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Method for identifying starting ability

An identification method and capability technology, applied in the start/stop control device, a computer program product of a method, in the field of start/stop control, capable of solving problems such as poor charging status of batteries

Active Publication Date: 2017-09-05
SEG AUTOMOTIVE GERMANY GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These faults on restarting can be caused, for example, by a poor state of charge of the battery

Method used

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  • Method for identifying starting ability
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  • Method for identifying starting ability

Examples

Experimental program
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Embodiment Construction

[0028] Input signal for the battery status recognition algorithm

[0029] exist figure 1 An example is shown in which the measuring points for the voltages required in the analytical method are plotted. Here, a battery 10 with a negative terminal 11 and a positive terminal 12 and a starter 13 with a terminal T30 are shown in detail. Battery voltage in U Batt Indicates that the voltage on terminal T30 is represented by U T30 express.

[0030] In the battery state recognition algorithm, the following voltage information of the entire system is used: the battery voltage U as the voltage measured between the positive and negative connection terminals of the battery 10 Batt , and the connection terminal voltage U T30 - ie the voltage measured between terminal T30 of the starter and the negative terminal 11 of the battery 10 . For the basic scheme, only the battery voltage U Batt sufficient to implement the algorithm. For the extended scheme, the T30 terminal voltage is also...

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Abstract

A method is provided for recognising the starting ability of a starter battery in connection with a start-stop controller of an internal combustion engine, in which in order to determine the charge state of the battery, different operating states of the internal combustion engine are taken into consideration, voltages of which are evaluated and no current measurement is required. The state of the battery is determined by means of an evaluation method which take takes place in three different operating states according to three different methods. Each different method is performed once when starting, driving and stopping the internal combustion engine.

Description

technical field [0001] The invention relates to a method for detecting the crankability of a starter battery, in particular in connection with a start / stop control of a start / stop operating mode of an internal combustion engine in a motor vehicle. In this case, the internal combustion engine is started by means of a starter fed by an electrical energy source, for example a starter battery. The invention also relates to a start / stop control device having a switching logic unit for a start / stop operating mode of an internal combustion engine in a motor vehicle, wherein the internal combustion engine can be started by means of a starter fed by a starter battery. Furthermore, the invention relates to a computer program product for implementing the method according to the invention. Background technique [0002] To detect the starting capability, it is necessary to detect the state of charge or the battery state of the starter battery as a whole and to derive from this whether t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/36
CPCG01R31/3647
Inventor G·尤瓦拉让F·森格布施J·A·德克鲁斯
Owner SEG AUTOMOTIVE GERMANY GMBH