Elektrifizierter Antriebsstrang Mehr Effizienz durch voraus-schauendes Energiemanagement

Engstle, Armin; Zinkl, Andreas; Angermaier, Anton; Schelter, W.

doi:10.1365/s35658-014-0405-9

Cited by 3 publications

(1 citation statement)

References 1 publication

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“…As a counter example, a detailed information about speed on the following road segments can be used for hybrid electric vehicles HEV to improve the operational strategy of the components. Engstle [5] com-bines OpenStreetMap (OSM) [20] navigation information, TMC, elevation data and vehicle state attributes to predict a speed profile using a mathematical model. Wollaeger [24] calculates fuel-reduced speed profiles by means of Dynamic Programming.…”

Section: Speed Profile Predictionmentioning

confidence: 99%

An approach for predicting vehicle velocity in combination with driver turns

Lohrer

Lienkamp

2016

Automot. Engine Technol.

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Statistical information such as average traffic flow on a road network link are not precise enough to enable detailed in-vehicle optimization strategies. Energy efficiency measures are further restricted if the vehicle is not aware of the destination of the trip. A modular and dynamic approach for predicting the vehicle speed in combination with driver turns is introduced. The objective is to adapt the vehicle components to the upcoming speed and state. The cloud-based approach foregoes the user-based selection of a route, trip destination or individual points of interest but is mainly based on historic speed profiles of different drivers. The concept provides a two-stage approach. The first stage is the prediction of upcoming turns and trip segments based on the historical features and the currently driven road segments. The second stage uses this information to predict the vehicle's speed.

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Section: Speed Profile Predictionmentioning

confidence: 99%

An approach for predicting vehicle velocity in combination with driver turns

Lohrer

Lienkamp

2016

Automot. Engine Technol.

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Low inertia centrifugal compressor wheels: Aerodynamic and mechanical design

Fischer

Seume

2016

2016 International Conference on Applied System Innovation (ICASI)

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A new centrifugal compressor impeller design approach is presented, focusing on electrically driven compressors for gasoline engine and fuel cell applications. The performance and mechanical integrity are evaluated based on numerical simulations. Additionally, the numerical model is applied to several variations of the diffuser and volute geometries, in order to evaluate stage characteristics for diffuser area ratios of 110% and 150%, volute area ratios from 60% to 90%, and diffuser pinch ratios from 60% to 80%. The preliminary performance results show the capability to achieve a flow range comparable to a larger state-of-the-art impeller, with minor penalties regarding stage efficiency and near surge operating stability. KeywordsCentrifugal compressor design, impeller design, low inertia, high flow, computational fluid dynamics Date

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Building representative velocity profiles using FastDTW and spectral clustering

Lohrer

Lienkamp

2015

2015 14th International Conference on ITS Telecommunications (ITST)

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Elektrifizierter Antriebsstrang Mehr Effizienz durch voraus-schauendes Energiemanagement

Cited by 3 publications

References 1 publication

An approach for predicting vehicle velocity in combination with driver turns

An approach for predicting vehicle velocity in combination with driver turns

Low inertia centrifugal compressor wheels: Aerodynamic and mechanical design

Building representative velocity profiles using FastDTW and spectral clustering

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