Testbed Environment for Wireless Sensor and Actuator Networks

Abstract

The Wireless Sensor and Actuator Networks (WSAN's), defines collaborative operations between the sensors and the actuators, enabling distributed sensing of a physical phenomenon. In this paper, an integrated testbed consisted of wireless sensor network, server station and robot system is proposed. Our main contribution is in the design and development of the server and actuator tier software modules and the communication protocols between them. We provide new applications where actuators are part of the network and perform actions based on the information gathered by sensors. We describe some test scenarios for the potential use of the system. We envision that WSANs will be an integral part of the systems such as battlefield surveillance, nuclear, biological or chemical attack detection, home automation, and environmental monitoring. Our platform offers reusability, modularity and simplicity to the user. Furthermore, it is designed with cheap and off-the-shelf components.

Information Collection System of Electrical Equipment

“…Therefore, coordinator node should have been in the active state, monitoring wireless data and serial interface on time, coordinator application framework is shown in Fig 3 [7]. (2) The design of temperature and humidity acquisition [6,8] This paper uses the SHT1x series temperature and humidity sensor, its temperature output have excellent linear, for making the sensor's digital output convert into physical data, need for data transform processing, after measurement, through the formula (1) sensor's digital output can convert into actual temperature. The output of SHT1x humidity sensor has certain nonlinear, after measure humidity, according to the current temperature, through the formula (2) calculates the relative humidity.…”

An energy aware design flow of distributed industrial wireless sensor and actuator networks

“…Therefore, each node is capable of having control over its own operation regardless of any central processing unit. Moreover, the potential of integrating actuators into the WSN has been proven in the literatures [17][18][19][20][21].…”