coverage. The new algorithm adds two-hop anchors' communication restrict to unknown node, which reduces the area of unknown node...
A smart Vehicle Speed Monitoring and Traffic Routing System (VSMTRS) is proposed using Wireless Sensor Networks to monitor and report about the speeding vehicles and also to regulate the traffic. The system is built up of wireless modules including Crossbow MicaZ mote MPR2400, a 2.4 GHz IEEE 802.15.4, Tiny Wireless Measurement System (TWMS), a data acquisition card MDA320CA and a base station MIB510...
In order to better meet the demand of monitoring indoor environmental quality in some applications, this paper presents a scheme of design and implementation of indoor environmental monitoring system based on JN5139 SOC. The system takes full advantages of ZigBee technology of JN5139 SOC chip in wireless sensor network design and implementation to realize the hardware design of wireless sensor nodes...
Electromagnetic interference in power plant is extremely complicated and there are many hidden trouble. The measure system in power plant based on Multicarrier(as OFDM, for example) technology was put forward. The system connected with communication and monitoring networks existed already, wireless sensor networks or carrier transmission on power line or fiber-optic is used in fully mechanized working...
Due to the overall complexity of wireless sensor networks, programming sensor networks poses considerable impediments and makes application development nontrivial. A middleware layer is a novel approach to glue together the operating systems, network stacks, and applications. In this paper, a new wireless sensor network middleware for collaborative object tracking has been proposed, which is consisted...
The information dissemination in Wireless Sensor Networks (WSN) is an important but complex and challenging problem. Designing suitable communication primitives for these systems is critical. One of these primitives is the publish/subscribe paradigm. The data-management task in Wireless Sensor Networks (WSN) should be performed such than limited resources like memory, processing and power are utilized...
To promote the information technology development of the enterprise, by means of wireless sensor network, the industrial monitoring system is designed and is suitable for industrial automation and process Automation network. The hardware and the software of the system are mainly introduced, and the test results are given Industrial wireless sensor network technology is a new communication technology...
By adding a wireless sensor network into a health monitoring system, I have found a method by using the combination of ZigBee and wireless LAN architecture to realize a remote medical monitoring system. The system's nodes and base stations use the short range communication standard: 802.15.4 / ZigBee standard. This system can collect various information from patients, achieving the remote medical...
In this article using ZigBee technology constructed the wireless sensor network (WSN) pressure monitoring system based on the CC2430 and NPI-15C-353AH pressure sensor, it also designed the wireless communication module and the data acquisition module of WSN nodes, as a result, it achieved a monitoring purpose which had low cost, low power consumption, high reliability and made system configuration...
In this paper, the technology of ZigBee based on wireless sensor network was adopted to carry out the real-time oxyhemoglobin saturation monitoring. C8051F340 was used to control UZ2400 as MCU(Micro Control Unit). Electricity was consumed less than 2mA when it worked and electricity was consumed less than 1μA when it slept. This system can prolong the life time of battery effectively. And the system...
Ambient Assisted Living is pushing the development of innovative wireless monitoring solutions. Most of the available solutions are based on well known wireless communication standards, such as Wi-Fi, Bluetooth or ZigBee. Moreover, there are also a few proprietary solutions, including those designed specifically for biomedical monitoring applications. The success of those solutions depends on many...
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