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DC system has an important role in the operation of the substation. It is used for the operating of protection relays, control (DC 110V and 220V) and operating of Scadatel (DC 48V). During this time in Kentungan Substation, controlling and monitoring of the batteries are still done manually in a certain time period. This research is to design a system of Wireless Sensor Network to monitor the batteries...
Carbon monoxide (CO) is an odorless, tasteless and colorless gas in which it is difficult to be recognized by human beings. CO gas that enters the human body at a certain concentration has negative impact on health. A monitoring system which can recognize the amount of CO gas concentration, especially for the indoor is needed to cope with this problem. In this paper, monitoring system is designed...
Wireless sensor networks (WSN) face different security threats that disrupt the normal activities and degrade the performance of the networks. The wormhole attack is one of the most severe security attacks in WSN. In this paper, we analyze the effect of the wormhole attack in Optimized Link State routing (OLSR), which is a standard proactive routing protocol for WSN. A modified version of wormhole...
According to the characteristics of Jinggangshan geological disasters and the prevention of geological disasters in the status quo, a design has been developed in sensor technology as the foundation, using network transmission as the means of communication, geological disaster prevention management system with database, and spatial information technology as the core. The system realizes the disaster...
Hammer throw has a long-standing history in track and field, but unlike other events, hammer throw has not seen a new world record since 1986. One reason for this stagnation is the lack of scientifically based training. In this paper, we propose to establish scientifically described training targets and routes, which in turn require tools that can measure and quantify characteristics of effective...
This paper presents the deployment wireless sensor network for paddy field crop application. The system can monitor pH level and water level in the paddy field crop. The calibration and system design of the sensor nodes were discussed. The sensor nodes installed at the Titi Serong Paddy field Crop, Malaysia. The system uses wireless data transmission to enable farmers to monitor continuously the water...
The most recent Wireless Sensor Networks technologies can provide viable solutions to perform automatic monitoring of the water grid, and smart metering of water consumptions. However, sensor nodes located along water pipes cannot access power grid facilities, to get the necessary energy imposed by their working conditions. In this sense, it is of basic importance to design the network architecture...
The application of wireless sensor network for process monitoring of laser cutting process is a promising solution to address the problems in achieving good cutting performance. Wireless sensor network provide real time data monitoring flexibility, maintenance convenient, and easy to relocation for laser cutting process application. This paper presents the development of wireless sensor network for...
Wireless Sensor Networks are event based systems that consists of a collection of autonomous sensor nodes that are spatially distributed and cooperatively monitor physical and environmental conditions. When an event has been detected these sensor nodes become active in transmitting the information and the load becomes heavy, increasing the data traffic and this might lead to congestion that results...
Nowadays, almost all the countries are facing threats from terrorists and intruders from their border areas, challenging the internal security of the country in those areas. So many civilian and military applications require locating an intruder in a secured area. Target tracking, data processing and analysis play a major role in this type of applications. The proposed system is to develop a centralized...
In this paper, we briefly describe the wireless sensor network(WSN), and highlight the design of RF antenna with a gain based on nRF905 chip, then complete an intelligent greenhouse monitoring system for agricultural greenhouse temperature based on WSNs. Finally, we confirm the feasibility of the system design through some tests.
Wireless sensor network (WSN) technology is a new and modern technology that has already been implemented in a wide variety of scenarios and its applications are growing every day. In this paper we present a measurement campaign to obtain more accurate small-scale near ground channel model to feed realistic simulation for the forest environment monitoring and control using WSN technology. This may...
This paper studies a Navigation Marks Remote Monitoring and Control System (NMRMCS) based on Wireless Sensor Network (WSN) and Differential Global Positioning System (DGPS). We designed NMRMCS installed in mountain area using WSN and DGPS to increase the positioning precision of navigation marks. We tested communicating distance of nodes by measuring the signal strength both in open region and wooden...
The objective of YushanNet is to provide a reliable and robust system for hiker tracking in Yushan National Park, Taiwan. The aggregated information can help national parks to provide various services to tourists, and the collected hiking traces can provide more precise information to professional rescue teams if there are hikers lost in the mountains. YushanNet is a delay and disruption tolerant...
As the complexity of systems is rapidly growing, the designers are moving towards use system level design Languages (SLDL) such as SystemC and SpecC. In this paper we use SystemC and SpecC languages for modeling and simulation of wireless sensor networks (WSN). First we start on simple ECO model and add modular sections as increases as the complexity. In the next step, we add data encryption using...
This paper proposed a field signals monitoring system with wireless sensor network (WSN) which integrates a System on a Chip (SoC) platform and Zigbee wireless network technologies in precision agriculture. The designed system was constituted by three parts which include field-environment signals sensing units, Zigbee transceiver module and web-site unit. Firstly we used acquisition sensors for field...
This paper presents a distributed fermat-point range estimation strategy, which is important in the moving sensor localization applications. The fermat-point is defined as a point which minimizes the sum of distances from three sensors inside a triangle. This point is indeed at the trianglepsilas center of gravity. We solve the problems of large errors and poor performance in the bounding box algorithm...
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