Browsing by Keyword "Sensor network"
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Item A Bluetooth sensor network based on the IEEE 1451 standard: A sensor network solution to evaluate the wellbeing of the passenger and improve safety in cars(2010) Larrauri, Jesus Murgoitio; Larrinaga, Beñat Arejita; Lopez, Maider Larburu; Cubillo, Javier Sanchez; CCAM; POWERTRAIN; Tecnalia Research & InnovationThe use of sensors is very widespread in a lot of different environments and applications. Each situation needs a different solution and for that reason the use of a scalable and easily manageable sensor network is a must as applications are becoming increasingly complex. In many cases the perfect solution is the one based on a wireless sensor network; it provides flexibility, ease of management of the system and expandability. But in order to provide interoperability between different sensor manufacturers and to give a transparent and independent interface, the use of a standard is mandatory. This standard system is provided by the IEEE 1451 family of standard protocols. In this project a Bluetooth based sensor network has been implemented using the IEEE 1451 family of standard protocols. The goal of this network is to aid data acquisition from a number of sensors within a car, in order to monitor the wellbeing of the passengers and improve safety and comfort.Item Car driver monitoring by networking vital data(2008) Murgoitio, J.; Fernández, J. I.; CCAMAccording to the "Ambient Intelligence" concept (AmI), Tecnalia-Automoción is working on several new applications and one of them is an ECG sensor integrated with the steering wheel. A previously developed prototype of a sensorized active headrest which was designed to maintain desired horizontal and vertical safety distances to head is related to this work. Even though no continuous ECG signal could be acquired from the steering wheel because hands position is changing, nevertheless it would be possible to sample this information and find out how some particular parameters are changing during the driving activity, like those based on HRV (Heart Rate Variability). Then, Tecnalia-Automoción is designing a networked solution with smart sensors and actuators integrating the IEEE 1451 standard group, to be applied to the previously mentioned active headrest prototype and this ECG sensor.