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Dive into the research topics where Holger Hummel is active.

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Featured researches published by Holger Hummel.


Archive | 2010

Method for operating range extender in electric vehicle e.g. electric car, involves activating range extender of vehicle in respective route section based on power requirement of electric vehicle with respect to travel route

Holger Hummel; Georg Mumelter


Archive | 2010

Method for controlling range-extender in electric vehicle, involves determining power rating according to required drive torque, where range-extender is controlled according to power rating

Holger Hummel; Florian Klein; Kraemer Gerd


Archive | 2011

Verfahren zur Regelung des Ladezustands eines elektrischen Energiespeichers

Ronny Hirsch; Holger Hummel; Georg Mumelter


Archive | 2010

Method for operating hybrid vehicle, involves providing partially or completely power required to ensure minimum speed by electric machine in some operating conditions

Holger Hummel; Dennis Paul; Jens Kastens; Thomas Hardtke


Archive | 2012

Method for Controlling the State of Charge of an Electrical Energy Store

Ronny Hirsch; Holger Hummel; Georg Mumelter


Archive | 2011

Method for regulating or controlling the charge state of an electrical energy accumulator of a hybrid vehicle

Holger Hummel


Archive | 2012

Electronic speed limiter for use in control circuit of electric car, has sensor determining inclination signal indicating inclination of route in vehicle longitudinal direction, where torque signal is determined based on inclination signal

Holger Hummel; Stefan Wahl


Archive | 2013

Method for determining operating point of range extender in electric car, involves selecting speed stage for operation of extender from discrete target rotation speed stages of electric machine in dependence of nominal output of extender

Yan Lu; Holger Hummel; Frank Brandel; Jens Kastens; Florian Klein; Christophe Martin


Archive | 2012

Bestimmen des Arbeitspunktes eines Range-Extenders in einem Elektrofahrzeug

Yan Lu; Holger Hummel; Frank Brandel; Jens Kastens; Florian Klein; Christophe Martin


Archive | 2010

Verfahren zur regelung des ladezustandes eines elektrischen energiespeichers

Holger Hummel; Georg Mumelter; Ronny Hirsch

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