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In this study, a demonstration of a wireless system based on Bluetooth developed for real-time monitoring of greenhouse environment was presented. System was consisted of a host computer, a serial port adapter and five wireless units. In each wireless unit, a PIC16F876 microcontroller as main processor and a CB-SPA331 Bluetooth module for wireless communication were used. The wireless unit was designed...
In previous work, we presented the development of a piezoelectric switch for applications in ultra-low power wireless sensor nodes for monitoring the health condition of chickens. Using Pb(Zr0.52, Ti0.48)O3 (PZT) thin films, we have developed "S"-shaped PZT cantilevers with proof masses. Since the resonant frequency of the PZT devices is around 24 Hz, we utilized superharmonic resonance...
This article presents the design of a wireless communication system, responding to the sensor concept applied to a scaled industrial process where temperature variables were used. The sensors are connected to the internet (IoT) to be monitored remotely from anywhere in the world. The sensor data is downloaded from the cloud using a graphical programming platform to control and communicate the system...
Temperature strongly affects the operation of integrated circuits, and its impact has been largely investigated on a device level. However, the impact of temperature variations on networks of multiple devices is far less understood and requires investigation. We aim to close this gap and analyse the impact of temperature fluctuations on low-power wireless sensor networks, a key enabling technology...
Survey operation to collect information about environmental parameters is an inevitable part in various cases. But manual data logging by human is dangerous in perilous places. This paper deals with design and implementation of a RF Controlled Robotic Environmental Survey Assistant System for remote survey operations, which can assist in remote data acquisition of environmental parameters like temperature,...
In this paper, a wireless monitoring system for three phase induction motor is realized using ZigBee protocol, where wired communication is either more expensive or impossible due to physical conditions and human hazards for safe and economic data communication in industrial fields. A low cost system for measuring the parameters of induction motor such as phase voltages, phase currents, active power,...
Embedded controlled sensor networks are used in various areas such as military, healthcare, environment, biological and other commercial applications. In recent years researchers have focused on energy consumption aspects of these networks. In this paper, we have proposed a low power embedded control sensor network using JN5148 microcontroller for monitoring the various applications like temperature...
Wireless multihop networks have attracted much attention due to their flexibility and connectivity possibilities. In this demonstration proposal a novel network architecture of opportunistic routing is introduced, based upon the cognitive networking concept which opportunistically utilize the network resources, including both spectrum and station availability. The proof-of-concept prototypes are developed...
Measuring the seismic activity of Venus is critical to understanding its composition and interior dynamics. Because Venus has an average surface temperature of 462 °C and the challenge of providing cooling to multiple seismometers, a high temperature, wireless sensor using a wide bandgap semiconductor is an attractive option. This paper presents progress towards a seismometer sensor with wireless...
In this paper, a wireless capacitive pressure sensor developed for the health monitoring of aircraft engines has been demonstrated. The sensing system is composed of a Clapp-type oscillator that operates at 131 MHz. The Clapp oscillator is fabricated on an alumina substrate and consists of a Cree SiC MESFET, thin film inductor, Compex chip capacitors and Sporian Microsystem capacitive pressure sensor...
This work describes the design and development of a radio spectrum analysis tool for monitoring the spectrum occupied by a wireless system operating in the unlicensed 2.4 GHz ISM frequency band. Based on the open GNU radio library, the tool makes use of a USRP (Universal Software Radio Peripheral) generic hardware. The design is scalable to other frequency bands for compatibility with other IEEE wireless...
This article builds a smart monitoring and control system for the household electric power usage. The system presents the complete picture of current usage and projected cost of home appliance in a graphical display. It uses wireless communication to monitor energy saving and safety use. This can provide the elder a safe and energy-saving environment and service for daily life. The system integrates...
This invited paper presents some novel ideas on how to enhance the performance of consensus algorithms in distributed wireless sensor networks, when communication costs are considered. Of particular interest are consensus algorithms that exploit the broadcast property of the wireless channel to boost the performance in terms of convergence speeds. To this end, we propose a novel clustering based consensus...
In this paper, the problem of forest fire is considered and a comprehensive system is proposed with the use of wireless sensor network for real-time forest fire detection. The wireless sensor network can give more accurate detection of forest fire danger rate over traditional monitoring approaches like lookout towers and satellite based monitoring. This proposed framework mainly describes the data...
The complexity of nodes in wireless sensor networks is an important variable that determines their size, cost, and functionality. When these factors are drastically minimized, new applications become possible in which nodes are not only truly ubiquitous in the environment, but also available in huge numbers. This article discusses concepts from neuroscience that will be useful in the miniaturization...
In the past couple of decades, there is rapid growth in terms of technology in the field of agriculture. Different monitoring and controlled systems are installed in order to increase the yield. The yield rate may deceases due to numerous factors. Disease is one of the key factors that cause the degradation of yield. So the developed monitoring system mainly focuses on predicting the start of germination...
Wireless Sensor Networks (WSNs) are networks composed of a number of sensor nodes that communicate wirelessly. WSNs are utilized over a wide range of applications. This paper looks at the WSNs from the applications point of view. A survey of some of the key-applications that utilize WSN nowadays, along with their specifications and capabilities, is briefly presented.
This work is devoted to the feasibility study of a wireless sensing system, mainly based on passive surface acoustic wave (SAW) sensors, for remote measurement of temperature aboard space platforms. The use of passive sensors is particularly attractive since they need no battery and are robust in extreme environments, as they contain no active electronic circuits. The main objective of this study...
In the last decade, the importance of Wireless Sensor and Actuator Networks has been increased continuously. As well as they have prominent deployment options, nowadays, they are also exploited in order for industrial systems to be controlled over wireless medium. In this study, a web-based user interface is developed for monitoring the environment using wireless sensor network infrastructure. The...
Remote health monitoring system has been an interesting topic recently among medical practitioners, engineers as well as IT professionals. However, the application of remote health monitoring system where doctor's can monitor patients' vital signs via web is practically new in Malaysia and other countries. Remote health monitoring system is beneficial to the patients and society where the implementation...
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