Klaus Bogenberger

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In this paper, an integrated approach combining offline precomputation of optimal candidate paths with online path retrieval and dynamic adaptation is proposed for a dynamic navigation system in a centralized system architecture. Based on a static traffic data file, a partially disjoint candidate path set is constructed prior to the trip using a heuristic(More)
During the last two years so-called free-floating Car Sharing Systems became very popular. These systems in comparison to the conventional Car Sharing Systems allow short one-way trips. Today, the spatial distribution of vehicles within free-floating Car Sharing Systems is either self-organized, which means it is only dependent on the customer's demand or(More)
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This paper proposes a nonlinear approach for designing traffic responsive and coordinated ramp control using a self adapting fuzzy system. The traffic responsive metering rate is determined every minute by an adaptive fuzzy logic algorithm. The coordination between multiple on-ramps is ensured by the integration of a common input into all ramp controllers(More)
This analysis focuses on an 18 km section of Autobahn 9 (A9) located between Munich and Nurnberg, Germany. This section of freeway not only has an extensive surveillance system, but also contains a variable speed limit and congestion level information system using variable message signs. Analysis focuses on the activation of a bottleneck that occurs in the(More)
In this paper, the performance of the well-known Generalized Adaptive Smoothing Method (GASM) as online traffic speed estimator with Floating Car Data (FCD) as single source of data is assessed. Therefore, the main challenges originating from the sparseness and delay in collecting FCD are addressed and a procedure using the GASM is proposed that allows(More)
Public Bike Sharing Systems provide a progressive option for urban mobility, not only for commuters but also for spontaneous users and tourists. Such systems are only reasonable, if the bikes are available where the users need them at a certain time though. In so-called free-floating systems as it's implemented in Munich, the user is allowed to rent and(More)
Although in the last years many models of Battery Electric Vehicles (BEVs) were launched into the market, electric mobility in the car sector is still no mass market. Beside other reasons one problem is the small range of BEVs. To overcome this fear of customers a sufficiently sized public charging infrastructure is necessary. Unfortunately, operating(More)