Continental Automotive Gmbh

Siemens Aktiengesellschaft

Continental Automotive Technologies Gmbh

Hans-Michael Graf

Martin Schramme

Andreas Aumer

Gregor Probst

Rainer Knorr

Manfred Frimberger

Thomas Klement

Wolfgang Weigert

Horst Gering

Reinhard Tendler

Oliver Friedrichsohn

Matthias Münch

Christian Trösch

A method for operating a battery sensor and a battery sensor, including a first and second battery sensor connections, load current connection, current measurement device for recording load current, and first and second measuring resistor elements. The first and second measuring resistor element series connected between the load current connection and the second battery sensor connection, a reference current circuit with at least one reference resistor. The reference resistor in contact with the first battery sensor connection and a contact point between the measuring resistor elements. The electrical resistance of the first resistor element determined by switching on the reference current and recording the voltage drops across the first and second measuring resistor element and the battery voltage, determining the reference current from the battery voltage quotient and electrical resistance of the reference resistor element, and determining the electrical resistance of the first resistor element from the recorded voltage drops.

Method for operating a battery sensor, and battery sensor

A method for determining a fault state of a battery, which method is based on a calculation of a differential conductance. An associated battery sensor and to an associated onboard power supply system is also disclosed.

Method for determining a fault state of a battery, a battery sensor and a vehicle onboard power supply system

The invention relates to a method for determining a load current, which is based on conducting a calibration current in a particular manner and on particular calculation methods.

Method for determining a load current and battery sensor

A method for determining the starting capability of an internal combustion engine of a motor vehicle, which can be started by an electric motor powered by a battery, including detecting first battery parameter values during a successful starting sequence of the internal combustion engine at a first time, detecting second battery parameter values at a second time following the first time, determining at the second time the expected battery voltage for a starting sequence of the internal combustion engine taking place at a third time based on the detected first and second battery parameter values, and comparing the battery voltage expected at the third time with a predetermined threshold value in order to derive therefrom the starting capability of the internal combustion engine.

Device and method for determining the starting capability of an internal combustion engine

The present invention relates to a device for measuring a battery current of a battery. The device has a measuring distance, over which the entire battery current to be measured flows during the measurement. A measuring device measures a voltage drop across the measuring distance. On the basis of the measured voltage drop and a resistance of the measuring distance, a current determining device determines the battery current, wherein the measuring distance is formed by at least part of a cable with a temperature-dependent resistor.

Device for measuring a battery current

An operating strategy for the components of the drive train is defined as a function of data which characterizes a route to be traveled along. Depending on the operating strategy and the route data, expected energy consumption and a time period for which the energy can be made available are calculated. If the time period is detected as being sufficient, the drive train is controlled in accordance with the operating strategy. If the calculated time period is detected as not being sufficient, an alternative operating strategy is defined and the resulting time period is checked again.

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Wuppertal, Germany

Hans-Michael Graf