By Prof. Dr. G. Färber (auth.), Dr. Jürgen Valldorf, Wolfgang Gessner (eds.)
Since 1995 the yearly overseas discussion board on complicated Microsystems for automobile functions (AMAA) has been held in Berlin. the development bargains a special chance for microsystems part builders, approach providers and vehicle brands to teach and to debate competing technological techniques of microsystems dependent ideas in vehicles.
The e-book accompanying the development has validated to be an effective tool for the diffusion of latest suggestions and expertise effects. the current quantity together with the papers of the AMAA 2005 offers an outline at the cutting-edge and descriptions forthcoming and mid-term R&D views. The 2005 e-book displays – as long ago – the present kingdom of discussions inside of undefined. greater than the former courses, the AMAA 2005 "goes again" to the technological necessities and fundamental advancements for satisfying the marketplace wishes. the big a part of contributions facing sensors in addition to "sensor applied sciences and information fusion" is exemplary for this tendency.
In this context a paradigm shift could be acknowledged. some time past the improvement centred predominantly at the detection and processing of unmarried parameters originating from unmarried sensors. at the present time, the problem more and more is composed in getting info of advanced occasions with a sequence of variables from varied sensors and in comparing this data. shrewdpermanent built-in units utilizing the knowledge deriving from a number of the sensor assets should be in a position to describe and verify a site visitors scenario or behaviour a lot swifter and extra trustworthy than a individual could possibly do.
Additional info is obtainable on www.amaa.de
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Extra info for Advanced Microsystems for Automotive Applications 2005
The increasing complexity of future system components has led to research and development projects being addressed by teams representing (almost) the entire value and production chain from component/chip supplier to 1st tier and OEM. The establishment of increasing communication between all the partners involved has been one of the major accomplishments of the European automotive and MST industry. OEMs have undergone a tremendous learning process, when realising that for successful use and implementation of MST components and technology it is essential to be involved in the definition of acute requirements and future needs.
5. Data/sensor fusion concepts (based on NIRA Dynamics ) All signals are fed into a sensor integration unit, which merges the information from different sources and allows the computation of virtual sensor signals. g. a dashboard or overhead display. The possibility to compute virtual sensor signals allows assessing complex dimensions like oil quality or obstacle detection. Additionally, fault diagnosis / self test of the physical sensors can be improved. The reason for this being, that by using sensor fusion, analytical redundancy is introduced, which can be used to detect and isolate different sensor faults.
Exceptions are: Exhaust gas sensors (operated at between 280 and 450°C) Cylinder pressure sensors (operated up to 650°C), which however are assumed to remain irrelevant for market use due to the high price per sensor in any existing technology Differential pressure sensors for soot filters in diesel engines (sensor operated at around 280°C) – current systems place the sensor at a sufficient distance to the hot exhaust system reducing the pressure to implement new high temperature compatible systems.