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A greenhouse monitoring system using hierarchical wireless sensor network (WSN) is presented in this paper. The main parameters required to monitor and control a greenhouse are air humidity and temperature, ground moisture and environment lightness. For the data gathering of these parameters, a hierarchical WSN is presented in this work. In this configuration, the sensors, aggregated with all gathering...
Aiming at the problem of management of mental patients in hospital, a patient positioning management system based on ZigBee technology is designed by adopting the RSSI positioning engine and trilateration method, which can realize to track and monitor the activities of mental patients in hospital by uploading the patient position data to the host computer monitor software for processing through the...
Paper proposes a kind of multiple environmental parameters monitoring system for granary that is based on ZigBee network and takes ARM controller as core. With regard to hardware, monitoring circuits for temperature, humidity, CO2 concentration and grain water content are designed. With regard to control program, fuzzy intelligent algorithm is designed and transplanted to ARM controller. The test...
The river pollution has become a prominently environmental problem to human survival. Thus it is in urgent demand for real-time monitoring of river water. However, traditional methods have some disadvantages such as complicated instrument, high cost and cumbersome operation. Herein, we developed wireless conductivity sensor, which forms a monitoring network system based on ZigBee. The node of the...
A remote monitoring system of piggery environment based on LoRa was designed in view of the shortcomings of the short distance, the complex network and the weak anti-interference ability of the wireless monitoring network in piggery environment. According to the requirements of data transmission distance and low power consumption, a wireless network based on LoRa technology was proposed; The SX1278...
In view of the shortcomings of traditional fault diagnosis system in accuracy, robustness and too complicated recognition algorithm, the distributed intelligent fault diagnosis system is presentation based on ZigBee technology and particle filter. Multi variable data's acquisition and centralized treatment is realized through the wireless sensor network, and the accurate estimation of the state of...
The sensor nodes estimation for a greenhouse monitoring system using hierarchical wireless sensor network (WSN) is presented in this paper. The hierarchical wireless sensor network analyzed in this paper is composed by sensor nodes at the lowest level, the router nodes in the middle level to transmit data from sensor nodes to a controller named coordinator node. The coordinator node, in the highest...
An intelligent wireless sensor network based on ZigBee technology with cognitive function is designed in this study. Sensors collect sensed data, include spectral parameters of 2.4G channels. These data are transmitted to coordinator by RF modules. ARM processor in the coordinator receives data. It gets the information of the idle channel and controls the channel conversion after the operation of...
This paper presents a water quality monitoring system using low power hardware based in the Internet of Things. Six sensor nodes for water quality monitoring in pisciculture are installed in three region of the Peruvian amazon. The sensor node is a modular hardware composed by control, communication and sensor module that measure parameters such as pH, conductivity and temperature. All data information...
Wireless sensor networks (WSNs) are strongly useful to monitor physical and environmental conditions to provide realtime information for improving environment quality. However, deploying a WSN in a physical environment faces several critical challenges such as high energy consumption, and data loss.In this work, we have proposed a reliable and efficient environmental monitoring system in ponds using...
One of the important factors that support the advance of agriculture system is the quality of the soil, which is used as a medium for growing the plant. The soil quality is a fertile soil and able to give a productive harvest. There are several environmental factors which influence the soil conditions, such as temperature, soil humidity, light, pH of the soil, etc. In this paper, we are designing...
Overhead and underground power line monitoring is an essential infrastructure for advanced operation in the smart grid. Wireless sensor networks are attractive to remote power line monitoring, due to their rare geography restrictions, simple engineering design, and flexible equipment expansion. Considering the ZigBee’s characteristic of low transmission rate, almost commercial sensors adopt the high-speed...
Composed by data acquisition unit, intelligent identification unit and regulating unit, intelligent circuit breaker (ICB) plays a critical role in intelligent substations, which cuts off the fault line in a quick and accurate way when fault occurs, to ensure the stable operation of intelligent substations. Temperature is the important characteristic embodying the operating status of ICB. Aiming at...
In order to solve the problems of complicated wiring, difficult maintenance and easy line corrosion in traditional greenhouse monitoring system, a greenhouse intelligent information monitoring system based on wireless sensor network was developed. In which ZigBee wireless sensors were used to collect field environmental parameters, such as indoor temperature, indoor humidity, light intensity, carbon...
The conventional method of testing water quality is to gather samples of water manually and send to the lab to test and analyze. This method is time consuming, wastage of man power, and not economical. The water quality measuring system that we have implemented checks the quality of water in real time through various sensors (one for each parameter: pH, conductivity, temperature) to measure the quality...
Internet of Things (IoT) can provide interconnection of things, which can promote the achievement of the remote human health monitoring. In this paper, a human health monitoring platform is designed and developed under the application framework of body sensor network of IoT. The platform can collect the physical information of user by constructing the human state acquisition system. And then the collected...
In recent years, the concept of the Internet of Things (IoT) has already been implemented in numerous application domains, such as smart city, intelligent healthcare assistant, and smart transportation management. Researchers or developers associated with these domains frequently require diverse types of IoT devices to implement or test their IoT related innovations. However, building an IoT-testbed...
In dissonance with the limitations of present substation monitoring system, this paper introduced a Zigbee based wireless network system in traditional online monitoring system and the wireless online monitoring system. This system is constituted by a Zigbee sensor network nodes.and a zigbee coordinator node. The sensor terminal nodes are comprised by different type of sensors and Zigbee wireless...
In internet of things (IT) environment, a sensor interface device is essential for data collection in wireless sensor network (WSN) system for water quality monitoring (WQM) as the water pollution is a critical issue globally. This paper presents the design of a WSN based reconfigurable smart sensor interface device for WQM system in an IoT environment. The system consists of Field Programmable Gate...
Nowadays, a lot of older people suffering from chronic diseases, such as diabetes, hypertension, heart disease and sleep apnea which require constant monitoring of certain health parameters of patients which sometimes, does not exist only in the hospital. This work presents a model design for observing with testing the vital signs of the patients depend on sensors and web services. A proposed monitoring...
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