eHorizon: Now Your Vehicle Can See What is Around the Next Corner

Paper #:
  • 2017-01-1945

Published:
  • 2017-08-25
Abstract:
eHorizon (for electronic horizon) integrates topographical and digital map data with sensor data, namely GPS receivers, for predictive control of vehicle systems. The eHorizon solution constantly sends small data packages via the vehicles data network (CAN bus). These packages contain information about the stretch of road ahead as well as topographic information. With this information, the engine control unit, the transmission control device or the driver assistance systems can optimize their respective functions. When eHorizon is used in commercial vehicles a significant reduction in fuel consumption has been proven with several commercial vehicles OEs. The eHorizon has numerous possible applications. Based upon eHorizon's digital map data, the stretch of road ahead and its topography can be integrated in the strategy of the engine management. It is possible to reduce fuel consumption in various driving situations. A vehicle's electric energy management can also be improved with eHorizon. It will be possible to switch certain functions on or off, depending on the road up ahead. The shifting strategy can also be optimized using eHorizon data. The automatic transmission then recognizes a curve or incline directly ahead and, accordingly, waits to shift into a higher gear. In the future, eHorizon will be able to save location-related vehicle data and transfer it to a cloud. Here, the data from all vehicles is collated and made available for map updates. This allows more up-to-date and detailed information to be added to a digital map, and information can also be generated for routes that previously had incomplete map data. A further step in the development of the eHorizon is permanent connectivity with the cloud. The "dynamic eHorizon" receives updates based on data from other vehicles' sensors and from other sources in real time. This enables eHorizon to factor in dynamic changes to the route such as traffic jams, accidents, weather conditions, and other relevant information. eHorizon makes driving safer, more comfortable, and more efficient. In addition, it forms a basis for several new applications, from a connected power train through to automated driving. It is also an enabler for innovative and more efficient intelligent transportation systems.
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