Abstract
The wireless sensor network for rotating electrical machine is beneficial for both real time monitoring and diagnosis purposes. In this paper, our contribution is to realize a wireless sensor network node based on IEEE 802.11 for detecting the temperature value of electrical machine's rotating component (shaft). The IEEE 802.11 has been chosen for its low power, low cost and high flexibility. As for the choice of the temperature value, it is mainly due to the fact that it defines the rotating electrical machine's lifetime. The experimental result, illustrated in this paper, shows a temperature variation. This variation represents one of the signal fading effects of the transmitter rotation. First, the proposed network system design is presented. Then, the communication protocol, the software and hardware design based on the transmitting chip RN-171 (Roving Networks) used for the system are illustrated and finally, the experimental results of the proposed wireless sensor network node are investigated.